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VMG to Wind Calculator


Windex Setup

NOTE: Zero or blank entries will be replaced with default values.

Click Here for Calibration Method

Flag spacing:deg
Enter flag width: deg
Enter tail width: deg

Inputs

Enter angle of the wind:deg True Apparent
Wind Speed:knots True Apparent
Boat Speedknots

Computations

VMG to wind 1.52
T Wind Direction 77.5°
T Wind Speed 15
Apparent Wind Speed 17.9
Boat Speed 7
Apparent Wind Direction 55
TWS = AWS - BS * 0.41
Boat speed as % of true wind speed 46.7
VMG as % of true wind speed 10.1

masthead fly

Click on graph to print out larger paper that you can plot other points on.



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