Donald L. Blount

With over 100 technical and white papers published in some of the most prestigious boating magazines and, in many cases, presented at major conferences sponsored by organizations such as IBEX, SNAME, and RINA in the short 30 years since our founding. Our hope in this library is to release quality and relevant information to anyone wanting to learn about naval architecture and marine engineering.

Donald L. Blount

Founder, DLBA

Here you can find the latest library articles about DLBA

It’s where we carry weight that matters

A struggle with weight is almost universal – whether it applies to our waistlines, our luggage, or our boats. When it comes to a vessel’s weight, it’s not just the weight itself that’s important but also the center of gravity.

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Structural Design of the 100 Knot Yacht

Structural design of the 100 knot yacht

With each yacht’s construction comes a host of decisions that will define the finished vessel. One fundamental decision – and one that will both set the tone for the finished vessel and the build – is basic hull structure. Many factors come into play here, including cost, maintenance, weight, producibility, service life, and tooling.

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Two Speed Gears in Portland, OR Fire Department fireboat

Two speed gears, Impressive results

Two speed gears were introduced commercially in the early 2000s and, although having a relatively small range of application, made a world of difference when used in the right place. The best applications are for very high speed recreational craft, which benefit from the deeper gear to get on the plane, as well as vessels that take advantage of the deeper gear to apply lots of power

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Seakeeping 100-knot yacht

Seakeeping predictions for a 100-knot yacht

Everyone on a yacht wants to be comfortable. When it comes to cruising or sprinting in a seaway, the topic that comes to light most often is seakeeping. Seakeeping is the ability of a vessel not only to withstand rough conditions at sea, but also to interact with the waves in a way that transfers the minimal amount of motions.

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DLBA Naval Architects

860 Greenbrier Circle, Suite 201  Chesapeake, Virginia 23320 USA

Phone: 757-545-3700  |  Fax: 757-545-8227  |



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