quote: I suspect that the pilot decided to start all 4 engines at the same time causing excessive power draw.
quote: I doubt anyone would just decide to do something not in the manual outside an emergency.
quote: Not being an airline pilot
quote: Because of its low cost, non-toxicity, the high abundance of iron, its excellent thermal stability, safety characteristics, electrochemical performance, and specific capacity (170 mA·h/g, or 610 C/g) it gained some market acceptance
quote: GS Yuasa’s lithium ion cells will play a key role in on-board power, providing both Auxiliary Power Unit start and emergency power back-up capabilities.
quote: The APS 5000 APU is rated at 1,100 shaft horsepower and is designed to start and function throughout the full range of the 787 operating envelope up to 43,000 feet. Hamilton Sundstrand Power Systems, based in San Diego, currently has more than 13,000 APUs in commercial and military service.
quote: The sheet even showns 250 AMP results.