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fuel line insulation

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fuel line insulation

Postby Johns » Thu Nov 03, 2022 7:57 am

Hey everyone, what do you think is the best insulation for the fuel line, there are so many choices.


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Re: fuel line insulation

Postby Bryan Cotton » Thu Nov 03, 2022 8:53 am

John,
I used two layers of firesleeve. It is not supposed to be insulation, but it seems to work that way.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Re: fuel line insulation

Postby Kai » Thu Nov 03, 2022 1:52 pm

Red firesleeve does the job nicely. Take care you do not select a dimension that fits too tightly over the fuel line: a loose fit that does not have to be massaged over the line is good. And make sure you seal off both ends of the sleeve.
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Re: fuel line insulation

Postby Johns » Sat Nov 05, 2022 9:13 am

Thanks guys, I will be looking in to the firesleeve.

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Re: fuel line insulation

Postby mike.smith » Sat Nov 05, 2022 8:05 pm

Kai wrote:Red firesleeve does the job nicely. Take care you do not select a dimension that fits too tightly over the fuel line: a loose fit that does not have to be massaged over the line is good. And make sure you seal off both ends of the sleeve.


To keep the fire sleeve from soaking up oil or fuel, use red RTV mixed with mineral spirits to create a thick liquid. Dip the ends of the fire sleeve into the mix, fully saturating the white fiberglass insulation. Let dry, then install.
Mike Smith
Sonex N439M
Scratch built, AeroVee, Dual stick, Tail dragger
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Re: fuel line insulation

Postby Johns » Sun Nov 06, 2022 3:35 pm

Thanks for the tip Mike!

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