Building a Birdsmouth Mast, Boom and Yard (Part Two)

07 Aug

Waiting to be launched.

I have completed the build of the Mast, Boom and Yard. I am applying the multi-coat varnish to each and my next task will be to launch the boat long enough to lower the center board so I can finish the center board case top.

Setting up the construction table

I used the mast construction table, shortened to build the boom and yard.

Scarf table

First the staves are cut and scarfed together.   Each stave is cut with a birdmouth and tapered as needed to match the design diameters.  The yard has good taper build in while the boom had no taper.

Clamping the scarfs after gluing

Scarf detail

Good view of the birdsmouth

Planning the staves to similar thickness

Fitting the end plugs

Boom glue up

Boom and yard on the table

Epoxy set and ready for shaping, cap to be added later

Thickened epoxy

Used a hand plane to take off first few cuts

Power shaping the Yard

Taking shape

Almost done

A properly sized diameter form used to check final diameter

Boom and Yard, varnishing

Yard and Boom detail showing reef comb

Detail of ends, showing birdmouth construction


Posted by on August 7, 2011 in Building Stage


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3 responses to “Building a Birdsmouth Mast, Boom and Yard (Part Two)

  1. Jamie

    August 25, 2011 at 9:11 am

    Congratulations on a fine project nearly complete. You must have a great feeling of accomplishment. Looking forward to the launch!

    • twsg2009

      August 27, 2011 at 8:56 am

      Alice Gale will be formally launched on Sept 8th. We have put her in the water once so far to lower the centerboard to its pivot point.

  2. Carolyn

    August 8, 2011 at 8:44 am

    Good morning, Stan. You are our favorite boat builder. It’s such an ancient art! Hope you and Gail are fine.

    We need another rare bird nearby to go chase.

    Hugs, Carolyn


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