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Matador.es · 01-12-11, 04:14 AM

simple, get the ships lengt, measure the seconds it takes to move from the front to back over the vertical line of your scope. Divide meter by seconds, multiply by, 1.856 and you have speed in knots.

01-12-11, 04:14 AM	#3
Matador.es Chief Join Date: Feb 2010 Posts: 327 Downloads: 30 Uploads: 0	simple, get the ships lengt, measure the seconds it takes to move from the front to back over the vertical line of your scope. Divide meter by seconds, multiply by, 1.856 and you have speed in knots.