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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Exhaust note buzzing
10-17-2020 09:38 PM  5 months ago
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mccoy

rrNovice

parlin,N.J. USA

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Exhaust note buzzing
when running my O.S..61WC 20% fuel I get some buzzing in the exhaust note at hover.its not consitent its intermitent.like its inbetween rich and lean. Auy advice
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10-18-2020 12:08 AM  5 months ago
helitom

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Pine Grove, Calif, USA

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First of all make sure the muffler is on really tight. Next try fattening up the mixture a couple of clicks; if no joy there try leaning a couple of clicks. Finally if still no joy, check out the fuel line pluming especially inside the tank. My last suggestion would be to try a new glow plug.The older I get, the fewer things seem worth waiting in line for.
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10-18-2020 09:42 PM  5 months ago
JuanRodriguez

rrProfessor

The Villages, Florida

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💎Sustaining Member
May be a sign that the rear bearing is on its way south ....Been there, done that and old enough to know better.....
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10-19-2020 01:26 AM  5 months ago
Rojoalfa

rrKey Veteran

Punta de Mata, Monagas-Venezuela

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Agree with that... Bearings...

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Saludos cordiales,
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Exhaust note buzzing
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