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601 XL bearing bloc material
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mtherr(at)yahoo.com
Guest

Posted: Mon Oct 03, 2011 3:38 am Post subject: 601 XL bearing bloc material

Hello group,

  

 As part orf my 601 renovation project, I want to replace the lower nose wheel fork bearing with the newer style 601 XL plastic bloc.  I would like to know what material is mandated (delrin, nylon, acetal, UHMWE?) and what is the thickness.

  

 Thanks!

  

 Michel

  

 do not archive

 

  

 ----------------------------

Michel Therrien CH601-HD, C-GZGQ

http://mthobby.pcperfect.com/ch601

http://pages.infinit.net/mthobby



   

From: Larry McFarland <larry(at)macsmachine.com>

To: Zenith-List <zenith-list(at)matronics.com>

Sent: Wednesday, September 28, 2011 2:46:58 PM

Subject: access panel drawing 



     Hi guys,

 Iâ€™ve had a few people ask about a drawing for the inspection panels I use on my 601HDS. 

 The link below will get you to the drawing on my site and clicking the drawing at the bottom 

 of the page will get you to a larger image thatâ€™s printable. The panels serve my plane well

 and have never given any difficulty.  If you want to make a set of these, the drawing is 

 a good guide.

  

 http://www.macsmachine.com/html/winginsppanels.htm

  

  

 Fly safe guys,

  

 Larry McFarland  601HDS at www.macsmachine.com

  



[quote]



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[b]

psm(at)att.net
Guest

Posted: Mon Oct 03, 2011 4:09 am Post subject: 601 XL bearing bloc material

Hi Michael,

     

     I'm not sure whether mine is the old or new stuff, but I think it is     Nyloil -- oil impregnated nylon.

     

     Paul

     XL in flight test

     

     On 10/3/2011 4:35 AM, Michel Therrien wrote:     [quote]                Hello group,

         Â 

         As part orf             my 601 renovation project, I want to replace the lower nose             wheel fork bearing with the newer style 601 XL plastic             bloc.Â  I would like to know what material is mandated             (delrin, nylon, acetal, UHMWE?) and what is the thickness.

         Â 

         Thanks!

         Â 

         Michel

         Â 

         do not             archive

         Â 

         ----------------------------

           Michel Therrien CH601-HD, C-GZGQ

           http://mthobby.pcperfect.com/ch601

           http://pages.infinit.net/mthobby

         

                                   From: Larry               McFarland <larry(at)macsmachine.com> (larry(at)macsmachine.com)

               To:               Zenith-List <zenith-list(at)matronics.com> (zenith-list(at)matronics.com)

               Sent:               Wednesday, September 28, 2011 2:46:58 PM

               Subject:               access panel drawing 

             

                                                            Hi guys,

                 Iâ€™ve had a few people                   ask about a drawing for the inspection panels I use on                   my 601HDS. 

                 The link below will                   get you to the drawing on my site and clicking the                   drawing at the bottom 

                 of the page will get                   you to a larger image thatâ€™s printable. The panels                   serve my plane well

                 and have never given                   any difficulty. Â If you want to make a set of these,                   the drawing is 

                 a good guide.

                 Â 

                 http://www.macsmachine.com/html/winginsppanels.htm

                 Â 

                 Â 

                 Fly safe guys,

                 Â 

                 Larry McFarlandÂ                    601HDS at www.macsmachine.com

                 Â 

               

                	  Quote: 	
		  



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     [b]

Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Thu Oct 06, 2011 6:14 pm Post subject: Re: 601 XL bearing bloc material

Nyoil 1.5" thick is what I used. I think that's what the print called for also.

_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/

mtherr(at)yahoo.com
Guest

Posted: Fri Oct 07, 2011 5:52 am Post subject: 601 XL bearing bloc material

Thanks all!   I received a square foot of the expensive plastic yesterday and i plan on machining the bearing during the weekend.  



