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		edgraydallas
 
 
  Joined: 13 Jun 2008 Posts: 74 Location: Dallas, Tx
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				 Posted: Tue Feb 17, 2009 11:37 am    Post subject: Greenhouse construction | 
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				I haven't installed my lexan yet so still considering the various ideas on
 securing the lexan.  Is there a downside to installing 2 or 3 machine screws
 thru the lexan and the center rib to prevent the lexan pulling up in flight?
 Or if the CF 46 flange is deforming, why not add a rivet thru the top in one
 or two places?  As to securing the sides of the lexan to the butt ribs, I
 think an aluminum strip on the bottom of the rib cap inner side makes more
 sense.  Then, why use nutplates on the curved surface?  They are accessible,
 so why not use nylok nuts with the truss screws.  I can also see how an
 aluminum bracket could be installed on the center of the carry thru tube so
 that an additional camlock can be installed thru the turtledeck.
 
 Ed Gray KII building do not archive
 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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				 Posted: Tue Feb 17, 2009 1:10 pm    Post subject: Greenhouse construction | 
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				I don't see the need or the safety in attaching the skylight to the  
 center rib...that rib just isn't that well secured to anything to  
 consider it a structural member, in my opinion. As to CF 46...you  
 will have about 18-20 rivets (or machine screws in my case), through  
 that member unless the Model II instructions are drastically  
 different than the Model IV.
 
 If the concern is "nutplates on the curved surface", that surface is  
 not so curved that nutplates won't sit flat against it...or is that  
 not the concern?
 
 Maybe I just don't like changing windshields and that's why I went  
 against the lexan idea, and used an LP Aeroplastics formed  
 windshield, and anchor nuts. I've got a windshield that'll last a  
 very long time (knock on wood), but when I need to change, it'll be  
 an easy, one-handed job. Another factor...you mentioned using nylock  
 nuts....awfully hard to get to when you decide to cover the butt rib  
 area...not so accessible then.
 
 I use anchor nuts for convenience....spend some time now and  
 avoid...ever...to have to use two hands to get those nuts and bolts  
 to go together.
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 
 
 On Feb 17, 2009, at 2:36 PM, Ed Gray wrote:
 
  	  | Quote: | 	 		   
 
  I haven't installed my lexan yet so still considering the various  
  ideas on
  securing the lexan.  Is there a downside to installing 2 or 3  
  machine screws
  thru the lexan and the center rib to prevent the lexan pulling up  
  in flight?
  Or if the CF 46 flange is deforming, why not add a rivet thru the  
  top in one
  or two places?  As to securing the sides of the lexan to the butt  
  ribs, I
  think an aluminum strip on the bottom of the rib cap inner side  
  makes more
  sense.  Then, why use nutplates on the curved surface?  They are  
  accessible,
  so why not use nylok nuts with the truss screws.  I can also see  
  how an
  aluminum bracket could be installed on the center of the carry thru  
  tube so
  that an additional camlock can be installed thru the turtledeck.
 
  Ed Gray KII building
 
 | 	 
 
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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		Tom Jones
 
  
  Joined: 12 Mar 2006 Posts: 752 Location: Ellensburg, WA
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				 Posted: Tue Feb 17, 2009 3:41 pm    Post subject: Re: Greenhouse construction | 
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				 	  | Quote: | 	 		  | As to securing the sides of the lexan to the butt ribs, I think an aluminum strip on the bottom of the rib cap inner side makes more sense. | 	  
 
 Ed, the classic 4 manual calls for an aluminum strip 13/32 X .02 epoxied to the underside of the butt rib cap strip. 
 
  	  | Quote: | 	 		  | Then, why use nutplates on the curved surface? They are accessible, so why not use nylok nuts with the truss screws. I can also see how an aluminum bracket could be installed on the center of the carry thru tube so that an additional camlock can be installed thru the turtledeck. | 	  
 
 I used 632 screws and nylock nuts.  They are a pain in the butt to install and remove.  I could drill rivets out and replace much faster.  To access 
 the nylock nuts I did not cover the inside of the butt ribs.  I covered the bottom of it with fabric and the outside with lexan.  I can see into my wings while I'm flying.  Pictures attached.
 
 As for the angle and cam lock, I would not drill any holes in the spar carry through tube other than those indicated in the manual.
 
 For what its worth, the rib cap strips are just stapled and glued to the rib web.  There have been reports of the butt rib cap strip separating from the web due to the lift generated by the skylight.  The fix is to make some aluminum or stainless steel angles and install to butt rib and cap strip.
 
 Damit, wide post again.  What am I doing wrong?
 edited 2-18-09 to correct butt rib cap strip reinforcement for skylight rivets from stainless steel to aluminum.
 
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 _________________ Tom Jones
 
Classic IV
 
503 Rotax, 72 inch Two blade Warp
 
Ellensburg, WA
  Last edited by Tom Jones on Wed Feb 18, 2009 2:01 pm; edited 2 times in total | 
			 
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		lcfitt(at)sbcglobal.net Guest
 
 
 
 
 
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				 Posted: Tue Feb 17, 2009 3:41 pm    Post subject: Greenhouse construction | 
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				I like Lynn's answer here.  Although I didn't use the anchor nuts on my first airplane, I will on the second.  I remember all the anchor nuts I put on the engine baffling on the Lancair project to the owners minor objections.  I am sure that each annual, he will thank me under his breath for that one (at the time) perceived extravagance.
  
 For what it's worth.  I replaced the windshield once.  That is two pieces of Lexan in 900 hours over eight years and the third sheet was not due
 
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		patreilly43(at)hotmail.co Guest
 
 
 
 
 
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				 Posted: Tue Feb 17, 2009 4:49 pm    Post subject: Greenhouse construction | 
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				Ed C I have to agree with Lynn. On my Model 3 the center rib is definitely not a structual rib. I would be afraid to attach the lexan to it. And C as someone else mentioned rivets in the outside ribs are easier and faster than screws with nuts. I need to check mine to see if there is the stainless steel strip on the bottom side of the rib C similar to the ribs in the wing. I have my cabin top on already and I don't think there is the metal strip on the bottom of the rib. I am afraid my rivets are only through wood. Do you guys have the metal strip on the bottom side of the outside ribs?
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
 
 [quote] From: egraylaw(at)swbell.net
  To: kitfox-list(at)matronics.com
  Subject: RE: Greenhouse construction
  Date: Tue C 17 Feb 2009 13:36:45 -0600
  
  --> Kitfox-List message posted by: "Ed Gray" <egraylaw(at)swbell.net>
  
  I haven't installed my lexan yet so still considering the various ideas on
  securing the lexan. Is there a downside to installing 2 or 3 machine screws
  thru the lexan and the center rib to prevent the lexan pulling up in flight?
  Or if the CF 46 flange is deforming C why not add a rivet thru the top in one
  or two places? As to securing the sides of the lexan to the butt ribs C I
  think an aluminum strip on the bottom of the rib cap inner side makes more
  sense. Then C why use nutplates on the curved surface? They are accessible C
  so why not use nylok nuts with the truss screws. I can also see how an
  aluminum bracket could be installed on the center of the carry thru tube so
  that an additional camlock can be installed thru the turtledeck.
  
