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Professional BoatBuilder #189 February/March 2021

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Professional BoatBuilder magazine

February/March 2021


On the cover:  Joel Mill, the lead carpenter and electrician at Devlin Designing Boatbuilders in Olympia, Washington, works on a bus bar for Electric Philosophy’s onboard DC system. Story on page 50.
Photograph by Dieter Loibner.


Steve D’Antonio

Installing Hardware. Page 16/17.

Task Sheet: Installing Hardware in Cored Composites
by Steve D’Antonio
A guide to best practices for closing out vulnerable composite core material when installing deck and hull hardware.

Courtesy DLBA

Engineering aluminum frames. Page 20.

20  In the Frame: Part 2
by John Kecsmar
Calculations and cutouts for designing aluminum boat frames.

Courtesy RIMTA

Boats at the end of the line. Page 30.

30  Disposal, Part 1: The Old-Boats Dilemma
by Dieter Loibner
The problem is well documented, and proven technological and regulatory solutions are available. So why does practical end-of-life disposal for old composite boats remain elusive?

Don Eley

More multimeter basics. Page 44.

44  Inside Your Multimeter
by Don Eley
Understanding the circuitry inside that most useful of electrical troubleshooting devices comes with a little help from Ohm’s Law.

Eileen Pauley

The solar-powered catamaran. Page 50.

50  North with the Sun
by Dieter Loibner
A retired couple from the Midwest collaborates with designer Sam Devlin to launch a solar-electric cruising catamaran for a zero-emission trip to Alaska and back.

Courtesy Mag Bay Yachts

Families that build together. Page 62.

62  Family Firms
by Marilyn DeMartini
The development and succession plans for three fishing boat builders—Bonadeo, Mag Bay, and Tribute—lean heavily on the next generations.


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