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HelicopterBeginners Corner › Gasket
09-04-2003 09:10 PM  14 years agoPost 1
MatrixMan

rrApprentice

Oxford UK

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Quick question. Do you need to use the gasket on the muffler or can you put it on without it?

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09-04-2003 09:26 PM  14 years agoPost 2
RaptorPilot

rrNovice

Newbury Park, CA

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I'm assuming you mean the gasket that goes between the engine and the muffler. You do not need this gasket. I took it off and have had no problems since. I used a high-temp threadlock on the muffler bolts, then tightened them down again when the engine was warm after the first flight. There hasn't been any need to touch them since, and no leakage from the muffler. If you were previously using the gasket, make sure you clean off all the bits of gasket material from both surfaces to get a clean fit.

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09-04-2003 09:34 PM  14 years agoPost 3
helimechanic

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Surrey, England, UK.

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I tried gaskets and found they leak too easily,loosen up, and are a pain. I simply apply 24hr epoxy to both surfaces an screw together. Ready to fly in 24hrs and no leaks ever again if you do it well. Easy to take apart too.

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09-04-2003 09:47 PM  14 years agoPost 4
ppljr

rrApprentice

Dallas, TX (Grapevine)

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Gasket

Matrix Man,

The best thing to use is a high hemp silicone like Permatex RTV Silicone. It is an orange color and good for really high temps. It has saved my muffler from coming off once or twice. Just make sure you clean both the muffler and the engine mating surface to get a good bond.

Pedro

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