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Forum: Navigation 11-02-2019, 17:37
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

Bearing, Heading, same thing in merica.
Forum: Navigation 11-02-2019, 17:33
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

Crabbing is commonly used to express the " horizontal drift " of the vessel. Crabs walk sideways. We all had to learn and we all can give back by teaching others.

Aloha,
Mike.
Forum: Navigation 11-02-2019, 16:40
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

You can download a copy of - Boditch, The American Practical Navigator - in .pdf format which goes into great detail about all of these questions.

...
Forum: Navigation 11-02-2019, 16:37
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

" If I calculate, as in the previous example, that I should steer 191.8 degrees based on current and speed, and the wind is from due south, how much extra crab do I need to apply to account for the...
Forum: Navigation 11-02-2019, 16:29
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

It all has to do with the sailing characteristics of your boat as well as sail plan. This is beyond my skill level. I am sure there are some racers who could give you much more info. But to get from...
Forum: Navigation 11-02-2019, 10:21
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

Ah ok I see. I think you can find the mean after the fact or use tide tables and factor them in using a Distance Speed Time Calculation multiple times.. Ha, this is a bit of a head scratcher. As far...
Forum: Navigation 11-02-2019, 10:03
Replies: 184
Views: 18,200
Posted By sailingtaiyo
Re: Brain hurts - Working out course to steer

Course to steer is pretty simple to do with a chart, slide rule and a pencil, maybe a calculator if you really need to.


You first need to figure out the Set and Drift. Then measure from that (...
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