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Fuel pickup mods

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clemwehner(at)sbcglobal.n
Guest

Posted: Fri Jan 16, 2009 10:40 am Post subject: Fuel pickup mods

My KF-IV, 1991  vintage has the fuel pickups at the aft end of the tank. Didn't Skystar have a  mod to move the pickups forward to eliminate fuel unporting during  descent?

 Was this a good idea  and should I modify my tanks? 

  

  

 thanks,

  

 Clem  Wehner

 KF-IV,  912

 Lawton,  OK

    [quote][b]

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Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Fri Jan 16, 2009 11:47 am Post subject: Fuel pickup mods

My plane has a header tank that will take care of the engines needs for around 20 min.    

   

Noel  

       

From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of clemwehner

 Sent: Friday, January 16, 2009 3:08 PM

 To: kitfox-list(at)matronics.com

 Subject: Fuel pickup mods  

  

  

     

My KF-IV, 1991 vintage has the fuel pickups at the aft end of the tank. Didn't Skystar have a mod to move the pickups forward to eliminate fuel unporting during descent?  

    

Was this a good idea and should I modify my tanks?   

    

   

    

   

    

thanks,  

    

   

    

Clem Wehner  

    

KF-IV, 912  

    

Lawton, OK  

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

Lynn Matteson

Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

Posted: Fri Jan 16, 2009 1:01 pm Post subject: Fuel pickup mods

So's mine....I figure 15 minutes to be safe, though....in fact while  

descending into my flight instructors' place yesterday the low fuel  

came on, and I pointed the nose level, banked to the left a bit, did  

a little circle to line up with the runway, and the light went off,  

telling me I had a t least 15 minutes left. I put in 10 gallons and  

went home. I knew I was getting low, but kept it purposely low to  

enable lifting the tail during the recent ski cable rigging  

procedure, and was having so much fun with the skis I just plain  

forgot to fuel up. I seem to be reporting a lot of these "low fuel  

antics" but I maintain that knowing how to get out of the predicament  

is first and foremost. Secondary is scolding myself for doing it  

again and again. : (



Lynn Matteson

Kitfox IV Speedster, taildragger

Jabiru 2200, #2062, 600.2 hrs

Sensenich 62x46

Electroair direct-fire ignition system

New skis done and flying

do not archive



On Jan 16, 2009, at 2:46 PM, Noel Loveys wrote:



 	  Quote: 	
		   My plane has a header tank that will take care of the engines needs  

 for around 20 min.



 Noel



 From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox- 

 list-server(at)matronics.com] On Behalf Of clemwehner

 Sent: Friday, January 16, 2009 3:08 PM

 To: kitfox-list(at)matronics.com

 Subject: Fuel pickup mods



 My KF-IV, 1991 vintage has the fuel pickups at the aft end of the  

 tank. Didn't Skystar have a mod to move the pickups forward to  

 eliminate fuel unporting during descent?



 Was this a good idea and should I modify my tanks?



 thanks,



 Clem Wehner



 KF-IV, 912



 Lawton, OK



   http://www.matronics.com/Navigator?Kitfox-Listhttp:// 

 forums.matronics.comhttp://www.matronics.com/contribution

 ============================================================ _- 

 ============================================================ _- 

 contribution_- 

 ============================================================

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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM

sbennett3(at)aol.com
Guest

Posted: Fri Jan 16, 2009 1:30 pm Post subject: Fuel pickup mods

I have 27.5 usable on my fox. 13-13-1.5 header. I have completed a cross country at a comfortable cruise (5000rpm rotax 912) I flew that plane for 6 hrs strait from Northern Penn. to North Carolina. I had 9 gallons of fuel when I touched down. I was amazed with the fuel burn at a slower cruise rpm. I still get a laugh when I see "The only time I don't want my tanks full is when i'm on fire". Every time I launch my plane, my tanks are full. It also seems to handle the bumps in midday flying better being a little heavy.  Also less chance of picking up moisture when you keep you tanks full. Steve Bennett  North Carolina  KF4-912 classic speedster

  

  

  

 In a message dated 01/16/09 16:02:43 Eastern Standard Time, lynnmatt(at)jps.net writes:

 [quote]   .aolmailheader          {font-size:8pt; color:black; font-family:Arial} a.aolmailheader:link    {color:blue; text-decoration:underline; font-weight:normal} a.aolmailheader:visited {color:magenta; text-decoration:underline; font-weight:normal} a.aolmailheader:active  {color:blue; text-decoration:underline; font-weight:normal} a.aolmailheader:hover   {color:blue; text-decoration:underline; font-weight:normal}  --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net> 



