A picture is worth a thousand words...
Post by iconPost by DonJuan21 | 2019-07-22 | 22:36:05

Here's a handy chart showing upcoming projected finish times in the Atlantic Challenge.

http://bit.ly/finishtimes

Cevetan, is there a way I can update my google sheet automagically as your finish times get updated? Can you read-only link me in?

DonJuan21

commenticon 3 Comments
Post by iconPost by DonJuan21 | 2019-07-23 | 19:26:14
Never mind about the auto update. I figured out how to do it. So my link now also shows Full Pack and No Options on the same chart for comparison. It should update within an hour of zezo's predicted times table updates.

DonJuan21

Post by iconPost by DonJuan21 | 2019-08-02 | 06:54:32
Do you have any idea why at times, the no-options forecasts can actually beat the full pack? Do you take sail change penalties into account?

Say you are sailing right on the edge of a sail change and maybe the wind oscillates and auto sail makes 10 changes in 6 hours.

With no-options there aren't as many transition points.

Thoughts?

DJ
Post by iconPost by zezo | 2019-08-02 | 08:02:34
Could be. A sail change is worth about 2 minutes at zero speed without pro winches, and those add up quickly. Sail changes are one aspect where the optimizer can't claim global optimum.
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