The DF70 is a high-performance 4-stroke twin-cylinder UAV engine designed to military specifications for the aerospace market. Suitable for both VTOL and fixed-wing unmanned aircraft, the engine offers superior fuel economy, quiet running and excellent starting reliability.
With a capacity of 70cc and a power output of 4.2kW, the DF70 also features a boxer configuration for minimal vibration, as well as rotation options for either pusher or tractor configurations. A “limp home” mode offers the ability to run the engine on just one cylinder.
| Capacity | 70cc |
| Speed Range | 2000 to 10000 rpm |
| Power (JP8) | 4.0 kW (5.4 hp) at 8500 rpm |
| Fuel Consumption (JP8) | 330g/kW.hr (0.54 lb/hp.hr) |
| Weight (complete assembly) | 3.0 kg (6.6 lbs) |
| Time Between Overhaul (VTOL) | 250 hrs |
| Time Between Overhaul (fixed-wing) | 500 hrs |
