Archives of Engines

Unitron GFC-37M Ground Power Unit

Unitron GFC-37M Ground Power Unit (GPU)

The Unitron GFC-37M Ground Power Unit (GPU) supplies power to a parked or hangared aircraft. A reliable GPU unit is a crucial piece of equipment for any hangar. In a small footprint, a GPU delivers specified power through the use of a standard electrical system, battery, fuel, and a small engine. This Unitron GPU includes lightweight 400 Hz and 28 VDC mobile converters for aircraft ground power applications and the lightest weight-to-power rating ratio on the market.
Auxilliary Power Unit

Auxiliary Power Unit (APU)

The purpose of an aircraft Auxiliary Power Unit (APU) is to provide energy for purposes other than propulsion - most often to operate a generator for electrical power. Although small piston-engine APUs were first used in aircraft on a limited basis during World War I, it was in World War II that they came to be used extensively on large aircraft.
Continental 0-470 with propeller

Continental O-470 Engine

In production from 1953-1986, the Continental O-470 family of engines are popular in light civil aircraft such as the Cessna and Beechcraft.
General Electric J47

General Electric J47 Turbojet

In the 1950s, the General Electric J47 turbojet powered several front-line military aircraft, including the North American F-86 “Sabre”.
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