B50i UAV EFI Engine System

B50i EFI Engine System Overview

The B50i UAV Engine is the newest two stroke engine system co-developed by Currawong and Power4Flight, beginning production in June 2016.

Summary Specifications

Engine Type:  Air-cooled 2-stroke single
Displacement:  49.9 cc (3.0 ci)
(*) Weight:  3.0 kg (6.6 lbs)
Power Output:  2.9 kW (3.9 hp) @7000 RPM
Fuel Consumption @ cruise:  450 g/kW-hr (.74 lb/hp-hr)
Generator output:  250W (500W intermittent duty cycle)

Data sheet:

Based on the Desert Aircraft DA-50, it features a custom throttle body and inlet manifold and utilizes Currawong’s mature electronic fuel injection system. Incorporating engineering design proven on Currawong’s Corvid-29 engine system, the Corvid-50 will deliver reliable and efficient performance across the range of operating parameters.
The Corvid-50 system will include all components for integration into the aircraft, including the base engine, exhaust, induction and throttle system, ignition unit, ECU, fuel delivery and injection system, sensors and optional generator and power supply.

B50i EFI UAV Engine

B50i Electronic Fuel Injected UAV Engine

B50i EFI Engine Performance

B50i Engine Performance