RunRyder - motor gearing help

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e-HeliDirect Outrage - HDX 300-600 > motor gearing help

lypo
Heliman
Location: dade city florida usa

I have a HDX500 stock motor 850KV 94 tooth main using to EVO 25c 2170 batterys what motor gear for sport flying no 3D

02-05-2008 11:55 AM

Ticidytoc
Senior Heliman
Location: Los Angeles, Ca.

What voltage?

;o)

02-05-2008 05:19 PM

lypo
Heliman
Location: dade city florida usa

11.1V

EVO 25c 11.1V 2170ma

02-06-2008 11:53 AM

Ticidytoc
Senior Heliman
Location: Los Angeles, Ca.

Thats not going to be a good combination, esp. with a 850kv motor. you would need to run a 26 or 27 tooth pinion to get a decent headspeed, current draw will be high and your motor will not be happy spinning at 9000 rpm.

;o)

02-06-2008 04:35 PM

bigdog714
Senior Heliman
Location: Chardon, Ohio U.S.A.

If you have two 3S lipos I would run those in series with a 12t, or 13t pinion, if you go to ReadyHeli.com there is a head speed calculator

QJEP8v2EX
Align T-Rex 600EP
Align T-Rex 600N
EVO 90

02-07-2008 03:16 AM

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e-HeliDirect Outrage - HDX 300-600 > motor gearing help

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