Advanced EFI Drone Propulsion Solutions for Military & Defense Applications
DA70 70cc EFI UAV engine for rugged military applications
DA70

70cc EFI UAV engine for rugged military applications

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DA70

The INF Inject DA70 is a compact 70cc UAV engine built from CNC-machined 6061 and 7071 aluminum, offering a rugged, lightweight solution ideal for tactical and ISR-class unmanned systems. INF Inject’s electronic fuel injection (EFI) system delivers up to 65% improved fuel efficiency, with automatic altitude compensation and overheat protection to support consistent engine performance in varied and demanding environments.

Designed for mission-critical operations, the DA70 supports 24V and 48.5V starter/alternators to power avionics, provides full engine telemetry via TTL 9600 baud, and integrates easily with military-grade autopilot systems. Automatic throttle control, pre-shipment calibration, and onboard SD card data logging ensure reliability and simplified field deployment.

Specifications:

Weight 1950g (4.3 lbs)
Engine Displacement 70cc
Input Voltage 16.8 – 22.2V
Output Power 4 kW (5 HP)
Operating RPM 1750 - 8000
Max Altitude 3660m (12,000 ft)
Fuel Type 40:1 Synthetic 2-Stroke
Service Interval 250h
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