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August/September 2024, Issue No. 210 — Table of Contents


On the cover: Trainees in a Community College of New Brunswick INNOV composites program load glass laminates, core material, and resin transport media into the mold for a DJ Marine 45 before applying the vacuum bag and infusing the hull with recyclable thermoplastic resin. Story on page 60. Photograph courtesy INNOV.





Using LCA software. Page 18.

18  Counting Carbon
by Dieter Loibner
A yacht designer and experienced builder of composite boats test-drives life cycle assessment software.

A transom view.PATRICK BRAY

A conically developed transom. Page 34.

34  Embracing the Buildable
by Patrick Bray
A naval architect’s notes on incorporating conical projections in metal-hull designs.

Flawed wiring.NIGEL CALDER

Flawed wiring practices. Page 40.

40  Sins of Installation
by Nigel Calder
A gallery of common onboard electrical system errors.

Resin infusionCOURTESY INNOV

Thermoplastic resin infusion. Page 60.

60  Infusion Acadienne
by Aaron Porter
Recyclable thermoplastic resin and a crew of trainees are put to the test building a commercial fishing boat in Pointe-Sapin, New Brunswick.


4  Letters, Etc.
Readers comment on Constant Camber hull construction and the paucity of well-built small production boats.

8  Rovings
compiled by Dieter Loibner
Classic lines for an electric runabout from Stephens Waring Design; building a 95′ wood-composite cutter from Langan Design Partners; the evolution of Raptor Deck; and launching Saildrone’s 65′ unmanned surface vehicle.

54  Task Sheet: Tape Technique
by Jim Moores
A guide to diesel system reliability.

72  Parting Shot
by Stephen Ditmore
A naval architect’s announcement of a design competition to create the best semi-displacement launch.


67  New Products and Processes

68  Connections

69  Classified Advertising

71  Index to Advertisers