To all:
Thanks, Bill, for referring to me as a "NATs winner", but, actually, I've never won the NATs. One time I came in 17th. But, having said that, tank orientation is a common problem, even among the greats. I thought it was Dougie who got my tank problem figured out for me. But, it was hot and humid that day.... like 105 and 98%. And then, later, RO. (similar conditions) Maybe you got me straightened out that time before Doug and Richard pointed out the error of me ways.
Strange...I build the tank, they show me how to use it....
Anyway, tankage is 99% of all engine problems, that last percent is not plugs, fuel, battery, precession, or stuff like that. It's a tank problem, too.
Unless you're running spark ignition. That's a whole 'nuther smoke. Then it's more like 50/50....but, I digress...
Always punch a hole in the side of the tank, wrap a few turns of copper wire to secure the feed line and uniflow in place in the inside of the tank, and solder securely, to avoid resonance/vibration difficulties, and picture the tank in a six G centrifuge. Or, better yet, use a Sullivan RST plastic tank, and life will become happy and simple.
hope this helps,
dg
(please do not ask for pictures)