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Old 03-12-12, 01:13 PM   #6
LemonA
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Wind drift of the surfaced type viic u-boat is ca. 3% - 5% of wind speed.

12m/s wind from 270°Rel and u-boatspeed is 0.0 ktn then drift will be ca. 0.48m/s = 1.73km/h = 0.933 ktn/h
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