91HZ-PS 3D Ring O.S. Engine  [OSMG1977]

The 91HZ Ringed Heli motor is an amazing player at heli tournaments international, and also this additionally latest variation takes 3D performance to a different level!

The redesigned regulator is placed horizontally, working together with the PD-08 gas pump it gives a reliable way of getting gasoline no matter helicopters mind-set or need on motor.
The piston and crankshaft are made to reduce vibration and enhance torque through the complete entire rpm range.
The slim profile towards heat sink head assists the 91HZ fit totally inside air-con shrouds without cutting or losing air-con energy,and a thermo insulator regarding the 61B-PII carburetor obstructs engine heat to make sure a well balanced fuel/air mix.
Includes in-flight needle value modification supply.

REQUIREMENTS

• Inventory amount: OSMG1977
• Displacement: 0.91 cu in (14.95 cc)
• Bore: 1.09 in (27.7 mm)
• Stroke: 0.98 in (24.8 mm)
• Practical rpm: 2,000-16,000
• power manufacturing: 3.4 hp @ 15,000 rpm
• bodyweight: 1.4 lb (635 g)
• Includes: 61B-PII carburetor, #8 radiance plug