ORIGINAL: Ilikebipes

I'm a bit concerned with my ST 90. It is an amazing engine that runs GREAT! ...only...

Point the engine down just slightly and it quits. It is adjusted properly.

I've visited a couple threads, and it seems I'm not the only one with this problem. Other engines suffer with this as well. I don't know if the amount of vacuum produced is the issue or not. Most engines run fine for the few seconds they are in a nose down attitude. They are running on what's left of the fuel in the lines. Mine doesn't.

So I was thinking.... here it comes!!!!

The two tank idea would solve this problem. So long as the front tank is full of fuel (It should be as long as the rear tank has some fuel.) the engine ought not never starve for gas.

The other idea is run long brass tubes out the front of the tank, bend them over the top or sides of the tank towards the rear of the airplane. At the back of the tank bend them forward again and attatch the fuel line there. It should make the fuel lines considerably longer and hold more fuel. Hopefully it would last through the normal pattern downlines in the sportsman sequence.

Any comments?

Brian