O.S. Engine 55HZ-R DRS Helicopter Engine  [OS-15650]

The 55HZ-R DRS engine is made to meet up with the unique demands of F3C competition and 3D journey!

• The need Regulator System (DRS) makes use of force to consistently deliver the perfect air-fuel mixture to your motor — whatever the heli's mindset
• Two needles on the carburetor exactly adjust center and extreme rates
• a hole within the cover dish allows for mounting a sensor of Futaba^®'s GY-701 governor, to guarantee more stable journey
• Cranks out 2,000-20,000 rpm

REQUIREMENTS:
Inventory Number: OSMG1957
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
Weight: 15.1 oz (429 g)