I f I hook up my tank fuel , so the vent line is just opened , and I fly inverted will the fuel spill out with a 25cc echo converstion

Just run the vent line down below the bottom edge of the tank, & when inverted, it will be above the level of fuel in the tank & wont leak the fuel out. .........mildbill

I routed the vent line down below the tank then to the rear, up and around the back to the top and above the tank to the front then down again and out of the fuselage about 2 inches.
Looking from the side the line makes a oval around the the tank, that way no matter what attitude the plane is in some part on the vent line is always higher than the tank.

mdavies31 RE: inverted with vent opened (in reply to MILDBILL-RCU) Report This Post | (Post No. 3)


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I routed the vent line down below the tank then to the rear, up and around the back to the top and above the tank to the front then down again and out of the fuselage about 2 inches.
Looking from the side the line makes a oval around the the tank, that way no matter what attitude the plane is in some part on the vent line is always higher than the tank.

can you send me a picture of the tank routing thanks ronnie [email protected]

I can send the picture tomorrow, stuck at work today.

Thanks guys it makes sense nowHI Ron-

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hey guys all you need to do is use a check valve and and turn it so that if you blow in it you would blow air in the tank but nothing will come back out. Your carb has a reg pump so things will work just fine.