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Forum: Rules of the Road, Regulations & Red Tape 03-05-2022, 19:36
Replies: 65
Views: 8,835
Posted By PineyWoodsPete
First an apology...

...for my obstinate ignorance about this fine point of sailing in currents. I would never think of instructing navigation, much less racing nav. on SF Bay!

Our first "serious" sailboat was a new...
Forum: Rules of the Road, Regulations & Red Tape 01-05-2022, 14:02
Replies: 65
Views: 8,835
Posted By PineyWoodsPete
Re: Paddle wheel speed sensor, who needs ‘em!

That's exactly what most of us (I think!) would call AWS - affected by both sea and ship's motion vectors, and to some extent height of sensor above water - eg going from 10m to 20m mast height,...
Forum: Rules of the Road, Regulations & Red Tape 01-05-2022, 13:20
Replies: 65
Views: 8,835
Posted By PineyWoodsPete
Re: Paddle wheel speed sensor, who needs ‘em!

That's exactly what most of us (I think!) would call AWS - affected by both sea and ship's motion vectors, and to some extent height of sensor above water - eg going from 10m to 20m mast height,...
Forum: Rules of the Road, Regulations & Red Tape 01-05-2022, 09:44
Replies: 65
Views: 8,835
Posted By PineyWoodsPete
Re: Paddle wheel speed sensor, who needs ‘em!

I've been a sailor for over 60 years, and never heard "True wind" speed and vector being defined as RELATIVE to water. "True wind" - sailing or otherwise can only be defined as relative to the...
Forum: Rules of the Road, Regulations & Red Tape 01-05-2022, 07:14
Replies: 65
Views: 8,835
Posted By PineyWoodsPete
Re: Paddle wheel speed sensor, who needs ‘em!

Maybe I'm not understanding you correctly, but the true wind speed and vector can only be computed with your SOG and COG. Even with no current, there will almost always be COG offset from compass...
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