Do not archive



Sent from my iPad



On Oct 6, 2011, at 22:14, "Ron Lendon" <ron.lendon(at)gmail.com> wrote:



 	  Quote: 	
		   

 

 Nyoil 1.5" thick is what I used.  I think that's what the print called for also.

 

 --------

 Ron Lendon, Detroit, MI

 WW Corvair with Roy's Garage 5th bearing

 Zodiac XL, ScrapBuilder 

 http://www.mykitlog.com/rlendon

 Corvair Engine Prints: 

 http://www.zenith.aero/profile/RonLendon

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=354236#354236

naumuk(at)windstream.net
Guest

Posted: Fri Oct 07, 2011 1:15 pm Post subject: 601 XL bearing bloc material

On 10/07/2011 09:50 AM, Michel Therrien wrote:

 	  Quote: 	
		   



 Thanks all!   I received a square foot of the expensive plastic yesterday and i plan on machining the bearing during the weekend.



 Do not archive



 Sent from my iPad



 On Oct 6, 2011, at 22:14, "Ron Lendon"<ron.lendon(at)gmail.com>  wrote:



> 

>

> Nyoil 1.5" thick is what I used.  I think that's what the print called for also.

>

> --------

> Ron Lendon, Detroit, MI

> WW Corvair with Roy's Garage 5th bearing

> Zodiac XL, ScrapBuilder 

> http://www.mykitlog.com/rlendon

> Corvair Engine Prints:

> http://www.zenith.aero/profile/RonLendon

>

>

> Read this topic online here:

>

> http://forums.matronics.com/viewtopic.php?p=354236#354236

>

>



All-
	


     I just tuned in to the thread, and I hate to say this, but every 

installation I've seen was .5" thick, not 1.5". No wonder the raw 

material was so expensive, Mike.

     Ron, if your prints call for 1.5", they're wrong. I have Larry 

Mac's beefed up (reinforcement ridge on the outboard side) bearings and 

I estimate they can be machined out of 3/4" material. I'd say the 

factory bearings could be made using a 3x6" piece of 1/2" stock.

                                                                         

                                                     Bill



-- 

Bill Naumuk

Zen/Vair 601MG

sabrina

Joined: 15 Jun 2009
Posts: 170

Posted: Fri Oct 07, 2011 1:33 pm Post subject: Re: 601 XL bearing bloc material

Do Not Archive

Last edited by sabrina on Tue Oct 25, 2011 3:49 pm; edited 1 time in total

mtherr(at)yahoo.com
Guest

Posted: Fri Oct 07, 2011 2:01 pm Post subject: 601 XL bearing bloc material

Oh, ratz!  I will mill it down 0.004" before i cut the V groove 



Do not archive

---

naumuk(at)windstream.net
Guest

Posted: Fri Oct 07, 2011 2:02 pm Post subject: 601 XL bearing bloc material

On 10/07/2011 05:33 PM, Sabrina wrote:

 	  Quote: 	
		   



 6-G-2   08/05



 38mm which is 1.496 or so inches thick...





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=354325#354325



How thick is your bearing?
	


                                             Bill



-- 

Bill Naumuk

Zen/Vair 601MG

JohnDRead(at)aol.com
Guest

Posted: Fri Oct 07, 2011 2:09 pm Post subject: 601 XL bearing bloc material

I bet the tolerance on the groove depth is greater than 0.004! Oh! just  turn on the metric on your calipers and make it to the print.

  

 Regards,  John



CH701 - Colorado - Jabiru 3300



Cell: 719-494-4567

Home:  303-648-3261   

  In a message dated 10/7/2011 4:02:18 P.M. Mountain Daylight Time,  mtherr(at)yahoo.com writes:

 [quote]-->    Zenith-List message posted by: mtherr(at)yahoo.com



Oh, ratz!  I will    mill it down 0.004" before i cut the V groove 



Do not    archive

---

craig(at)craigandjean.com
Guest

Posted: Fri Oct 07, 2011 2:17 pm Post subject: 601 XL bearing bloc material

The question is do you want to match the XL dimensions or the ones of the

aluminum parts on the 701. The geometry on the 601XL is definitely beefier.

