Jet engine starter generators on test

摘要

Euravia of Kelbrook, near Colne in Lancashire, has a fully computerised test facility for gas turbine aero engines and auxiliary power units (APUs), including the Pratt & Whitney PT6 turbo prop engine. During one particular test, the PT6 compressor section of the engine is spun until it reaches the required rpm and the engine is self-sustaining. At this point it becomes a generator to maintain the aircraft's electrical system. APU's provide the same function whilst the aircraft is on the tarmac.