PPRuNe Forums - View Single Post - Wing tank pump.. ON or OFF??
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Wing tank pump.. ON or OFF??
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16th Oct 2000, 02:17
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HugMonster
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If your fuel is lighter than air, having the wing lower than the APU will not prevent gravity feeding.
Otherwise, if you're using Jet A1 like most of the rest of us, you'll find it very difficult for it to run uphill unaided.