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06-11-2013 01:17 AM  5 years agoPost 1
dodgeboy

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slidell, LA

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what the gear ratio that this kits come with ?
are there different pinions to change the gearing ?
what kind of head speed are you guys running with what comes with the kit?

Empire hobby, Gaui USA, OMG servos, Cyclone Blades

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06-11-2013 03:04 AM  5 years agoPost 2
Tony-V

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Fraser Mi

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the Nitro has a 8.4:1 ratio with the 126 tooth main
and a 8.0:1 ratio with the 120 tooth main

the pinion is 15 tooth but I think there are other options.

If you go to their web site tsamodel.com

and click on the products tab and the heli's it will give you all the specks for each heli

hope this helps

Tony V.

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06-11-2013 03:23 AM  5 years agoPost 3
dodgeboy

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slidell, LA

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am i reading the manual correctly ? does it come with 2 different main gears ? it says os-120 and ys-126

Empire hobby, Gaui USA, OMG servos, Cyclone Blades

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06-11-2013 06:09 PM  5 years agoPost 4
Tony-V

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Fraser Mi

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Dodgeboy, It comes with the 126 tooth main, but you can get a 120 tooth gear in is only needed if using the OS and want a very high head speed.

Tony V.

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06-11-2013 07:48 PM  5 years agoPost 5
dodgeboy

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slidell, LA

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i plan on using a os 105. so i need to get the 120 ??

sorry for all the questions guys, bear with me just a bit more

Empire hobby, Gaui USA, OMG servos, Cyclone Blades

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06-11-2013 08:28 PM  5 years agoPost 6
Tony-V

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Fraser Mi

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I'm running a YS 120, so I don't know for sure, but I believe the guys that run the OS are using the 120 for more head speed, I will try to confirm this for you.

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06-11-2013 09:03 PM  5 years agoPost 7
Tony-V

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Fraser Mi

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OK I asked one of the guys that runs a OS205 and this was his response.

"120 Main gear with the 105 at 2100 rpm is awesome"

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06-11-2013 09:44 PM  5 years agoPost 8
dodgeboy

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slidell, LA

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thank you very much Tony !!

Empire hobby, Gaui USA, OMG servos, Cyclone Blades

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06-15-2013 03:28 AM  5 years agoPost 9
helinewby

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Orlando Florida

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Gearing
It run extremly well with the OS 105 motor and the 120 main gear at 2100 rpm, 8.0 grear ratio! The overseas team are all running the YS 120 in there infusions... I personally run the 105 I am also testing the new Novarossi Icarus 91 :0)

Thx CB

Team TSA Models, Team YS, Team Spin Blades..

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