So's mine....I figure 15 minutes to be safe, though....in fact while   

descending into my flight instructors' place yesterday the low fuel   

came on, and I pointed the nose level, banked to the left a bit, did   

a little circle to line up with the runway, and the light went off,   

telling me I had a t least 15 minutes left. I put in 10 gallons and   

went home. I knew I was getting low, but kept it purposely low to   

enable lifting the tail during the recent ski cable rigging   

procedure, and was having so much fun with the skis I just plain   

forgot to fuel up. I seem to be reporting a lot of these "low fuel   

antics" but I maintain that knowing how to get out of the predicament   

is first and foremost. Secondary is scolding myself for doing it   

again and again. : ( 



Lynn Matteson 

Ki  tfox IV Speedster, taildragger 

Jabiru 2200, #2062, 600.2 hrs 

Sensenich 62x46 

Electroair direct-fire ignition system 

New skis done and flying 

do not archive 



On Jan 16, 2009, at 2:46 PM, Noel Loveys wrote: 



 	  Quote: 	
		   My plane has a header tank that will take care of the engines needs   

 for around 20 min. 

 

 

 

 Noel 

 

 

 

 From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox- 

 list-server(at)matronics.com] On Behalf Of clemwehner 

 Sent: Friday, January 16, 2009 3:08 PM 

 To: kitfox-list(at)matronics.com 

 Subject: Fuel pickup mods 

 

 

 

 My KF-IV, 1991 vintage has the fuel pickups at the aft end of the   

 tank. Didn't Skystar have a mod to move the pickups forward to   

 eliminate fuel unporting during descent? 

 

 Was this a good idea and should I modi  f  y my tanks? 

 

 

 

 

 

 t  

 Which stars will make the biggest headlines in 2009? Get Hollywood predictions, celebrity holiday photos and more with the PopEater Toolbar.
	


   [quote][b]

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brianm(at)snolab.ca
Guest

Posted: Fri Jan 16, 2009 1:48 pm Post subject: Fuel pickup mods

Hi  Guys

  

 I am in the  process of building a speedster with a 912 and was wondering what cruise speed I  can expect at different rpms. I'll be installing a IFA Ivo so I will be able to  play with the pitch. 

 thanks

 Brian



   From: owner-kitfox-list-server(at)matronics.com  [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of  sbennett3

Sent: January 16, 2009 4:29 PM

To:  kitfox-list(at)matronics.com

Subject: Re: Fuel pickup  mods

 

    I have 27.5 usable on my fox. 13-13-1.5 header. I have  completed a cross country at a comfortable cruise (5000rpm rotax 912) I flew  that plane for 6 hrs strait from Northern Penn. to North Carolina. I had 9  gallons of fuel when I touched down. I was amazed with the fuel burn at a slower  cruise rpm. I still get a laugh when I see "The only time I don't want my tanks  full is when i'm on fire". Every time I launch my plane, my tanks are full. It  also seems to handle the bumps in midday flying better being a little  heavy.  Also less chance of picking up moisture when you keep you tanks  full. Steve Bennett  North Carolina  KF4-912 classic speedster

  

  

  

 In a message dated 01/16/09 16:02:43 Eastern Standard Time,  lynnmatt(at)jps.net writes:

 [quote]       .aolmailheader          {font-size:8pt; color:black; font-family:Arial} a.aolmailheader:link    {color:blue; text-decoration:underline; font-weight:normal} a.aolmailheader:visited {color:magenta; text-decoration:underline; font-weight:normal} a.aolmailheader:active  {color:blue; text-decoration:underline; font-weight:normal} a.aolmailheader:hover   {color:blue; text-decoration:underline; font-weight:normal}    --> Kitfox-List message posted by: Lynn Matteson <lynnmatt(at)jps.net>    



So's mine....I figure 15 minutes to be safe, though....in fact while      

descending into my flight instructors' place yesterday the low fuel      

came on, and I pointed the nose level, banked to the left a bit,    did   

a little circle to line up with the runway, and the light went    off,   

telling me I had a t least 15 minutes left. I put in 10    gallons and   

went home. I knew I was getting low, but kept it    purposely low to   

enable lifting the tail during the recent ski    cable rigging   

procedure, and was having so much fun with the skis I    just plain   

forgot to fuel up. I seem to be reporting a lot of these    "low fuel   

antics" but I maintain that knowing how to get out of the    predicament   

is first and foremost. Secondary is scolding myself for    doing it   

again and again. : ( 



Lynn Matteson 

Ki tfox IV    Speedster, taildragger 

Jabiru 2200, #2062, 600.2 hrs 

Sensenich 62x46    

Electroair direct-fire ignition system 

New skis done and flying 

do    not archive 



On Jan 16, 2009, at 2:46 PM, Noel Loveys wrote:    



 	  Quote: 	
		   My plane has a header tank that will take care of the engines    needs   

 for around 20 min. 