  Ed Gray KII building do not archive
  
  --
 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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				 Posted: Tue Feb 17, 2009 7:42 pm    Post subject: Greenhouse construction | 
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				I'm no structural engineer, or an engineer of any kind (I've got  
 enough problems without being burdened with the massive ego of an  
 engineer) except "seat of the pants" engineering, but I'll bet the  
 installation of anchor nuts, especially the long version...the  
 K1000's, not the MK1000's...will distribute the load just as good  
 (well?) as the stainless steel or aluminum strip that I've read about  
 here. How thick is this strip, and is it SS or aluminum?
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 
 
 On Feb 17, 2009, at 7:48 PM, patrick reilly wrote:
 
  	  | Quote: | 	 		   Ed, I have to agree with Lynn. On my Model 3 the center rib is  
  definitely not a structual rib. I would be afraid to attach the  
  lexan to it. And, as someone else mentioned rivets in the outside  
  ribs are easier and faster than screws with nuts. I need to check  
  mine to see if there is the stainless steel strip on the bottom  
  side of the rib, similar to the ribs in the wing. I have my cabin  
  top on already and I don't think there is the metal strip on the  
  bottom of the rib. I am afraid my rivets are only through wood. Do  
  you guys have the metal strip on the bottom side of the outside ribs?
 
  Pat Reilly
  Mod 3 582 Rebuild
  Rockford, IL
 
 
 | 	 
 
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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		Guy Buchanan
 
  
  Joined: 16 Jul 2006 Posts: 1204 Location: Ramona, CA
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				 Posted: Wed Feb 18, 2009 4:13 am    Post subject: Greenhouse construction | 
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				At 07:41 PM 2/17/2009, you wrote:
  	  | Quote: | 	 		  but I'll bet the
 installation of anchor nuts, especially the long version...the
 K1000's, not the MK1000's...will distribute the load just as good
 (well?) as the stainless steel or aluminum strip that I've read about
 here. How thick is this strip, and is it SS or aluminum?
 
 | 	  
 Lynn,
          I think the anchor nuts will distribute the loads as well as 
 the cap strip; and I are an engineer.   My cap strip is backed with 
 about .03" aluminum, as there's no way to drill it without busting it 
 out if it's full-hard stainless. However I used the aluminum backing 
 strip AND anchor nuts, so I can't say which is better. I suspect 
 lock-nuts and washers would be just fine, if you're willing to put up 
 with the installation difficulty.
 Guy Buchanan
 San Diego, CA
 K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
 
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 _________________ Guy Buchanan
 
Deceased K-IV 1200
 
A glider pilot too. | 
			 
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		Tom Jones
 
  
  Joined: 12 Mar 2006 Posts: 752 Location: Ellensburg, WA
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				 Posted: Wed Feb 18, 2009 6:42 am    Post subject: Re: Greenhouse construction | 
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				Lynn Mattison wrote:
  	  | Quote: | 	 		  I'm no structural engineer, or an engineer of any kind (I've got 
 enough problems without being burdened with the massive ego of an 
 engineer) except "seat of the pants" engineering, but I'll bet the 
 installation of anchor nuts, especially the long version...the 
 K1000's, not the MK1000's...will distribute the load just as good 
 (well?) as the stainless steel or aluminum strip that I've read about 
 here. How thick is this strip, and is it SS or aluminum?  | 	  
 
 Lynn, the backing strip for the skylight to butt ribs rivet reinforcement is 13/32 x .02 aluminum.  I was wrong about it being stainless in my earlier post.  I edited that post to correct my mistake.
 
 Pat Riley wrote:
  	  | Quote: | 	 		  | I have my cabin top on already and I don't think there is the metal strip on the bottom of the rib. I am afraid my rivets are only through wood.�Do you guys have the metal strip on the bottom side of the outside ribs?  | 	  
 
 Pat, see my note to Lynn above, the rivet reinforcement strip is aluminum.  I did not use that strip.  I attached the skylight to the butt ribs with 632 stainless screws, washers and nylock nuts instead of rivets.  I'll shut up now and quit confusing people.
 
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 _________________ Tom Jones
 
Classic IV
 
503 Rotax, 72 inch Two blade Warp
 
Ellensburg, WA
  Last edited by Tom Jones on Wed Feb 18, 2009 6:20 pm; edited 1 time in total | 
			 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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				 Posted: Wed Feb 18, 2009 12:05 pm    Post subject: Greenhouse construction | 
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				Yeah, I'd be worried about drilling stainless under those  
 conditions...it could just push it away from its...glued on 
 (?)...status, much the same as the drilling through the rib capstrips  
 where the flaperon hinges attach. As you say, it's just the PITA of  
 locknuts and washers that I try to avoid. I'd rather take a little  
 longer attaching anchor nuts once than to do the loose nuts and  
 washer thing ever.
 Regarding the engineer comment, sorry Guy, I was feeling a bit  
 aggravated toward an engineer friend. I'm sure I shared this gem with  
 you before  "You can always tell an engineer...but you can't tell him  
 much."  ...........one of my favorites.  
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 do not archive
 
 On Feb 18, 2009, at 7:11 AM, Guy Buchanan wrote:
 
  	  | Quote: | 	 		   
 
  At 07:41 PM 2/17/2009, you wrote:
 > but I'll bet the
 > installation of anchor nuts, especially the long version...the
 > K1000's, not the MK1000's...will distribute the load just as good
 > (well?) as the stainless steel or aluminum strip that I've read about
 > here. How thick is this strip, and is it SS or aluminum?
 
