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tuned pipes

Old 03-19-2009, 06:05 PM
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1fasthitman
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Default tuned pipes

I'm going to put a tuned pipe on my O.S. .46. It's a mac pipe. I've been researching the tuning process and found good information on how it's done. My question is this: Is the end of the pipe opposite the header supposed to be supported some how to the body of the airplane or is it just left free. It seems to me that only being supported by the silicone piece between it and the header would allow it to flop around. That doesn't sound like such a good idea. Any suggestions?
Old 03-19-2009, 07:01 PM
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rcflyer1970
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Default RE: tuned pipes

A good support will be dependable, a 1/8 inch gap between header and pipe will reduce possibility of rf.
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Old 03-19-2009, 08:05 PM
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combatpigg
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Default RE: tuned pipes

An 1/8" gap between the header and pipe will reduce the possibility of aluminum slurry getting sucked back into the engine.
The support should be stout. I make my own out of maple, music wire and a slice of latex tubing to strap the pipe to the mount pedestal.
Old 03-19-2009, 10:05 PM
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Default RE: tuned pipes

You could simply buy a mount.
http://www3.towerhobbies.com/cgi-bin...?&I=LXZ667&P=7
Old 03-19-2009, 10:43 PM
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freakingfast
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Default RE: tuned pipes

One more:

http://www.greathobbies.com/producti...rod_id=BRO1060

I like the other type, this one is isolated, but it has more drag and the "O" ring cracks with time and fuel exposure.
Old 03-20-2009, 01:00 AM
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tIANci
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Default RE: tuned pipes

Hitman ... most of the times, actually, its rare to see anyone support it there. Support is done near the outlet end or somewhere in between. If the support is firm the silicone tube connection is strong enough to ensure there is no flopping about. Remember the silicon tube is about 3/16" thick and is pretty durable if you purchase the good ones.

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