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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS Hyper 50 Needle Settings
07-31-2007 12:44 AM  13 years ago
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rrApprentice

Central , Queensland, Australia

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OS Hyper 50 Needle Settings
I have a Hyper 50 and the needle settings seem to be a little out but the engine running good. My main needle is a liitle over 2 turns out and the idle is about half three position. I have just replaced the bearings in the motor and so started the main at 1.5 as they say in the book, when hovering it seemed OK but when doing climbouts and fast forward flight (with the throttle above midstick) the motor went into a lean mix then the motor started to really high pitched, I got it back on the ground OK then richened it a little thinkin this is way to rich as per manual but its good now but the needles seem to be a bit out. Clunk lines have been replaced, no debris in the carby and the fuel is Coolpower purple oil with 20% nitro. My field elevation is 700feet AMSL. I don't have any idea why the setting are like this, can anyone help me out. Thanks Guys.
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07-31-2007 12:57 AM  13 years ago
airdodger

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Johnston USA

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You run the engine where it is happy, needle settings will vary.Chris
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07-31-2007 01:06 AM  13 years ago
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rrApprentice

Central , Queensland, Australia

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So airdodger you think there is nothing to worry about then.
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07-31-2007 01:42 AM  13 years ago
airdodger

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Johnston USA

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Sounds like to me, you have a handle on it.Chris
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS Hyper 50 Needle Settings
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