  Lynn,
          I think the anchor nuts will distribute the loads as well  
  as the cap strip; and I are an engineer.   My cap strip is backed  
  with about .03" aluminum, as there's no way to drill it without  
  busting it out if it's full-hard stainless. However I used the  
  aluminum backing strip AND anchor nuts, so I can't say which is  
  better. I suspect lock-nuts and washers would be just fine, if  
  you're willing to put up with the installation difficulty.
  Guy Buchanan
  San Diego, CA
  K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
 
 
 
 | 	 
 
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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				 Posted: Wed Feb 18, 2009 12:29 pm    Post subject: Greenhouse construction | 
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				Now you've got me to thinking, Tom, whether my butt ribs have this  
 backing under the capstrip, or if I only have it under my flaperon  
 hinge bracket locations on the ribs...I'll have to look, if I can see  
 in there. In either case, my installation has not given me any  
 problems, so I'm going to leave well enough alone.
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 
 
 On Feb 18, 2009, at 9:42 AM, Tom Jones wrote:
 
  	  | Quote: | 	 		   
 
  Lynn Mattison wrote:
 
 > I'm no structural engineer, or an engineer of any kind (I've got
 > enough problems without being burdened with the massive ego of an
 > engineer) except "seat of the pants" engineering, but I'll bet the
 > installation of anchor nuts, especially the long version...the
 > K1000's, not the MK1000's...will distribute the load just as good
 > (well?) as the stainless steel or aluminum strip that I've read about
 > here. How thick is this strip, and is it SS or aluminum?
  Lynn, the backing strip for the skylight to butt ribs rivet  
  reinforcement is 1/4 x .02 aluminum.  I was wrong about it being  
  stainless in my earlier post.  I edited that post to correct my  
  mistake.
 
  Pat Riley wrote:
 
 > I have my cabin top on already and I don't think there is the  
 > metal strip on the bottom of the rib. I am afraid my rivets are  
 > only through wood.�Do you guys have the metal strip on the  
 > bottom side of the outside ribs?
  Pat, see my note to Lynn above, the rivet reinforcement strip is  
  aluminum.  I did not use that strip.  I attached the skylight to  
  the butt ribs with 632 stainless screws, washers and nylock nuts  
  instead of rivets.  I'll shut up no and quit confusing people.
 
  --------
  Tom Jones
  Classic IV
  503 Rotax, 72 inch Two blade Warp
  Ellensburg, WA
 
 
  Read this topic online here:
 
  http://forums.matronics.com/viewtopic.php?p 30824#230824
 
 
 
 | 	 
 
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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		patreilly43(at)hotmail.co Guest
 
 
 
 
 
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				 Posted: Wed Feb 18, 2009 4:25 pm    Post subject: Greenhouse construction | 
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				Man Oh Man. I checked the bottom side of my butt ribs. There is no metal reinforcing strip on the bottom! I had to repair one wing tip. The last rib on the outside end of the wing had that metal reinforcing strip on the bottom of the rib to keep the rivets on the wing tip from pulling through. What the hell do I do now? Do I remove the fabric covering on the rib and bolt down the cabin top? Do I use sheet metal screws in the wood? Or are the rivets through the wood just fine. The plane flew for 200 hrs as originally build C no metal reinforcing strip on the underside. But C I don't know what type fasteners were used originally C as the windshield was not installed when I got it. I guess I better look at builders manual. It seems that there are an awful lot of different methods being used by you guys to attach that cabin top.
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
  
  	  | Quote: | 	 		   From: lynnmatt(at)jps.net
  Subject: Re: Re: Greenhouse construction
  Date: Wed C 18 Feb 2009 15:27:39 -0500
  To: kitfox-list(at)matronics.com
  
  --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>
  
  Now you've got me to thinking C Tom C whether my butt ribs have this 
  backing under the capstrip C or if I only have it under my flaperon 
  hinge bracket locations on the ribs...I'll have to look C if I can see 
  in there. In either case C my installation has not given me any 
  problems C so I'm going to leave well enough alone.
  
  Lynn Matteson
  Kitfox IV Speedster C taildragger
  Jabiru 2200 C #2062 C 605 hrs
  Sensenich 62x46
  Electroair direct-fire ignition system
  New skis done and flying
  
  
  
  
  On Feb 18 C 2009 C at 9:42 AM C Tom Jones wrote:
  
  > --> Kitfox-List message posted by: "Tom Jones" <nahsikhs(at)elltel.net>
  >
  > Lynn Mattison wrote:
  >
  >> I'm no structural engineer C or an engineer of any kind (I've got
  >> enough problems without being burdened with the massive ego of an
  >> engineer) except "seat of the pants" engineering C but I'll bet the
  >> installation of anchor nuts C especially the long version...the
  >> K1000's C not the MK1000's..will distribute the load just as good
  >> (well?) as the stainless steel or aluminum strip that I've read about
  >> here. How thick is this strip C and is it SS or aluminum?
  >
  >
  > Lynn C the backing strip for the skylight to butt ribs rivet 
  > reinforcement is 1/4 x .02 aluminum. I was wrong about it being 
  > stainless in my earlier post. I edited that post to correct my 
  > mistake.
  >
  > Pat Riley wrote:
  >
  >> I have my cabin top on already and I don't think there is the 
  >> metal strip on the bottom of the rib. I am afraid my rivets are 
  >> only through wood.�Do you guys have the metal strip on the 
  >> bottom side of the outside ribs?
  >
  >
  > Pat C see my note to Lynn above C the rivet reinforcement strip is 
  > aluminum. I did not use that strip. I attached the skylight to 
  > the butt ribs with 632 stainless screws C washers and nylock nuts 
  > instead of rivets. I'll shut up no and quit confusing people.
  >
  > --------
  > Tom Jones
  > Classic IV
  > 503 Rotax C 72 inch Two blade Warp
  > Ellensburg C WA
  >
  >
  >
  >
  > Read this topic online here:
  >
  > http://forums.matronics.com/viewtopic.php?p=230824#230824
  >
  >
  >
  >
  >
  >
  >
  >
  >
  >
  
  
  
 ==========
 | 	  
 [quote] 
  
  
   
 
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		patreilly43(at)hotmail.co Guest
 
 
 
 
 
