The DA 120 EFI MIL SPEC UAV Engine from HFE International is a 121 cc military-qualified engine incorporating an electronic fuel injection system proven in service across more than 700 aircraft and over 67,000 combined flight hours. Tested to 20,000 ft altitude and temperatures from –10 °F to 120 °F, the system meets the majority of MIL-STD-810 laboratory procedures, demonstrating its durability in diverse operational environments.
A 500 W starter-alternator option is available, driving directly from the crankshaft, and can be paired with a 500 W power management unit (PMU) with integrated starter controller for remote starting capability. The PMU provides outputs of 24–28 VDC at up to 350 W, 12–15 VDC at up to 108 W, and 4.8–8 VDC at up to 42 W. The system is compatible with LiIon, LiPo, LiFePO4, SLA, NiCad, NiMH, and lead acid batteries. Custom alternator configurations are available upon request.
Specifications:
| Power: | 8.7 kW, 11.7 hp |
| Weight (Engine with Intake): | 2.25 kg, 4.95 lb |
| Weight (ECU): | 70 g, 0.15 lb |
| Weight (Fuel Pump Box): | 400 g, 0.88 lb |
| Standard Operating Speed: | 1,200 to 6,800 RPM |
| Voltage: | 10 V to 15 V |
| Power Draw: | 1 Amp peak, 1 hour/1,000 mAh |
