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

The 91HZ Ringed Heli engine is a substantial player at heli tournaments global, and also this also latest variation takes 3D performance to a different level!

The redesigned regulator is placed horizontally, working together with the PD-08 fuel pump it provides a reliable means of getting gasoline regardless helicopters mind-set or need on engine.
The piston and crankshaft are made to reduce vibration and enhance torque through the whole entire rpm range.
The slim profile towards heat sink mind 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 be sure a well balanced fuel/air mix.
Includes in-flight needle value modification supply.

SPECIFICATIONS

• Inventory quantity: 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 production: 3.4 hp @ 15,000 rpm
• body weight: 1.4 lb (635 g)
• Includes: 61B-PII carburetor, #8 radiance plug