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				 Posted: Wed Feb 18, 2009 4:44 pm    Post subject: Greenhouse construction | 
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				Tom C Never shut up. And C you aren't confusing anyone. The strip in the last outboard rib on me plane was steel of some sort. But C these are experimentals C no 2 the same.
  Do not archive
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
  
  	  | Quote: | 	 		   Subject: Re: Greenhouse construction
  From: nahsikhs(at)elltel.net
  Date: Wed C 18 Feb 2009 06:42:48 -0800
  To: kitfox-list(at)matronics.com
  
  --> Kitfox-List message posted by: "Tom Jones" <nahsikhs(at)elltel.net>
  
  Lynn Mattison wrote:
  
  > I'm no structural engineer C or an engineer of any kind (I've got 
  > enough problems without being burdened with the massive ego of an 
  > engineer) except "seat of the pants" engineering C but I'll bet the 
  > installation of anchor nuts C especially the long version...the 
  > K1000's C not the MK1000's..will distribute the load just as good 
  > (well?) as the stainless steel or aluminum strip that I've read about 
  > here. How thick is this strip C and is it SS or aluminum? 
  
  
  Lynn C the backing strip for the skylight to butt ribs rivet reinforcement is 1/4 x .02 aluminum. I was wrong about it being stainless in my earlier post. I edited that post to correct my mistake.
  
  Pat Riley wrote:
  
  > I have my cabin top on already and I don't think there is the metal strip on the bottom of the rib. I am afraid my rivets are only through wood.�Do you guys have the metal strip on the bottom side of the outside ribs? 
  
  
  Pat C see my note to Lynn above C the rivet reinforcement strip is aluminum. I did not use that strip. I attached the skylight to the butt ribs with 632 stainless screws C washers and nylock nuts instead of rivets. I'll shut up no and quit confusing people.
  
  --------
  Tom Jones
  Classic IV
  503 Rotax C 72 inch Two blade Warp
  Ellensburg C WA
  
  
  
  
  Read this topic online here:
  
  http://forums.matronics.com/viewtopic.php?p=230824#230824
  
 ======================
 | 	  
 >======
 [quote] 
  
  
   
 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
  | 
		
			
				 Posted: Wed Feb 18, 2009 5:33 pm    Post subject: Greenhouse construction | 
				     | 
			 
			
				
  | 
			 
			
				That metal reinforcing strip is only good in the area near where the  
 rivets go through it, and a little distance beyond. So the rivets, if  
 you choose to use them with a large-area...relatively  
 speaking...washer, they should serve roughly the same purpose. Of  
 course, the addition of the metal angles added to the rib/capstrip  
 junction sounds like a good idea. I can't remember whether I did this  
 or not. If I didn't, it sounds like it is unnecessary, as I've been  
 tossed about a little bit in mine and no apparent damage done.
 
 I would never use metal screws into the wood...maybe only to get home  
 in an emergency.
 
 Well, being as how the builder's manual that I have calls for  
 drilling and cleco'ing the skylight, and doesn't mention doing any  
 attaching beyond that, I'd say they think the cleco's will hold it  
 on! Keep in mind that I have the Model IV manual and yours may  
 actually tell you how to finish up the job. Kidding aside, it all   
 depends on a few factors...what is the Vne of your plane, and how  
 hard will you fly it? How many violent storms or weather will you fly  
 in? Will the plane see turbulence? Of course, none of us know these  
 answers..most of them anyway, so we try to follow the manual or later  
 service bulletins, or call those building the plane now...John  
 McBean....and see if any new methods have come into existence.
 
 When I installed my wing tips, I ordered the "removable wing tip kit"  
 consisting of...what else?....Aluminum strips, K1000 anchor nuts and  
 machine screws to attach the tips after the anchor-nutted strips were  
 flush-riveted in place. More work? You bet, but once done, it's done  
 right, and they can be removed with one hand, a screwdriver, and no  
 drill.
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 
 
 On Feb 18, 2009, at 7:23 PM, patrick reilly wrote:
 
  	  | Quote: | 	 		   Man Oh Man. I checked the bottom side of my butt ribs. There is no  
  metal reinforcing strip on the bottom! I had to repair one wing  
  tip. The last rib on the outside end of the wing had that metal  
  reinforcing strip on the bottom of the rib to keep the rivets on  
  the wing tip from pulling through. What the hell do I do now? Do I  
  remove the fabric covering on the rib and bolt down the cabin top?  
  Do I use sheet metal screws in the wood? Or are the rivets through  
  the wood just fine. The plane flew for 200 hrs as originally build,  
  no metal reinforcing strip on the underside. But, I don't know what  
  type fasteners were used originally, as the windshield was not  
  installed when I got it. I guess I better look at builders manual.  
  It seems that there are an awful lot of different methods being  
  used by you guys to attach that cabin top.
 
  Pat Reilly
  Mod 3 582 Rebuild
  Rockford, IL
 
 | 	 
 
 
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Kitfox IV-Jabiru 2200
 
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		patreilly43(at)hotmail.co Guest
 
 
 
 
 
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				 Posted: Wed Feb 18, 2009 5:46 pm    Post subject: Greenhouse construction | 
				     | 
			 
			
				
  | 
			 
			
				Lynn C Agreed C sheetmetal or wood screws into the wood C I wasn't considering. I believe someone said thats what they had though. At this point I am leaning towards aluminum pop rivets with an aluminum washer on the bottom side.
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
  
 [quote] From: lynnmatt(at)jps.net
  Subject: Re: Re: Greenhouse construction
  Date: Wed C 18 Feb 2009 20:30:51 -0500
  To: kitfox-list(at)matronics.com
  
  --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>
  
  That metal reinforcing strip is only good in the area near where the 
  rivets go through it C and a little distance beyond. So the rivets C if 
  you choose to use them with a large-area...relatively 
  speaking...washer C they should serve roughly the same purpose. Of 
  course C the addition of the metal angles added to the rib/capstrip 
  junction sounds like a good idea. I can't remember whether I did this 
  or not. If I didn't C it sounds like it is unnecessary C as I've been 
  tossed about a little bit in mine and no apparent damage done.
  
  I would never use metal screws into the wood...maybe only to get home 
  in an emergency.
  
