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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › O.S. Max 105HZ-R DRS
06-11-2013 12:30 AM  5 years agoPost 1
dodgeboy

rrApprentice

slidell, LA

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hey guys i have a question about the proper fuel for this motor. im going to be putting this in a TSA 90. i live at sea level and i'm curious to know what would be the best fuel to use. i have a NX4 with the little os37 that i run 30% with no issues. just want to make sure i use the correct fuel. i have heard i should use 22% then other people told me 30% is fine.
im new to the nitro scene so i just dont understand the different % and what they do.

thanks
mike

Empire hobby, Gaui USA, OMG servos, Cyclone Blades

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06-11-2013 01:21 AM  5 years agoPost 2
JayL

rrVeteran

Leesburg GA

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Ive been running cp20 for about a year now with no issues and the humity is high here also it has good power I believe if u shim the head u can run 30 without issue. I would run what ever u can get easily.

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06-11-2013 02:23 AM  5 years agoPost 3
dodgeboy

rrApprentice

slidell, LA

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cool. i just downloaded the manual and it says its ok to run 30% if i add a shim. so thats the way im gonna go.

Empire hobby, Gaui USA, OMG servos, Cyclone Blades

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06-11-2013 04:38 AM  5 years agoPost 4
Wesley-G

rrApprentice

Elmont NY

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The 105 runs better on 22.5 or 15% on 30% you will have a hard time finding a good needle setting for the changing level of fuel in the tank
so if possible run lower nitro with the one shim already installed on the motor.

Team Minicopter-Team MKS-Team Byron fuels-Team Pulse Batteries

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06-11-2013 04:48 AM  5 years agoPost 5
NQNA

rrElite Veteran

USA

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I run 30% Morgan.. Runs Great.. with the one shim.

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06-11-2013 05:50 AM  5 years agoPost 6
Wesley-G

rrApprentice

Elmont NY

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Have you tried 22.5 or lower, 30 is ok but if you want to see consistency lower nitro is your best option.

Team Minicopter-Team MKS-Team Byron fuels-Team Pulse Batteries

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06-11-2013 06:11 AM  5 years agoPost 7
NQNA

rrElite Veteran

USA

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Both mt 91 and 105 reallt run vreat on 30% and I really want the power ... Lol

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