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pensador

28th April 2010 11:51

the APU start times limit

Hi, everybody! The Airbus limitations give us that the APU can be sturted only 3 times consecuently then 1 hour of "rest". Any ideas why only 3 times?
Thanks for advance!

gas path

28th April 2010 12:00

To let the battery recover

Its charge state.
To let it cool down.

mitzy69

28th April 2010 12:00

give the starter motor and battery time to cool off.

ampclamp

28th April 2010 12:13

yep its called duty cycle.
there is a lot of current flowing and it makes things hot.

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