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Wingtanks

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jdmcbean(at)kitfoxaircraf
Guest

Posted: Tue Jan 05, 2010 8:38 am Post subject: Wingtanks

Dick and others,  

                We have been using the new resin for just over 3 years now and have had no issues with ethanol and even testing done with some much harsher solvents has had very good results.    

   

   

Fly Safe !!

 John & Debra McBean

 Ph 208.337.5111

 www.kitfoxaircraft.com 

 "The Sky is not the Limit...  It's a Playground"   

   

   

   

       [quote][b]

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dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Tue Jan 05, 2010 5:00 pm Post subject: Re: Wingtanks and Wingtip question for John Mc Bean

John, My tank are early 1990s vintage and I have over 850 hours in last 3 years alone wince ethanol gas was mandated here in Canada. No leaks or problems  yet.  Mine do not have any sloshing inside. 

Have you seen any tanks actually leak or fall apart due to ethanol? I hear of them but Have not seen any yet. 



Second question......  Droop tips vs hoerner style tips 

-what gain or losses can be had ? and on model IV wing and early under camber wings. 

-what is the pricing on your hoerner tips ? 

Thanks ,

Dave

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Lion8

Joined: 21 Jun 2009
Posts: 31

Posted: Wed Jan 06, 2010 5:26 am Post subject: Wingtanks

Fiberglas tanks and Ethanol.  I first saw what Ethanol does to fiberglas tanks a few years ago. Sport fishing boat with glass tanks built in 70's. The Ethanol dissolved the resin from the inside of the tank and sent it up into the fuel filter and into the engine. It looked like thick dark syrup.  Cost a few thousand dollars to fix. I believe the date for Ethanol compatible fiberglass is 1988. Someone correct me if this date is wrong.  I used a product to line the inside of gas tanks years ago to stop rust and permanently plug pinholes. Worked great with no adverse affects. Any interested?-Tom 

  

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_________________
Tom (Lion8), Currently Flying an LSA Trike
Rebuilding a Kitfox IV Speedster
Southern New Jersey

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Wed Jan 06, 2010 5:58 am Post subject: Re: Wingtanks

 	  Lion8 wrote: 	
		  Fiberglas tanks and Ethanol.  I first saw what Ethanol does to fiberglas tanks a few years ago. Sport fishing boat with glass tanks built in 70's. The Ethanol dissolved the resin from the inside of the tank and sent it up into the fuel filter and into the engine. It looked like thick dark syrup.  Cost a few thousand dollars to fix. I believe the date for Ethanol compatible fiberglass is 1988. Someone correct me if this date is wrong.  I used a product to line the inside of gas tanks years ago to stop rust and permanently plug pinholes. Worked great with no adverse affects. Any interested?-Tom 

  

--- 	


I think 

that the vinyl ester resin is the key as early tanks were  poly ester resin. 

Ours I think are made from vinyl ester resin.  

The point is all the hype about ethanol eating Kitfox tanks has really not proven to happening.  1970 boats sure but not relevant. 



No need to slosh Kreem if there really is not a problem.  A poorly sloshed tank can cause more probelms than without.l

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Av8r3400

Joined: 22 Sep 2008
Posts: 83
Location: North Central Wisconsin (KRRL)

Posted: Wed Jan 06, 2010 7:43 am Post subject: Re: Wingtanks

Okay, here is the $64k question:



Is there a way, to visually (or otherwise) test weather your tanks are Polyester or vinylester resin?

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Thanks,
Av8r3400

Kitfox Model IV-1200 W/912UL & IVO
Kitfox Model IV-1050 W/912UL & Warp
YouTube Videos

pwmac(at)sisna.com
Guest

Posted: Wed Jan 06, 2010 8:31 am Post subject: Wingtanks

Ask John. Its all about the build date.

Internal coatings with any glass tanks could be still required to 

seal the pin holes. Test your tanks for pinholes before installation.



PW

===========

At 07:43 AM 1/6/2010, you wrote:

 	  Quote: 	
		  



Okay, here is the $64k question:



Is there a way, to visually (or otherwise) test weather your tanks 

are Polyester or vinylester resin?



[Question]



--------

Thanks,

Av8r3400



Kitfox Model IV-1200 W/912UL &amp; IVO

Kitfox Model IV-1050 W/912UL &amp; Warp



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http://forums.matronics.com/viewtopic.php?p 80357#280357

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