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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Needle setting on OS50 Hyper.
11-02-2004 10:13 AM  13 years agoPost 1
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rrApprentice

ShaTin, Hong Kong

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My 50 hyper has around 3 gallons through it so break-in is almost finished and I want to know whether I am on the right track.
I have set needles,
Low mixture needle: 11:00 (factory setup: 12:00)
High needle: 1turn and 5click opened from full closed position.
Engine is just warm and plenty of smoke with CP 30%
Please, share your setting.
TIA

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11-02-2004 10:46 AM  13 years agoPost 2
brian chan

rrApprentice

Hong Kong

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Hi,

My high speed needle is 1 turn and a quarter. If it is at 1 turn, it will have plenty power but too hot too.

Your Evolution is great. I think you can put another bearing block on the transmission rod for the tail belt. Use 3 bearings instead of 2

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11-02-2004 11:12 AM  13 years agoPost 3
Darksider

rrKey Veteran

Derby United Kingdom

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have to agree with brian, on the hyper my high needle came out being quite a bit further out than my old sxh, mine is around 1 and a quarter turns on 30% magnum fuel.

Gareth

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11-02-2004 04:28 PM  13 years agoPost 4
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rrApprentice

ShaTin, Hong Kong

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I was going to buy 3rd bearing block but was not in stock.
Seems it is just OK without it. BTW, it's cheap so I will get it once it is available.
Guess 1&1/4 turn is everyones vote. how about low needle?
Thanks.

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11-02-2004 04:58 PM  13 years agoPost 5
Vigor3DFX

rrVeteran

Oakthorpe, Midlands, UK.

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My low needle is just rich of stock,
sorta quarter to 12.

High end is 1,25 and maybe 2 more clicks.

MP2 and enya#4 magnum 20

Tony

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11-03-2004 06:44 PM  13 years agoPost 6
Evil_Homer

rrVeteran

Cubbington, Warwickshire, United Kingdom

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YOu noted 3 gallons through and only just running in now, how many gallons does it normaly take to run in a 50, reason i am asking is i have just purchassed my fist 50, a hyper as well and would prefer to take it easy before i damage it.

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11-05-2004 05:17 AM  13 years agoPost 7
Jason WAI

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Hong Kong

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I've just installed Hyper ,too. Still " running in ", just finished half gallon.

I would run it a little rich for the first 30 flights and then start to lean it a bit .

about 2 turns main needle now and about 3 - 5 degree clockwise apart from the factory setting

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