View Full Version : Gear ratio OS 91SZ-H Raptor 90SE
Helio Addict
02-04-2008, 01:57 PM
I'm using Radix 710's. What is the best ratio for hard 3D? I'm currently using a 11/93 (8.45.1)
Kinger
02-04-2008, 08:35 PM
8.27 is where I'd put that motor although TT team pilot swore by the 8.45.
raptorz499
02-10-2008, 06:30 AM
Yea the white gear (91 tooth) is the way to go....:YeaBaby: 1950 headspeed max. The max headspeed on the 93 tooth gray gear is 1890.
Raven_darkcloud
02-12-2008, 05:40 AM
Will that work good for 690's too? I like a quicker cyclic.
invrtd
02-17-2008, 01:38 PM
OS likes a lower ratio. Power band on the OS is around 15K so the 8.27 or 7.9 gear ratio would be better. If you want to run a high head speed around 1900 go with the 7.9.