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HomeAircraftHelicopterBergen R/C Helicopters › How to attach Bergen torpedo muffler?
02-12-2006 12:52 AM  12 years agoPost 1
PaulH-MA

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Boston, MA

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My problem is pretty much as the title states. I have one of the "rare" Bergen torpedo mufflers on my gasser. It uses a pair of studs that go into the engine head. The muffler fits over the studs, then a lockwasher and nut is threaded on to each stud.

I have tried everything that I can think of, and they still vibrate loose. Is there a "correct way" to mount this piece that I am not aware of?

Thanks...

--Paul

TREX 450
Bergen Intrepid Gasser x2

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02-12-2006 12:59 AM  12 years agoPost 2
Gary Travis

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Utah

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No secret to it, I have used the industrial lock tite on mine and haven't had a problem yey
Gary

Bergen R/C Helicopters Duralite Batteries DJI Innovations Magnum Fuels Wren Turbinesl

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02-12-2006 01:00 AM  12 years agoPost 3
z11355

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New England

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try Nordlock lockwashers.

available from Rick's or mcmaster.

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02-12-2006 01:19 AM  12 years agoPost 4
PaulH-MA

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Boston, MA

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Industrial loctite? What's that? I have blue, red, and a purple gasket sealer, all made by loctite, and all in a "glue stick" style container.

Are you talking about green?

--Paul

TREX 450
Bergen Intrepid Gasser x2

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02-12-2006 02:08 AM  12 years agoPost 5
v22chap

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Granger, Indiana

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Paul
I clean up holes ,bolts,and nuts with alcohol and then use red RTV silcone gasket maker and it holds fine.
Larry

Larry C ----------Bergen R/C helicopters

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02-12-2006 02:12 AM  12 years agoPost 6
Gary Travis

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Utah

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Lock tight 567 I found it at a local plumbing suuply house, it holds up to 350 degrees. Acouple years ago I found it to be the way most companys were secureing the muzzel brakes on AR15 rifles.
Gary

Bergen R/C Helicopters Duralite Batteries DJI Innovations Magnum Fuels Wren Turbinesl

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02-12-2006 02:22 AM  12 years agoPost 7
TOP CAT

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London ,Ontario Canada

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Paul As Larry C has suggested RTV silcone is nice to use and holds very well. After cleaning the muffler and muffler port on the engine, put just a little silicone on each part and let it skin over, about 10 to 15 min.When you attach them together tighten snug and let set for at least 4 to 8 hrs. After the first flight re tighten the nuts again and the muffler should stay untill you take it off again.After the silicone sets you can trim off any excess to make it look clean.
Tom

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