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HelicopterEngines Plugs Mufflers Fuel › What TEMP to run OS 91 C-spec
03-30-2005 04:00 AM  13 years agoPost 1
mr-inverted

rrNovice

Calhoun, Ga.

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HI,
I have a Os 91 c-spec and running 30% fuel. My temp now is 161.4 how much higher do I need to go. I smokes like crazy, but I was told that 30% smokes bad anyway. I have two needles on the c-spec, well three if you count the idle needle. How do I need to adjust the two needles? And what is eah needles purpose? ( high end, hover, low end ETC).
Please help

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03-30-2005 04:37 AM  13 years agoPost 2
Fredrik R

rrApprentice

Habo, Sweden

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And what is each needles purpose? ( high end, hover, low end ETC).
You are right on it

I usually run my engine around 60-90 Celsius. Don't know what it is in F. Cause it's in Fahrenheit you mean?


Fredrik

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