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Old 02-01-2012, 08:01 AM   #11
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Re: gas tubing

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Found this on FG (thread was 3 yr old):

Guys, I needed two 30' rolls of no. 1077, 1/8" Aerotrend fuel tubing for a couple of gas planes that I have. So I called Aerotrend to order some. They said that they didn't have anything but the 2' pieces and , worse, said they didn't plan on making any more large rolls due to the depressed economy and potential lack of sales!

If you are interested in showing Aerotrend that there is a market out there for the no. 1077 tubing give them a call at 203.734.0600 and tell them you want them to make a bunch of it
Now, I think that 1/8" is too big for gassers? Tower sells Hayes seamless 3/32" neoprene black for $5.59 for 4 feet

How does this compare to the aerotrend Easy-Flex (that isn't carried anymore apparently)?
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Old 02-01-2012, 09:03 AM   #12
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I am: Jeff K
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Re: gas tubing

Aerotrend fuel line hasn't been made for many years - and it probably won't be made again. It isn't just the lack of sales that halted production - it also had something to do with environmental regulations.

Neoprene is OK - but it will get hard fairly quickly.

Ethanol is really the problem when it comes to gas fuel line - some of the line can't handle Ethanol very well. Many of the fuel lines on the market were never intended to be used with Ethanol.

Regarding fuel line size:

1/8" line is fine for gassers up to 150cc.

You can also use 3/32" line for gassers smaller than ~50cc.

We've tested many gas fuel lines - and this is what we found:

Use VITON inside your tank (it will last the longest - many years) - we have it in stock here:

An alternative for inside your tank is BUNA-N line - this is better than Tygon, but not as good as VITON. You can find it here:

Use Tygon outside of your tank - we have found that Tygon will stay flexible for a long period of time if fuel is only running through it - it hardens up quickly when it is submerged in fuel (i.e. being used as a clunk line). It is also transparent, so you can see fuel flow. You can find it here:

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