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HelicopterMain Discussion › new fuel changed all please help
03-19-2009 04:47 PM  8 years agoPost 1
datidun

rrKey Veteran

N Ireland

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hi i had to change fuel cause of no stock from supplier,the new fuel is rapicon 20 percent ,both my helis have os 50 hyper ,now with the new fuel the engines run so much cooler but i just cant get them tuned,they start well and idle well ,starting on norm mode with the raptor the tail kicks from side to side making an on and off sound ,almost like missing sound when the sound comes the tail kicks ,main needle stands at 1 full turn and a quater ,idle needle stands at 12 o clock if you look from the side,followed expert advise they said make the idle leaner slightly leaner ,thats when it was around factory setting,today was set at 12 position ,and its still kicking and making the sound ,i have changed all the tubing .plug,changed the rear bearing in engine ,the backplate is cool can keep my finger on all day ,it tends to be much worse in norm mode any help appreciated,thanx

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03-19-2009 05:17 PM  8 years agoPost 2
tasmanian devil

rrApprentice

DeSoto,Tx.

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Fuel

I would go to a different fuel.But first take high speed needle out and pump some fuel through,then put needle back in,adjust it close enough to start.Crank it up and tune it some and try it again.

I do'nt crash,I just rearrange parts.

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03-19-2009 06:34 PM  8 years agoPost 3
datidun

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N Ireland

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thanx will try that ,also when starting the booms supports are buzzing getting more vibration at idle through to the blades its hard to say is it caused by the new clutch,i will take off the govener

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03-19-2009 06:37 PM  8 years agoPost 4
Rogerm069

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New Albany, PA USA

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Check the belt!

Growing old is mandatory, growing up is optional

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03-19-2009 10:22 PM  8 years agoPost 5
oballzz

rrNovice

lilburn ga usa

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You need to set carb up without gov,get it running right first.The buzzing noise can tight clutch.Factory setting on low needle is 90 degress,the total range 180,you may need to turn it clockwise 4 to 5 degrees and go back to factory setting on high end 1 1/2 out.hover lean high if need to,a couple of clicks try it again,hard to say what exactly, high needle will be,without being there.that should make a difference.if you need more help write back.thanks

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HelicopterMain Discussion › new fuel changed all please help
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