55HZ-R WITH REGULATOR SYSTEM | 15650

DRSThe 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 fligh
• Cranks out 2,000-20,000 rpm

• Displacement: 0.55 cu in (8.93 cc)
• Bore: 0.91 in (23 mm)
• Stroke: 0.85 in (23.5 mm)
• Practical rpm: 2,000-20,000
• Output: 2.1 hp @ 17,000 rpm
• Weight: 15.1 oz (429 g)

• Hatori Muffler as an option