Unable to calculate boat speed from Polar diagram

Share information and suggestions on Stentec's WinGPS 4 Series programs.

Unable to calculate boat speed from Polar diagram

Postby Plupp2 » Wed 04 Mar 2009 - 23:58

Hello,

I am using WinGPS 4 Voyager. When planning a route the speed that shows up is the selected boat cruise speed, instead of a calculated velocity from the Polar diagram and GRIB-wind data. VMG shows up as 0.0 when 'simulating' the route. Any advice on how this is done would be much appreciated.

I was also under the impression that one could use the route planner to calculate the optimal route given GRIB-data and ship data. How may I do this?

Thankyou,
Sincerely,
Peter
Plupp2
 
Posts: 1
Joined: Wed 18 Feb 2009 - 20:06

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