  Well C being as how the builder's manual that I have calls for 
  drilling and cleco'ing the skylight C and doesn't mention doing any 
  attaching beyond that C I'd say they think the cleco's will hold it 
  on! Keep in mind that I have the Model IV manual and yours may 
  actually tell you how to finish up the job. Kidding aside C it all 
  depends on a few factors...what is the Vne of your plane C and how 
  hard will you fly it? How many violent storms or weather will you fly 
  in? Will the plane see turbulence? Of course C none of us know these 
  answers..most of them anyway C so we try to follow the manual or later 
  service bulletins C or call those building the plane now...John 
  McBean....and see if any new methods have come into existence.
  
  When I installed my wing tips C I ordered the "removable wing tip kit" 
  consisting of...what else?....Aluminum strips C K1000 anchor nuts and 
  machine screws to attach the tips after the anchor-nutted strips were 
  flush-riveted in place. More work? You bet C but once done C it's done 
  right C and they can be removed with one hand C a screwdriver C and no 
  drill.
  
  Lynn Matteson
  Kitfox IV Speedster C taildragger
  Jabiru 2200 C #2062 C 605 hrs
  Sensenich 62x46
  Electroair direct-fire ignition system
  New skis done and flying
  
  
  
  
  On Feb 18 C 2009 C at 7:23 PM C patrick reilly wrote:
  
  > Man Oh Man. I checked the bottom side of my butt ribs. There is no 
  > metal reinforcing strip on the bottom! I had to repair one wing 
  > tip. The last rib on the outside end of the wing had that metal 
  > reinforcing strip on the bottom of the rib to keep the rivets on 
  > the wing tip from pulling through. What the hell do I do now? Do I 
  > remove the fabric covering on the rib and bolt down the cabin top? 
  > Do I use sheet metal screws in the wood? Or are the rivets through 
  > the wood just fine. The plane flew for 200 hrs as originally build C 
  > no metal reinforcing strip on the underside. But C I don't know what 
  > type fasteners were used originally C as the windshield was not 
  > installed when I got it. I guess I better look at builders manual. 
  > It seems that there are an awful lot of different methods being 
  > used by you guys to attach that cabin top.
  >
  > Pat Reilly
  > Mod 3 582 Rebuild[b]>===
  
  
  
   
 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
  | 
		
			
				 Posted: Wed Feb 18, 2009 6:04 pm    Post subject: Greenhouse construction | 
				     | 
			 
			
				
  | 
			 
			
				Probably a good plan, Pat...maybe even steel washers underneath, just  
 to keep a flat surface contact instead of a possible dished one.  
 Important to get a good diametral fit to the rivet, though, with  
 either. Another thing to consider...aluminum mandrels, or steel?  
 Maybe a knowledgeable engineer might offer some help here. : ) An  
 aluminum mandrel might not allow enough squeeze before popping, while  
 a steel mandrel might squeeze too much.
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 
 
 On Feb 18, 2009, at 8:44 PM, patrick reilly wrote:
 
  	  | Quote: | 	 		   Lynn, Agreed, sheetmetal or wood screws into the wood, I wasn't  
  considering. I believe someone said thats what they had though. At  
  this point I am leaning towards aluminum pop rivets with an  
  aluminum washer on the bottom side.
 
  Pat Reilly
  Mod 3 582 Rebuild
  Rockford, IL
 
 
  > From: lynnmatt(at)jps.net
  > Subject: Re: Re: Greenhouse construction
  > Date: Wed, 18 Feb 2009 20:30:51 -0500
  > To: kitfox-list(at)matronics.com
  >
  > 
  >
  > That metal reinforcing strip is only good in the area near where the
  > rivets go through it, and a little distance beyond. So the  
  rivets, if
  > you choose to use them with a large-area...relatively
  > speaking...washer, they should serve roughly the same purpose. Of
  > course, the addition of the metal angles added to the rib/capstrip
  > junction sounds like a good idea. I can't remember whether I did  
  this
  > or not. If I didn't, it sounds like it is unnecessary, as I've been
  > tossed about a little bit in mine and no apparent damage done.
  >
  > I would never use metal screws into the wood...maybe only to get  
  home
  > in an emergency.
  >
  > Well, being as how the builder's manual that I have calls for
  > drilling and cleco'ing the skylight, and doesn't mention doing any
  > attaching beyond that, I'd say they think the cleco's will hold it
  > on! Keep in mind that I have the Model IV manual and yours may
  > actually tell you how to finish up the job. Kidding aside, it all
  > depends on a few factors...what is the Vne of your plane, and how
  > hard will you fly it? How many violent storms or weather will you  
  fly
  > in? Will the plane see turbulence? Of course, none of us know these
  > answers..most of them anyway, so we try to follow the manual or  
  later
  > service bulletins, or call those building the plane now...John
  > McBean....and see if any new methods have come into existence.
  >
  > When I installed my wing tips, I ordered the "removable wing tip  
  kit"
  > consisting of...what else?....Aluminum strips, K1000 anchor nuts and
  > machine screws to attach the tips after the anchor-nutted strips  
  were
  > flush-riveted in place. More work? You bet, but once done, it's done
  > right, and they can be removed with one hand, a screwdriver, and no
  > drill.
  >
  > Lynn Matteson
  > Kitfox IV Speedster, taildragger
  > Jabiru 2200, #2062, 605 hrs
  > Sensenich 62x46
  > Electroair direct-fire ignition system
  > New skis done and flying
  >
  >
  >
  >
  > On Feb 18, 2009, at 7:23 PM, patrick reilly wrote:
  >
  > > Man Oh Man. I checked the bottom side of my butt ribs. There is no
  > > metal reinforcing strip on the bottom! I had to repair one wing
  > > tip. The last rib on the outside end of the wing had that metal
  > > reinforcing strip on the bottom of the rib to keep the rivets on
  > > the wing tip from pulling through. What the hell do I do now? Do I
  > > remove the fabric covering on the rib and bolt down the cabin top?
  > > Do I use sheet metal screws in the wood? Or are the rivets through
  > > the wood just fine. The plane flew for 200 hrs as originally  
  build,
  > > no metal reinforcing strip on the underside. But, I don't know  
  what
  > > type fasteners were used originally, as the windshield was not
  > > installed when I got it. I guess I better look at builders manual.
  > > It seems that there are an awful lot of different methods being
  > > used by you guys to attach that cabin top.
  > >
  > > Pat Reilly
  > > Mod 3 582 Rebuild>===
  >
  >
  >
  ============================================================ _- 
  ============================================================ _- 
  contribution_- 
  ============================================================
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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		patreilly43(at)hotmail.co Guest
 