You can't make it as wide on the 701 because the vertical U channel is

narrower. And the depth of the v-grove is set by the existing parts: nose

gear tube (and its cross tube), distance from the bottom support plate to

the top gear bearing, etc.



On my fourth-hand 701 kit I cut down the 601XL part to fit the specifics of

my plane.



-- Craig



--

naumuk(at)windstream.net
Guest

Posted: Fri Oct 07, 2011 2:22 pm Post subject: 601 XL bearing bloc material

On 10/07/2011 05:58 PM, mtherr(at)yahoo.com wrote:

[quote] 



 Oh, ratz!  I will mill it down 0.004" before i cut the V groove 



 Do not archive

 ---

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JohnDRead(at)aol.com
Guest

Posted: Fri Oct 07, 2011 2:28 pm Post subject: 601 XL bearing bloc material

I don't think that the 601 part will fit the 701. I looked at my hangar  buddies 601 and it is quite a lot different than the 701 arrangement. I was just  going to make narrow blocks that fit inside the 701 brackets but are about 0.030  higher than the angles on the 701 parts. 

  

 Regards,  John



CH701 - Colorado - Jabiru 3300



Cell: 719-494-4567

Home:  303-648-3261   

  In a message dated 10/7/2011 4:17:49 P.M. Mountain Daylight Time,  craig(at)craigandjean.com writes:

 [quote]-->    Zenith-List message posted by: "Craig Payne"    <craig(at)craigandjean.com>



The question is do you want to match the    XL dimensions or the ones of the

aluminum parts on the 701. The geometry on    the 601XL is definitely beefier.

You can't make it as wide on the 701    because the vertical U channel is

narrower. And the depth of the v-grove is    set by the existing parts: nose

gear tube (and its cross tube), distance    from the bottom support plate to

the top gear bearing, etc.



On my    fourth-hand 701 kit I cut down the 601XL part to fit the specifics of

my    plane.



-- Craig



--

sabrina

Joined: 15 Jun 2009
Posts: 170

Posted: Fri Oct 07, 2011 2:34 pm Post subject: Re: 601 XL bearing bloc material

Do Not Archive

Last edited by sabrina on Tue Oct 25, 2011 3:51 pm; edited 4 times in total

craig(at)craigandjean.com
Guest

Posted: Fri Oct 07, 2011 2:48 pm Post subject: 601 XL bearing bloc material

 	  Quote: 	
		  > I don't think that the 601 part will fit the 701. Well, that’s what I did and it works. -- Craig 	


  [quote][b]

mtherr(at)yahoo.com
Guest

Posted: Fri Oct 07, 2011 3:49 pm Post subject: 601 XL bearing bloc material

Bill, presently, mine is pretty much like yours... but I am upgrading to the XL design.

 

  

 ----------------------------

Michel Therrien CH601-HD, C-GZGQ

http://mthobby.pcperfect.com/ch601

http://pages.infinit.net/mthobby



   

From: Bill Naumuk <naumuk(at)windstream.net>

To: zenith-list(at)matronics.com

Sent: Friday, October 7, 2011 6:19:31 PM

Subject: Re: Re: 601 XL bearing bloc material



 	  Quote: 	
		  



Mike, you have an HD or HDS, don't you? Different set up from the XL, 
	


unless you upgraded. Whatever, best of luck. Check out the pix.



-- 

Bill Naumuk

Zen/Vair 601MG

 [quote][b]

mtherr(at)yahoo.com
Guest

Posted: Fri Oct 07, 2011 3:51 pm Post subject: 601 XL bearing bloc material

That was a joke... did not notice the ?

  

 An inspector told me that a plane is a collection of twisted parts that if well made, can fly straight... 

