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Old 21st January 2008 | 02:40
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Junkflyer
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Joined: Jul 2005
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From: Honolulu
A quick gouge is 118 knots at 400,000 lbs. for flaps 30. Add 3 knots for each 20,000 lbs more-500,000 lbs.= 133 knots. Its not 100 % accurate, but pretty close-within a couple of knots.
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