Following the popularity of the 91HZ-R with on-demand regulator, O.S. has now taken high-performance, high-speed helicopter engines to the next stage of evolution.
Features:
Lightweight, machined heat sink head
Big-bore carburettors best-suited for the intended use (F3C or 3D)
Best precision advanced exhaust cylinder timing (for F3C or 3D)
Newly designed combustion chambers, shaped to match the big bore carburetors and advanced exhaust cylinder timing
Lightweight, forged steel crankshaft counter weight to lower vibration for higher speeds
Improved back plate shape, to accommodate Futaba's BPS-1 RPM Sensor and increase primary pressure for greater stability
The cover plate has a cell to accept a sensor designed to install in the cover plate from Futaba GY701 / CGY750 Governor
Technical Specifications:
Displacement: 14.95cc
Bore: 27.7mm
Stroke: 24.8mm
Output: 3.6ps/15,500RPM
Practical RPM Range: 2,000-16,500
Weight: 603g
Package Includes:
Engine Pack O.S. Speed Tuned .91HZ-R Helicopter Engine with Pump, 61G Carb
