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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › How can I fix this?
10-27-2006 04:20 PM  11 years agoPost 1
pilotheli

rrNovice

Montreal, Canada

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Hi guys,

Does any of you know if the muffler will still hold with this broken mount or how to fix it, JB epoxy or another method?

Tks Pilotheli

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10-27-2006 06:12 PM  11 years agoPost 2
Gary Jenkins

rrElite Veteran

Nowhere, US

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Maybe a welding shop can fix it.

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10-27-2006 06:22 PM  11 years agoPost 3
nivlek

rrProfessor

Norfolk England

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I've seen great results with Technoweld , my father uses is quite often . Basically you should be able to build up the damaged section and then file it level and tap out a thread .

http://www.technoweld-fusion.com/english/index.htm

At the end of the day , it gets dark .

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10-27-2006 08:15 PM  11 years agoPost 4
AlanR8

rrKey Veteran

Saddleworth near Manchester (UK)

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In the magazine Model Helicopter World, I'm sure one of the contributors, John Bottomley, had a similar problem and built up the area with JB Weld.

Other option is a new crank case or motor!

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10-27-2006 09:08 PM  11 years agoPost 5
MichaelP

rrKey Veteran

Northumberland UK

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If you know someone with a mig welder they should be able to rebuild the area then carefully drill out a new bolt hole.

http://www.webstarts.com/micksscalehelicopters

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10-28-2006 02:12 AM  11 years agoPost 6
2LTime

rrKey Veteran

Walworth,NY

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Cheapest way is to get a piece of aluminum slightly longer than the distance between the two bolt holes. Drill holes in it at the same spacing as the original holes. Put it on the non-exhaust side of the motor and use longer bolts straight through to the muffler. Basically it looks like a clamp on the cylinder but it works and is cheap.

Jeff

If you can't learn to do it well, learn to enjoy doing it badly.

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10-28-2006 03:54 AM  11 years agoPost 7
AirWolfRC

rrProfessor

42½ N, 83½ W

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Find (or make) a 3mm "U" shaped muffler clamp and just bolt your muffler back on.

Or maybe just a metal strap of proper length to go around the cylinder with a 3mm hole at each end to go under the heads of the regular muffler bolts.

wolfgang

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10-28-2006 02:05 PM  11 years agoPost 8
airdodger

rrElite Veteran

Johnston USA

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10-28-2006 11:51 PM  11 years agoPost 9
Flyon

rrApprentice

Auburn, California

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Alumaloy: http://www.alumaloy.net/

Never tried it myself but have heard it works well. If you try it, let me know how it works.

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