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Search: Posts Made By: roland stockham
Forum: General Sailing Forum 27-01-2020, 09:20
Replies: 11
Views: 2,435
Posted By roland stockham
Re: Speed and Direction if current

PS if you can find a used trailing log you will get a very accurate water speed and a bearing on the tow line gives the difference butween course through the water and heading iether with a hand...
Forum: General Sailing Forum 27-01-2020, 09:17
Replies: 11
Views: 2,435
Posted By roland stockham
Re: Speed and Direction if current

You need to look up how to plot a vector tryangle. This should be in any basic marine nav book. The tryangle shows speed over the ground on one leg, speed through the water on another and...
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