01-26-11, 06:53 PM
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#8
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Grey Wolf 
Join Date: Sep 2009
Location: Egypt
Posts: 840
Downloads: 132
Uploads: 0
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Quote:
Originally Posted by vanjast
- They almost always used ship revs to estimate target speed. The hydrohone guy could identify the engine type and with revs, ship speed.
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Interesting! I wonder if the speed of the convoy ships be determined this way 
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