Today's Message Index:
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1. 02:10 AM - Re: Fuel Line Growing (jetboy)
2. 08:11 AM - Re: Fuel Line Growing (Jim Feldmann)
3. 12:22 PM - Re: Re: Fuel Line Growing (Duncan & Ami McFadyean)
4. 02:29 PM - Re: Fuel Line Growing (lucien)
Message 1
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| Subject: | Re: Fuel Line Growing |
Problem I've had is the lines going hard after a year. This happened whether the
fuel was auto 91, avgas100/130 , Jet-A, Jet-B. The Goodyear lines seem to be
less affected, most of my lines are USA Gates because they are available locally
at the auto & marine places. They dont leak or have any service problems as
such, just not as pliable as when new and I tend to replace them if they need
to be undone for any reason.
Ralph
--------
Ralph - CH701 / 2200a
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http://forums.matronics.com/viewtopic.php?p=244248#244248
Message 2
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| Subject: | Re: Fuel Line Growing |
I have Gates and Goodyear available. I noticed that the Gates cuts much easier
than the Goodyear, so I use the latter on the theory that it would be better
able to resist abrasion.
Yes, I have noticed that it gets hard after a period of time. That is why I replaced
it.
To finish the report, I took the short samples out of the gasoline and let them
dry out for a couple of days. They both went back to exactly 3" in length.
FWIW.
--------
Jim Feldmann, 3rd owner
1994 Kitfox IV Speedster / 912
Working on my Sport Pilot Certificate
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http://forums.matronics.com/viewtopic.php?p=244266#244266
Message 3
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| Subject: | Re: Fuel Line Growing |
Posted: Mon May 11, 2009 7:57 am Post subject: Re: Fuel Line Growing
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Lucien wrote:
<<I now use Tygothane fuel line which is designed for
applications under vacuum like ours generally are. And it doesn't require
special fittings like aeroquip does.
LS??
I find that Tygothane (i.e. polyurethane) fails after about 5
years. Apart from very slow creep under clips etc., the material develops
numerous longitudinal hairline cracks (usually from the outside and inwards
(not due to UV), then starts to leak.
Duncan McFadyean.
----- Original Message -----
From: "Jim Feldmann" <feldesign@earthlink.net>
Sent: Saturday, May 16, 2009 4:10 PM
Subject: RotaxEngines-List: Re: Fuel Line Growing
>
> <feldesign@earthlink.net>
>
> I have Gates and Goodyear available. I noticed that the Gates cuts much
> easier than the Goodyear, so I use the latter on the theory that it would
> be better able to resist abrasion.
>
> Yes, I have noticed that it gets hard after a period of time. That is why
> I replaced it.
>
> To finish the report, I took the short samples out of the gasoline and let
> them dry out for a couple of days. They both went back to exactly 3" in
> length. FWIW.
>
> --------
> Jim Feldmann, 3rd owner
> 1994 Kitfox IV Speedster / 912
> Working on my Sport Pilot Certificate
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=244266#244266
>
>
>
Message 4
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| Subject: | Re: Fuel Line Growing |
ami(at)mcfadyean.freeserv wrote:
>
> LS??
>
> I find that Tygothane (i.e. polyurethane) fails after about 5
> years. Apart from very slow creep under clips etc., the material develops
> numerous longitudinal hairline cracks (usually from the outside and inwards
> (not due to UV), then starts to leak.
>
> Duncan McFadyean.
>
>
> ---
Well I replace long before that, tho. Generally at least every 2 years. My fuel
system is very simple tho and regular replacement isn't too hard to do. Being
able to inspect the lines is more important than a lifetime beyond 5 years.
If I did have fuel lines in places I couldn't get to easily, I'd go ahead and bite
the bullet for aircraft grade lines and fittings for those parts (i.e. aeroquip)....
LS
--------
LS
Titan II SS
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http://forums.matronics.com/viewtopic.php?p=244290#244290
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