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Why Explosives Are Used To Start A B-52's Engines In An Emergency

The B-52 Stratofortress is not equipped with an auxiliary power unit (APU), meaning it needs to be cart started with ...

What Is An Air Start Unit & Why Do Fighter Jet Engines Need Them?

An Air Start Unit (ASU) is a pneumatic starting system. Most jets use an Auxiliary Power Unit (APU) but the ASU is an essential backup if it's not working.