Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Multiple fuel tanks?

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Old 08-07-2006, 03:38 PM
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mumblety-peg
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Default Multiple fuel tanks?

I'm flying a Q500 Predator with a Jett 50. It's a lot of fun
But... I get less than 3 minutes of flight time at full throttle.
Could I put two bubble jet tanks in somehow? I know they can be made to fit.
One in the nose and one under the wing. But would it work?

Thanks
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Old 08-07-2006, 08:15 PM
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Cyclic Hardover
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Default RE: Multiple fuel tanks?

Helicopter do it all the time. Call them pony/header tanks. I did one in the front of a P-51 once. Worked just fine. I taped two tanks together and the plumbing was simple common sense. Muffler pressure went into tank 1 as normal. the clunk was in the tank as normal. Fuel was drawn from the tank as normal but instead of going to the carb, I had a short line go into tank #2 where the pressure normally would be.-----But instead of bending the copper straight up in tank 2, it went past the bubble area and a slight angle to the top.

Anyways , then throught the clunk line as normal and right to the carb. Was fine.
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Old 08-07-2006, 11:32 PM
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Default RE: Multiple fuel tanks?

A few months back Dub told me the bubble jetts work great hooked together. I also have a header tank on my Heli works great.
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Old 08-07-2006, 11:53 PM
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mumblety-peg
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Default RE: Multiple fuel tanks?

Thanks guys. This solve my problem. I kind of suspected the Jett tanks would work well. I'm loving the Predator. I just need some more run time.
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Old 08-08-2006, 08:49 AM
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Default RE: Multiple fuel tanks?


ORIGINAL: mumblety-peg

I'm flying a Q500 Predator with a Jett 50. It's a lot of fun
But... I get less than 3 minutes of flight time at full throttle.
Could I put two bubble jet tanks in somehow? I know they can be made to fit.
One in the nose and one under the wing. But would it work?

Thanks
You can do it... but for the bubble-jett tanks, you have to set up two tanks in parallel (cant connect them in series). Works best if the tanks are the same size, but that is not entirely critical ( you may find that a 6oz and a 4oz pair will fit better in the plane)

Use a T-fitting on both the supply and pressure lines. Run a single line from each out of the fuselage.

The distance back to under the wing is not a problem.

Ive set up a pair of 8oz tanks on one of my aerobatic planes. Works fine. those are sitting side by side.

Just be sure to evacuate the tanks properly.

Bob
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