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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › OS 105 with Power boost
11-24-2019 06:45 PM  21 days ago
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uglyrider0078

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Natick, MA

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OS 105 with Power boost
It's been a long time since i've tune a nitro engine can anyone please tell me their needle setting mine's is way too rich..
Edit i'm using 20% nitro fuel
Team Miniature Aircraft
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11-24-2019 07:20 PM  21 days ago
RappyTappy

rrProfessor

Encinitas, CA

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Too rich?
Turn the needles in then.

This has already been covered
https://rc.runryder.com/t752010p1/
Still buyin' and flyin' then crashing and cryin'
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11-24-2019 08:01 PM  21 days ago
philthewrench

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Greenwood Lake NY

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Why do you say it's to rich? Like blubbering dripping fuel rich or just not getting the power you want?
One man's needle setting will make another man's blown motor.

Phil
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11-24-2019 09:09 PM  21 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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/
/

If you feel, motor is "rich", Then beging closing high needle.

Be careful! Did you change your glow supplier?

Beging With Three click at a time, Till you feel motor is ok... For you.

No recipe Here.

/
Saludos cordiales,
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11-24-2019 10:39 PM  21 days ago
uglyrider0078

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Natick, MA

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Thanks guys for replying, it's a new engine i blew up the first one
so this is the second one i'm using it's rich because the power is lacking
i mostly fly gassers and their a lot easier to tune
Team Miniature Aircraft
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11-25-2019 07:15 PM  20 days ago
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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There are a ton of YouTube videos on tuning nitro.

Watch at YouTube

Watch at YouTube

OS engines are some of the easiest to tune.
And, the OS manual for the motor gives you that starting points for the 3 needles.
Those starting points are going to be way too rich for normal operations. But, they won't burn out the motor.

If you fly fixed wing "gassers", then you have 2 problems right off the bat:
* You are flying a helicopter now. Regardless of gasser or nitro, they are going to be a different tuning process from a fixed wing.
* You are flying nitro now. Again, nitro requires a different skill set from gas.

Teaching how to tune a nitro on a forum is kind of tough. But, find some videos. And, find a local guy to be your nitro-mentor.
+ > ÷
Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!
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