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

O.S. Engine 91HZ-PS 3D Ring
Price:
AUD$612.18
Brand:
O.S. Engine
Model:
OSMG1977
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O.S. Engine made 91HZ-PS 3D Ring (OSMG1977) Helicopter Engines Engine / Glow Plug

An established powerhouse...made better!

The 91HZ Ringed Heli Engine is a significant player at heli tournaments global, and also this newest version takes 3D performance to some other level!

The redesigned regulator is placed horizontally, working together with the PD-08 fuel pump it provides a reliable way of getting fuel regardless of helicopters attitude or need on motor.
The piston and crankshaft are designed to reduce vibration and enhance torque throughout the entire rpm range.
The slim profile regarding the temperature sink brain assists the 91HZ fit totally inside air conditioning shrouds without cutting or losing air-con power,and a thermo insulator concerning the 61B-PII carburetor obstructs engine temperature to make sure a well balanced fuel/air mix.
Includes in-flight needle value adjustment arm.

SPECIFICATIONS

  • Stock Number: 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
  • Energy Output: 3.4 hp @ 15,000 rpm
  • Weight: 1.4 lb (635 g)
  • Includes: 61B-PII carburetor, #8 radiance plug

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