Eagler's Nest
Airframes => Double Seaters => Topic started by: boxchevyman on November 13, 2024, 06:15:02 PM
-
Hey all,
Curious what everyone is doing for gas tanks ports/routing. I have seen some folks run dual ports and then go to a header, and i have seen some folks just use a minimax tank that appears to have a single port.
Is there any real concern with unporting a tank while flying?
I would prefer to simply just run a single port gas tank with a line down to a valve, but not sure if that is really unwise.
Thanks for any help,
James
-
I've seen some aircraft (RV's come to mind) that use dividers and flap valves to reduce sloshing and to keep available fuel near the single port. Seems like a great idea. You can see the concept on this kitplanes article at picture #23.
https://www.kitplanes.com/building-a-composite-fuel-tank/
-
On LEU Treehugger, we have a tank with one fuel discharge and a sample valve, located at the extreme rear/bottom. There is a slight sump in the tank at that location, too. The discharge has a finger strainer inside the tank. Not clear in the pic, there is a ball valve in the tubing under the tank. We use 3/8" alum. tubing to the engine, running as much "down hill" as possible. There is a clear in-line fuel filter near the engine end of the tube. We have had no issues related to un-porting the discharge line (note- be sure that you have a clear vent at top of tank or in filler cap). I believe that if there were to be any un-porting that it would be of a very short duration, and the fuel that was in the tubing and filter would keep the engine running during that un-porting time. See pic.
-
I put one in the front and rear..but.. I agree with what Tom says. It's probably over kill, and wouldn't *need* a header, IMHO.
-
Thanks all! Really appreciate the input!