 

 

 

    Noel 

 

 

 

 From:    owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox- 

    list-server(at)matronics.com] On Behalf Of clemwehner 

 Sent: Friday,    January 16, 2009 3:08 PM 

 To: kitfox-list(at)matronics.com 

    Subject: Fuel pickup mods 

 

 

 

 My    KF-IV, 1991 vintage has the fuel pickups at the aft end of the   

    tank. Didn't Skystar have a mod to move the pickups forward to   

    eliminate fuel unporting during descent? 

 

 Was this a good    idea and should I modi f y my tanks? 

 

 

 

    

 

 t     

   
	


      Which stars will make the biggest headlines in 2009? Get    Hollywood predictions, celebrity holiday photos and more with the PopEater    Toolbar.

 	  Quote: 	
		  



href="http://www.matronics.com/Navigator?Kitfox-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com

href="http://www.matronics.com/contribution">http://www.matronics.com/c

	


[b]

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lcfitt(at)sbcglobal.net
Guest

Posted: Fri Jan 16, 2009 2:22 pm Post subject: Fuel pickup mods

Clem,



My first Mod IV has pick-ups as you describe and my new build will have the 

same.  I flew often on cross countrys with the guys and sometimes solo and 

never felt the need to change.  I did have the light come on once after a 

non stop from the factory area in Idaho to home in California.  It happened 

on the long 400 fpm descent from the crest of the Sierras to my home in the 

foothills, a descent of about 30 minutes.  I knew I had at least six 

gallons - quite accurate markings on the sight gauges -  so leveling for a 

while to refill the header was no problem.  With no boss where at the new 

location, drilling and tapping at the location, mess clean-up and resin 

bonding issues, for me it would not be worth the effort.



Lowell Fitt

Cameron Park, CA

Model IV-1200 R-912 UL

Almost ready to cover left wing and fuselage.

---

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clint_bazzill(at)hotmail.
Guest

Posted: Fri Jan 16, 2009 5:52 pm Post subject: Fuel pickup mods

I am going to add a little to Lowell's reply.  I have Williams low fuel warning in my aircraft also.  I had the light go on a number of times when letting down.  It does get your attention.  What I do is pick the nose up C do a high wing up and let the header fill.  The test I did over Half Moon Bay airport about 8 months ago went like this.  I climbed over the airport to 3500 feet.  Shut off fuel to both tanks C had power setting at 24 inches Manifold Pressure C 5100 RPM's.  Engine shut down and prop stopped 21 minutesand 40 seconds later.  A 912 ULS will not air start C so fuel went back on and engine started in about 4 or 5 seconds with starter.

  

 Clint C lots of time with 912 ULS.



[quote] From: lcfitt(at)sbcglobal.net

 To: kitfox-list(at)matronics.com

 Subject: Re: Kitfox-List: Fuel pickup mods

 Date: Fri C 16 Jan 2009 14:18:29 -0800

 

 --> Kitfox-List message posted by: "Lowell Fitt" <lcfitt(at)sbcglobal.net>

 

 Clem C

 

 My first Mod IV has pick-ups as you describe and my new build will have the 

 same. I flew often on cross countrys with the guys and sometimes solo and 

 never felt the need to change. I did have the light come on once after a 

 non stop from the factory area in Idaho to home in California. It happened 

 on the long 400 fpm descent from the crest of the Sierras to my home in the 

 foothills C a descent of about 30 minutes. I knew I had at least six 

 gallons - quite accurate markings on the sight gauges - so leveling for a 

 while to refill the header was no problem. With no boss where at the new 

 location C drilling and tapping at the location C mess clean-up and resin 

 bonding issues C for me it would not be worth the effort.

 

 Lowell Fitt

 Cameron Park C CA

 Model IV-1200 R-912 UL

 Almost ready to cover left wing and fuselage.

 ---

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Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Fri Jan 16, 2009 8:58 pm Post subject: Fuel pickup mods

At 10:38 AM 1/16/2009, you wrote:

  	  Quote: 	
		  Was this a good idea and should I modify my tanks? 	


 I wouldn't do it unless the tanks had a significant sump. I don't find it a problem to re-fill the header every now and then on descent. Besides, it's the only way to check that my low-fuel light is working. (Too lazy to put in a test circuit.)



 

 Guy Buchanan

 San Diego, CA

 K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.    [quote][b]

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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too.

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