 
 
 
 
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				 Posted: Wed Feb 18, 2009 8:39 pm    Post subject: Greenhouse construction | 
				     | 
			 
			
				
  | 
			 
			
				Hey Guys C One thing I am doing that no one else is doing. You all have the heads of your screws or rivets bearing on the Lexan. I am using a 1/16th" x 3/4" wide strip of aluminum on top of the Lexan drilled out for the row of rivets front to back on the ribs and cross wise above the spar carry through tubes. I didn't do it C but if I was to do it again C I would put some sort of rubber tape on the bottom side of the aluminum strip to cushion it slightly. I don't know it just looked like a good way to spread the holding force of the rivets over a large area of the Lexan to me. I really don't like a bolt or rivet head bearing on a piece of plexi C even with a fender washer. I did the same thing on the plexi observation doors that I made.
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
  
   From: patreilly43(at)hotmail.com
 To: kitfox-list(at)matronics.com
 Subject: RE: Re: Greenhouse construction
 Date: Thu C 19 Feb 2009 01:44:12 +0000
 
   .ExternalClass .EC_hmmessage P {padding:0px;} .ExternalClass body.EC_hmmessage {font-size:10pt;font-family:Verdana;}  Lynn C Agreed C sheetmetal or wood screws into the wood C I wasn't considering. I believe someone said thats what they had though. At this point I am leaning towards aluminum pop rivets with an aluminum washer on the bottom side.
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
  
  	  | Quote: | 	 		   From: lynnmatt(at)jps.net
  Subject: Re: Re: Greenhouse construction
  Date: Wed C 18 Feb 2009 20:30:51 -0500
  To: kitfox-list(at)matronics.com
  
  --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>
  
  That metal reinforcing strip is only good in the area near where the 
  rivets go through it C and a little distance beyond. So the rivets C if 
  you choose to use them with a large-area...relatively 
  speaking...washer C they should serve roughly the same purpose. Of 
  course C the addition of the metal angles added to the rib/capstrip 
  junction sounds like a good idea. I can't remember whether I did this 
  or not. If I didn't C it sounds like it is unnecessary C as I've been 
  tossed about a little bit in mine and no apparent damage done.
  
  I would never use metal screws into the wood...maybe only to get home 
  in an emergency.
  
  Well C being as how the builder's manual that I have calls for 
  drilling and cleco'ing the skylight C and doesn't mention doing any 
  attaching beyond that C I'd say they think the cleco's will hold it 
  on! Keep in mind that I have the Model IV manual and yours may 
  actually tell you how to finish up the job. Kidding aside C it all 
  depends on a few factors...what is the Vne of your plane C and how 
  hard will you fly it? How many violent storms or weather will you fly 
  in? Will the plane see turbulence? Of course C none of us know these 
  answers..most of them anyway C so we try to follow the manual or later 
  service bulletins C or call those building the plane now...John 
  McBean....and see if any new methods have come into existence.
  
  When I installed my wing tips C I ordered the "removable wing tip kit" 
  consisting of...what else?....Aluminum strips C K1000 anchor nuts and 
  machine screws to attach the tips after the anchor-nutted strips were 
  flush-riveted in place. More work? You bet C but once done C it's done 
  right C and they can be removed with one hand C a screwdriver C and no 
  drill.
  
  Lynn Matteson
  Kitfox IV Speedster C taildragger
  Jabiru 2200 C #2062 C 605 hrs
  Sensenich 62x46
  Electroair direct-fire ignition system
  New skis done and flying
  
  
  
  
  On Feb 18 C 2009 C at 7:23 PM C patrick reilly wrote:
  
  > Man Oh Man. I checked the bottom side of my butt ribs. There is no 
  > metal reinforcing strip on the bottom! I had to repair one wing 
  > tip. The last rib on the outside end of the wing had that metal 
  > reinforcing strip on the bottom of the rib to keep the rivets on 
  > the wing tip from pulling through. What the hell do I do now? Do I 
  > remove the fabric covering on the rib and bolt down the cabin top? 
  > Do I use sheet metal screws in the wood? Or are the rivets through 
  > the wood just fine. The plane flew for 200 hrs as originally build C 
  > no metal reinforcing strip on the underside. But C I don't know what 
  > type fasteners were used originally C as the windshield was not 
  > installed when I got it. I guess I better look at builders manual. 
  > It seems that there are an awful lot of different methods being 
  > used by you guys to attach that cabin top.
  >
  > Pat Reilly
  > Mod 3 582 Rebuild>===
  
  
  
 
 
  	  | Quote: | 	 		  http://www.matronics.com/Navigator?Kitfox-List
 ronics.com
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 ww.matronics.com/contribution
 
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		patreilly43(at)hotmail.co Guest
 
 
 
 
 
  | 
		
			
				 Posted: Wed Feb 18, 2009 9:04 pm    Post subject: Greenhouse construction | 
				     | 
			 
			
				
  | 
			 
			
				Lynn C Lay off those engineers. The only problem with them is someone has to tell them when the project is done and to stop engineering or they just go on engineering into infinity. OK I'll use steel washers. I'm easy. I'm also dyslextic. I'ts not dyslextic being easy you know.
  do not archive
 
 Pat Reilly
 Mod 3 582 Rebuild
 Rockford C IL
 
  
  	  | Quote: | 	 		   From: lynnmatt(at)jps.net
  Subject: Re: Re: Greenhouse construction
  Date: Wed C 18 Feb 2009 21:04:23 -0500
  To: kitfox-list(at)matronics.com
  
  --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>
  
  Probably a good plan C Pat...maybe even steel washers underneath C just 
  to keep a flat surface contact instead of a possible dished one. 
  Important to get a good diametral fit to the rivet C though C with 
  either. Another thing to consider...aluminum mandrels C or steel? 
  Maybe a knowledgeable engineer might offer some help here. : ) An 
  aluminum mandrel might not allow enough squeeze before popping C while 
  a steel mandrel might squeeze too much.
  
