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EFI engine solutions for UAV powerplants

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UAV Engine Products

UAV Engines

Power4Flight, in partnership with Currawong Engineering and Cobra Aero, specializes in the development of small engines and small UAV engine systems and accessories for applications that require high power density, unsurpassed reliability and durability, and light weight. Many of Power4Flight’s products find use in powering unmanned aerial vehicles (UAVs) but there are many other applications for theses compact power sources.
Corvid 29 EFI Engine
Power4Flight B29i EFI UAV Engine

Power4Flight IntelliJect EFI

IntelliJect is an electronic fuel injection system designed by Power4Flight specifically for use in small engine aerospace applications.

 

 

IntelliJect EFI Hardware and Software System For Use In Small Engine Aerospace Applications
IntelliJect Display Software

Currawong Engine Control Unit (ECU)

The CE367B ECU, manufactured by Currawong Engineering, provides a complete monitoring and control solution for a small fuel injected UAV engine. It can be calibrated to provide optimum performance over a wide range of engines, in a variety of configurations and sizes.

Key features include:

  • Miniaturized design
  • Mature and reliable Control Algorithms
  • Seamless UAV integration
  • Single Power Supply
  • Powerful Control Interface
  • Real time data output, including engine health data and fuel used.
  • Available with integrated fuel pump and accumulator

 

CE367B Engine Control Unit
CE367B Engine Control Unit

High Pressure UAV EFI Fuel Pumps

High pressure fuel pumps are an essential component of any EFI system. Miniature fuel pumps with the performance demanded by small engine EFI systems are not commonly available. Requirements include high pressure, light weight, a high level of durability, and the ability to self prime.

Mini High Pressure Fuel Pumps

The CE 370 series high pressure fuel pumps are single cylinder, positive displacement pumps. These pumps provide high pressure and high flow rates while demanding very low power to operate. The pumps are compact and light weight. A wide range of pump/motor configurations are available to address varying customer flow rate requirements.

CE370 1004 Miniature Fuel Pump
CE370 Miniature High Pressure Fuel Pump

Triplex High Pressure Metering Fuel Pumps

The triplex pump represents a substantial step forward for EFI technology in small engines. The triplex provides high-pressure regulated fuel delivery of particular application to heavy fuel and gasoline engines. Its unique phased three-piston design, combined with an integrated control system, gives very precise regulation of fuel delivery across a wide range of pressures.The triplex is an enabling technology for heavy fuel engines, providing high pressure fuel that is able to be finely atomized using Currawong’s unique atomization technology.A special feature of the pump is built-in precision measuring of fuel flow without having to rely on separate meters and other non-design-intent hardware. This feature can be used throughout system development, and is particularly useful when used with a dynamometer as Brake Specific Fuel Consumption can be easily calculated in real time.

CE822 Triplex Pump – High Pressure Version
CE822 Triplex Pump – High Pressure Version

 

Small UAV Engine Fuel Injectors

The lightweight and compact fuel injector has been designed to suit the operation of small engines. With its integrated injector cap and reliable connectors, it is particularly suited for use in the UAV industry. The unique design of the injector produces a highly atomized fuel spray, as shown in the photograph opposite.Weight of Assembly: 33 g (1.2 oz)Length of Assembly: 53 mm (2”)

Highly Customizable

The injector plate can be configured to meet flow rate requirements for engines 10cc and larger without re-engineering. Currawong Engineering can manufacture injector plates with custom configurations to provide the flow rate required for virtually any EFI UAV engine. Options include different fuel caps, mounting flanges and electrical connectors.

Product part number: CE646-XXX

* XXX depending on configuration

CE646-Fuel-Injector
CE646-Fuel-Injector

UAV Engine Sensors

Currawong Engineering manufactures a wide range of UAV engine sensors of various types, two of which are shown here as they are commonly used in EFI systems.The sensors are rugged and reliable and capable of operation under high or low temperature, at various altitudes, in contaminated environments, and under vibration conditions. The resistive element used by Currawong provides a strong signal that is noise immune in contrast to thermocouples.

Cylinder Head Temperature (CHT)

This lightweight silicon resistive element temperature sensor is designed for mounting directly into the cylinder head near the combustion chamber. Sensors with various lengths and connector types are available to meet the requirement of most engine installations.

Manifold Air Temperature (MAT)

This resistive element temperature sensor is designed for monitoring intake manifold air temperature, and is particularly intended for use in the UAV industry. Sensors with various lengths and connector types are available to meet the requirement of most engine installations.

CE214 Cylinder Head Temperature (CHT) Sensor
CE214 Cylinder Head Temperature (CHT) Sensor
CE215 Manifold AIr Temperature (MAT) Sensor
CE215 Manifold AIr Temperature (MAT) Sensor

UAV Ignition Systems

The CE432 series of ignition units are lightweight and compact capacitor discharge ignition systems.The units are based on a product manufactured in Australia by Desert Aircraft Australia and feature a custom designed interface circuit which ensures reliable triggering over a wide temperature range.
CE432 CD Ignition unit (single lead unit shown, also available in two lead units)
CE432 CD Ignition unit (single lead unit shown, also available in two lead units)

Power4Flight - EFI UAV Engines© 2023 Power4Flight
202 Wasco Loop Rd
Hood River, OR 97031
Phone: 541.436.4299

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