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HelicopterEngines Plugs Mufflers Fuel › TT Redline 53 problem, any others out there?
07-07-2008 05:07 PM  9 years agoPost 1
reiserrob2003

rrVeteran

Brockton, MA.

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I took my time breaking it in, I always clamp the fuel line after a day of flying to burn extra fuel out of the engine, I use after run oil when I know the motor will sit for a while. And still, after two gallons of Powermaster 30% my motor began to make the terrible wrapping noise like my OS 50 hypers used to make when the bearings were on their way out. I disassembled my motor last night and spun the crank while exerting outward force on the rear bearing and it seemed smooth, I noticed a little end play in the crank and seems like a little more play on both ends of the connecting rod bushings than I would've expected but other than that everything seems fine. I checked the muffler and airframe and everything is perfect. Any suggestions?

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07-07-2008 05:12 PM  9 years agoPost 2
excellone

rrApprentice

Arlington, Virginia

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Look for loose clutch or fan components.

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07-07-2008 05:40 PM  9 years agoPost 3
reiserrob2003

rrVeteran

Brockton, MA.

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I did, they were all tight

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09-23-2008 10:33 PM  9 years agoPost 4
stg099

rrNovice

Chicago, Il, USA

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I just ran into this issue as well. I changed fuel and the rattle got worse, and after tearing the heli apart, and tearing the engine down, it was still there. Turns out that the engine was simply lean on the idle screw, and I backed it out a half tun and the noise stopped. From what I understand it was causing pre-detonation, and that's what the noise was. It's been quiet since I richened the idle screw, and is now making better power than before.

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10-03-2008 01:21 PM  9 years agoPost 5
steve 01

rrProfessor

Grand Rapids MI

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Mine had a rattle that sometimes would go away then come back I replaced the inner bearing and things are silent again PS my bearing felt good as well but when i took it out of the case it fell apart

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HelicopterEngines Plugs Mufflers Fuel › TT Redline 53 problem, any others out there?
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