  Lynn Matteson
  Kitfox IV Speedster C taildragger
  Jabiru 2200 C #2062 C 605 hrs
  Sensenich 62x46
  Electroair direct-fire ignition system
  New skis done and flying
  
  
  
  
  On Feb 18 C 2009 C at 8:44 PM C patrick reilly wrote:
  
  > Lynn C Agreed C sheetmetal or wood screws into the wood C I wasn't 
  > considering. I believe someone said thats what they had though. At 
  > this point I am leaning towards aluminum pop rivets with an 
  > aluminum washer on the bottom side.
  >
  > Pat Reilly
  > Mod 3 582 Rebuild
  > Rockford C IL
  >
  >
  >
  >
  > > From: lynnmatt(at)jps.net
  > > Subject: Re: Re: Greenhouse construction
  > > Date: Wed C 18 Feb 2009 20:30:51 -0500
  > > To: kitfox-list(at)matronics.com
  > >
  > > --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>
  > >
  > > That metal reinforcing strip is only good in the area near where the
  > > rivets go through it C and a little distance beyond. So the 
  > rivets C if
  > > you choose to use them with a large-area...relatively
  > > speaking...washer C they should serve roughly the same purpose. Of
  > > course C the addition of the metal angles added to the rib/capstrip
  > > junction sounds like a good idea. I can't remember whether I did 
  > this
  > > or not. If I didn't C it sounds like it is unnecessary C as I've been
  > > tossed about a little bit in mine and no apparent damage done.
  > >
  > > I would never use metal screws into the wood...maybe only to get 
  > home
  > > in an emergency.
  > >
  > > Well C being as how the builder's manual that I have calls for
  > > drilling and cleco'ing the skylight C and doesn't mention doing any
  > > attaching beyond that C I'd say they think the cleco's will hold it
  > > on! Keep in mind that I have the Model IV manual and yours may
  > > actually tell you how to finish up the job. Kidding aside C it all
  > > depends on a few factors...what is the Vne of your plane C and how
  > > hard will you fly it? How many violent storms or weather will you 
  > fly
  > > in? Will the plane see turbulence? Of course C none of us know these
  > > answers..most of them anyway C so we try to follow the manual or 
  > later
  > > service bulletins C or call those building the plane now...John
  > > McBean....and see if any new methods have come into existence.
  > >
  > > When I installed my wing tips C I ordered the "removable wing tip 
  > kit"
  > > consisting of...what else?....Aluminum strips C K1000 anchor nuts and
  > > machine screws to attach the tips after the anchor-nutted strips 
  > were
  > > flush-riveted in place. More work? You bet C but once done C it's done
  > > right C and they can be removed with one hand C a screwdriver C and no
  > > drill.
  > >
  > > Lynn Matteson
  > > Kitfox IV Speedster C taildragger
  > > Jabiru 2200 C #2062 C 605 hrs
  > > Sensenich 62x46
  > > Electroair direct-fire ignition system
  > > New skis done and flying
  > >
  > >
  > >
  > >
  > > On Feb 18 C 2009 C at 7:23 PM C patrick reilly wrote:
  > >
  > > > Man Oh Man. I checked the bottom side of my butt ribs. There is no
  > > > metal reinforcing strip on the bottom! I had to repair one wing
  > > > tip. The last rib on the outside end of the wing had that metal
  > > > reinforcing strip on the bottom of the rib to keep the rivets on
  > > > the wing tip from pulling through. What the hell do I do now? Do I
  > > > remove the fabric covering on the rib and bolt down the cabin top?
  > > > Do I use sheet metal screws in the wood? Or are the rivets through
  > > > the wood just fine. The plane flew for 200 hrs as originally 
  > build C
  > > > no metal reinforcing strip on the underside. But C I don't know 
  > what
  > > > type fasteners were used originally C as the windshield was not
  > > > installed when I got it. I guess I better look at builders manual.
  > > > It seems that there are an awful lot of different methods being
  > > > used by you guys to attach that cabin top.
  > > >
  > > > Pat Reilly
  > > > Mod 3 582 Rebuild>===
  > >
  > >
  > >
  > ========== _- 
  > =================================== _- 
  > contribution_- 
  > ================================
 >==================
 | 	  
 [quote] 
  
  
   
 
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		Guy Buchanan
 
  
  Joined: 16 Jul 2006 Posts: 1204 Location: Ramona, CA
  | 
		
			
				 Posted: Wed Feb 18, 2009 9:46 pm    Post subject: Greenhouse construction | 
				     | 
			 
			
				
  | 
			 
			
				At 04:23 PM 2/18/2009, you wrote:
  	  | Quote: | 	 		  Do I remove the fabric covering on the rib and bolt down the cabin top?
 
 | 	  
 Pat,
          I'm a little confused. How did you confirm there was no 
 metal backing if you can't get to the underside without removing 
 fabric? I'm definitely not understanding your configuration.
 Guy Buchanan
 San Diego, CA
 K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
 
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 _________________ Guy Buchanan
 
Deceased K-IV 1200
 
A glider pilot too. | 
			 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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				 Posted: Thu Feb 19, 2009 3:30 am    Post subject: Greenhouse construction | 
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				LP Aeroplastics sells a dense foam tape, self-adhesive, for that very  
 purpose. I still say the rivet idea is not the best, because of no  
 way to control tension, and the bearing area is too small. You've  
 covered the bearing area with the aluminum strips, but is it a good- 
 looking installation?
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 
 
 On Feb 18, 2009, at 11:38 PM, patrick reilly wrote:
 
  	  | Quote: | 	 		   Hey Guys, One thing I am doing that no one else is doing. You all  
  have the heads of your screws or rivets bearing on the Lexan. I am  
  using a 1/16th" x 3/4" wide strip of aluminum on top of the Lexan  
  drilled out for the row of rivets front to back on the ribs and  
  cross wise above the spar carry through tubes. I didn't do it, but  
  if I was to do it again, I would put some sort of rubber tape on  
  the bottom side of the aluminum strip to cushion it slightly. I  
  don't know it just looked like a good way to spread the holding  
  force of the rivets over a large area of the Lexan to me. I really  
  don't like a bolt or rivet head bearing on a piece of plexi, even  
  with a fender washer. I did the same thing on the plexi observation  
  doors that I made.
 
