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jdmcbean(at)cableone.net
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 Posted: Wed Apr 11, 2007 5:16 pm Post subject: Fuel tanks |
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I have been trying to stay away from this discussion but have found it necessary to point out a few issues that I do not believe are being considered.
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<![if !supportLists]>1 <![endif]>The Kitfox wing was structrually tested with the current tanks and the tanks ARE part of the wing structure… unlike many other designs where the tank is cradled beneath the surface.
<![if !supportLists]>2 <![endif]>The Tank IS part of the airfoil shape of the TOP part of the wing.
<![if !supportLists]>3 <![endif]>It is also part of the Drag/Anti-drag component of the wing.
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Safety of Flight - Kitfox does not endorse or promote the use of aftermarket tanks for safety of flight issues.
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I can go on… but those are the highlights…
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The current tanks (from 1996) have been using different resins then those prior to 96 and have not been sloshed with anything unless the builder did it.. There are many, many Kitfox’s flying with these tanks using auto gas without issues..
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I feel most the issues come from letting the fuel sit for extended periods.. is this because of Ethanol or from some of the other additives (solvents) that gets burned in auto gas (tolulene, acetone, etc) From talking with some folks that work in refineries it is amazing what legally gets put in the fuel and because of it’s low percentages not required to be reported.
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What is that same fuel doing inside the carbs and engine seals while sitting for extended periods ?
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Is Ethanol a problem ? We all know it is to some extent… but it is an issue on all kinds of different systems not just tanks.
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That all being said.. We have found a product that is reported to be resistant to solvents and ethanol and does not flake or sheet off… We are actively testing this product and other materials.
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AUTOTEXTLIST \s "E-mail Signature" <![endif]-->Fly Safe !!
John McBean
208.337.5111
www.kitfoxaircraft.com
"It's not how Fast... It's how Fun!"
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[quote][b]
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Bob
Joined: 24 Oct 2006
Posts: 89
Location: Damascus, Maryland, USA
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| Posted: Thu Apr 12, 2007 8:51 am Post subject: Re: Fuel tanks |
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Well, that kills the HDPE fuel tanks for me!
Thanks for the input.
Bob
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