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Are you sure the fuel tubing you got is tygon? Or is it just semi-clear yellow tubing that looks like tygon? I ask because some ARF companies(aeroworks for sure) provide fuel tubing in their kits that is only good for practicing your granny toss into the trash can. |
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You're dead right.
I bought some "tygon" from a hobby shop (or at least it said "tygon" on the package but noted that it didn't have tygon written on the tubing itself.
After a few months I took the tank out and found that the clunk line was as stiff as if I'd been running 20% viagra in my fuel.
Rock-hard -- in fact I'm surprised it didn't snap when I tried to bend it.
I have tried neoprene but found that I end up with tiny black particles in the bottom of the tank within a few hours and the surface of the tubing goes slightly rough. Perhaps it's something in the fuel that's affecting it but I've gone back to *genuine* tygon that I'll be checking every couple of months.