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HomeAircraftHelicopterBeginners Corner › 600n muffler
04-21-2011 03:35 AM  7 years agoPost 1
Heli0228

rrApprentice

Ripplemead, Va

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The muffler that came with my 600n pro keeps coming unsecured from the motor. I have a OS hyper 50 but I can't keep the muffler on it, any one had this problem? It finely fell off in flight, I have tried many thing to keep it on, also any one ever use that rolled gasket material for the muffler gasket?

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04-21-2011 02:52 PM  7 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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Start with a set of new bolts as if you over tighten them they loose their spring.

Discard all gasket material and clean the surfaces.

Install the muffler, warm up the motor/pipe in hover for a minute or so.

Snug (not ham fist) the bolts while the motor is warm.

Andy
AMA 77227
http://www.jaxrc.com

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04-21-2011 05:26 PM  7 years agoPost 3
wifeorheli

rrElite Veteran

reno, nevada usa

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^+1 barracuda^ what muffler comes with the 600n? Can you put nutz on the end of the bolt like a mp5? Thats the ticket!

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04-21-2011 06:53 PM  7 years agoPost 4
helismash

rrKey Veteran

Gloversville, NY - Fulton

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I had the same issue with my Align pipe. A little loctite, new gasket and snug it up when it was warm and it all went away!

Hey, Who put the ground there!
T-Rex 500/T-Rex 600N FBL/T-Rex 600E PRO/T-Rex 700N/T-Rex 700FBL

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04-21-2011 07:46 PM  7 years agoPost 5
BarracudaHockey

rrMaster

Jacksonville FL

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Locktite liquifies unless you're using the stuff for headers, you don't use it on muffler bolts.

Makes a great screw lubricant when it gets hot though.

Andy
AMA 77227
http://www.jaxrc.com

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04-22-2011 12:11 AM  7 years agoPost 6
Eagle2bravo

rrVeteran

Out flying somewhere

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Yeah.. I would not use locktite. New bolts and gasket, then tighten when hot. Works well for me everytime.

T-rex 600n super pro , Trex 450 se, Gaui 200, Trex 500, Blade cx, . "If ya plant corn, ya get c

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04-24-2011 07:26 AM  7 years agoPost 7
stanley

rrNovice

javea spain

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T Rex 600 pipe mod
After my Hatori stripped its threads I got a lenght of M3 stud from our local hardware store and a box of M3 nylock nuts
cut the stud at the same lenght as the origonal allen screws * leaving just over a M3 nuts width on the new stud with the exaust off the heli pass the new studs through the flange screw the nuts onto the thread flush with the end of the stud pass the pipe through the exsaust flange on the motor then an M3 nylock nut on each stud and tighte this has worked for me with no loose pipes in over 4 years of flying (not including pipes flattened ripped off etc on ahem heavy landings) hope this may help

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