On a boeing 737 and an a320 respectively in the 2000s.
Auxiliary power unit boeing 737.
Ba and safran epa.
Aircraft apus generally produce 115 v alternating current ac at 400 hz rather than 50 60 hz in mains supply to run the electrical systems of the aircraft.
For the 737 x honeywell project aversan performed software modification of a legacy boeing 737 131 9 b auxiliary power unit apu controller currently in production.
The garrett gtcp gas turbine compressor air power unit electrics 85 129 was standard for the series 1 200 but when the 300 was introduced it was found that two to three times the energy was needed to start the larger cfm56 engines.
Chicago and paris feb.
Saf today announce the name of their 50 50 joint venture to design build and service auxiliary power units apus.
A centrifugal jet engine that starts the aircraft engines and delivers the electrical and air condition.
Apu manufacturers have done a great job designing these engines so they take care of.
Others can produce 28 v.
The 50 50 joint venture that boeing and europe s safran aerospace company formed last year to build auxiliary power units for airplanes now has a name.
Operating the auxiliary power unit couldn t be easier.
Through its subsidiary safran power units the manufacturer has been working on using hydrogen fuel cells for non propulsive energy dedicated to onboard entertainment catering and usually supplied by the auxiliary power unit apu.
Apu control panel on a boeing 757 767.
There are many different apus available for the 737.
Boeing 727 apu auxiliary power unit.
An auxiliary power unit apu is a device on a vehicle that provides energy for functions other than propulsion they are commonly found on large aircraft and naval ships as well as some large land vehicles.
Starting the unit is as easy as starting a car.
19 auxiliary power unit apu pneumatic and generator control panels subscribe for new v.
Boeing 737 300 400 500 cbt computer based training next lesson.
There are many different apu s available for the 737.
The modifications included the establishment of a new requirement for documentation software and test changes and a delta certification associated with the production release.
13 2019 prnewswire boeing nyse.