Passport 40 Polars

[Rob Raymond]

Has anyone set up polars for Predict Wind for the P40?

I tried a Valiant 40, but it had us going 8.5 knots at times between Neah Bay and San Francisco. Even if our boat could do that, we'd never push that hard in the middle of an ocean. Somethings gotta break!

For now I  set it up in the app as 50 degrees: 6 knots, 90 degrees: 7.5 knots, 160 degrees: 5.5 knots.

With those settings Predict Wind still has us tacking way tighter than our boats are capable of. Some pre defined polars would be nice.

[Ken Buckley]

You can enter a scaling factor, I used 75% with the Valiant 40. Could go 70%...

Ken

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