PPRuNe Forums - View Single Post - B747 Classic - Standby Ignition vs Captns Hdg info.
Thread: B747 Classic - Standby Ignition vs Captns Hdg info.
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Old 12th February 2002 | 13:39
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mustafagander
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: ATPL
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From: OZ
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As I recall it, the stby ign on P&W exceeds the amp hr rate available from the battery, but RR is just below it. I vaguely remember that P&W was 20 joules and RR 4 joules.
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