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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
please Do Not use hand or tool to turn output gear directly when power is on or off
Dimensions: 64x26x9mm
MANUAL: CLICK HERE
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O.S. 55HZ-R DRS Ringed .55 Helicopter Engine EST25 SAB Blades please Do Not use handThe 55HZ R DRS engine is designed to meet the unique demands of F3C competition and 3D flight! The Demand Regulator System (DRS) uses pressure to consistently deliver the optimal air fuel mixture to the engine regardless of the heli's attitude Two needles on the carburetor precisely adjust middle and high speeds A hole in the cover plate allows for mounting a sensor of Futaba's GY 701 governor, to insure more stable flight Cranks out 2,000 20,000 rpm
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