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Professional BoatBuilder magazine
On the cover: Advances in solar panel efficiency and durability have allowed for significant improvements in providing onboard electrical power without a generator or a shore-power cord. Here, Nigel Calder’s well-equipped Malo 46, Nada, is fitted with four 85-watt rigid solar panels mounted on a hard bimini top. Story on page 36.
Photograph by Nigel Calder.
20 Essentials of Catamaran Structure
by John Kecsmar.
Applying classification society rules and simplified calculation techniques for robust catamaran hull connections.
36 Advances in Onboard Solar
by Nigel Calder.
Refinements in solar power technology offer significant opportunities for marine applications, and some risks as well.
54 Sailing on Steps
by Alan Adler.
According to the designer, his early-1990s stepped-hull catamaran idea is ripe for “theft” and further development.
58 The Quarter-Inch Rule
by Dieter Loibner.
When the owner wants an ice hold, a hot tub, a manifold hatch, and clean lines, a swim-step refit requires meticulous planning, thoughtful design, and flawless execution.
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I look forward to the application of Calder's technology.The cover photo caught my eye.I was on the lookout for this material.