A detailed description and history of the various APUs on all generations of the Boeing 737.
Contents
0:00 Intro
2:47 Components
5:16 Types of APU
13:13 Captions
20:36 Limitations
23:38 Fuel
25:00 Generator
32:09 Battery
35:20 Starting
43:15 Cooling
48:17 Fire Protection
51:48 Ground Use of Packs
55:05 Shutdown cooldown cycle
58:17 Limitations & Operating Techniques