Katherine Ann, a 24′ Gaff Yawl

This design was first drawn in the early nineties. I’ve just received a commission to revise and complete the earlier cartoon for a boat to be built in Australia.

The revised sail plan:

And an illustration…

This was the earlier version:

No major changes. Just a subtle re-working. Next will come a similar pass with the hull form.

This photo shows the half-model made to the original lines:

Once completed this design will be available as a stock plan.

The Katherine Ann Project page.




Published by Antonio Dias

My work is centered on attending to the intersection of perception and creativity. Complexity cannot be reduced to any given certainty. Learning is Central: Sharing our gifts, Working together, Teaching and learning in reciprocity. Entering into shared Inquiry, Maintaining these practices as a way of life. Let’s work together to build practices, strengthen dialogue, and discover and develop community. Let me know how we might work together.

6 thoughts on “Katherine Ann, a 24′ Gaff Yawl

  1. I’ve sailed a Thomas Gilmer “Blue Moon”. I was very impressed after a life of plastic dinghies and cruisers. KA reminds me of a big sister to BM. Very nice! I hope you’ll show us more as she comes along. There is much to be said for these wholesome designs. There is a dramatic comfort level improvement over the typical 24′ plastic boat and so much “shippiness” to play with. Congrats!


    1. Thanks Eddie!

      I definitely had Blue Moon in mind….

      This is a bigger boat than that. She should share not only in shippiness, but a more comfortable motion than the typical plastic boat.

      Liked by 1 person

    1. Peter,

      Two headsails and the possibility of a jib tops’l.

      If you look at the sail plan drawing you’ll also see a genoa, a mizzen stays’l, and a spitfire storm jib too.

      In light air, I’d fly the genoa and jackyard tops’l to weather and maybe raise the mizzen stays’l on reaches and runs. There could also be an asymmetrical spinnaker…. The beauty of this rig are its sail options.

      Would I feel the need to have all these sails, including a storm trys’l? No, not really. But over time one could collect, and fine use for, a full suit.


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