Nav wrote:

Please tell us about your sailing ideas where a spinnaker is carried as
a beating sail.

I thought you were talking about the Valsheda pic.


In any event, 45 is a lot closer to 30 than it is to 20


..... Wind
pressure (and therefore potential power extractionon) on the sail must
proprotional to the sine of the heel while leeway will rise roughly with
the cosine. OK?

It seems to me that before you start to yabble about trig & calculus, you
should learn some basic math. 45 is definitely a lot closer to 30 than it is
to 20. Look it up.

In any event, your posts have become a morass of insults and double talk.
There is no basic fact so obvious that you won't deny it to try and "prove"
that I am wrong. It's predictable and boring. If you are going to be a
caricature, you should at least try & be funny!

DSK