  

 do not archive

 

  

 ----------------------------

Michel Therrien CH601-HD, C-GZGQ

http://mthobby.pcperfect.com/ch601

http://pages.infinit.net/mthobby



   

From: "JohnDRead(at)aol.com" <JohnDRead(at)aol.com>

To: zenith-list(at)matronics.com

Sent: Friday, October 7, 2011 6:07:11 PM

Subject: Re: Zenith-List: Re: 601 XL bearing bloc material



   I bet the tolerance on the groove depth is greater than 0.004! Oh! just turn on the metric on your calipers and make it to the print.

  

 Regards, John



CH701 - Colorado - Jabiru 3300



Cell: 719-494-4567

Home: 303-648-3261   

  In a message dated 10/7/2011 4:02:18 P.M. Mountain Daylight Time, mtherr(at)yahoo.com writes:

 [quote]--> Zenith-List message posted by: mtherr(at)yahoo.com



Oh, ratz!  I will mill it down 0.004" before i cut the V groove 



Do not archive

---

sabrina

Joined: 15 Jun 2009
Posts: 170

Posted: Fri Oct 07, 2011 4:13 pm Post subject: Re: 601 XL bearing bloc material

Do Not Archive

Last edited by sabrina on Tue Oct 25, 2011 3:51 pm; edited 1 time in total

mtherr(at)yahoo.com
Guest

Posted: Fri Oct 07, 2011 4:36 pm Post subject: 601 XL bearing bloc material

Certainly not because the original specs mandate only the aluminum plate as a bearing.  



One thing i foud in the datasheet for Nyloil is that we must include a clearance ("shaft allowance") to prevent what you mention.  Since that bearing does not really "work", i plan for less allowance than mandated (.003 or .004 instead of .009).  I m sure that with Nylon 6, the clearance would be even more critical.  



--

klaus(at)utdallas.edu
Guest

Posted: Sat Oct 08, 2011 3:46 am Post subject: 601 XL bearing bloc material

Hi,



When we built our 601HDS 15 years ago, the bearings for nose gear

and landing gear were specified to be aluminum. Instead, we made

bearings out of Delrin.



Even with that change, we noticed rather soon that the dirt and

sand collecting on the nose gear was wearing not only the Delrin

but also the gear tube. To prevent further damage and reduce 

the drag produced by the tube, we made a rather simple nose gear fairing,

see



http://utdallas.edu/~klaus/Airplane/nose_gear_fairing.html



Each year, we remove the fairing during the annual

inspection, clean the tube, add grease, and reinstall

the fairing. That process has eliminated the wear of

the tube and the bearing. 



BTW, the 912 Rotax engine has passed 1400 hours,

without any sign of wear except that we have used

four (!) fuel pumps. Let's hope that the new pump design works.



Happy flying,



Klaus

mtherr(at)yahoo.com
Guest

Posted: Sat Oct 08, 2011 4:28 am Post subject: 601 XL bearing bloc material

How long have your 601 been flying?  It is good to read about good longevity for our aircraft...



Sent from my iPad



On Oct 8, 2011, at 7:44, Klaus Truemper <klaus(at)utdallas.edu (klaus(at)utdallas.edu)> wrote:



[quote]Hi,



When we built our 601HDS 15 years ago, the bearings for nose gear

and landing gear were specified to be aluminum. Instead, we made

bearings out of Delrin.



Even with that change, we noticed rather soon that the dirt and

sand collecting on the nose gear was wearing not only the Delrin

but also the gear tube. To prevent further damage and reduce 

the drag produced by the tube, we made a rather simple nose gear fairing,

see



http://utdallas.edu/~klaus/Airplane/nose_gear_fairing.html



Each year, we remove the fairing during the annual

inspection, clean the tube, add grease, and reinstall

the fairing. That process has eliminated the wear of

the tube and the bearing. 



BTW, the 912 Rotax engine has passed 1400 hours,

without any sign of wear except that we have used

four (!) fuel pumps. Let's hope that the new pump design works.



Happy flying,



Klaus

  	  Quote: 	
		  



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