B150i UAV EFI Engine System
Summary Specifications
| Engine Type: | Forced air-cooled 2-stroke twin |
| Displacement: | 150 cc (9.15 ci) |
| Weight: | 4.3 kg (9.48 lbs) |
| Power (7000 RPM): | 7.5 kW (10 hp) |
| BSFC (5000 – 7000 RPM): | 470 g/kW-hr (.78 lb/hp-hr) |
| Fuel Type: | Gasoline, 50:1 Premix |
The key features of this system are:
- Low Vibration: Opposed twin layout for greatly reduced primary vibration
- Reliability: Four-bearing crankshaft and high rod/stroke ratio for reduced stress
- Flexibility: Dedicated PTO, dual spark option, side induction.
- Compatibility: Readily integrates with flight control systems; available with Currawong ECU or Power4Flight IntelliJect EFI.
Data sheet:
B150i EFI engine
Engine power vs RPM at different throttles shown in black/grey. Sample propeller power curve shown in blue.