  Pat Reilly
  Mod 3 582 Rebuild
  Rockford, IL
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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		Lynn Matteson
 
 
  Joined: 10 Jan 2006 Posts: 2778 Location: Grass Lake, Michigan
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				 Posted: Thu Feb 19, 2009 3:30 am    Post subject: Greenhouse construction | 
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				Good one, Pat. : )
 
 Lynn Matteson
 Kitfox IV Speedster, taildragger
 Jabiru 2200, #2062, 605 hrs
 Sensenich 62x46
 Electroair direct-fire ignition system
 New skis done and flying
 do not archive
 
 On Feb 19, 2009, at 12:02 AM, patrick reilly wrote:
 
  	  | Quote: | 	 		   Lynn, Lay off those engineers. The only problem with them is  
  someone has to tell them when the project is done and to stop  
  engineering or they just go on engineering into infinity. OK I'll  
  use steel washers. I'm easy. I'm also dyslextic. I'ts not dyslextic  
  being easy you know.
  do not archive
 
  Pat Reilly
  Mod 3 582 Rebuild
  Rockford, IL
 
 
  > From: lynnmatt(at)jps.net
  > Subject: Re: Re: Greenhouse construction
  > Date: Wed, 18 Feb 2009 21:04:23 -0500
  > To: kitfox-list(at)matronics.com
  >
  > 
  >
  > Probably a good plan, Pat...maybe even steel washers underneath,  
  just
  > to keep a flat surface contact instead of a possible dished one.
  > Important to get a good diametral fit to the rivet, though, with
  > either. Another thing to consider...aluminum mandrels, or steel?
  > Maybe a knowledgeable engineer might offer some help here. : ) An
  > aluminum mandrel might not allow enough squeeze before popping,  
  while
  > a steel mandrel might squeeze too much.
  >
  > Lynn Matteson
  > Kitfox IV Speedster, taildragger
  > Jabiru 2200, #2062, 605 hrs
  > Sensenich 62x46
  > Electroair direct-fire ignition system
  > New skis done and flying
  >
  >
  >
  >
  > On Feb 18, 2009, at 8:44 PM, patrick reilly wrote:
  >
  > > Lynn, Agreed, sheetmetal or wood screws into the wood, I wasn't
  > > considering. I believe someone said thats what they had though. At
  > > this point I am leaning towards aluminum pop rivets with an
  > > aluminum washer on the bottom side.
  > >
  > > Pat Reilly
  > > Mod 3 582 Rebuild
  > > Rockford, IL
  > >
  > >
  > >
  > >
  > > > From: lynnmatt(at)jps.net
  > > > Subject: Re: Re: Greenhouse construction
  > > > Date: Wed, 18 Feb 2009 20:30:51 -0500
  > > > To: kitfox-list(at)matronics.com
  > > >
  > > > 
  <lynnmatt(at)jps.net>
  > > >
  > > > That metal reinforcing strip is only good in the area near  
  where the
  > > > rivets go through it, and a little distance beyond. So the
  > > rivets, if
  > > > you choose to use them with a large-area...relatively
  > > > speaking...washer, they should serve roughly the same  
  purpose. Of
  > > > course, the addition of the metal angles added to the rib/ 
  capstrip
  > > > junction sounds like a good idea. I can't remember whether I did
  > > this
  > > > or not. If I didn't, it sounds like it is unnecessary, as  
  I've been
  > > > tossed about a little bit in mine and no apparent damage done.
  > > >
  > > > I would never use metal screws into the wood...maybe only to get
  > > home
  > > > in an emergency.
  > > >
  > > > Well, being as how the builder's manual that I have calls for
  > > > drilling and cleco'ing the skylight, and doesn't mention  
  doing any
  > > > attaching beyond that, I'd say they think the cleco's will  
  hold it
  > > > on! Keep in mind that I have the Model IV manual and yours may
  > > > actually tell you how to finish up the job. Kidding aside, it  
  all
  > > > depends on a few factors...what is the Vne of your plane, and  
  how
  > > > hard will you fly it? How many violent storms or weather will  
  you
  > > fly
  > > > in? Will the plane see turbulence? Of course, none of us know  
  these
  > > > answers..most of them anyway, so we try to follow the manual or
  > > later
  > > > service bulletins, or call those building the plane now...John
  > > > McBean....and see if any new methods have come into existence.
  > > >
  > > > When I installed my wing tips, I ordered the "removable wing tip
  > > kit"
  > > > consisting of...what else?....Aluminum strips, K1000 anchor  
  nuts and
  > > > machine screws to attach the tips after the anchor-nutted strips
  > > were
  > > > flush-riveted in place. More work? You bet, but once done,  
  it's done
  > > > right, and they can be removed with one hand, a screwdriver,  
  and no
  > > > drill.
  > > >
  > > > Lynn Matteson
  > > > Kitfox IV Speedster, taildragger
  > > > Jabiru 2200, #2062, 605 hrs
  > > > Sensenich 62x46
  > > > Electroair direct-fire ignition system
  > > > New skis done and flying
  > > >
  > > >
  > > >
  > > >
  > > > On Feb 18, 2009, at 7:23 PM, patrick reilly wrote:
  > > >
  > > > > Man Oh Man. I checked the bottom side of my butt ribs.  
  There is no
  > > > > metal reinforcing strip on the bottom! I had to repair one  
  wing
  > > > > tip. The last rib on the outside end of the wing had that  
  metal
  > > > > reinforcing strip on the bottom of the rib to keep the  
  rivets on
  > > > > the wing tip from pulling through. What the hell do I do  
  now? Do I
  > > > > remove the fabric covering on the rib and bolt down the  
  cabin top?
  > > > > Do I use sheet metal screws in the wood? Or are the rivets  
  through
  > > > > the wood just fine. The plane flew for 200 hrs as originally
  > > build,
  > > > > no metal reinforcing strip on the underside. But, I don't know
  > > what
  > > > > type fasteners were used originally, as the windshield was not
  > > > > installed when I got it. I guess I better look at builders  
  manual.
  > > > > It seems that there are an awful lot of different methods  
  being
  > > > > used by you guys to attach that cabin top.
  > > > >
  > > > > Pat Reilly
  > > > > Mod 3 582 Rebuild>===
  > > >
  > > >
  > > >
  > > ========== _-
  > > =================================== _-
  > > contribution_-
  > > ================================
  >==================
  >
  >
  >
  ============================================================ _- 
  ============================================================ _- 
  contribution_- 
  ============================================================
 
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 _________________ Lynn
 
Kitfox IV-Jabiru 2200
 
N369LM | 
			 
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