Stock Code L-OS18641
OS Engines
RRP: £394.99£369.99Delivery time: 1-3 working days |
Overview
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. Introducing the 91HZ-R Speed Engines - based on the 91HZ-R, factory-tuned at the O.S./Japan facilities and guaranteed to blow you away! The 3C version is designed expressly for F3C competition with its controlled, precise maneuvers in mind. For pilots who prefer aggressive, stick-bashing 3D flight competition, O.S. offers a 3D version.Features
- Lightweight, machined heatsink head
- Big-bore carburetors 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 backplate shape, to accommodate Futaba's BPS-1 RPM Sensor and increase primary pressure for greater stability
Specification
| Displacement: | 0.91 cu in (14.9cc) |
| Bore: | 1.09in (27.7mm) |
| Stroke: | 0.98 in (24.8mm) |
| Practical RPM: | 2000 - 16500 |
| Weight: | 21.2 oz (603g) |
| Power Output | 3.5PS @ 15000RPM |
