The reason for two clunks.....one clunked line to the carb of course....the other clunked line is for de-fueling at the end of the day. and goes to the fill line.....you don't have to have a clunk on the fill line...but if you don't then you have to tilt the tail of your airplane up to de-fuel the tank

All my three line tanks have two clunks too, even my big tanks for my gas engines. I don't know anyone that sets up a three line any other way. I have never seen them tangle and have a fuel draw problem but I have had a few get stuck in the front of the tank after a sudden stop. I try to avoid the sudden stops though but they can happen.

Couldn't just leave it be. Took it apart and after playing around a bit it was my tuning that was the problem. I hooked up a 2 line fuel tank to it and it was doing the same thing. The low speed needle was really rich and it was loading up and dying. Now I have the clunkers right and the hoses where they should be Was an old Enya 45 that came with e cap 232 I just bought. I think it was because I put the pitts muffler on her that her tune was so far off. Going the leave the cowl off and take her to the filed hopefully this weekend and let it really run for a while before taking it up.
Thanks again for all your replies on this...

I do what you did only the colors I use are Red - pressure line(hot as in muffler), Green - to the carb, and Clear - for the 3rd (filler line)........now there is not confusion......

ShaneT, in one of your posts, you mentioned that "now the cowl goes back on" what did you mean? I have the Escapade and there is no cowl??????? [&o]

I'm sorry for the confusion. I mentioned the escapade as that is where I got the diagram for the fule lines from, but this is for a cap 232.

Hi!
Sounds as if you have a "Uni-flow" tank set up!
If you have been around long enough you will know that this tank set up is the best there is, next only to a Tettra "Bubbleless" tank!

The Uni-flow" tank uses two clunks! One clunk goes to the carb and the other to the silencer nipple for pressure. The third fuel line goes up and serves as the filler line and overflow line, this line must be shut when you have filled the tank!

The reason for using two clunks in a tank is for getting a more even fuel pressure to the carb! A one clunk tank cannot provide that!