Aluminum Cruisers: The Basics for First-Time Buyers

Aluminum sailboats are top of mind in the cruising community with SV Delos working on their new aluminum expedition catamaran, the Delos Explorer 53. To learn more about aluminum cruisers, we asked naval architect and a member of the Delos Explorer 53's design team, Tom Bertenshaw, to teach us what we need to look out for when considering aluminum boats.

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CNC cut structures of Delos Explorer 53. Image courtesy of De Villiers Marine Design.
CNC cut structures of Delos Explorer 53. Image courtesy of De Villiers Marine Design.

Even a quick glance at the commercial maritime industry highlights the value of aluminum vessels. Their inherent durability, strength and resistance to corrosion makes them ideal for commercial applications since they avoid excessive wear and maintenance. Aluminum is a low-density material, which allows for reasonably low structural weights, making it a good fit for applications where time is of the essence. Flat panel boats with hard chines and developable cabins, are easily constructed and can be cost-effective. Considering this, it’s no surprise to see the growing interest and demand for aluminum boats in the market, especially for when a sense of robustness is sought.

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Tom Bertenshaw
Since graduating with his engineering degree, specializing in Naval Architecture, Tom has been involved in the design of various vessels for commercial use and for pleasure. As principal engineer for wooden, steel, aluminum, fiberglass, and carbon fiber designs, his professional experience has been backed by a hands-on understanding. After years sailing and maintaining classic yachts in New Zealand waters, he now lives and works aboard his composite boat while preparing for offshore sailing. As an independent contractor, much of his recent work has been focused on aluminum sailing cats for De Villiers Marine Design. You can reach him at [email protected].