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Author Topic: Long tube exhaust for FS?  (Read 747 times)

Offline Dennis Toth

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Long tube exhaust for FS?
« on: March 25, 2023, 11:20:04 AM »
Since four strokes has less sensitive to backpressure has anyone tried using a long tube exhaust to direct the exhaust out the back of the ship (thinking very thin walled Aluminum with no other muffler), kinda like a tuned pipe but lighter?

Best,    DennisT
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Offline Robert Zambelli

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Re: Long tube exhaust for FS?
« Reply #1 on: March 25, 2023, 08:33:30 PM »
Yep, I did it many years ago.
I used it on "The Plane" powered by a Surpass 40.
I ran the pipe inside the wing and out the wing tip.
No noticeable change in performance but definitely louder. Kind of like a megaphone, I guess.

Bob Z.
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