Bob
Your getting good answers, however you did not tell us your boat model
our type of spinnaker you have (Symmetrical or Asymmetrical). Both will
make a difference. Ed advice of not sailing to the laylines but keeping
to middle is best for the reasons he stated. Especially if your C&C was
an IOR design built before 1980 and sail deep downwind. Later boats
will sail closer to reach angles for best VMG downwind. Asyms can not
be sailed deep downwind and are sailed closer to a reach.
Don Kern
/Fireball,/ C&C35 MK2
Bristol, RI
On 10/6/2021 11:17 AM, Jeff Nelson via CnC-List wrote:
Hmmm...Interesting question.
So, Ed's answer was pretty good, I'll add a few thoughts here:
AW isn't an ideal guide, True wind is what is needed so that you can
keep the angle to true wind to be constant on
either Gybe, assuming you know what the best angle is.
If you can find polar's for your boat, they will give you an idea of
ideal.
As Ed mentioned, VMG is your friend in determining what the best angle
is (especially if no polars are available).
You can experiment in different wind speeds to find a reasonably good
angle for windspeed and VMG.
Here's a good article to get you thinking:
http://www.oceansail.co.uk/Articles/VMGArticle.php
Hope this helps.
Jeff Nelson
Muir Caileag
C&C 30 549
Armdale Yacht Club
On 2021-10-06 12:02 p.m., Bob Mann via CnC-List wrote:
I'm fairly new to flying a spinnaker. I did it last weekend in a
race and I believe I overstood the mark as we were sailing 110 AW
before the gybe and 85 AW heading directly to the mark.
How does one determine when to gybe?
Bob
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Thanks to all of the subscribers that contributed to the list to help with the
costs involved. If you want to show your support to the list - use PayPal to
send contribution -- https://www.paypal.me/stumurray Thanks - Stu
Thanks to all of the subscribers that contributed to the list to help with the
costs involved. If you want to show your support to the list - use PayPal to
send contribution -- https://www.paypal.me/stumurray Thanks - Stu
