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Whoever did the APU sounds

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Thank you! That thing sounds so delicious when it starts up and shuts down, I always have to switch to outside view to listen to it, and then i get a big grin on my face. I just about prefer it to the engine sounds themselves. Excellent work guys.


Bryan Richards

 

"People depend so much on automation that they forget how to get the automation to work." B.W.

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The 747 APU I once heard is a 737 cfm56b engine surprisingly enough. 


Angelo Cosma
PPL ASEL / IFR
Federal Aviation Administration (FAA) 

Field Service Representative (SEA) ZSE ARTCC

Intel i7 6700K 4.8Ghz / ASUS ROG Maximus Hero VIII / 16GB DDR4 3200Mhz Ram / EVGA 1080Ti FTW3/ Corsair H110i GTX EVGA 850 Watt Gold / Samsung 850 500gb SSD

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The 747 APU I once heard is a 737 cfm56b engine surprisingly enough. 

Not quite a CFM56, but it is derived from a jet engine used on bizjets:

 

PW901A/C

P&WC PW901C APU is a twoshaft gas turbine engine, originally derived from a Pratt & Whitney turbofan engine used in popular business jets. It provides power for the Boeing 747-8 and its predecessor, the PW901A-powered Boeing 747-400. During on-ground operation, it provides bleed air for cabin conditioning from a low spool-driven load compressor, and electrical power from two gearbox-mounted 90kVA generators.


Wes Meyer

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Not quite a CFM56, but it is derived from a jet engine used on bizjets:

PW901A/C

P&WC PW901C APU is a twoshaft gas turbine engine, originally derived from a Pratt & Whitney turbofan engine used in popular business jets. It provides power for the Boeing 747-8 and its predecessor, the PW901A-powered Boeing 747-400. During on-ground operation, it provides bleed air for cabin conditioning from a low spool-driven load compressor, and electrical power from two gearbox-mounted 90kVA generators.

The PW901C APU is derived from the core of the JT15D engine found on aircraft such as the 500-series Cessna Citations, Beechjet 400A etc.


Jim Barrett

Licensed Airframe & Powerplant Mechanic, Avionics, Electrical & Air Data Systems Specialist. Qualified on: Falcon 900, CRJ-200, Dornier 328-100, Hawker 850XP and 1000, Lear 35, 45, 55 and 60, Gulfstream IV and 550, Embraer 135, Beech Premiere and 400A, MD-80.

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