Flying-Hobby
O.S. Engines 91 HZ-R 3D Speed Helicopter Engine (Black)
| FEATURES | Designed for all-out 3D competition |
| Fuel | 10%-30% nitromethane with at least 18% lubricant. Lubricants |
| Field Equipment | glow starter, fuel bulb, fuel can filter, fuel pump |
| Displacement | 0.91cu in (14.9cc) |
REQUIRES:, SPECS:, Bore:, Stroke:, Output:, Practical RPM Range:, Weight (w/o Muffler):, Crankshaft Size:, Height from crankcase bottom to top of cylinder head:, Height/bottom of mounting tab to top of cylinder head:, Distance between mounting holes same side:, Distance between mounting holes opposite side:, Distance between muffler screw holes:, Distance/bottom of mounting tab to muffler screw holes:, Length from front bearing to backplate:, Length from backplate to end of crankshaft:, Width of crankcase below mounting tabs:, Width between mounting tabs:,
165° exhaust timing for optimal horsepower and stable hovering Newly designed combustion chamber shaped to match the big bore carburetor and advanced exhaust cylinder timing Big Bore carburetor is designed to develope stable horsepower at 70-80% throttle which is widely used in 3D flight
may be either castor or synthetic oil or castor/synthetic blend.
hexagonal starting shaft (depending on brand of helicopter)
electric starter, battery and fuel tubing
Muffler-Depending on heli
Check price and availability
Found 10 years, 8 months ago