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HelicopterEngines Plugs Mufflers Fuel › os 50 hyper question
12-25-2008 05:47 PM  8 years agoPost 1
datidun

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N Ireland

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merry xmas ,just a question on os 50 hyper ,noticed on one of my os engines every flight i have had i noticed a lot of black oil ,on the inside of landing gear just under the hyper head olso a bit spattered in the inside of the canopy ,i checked the head and all screws are tight ,thanx.

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12-25-2008 05:50 PM  8 years agoPost 2
george0079

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USA

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muffler....

Either the bolts are loose, or you need a gasket/RTV seal.

Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!

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12-25-2008 06:28 PM  8 years agoPost 3
bah7566

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Colorado

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Yes, black usually indicates metal on metal.

I am a Heli addict!!!

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12-25-2008 11:26 PM  8 years agoPost 4
datidun

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N Ireland

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checked the muffler ,which is tight and has a gasket no leaks must be the head

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12-26-2008 12:14 AM  8 years agoPost 5
bah7566

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Colorado

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What heli is it mounted in? I used to have a Stinger 50 that has a frame like the Raptor and the head would rub on the frame and make the front landing gear black where the canopy clipped to it. It was a plastic frame but the rubbing on the head caused the blue to rub off and made a black residue when it rubbed.

I am a Heli addict!!!

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12-26-2008 12:41 PM  8 years agoPost 6
datidun

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N Ireland

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its a raptor 50 v2

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12-26-2008 01:18 PM  8 years agoPost 7
pH7

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Sterling Heights, MI​- USA

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Many OS 50 Hypers mounted in a Raptor 50 will rub slightly on the frame. It will rub off some of that beautiful blue anodizing and a lot of the black frame. This is so common it has a nickname, "Raptor Rash". The fine black powder mixes with the oil mist that is always present and makes an ugly black oil deposit on the white skids. This may not be your problem, but one of my 2 Raptors with Hypers has this problem.

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