Synergy Helical Pinion Hard Coated (27T)
This is a factory replacement 27T Helical Pinion Gear, and is used for the Tail Drive Gear on the Synergy 766 helicopter. By default the 27T gear provides an effective tail rotor gear ratio of 4.7:1, suited for headspeeds between 1900-2150 rpm. Additionally at this gearing, you can comfortably run up to 116mm tail rotor blades for increased tail authority.
