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Not so, at least not in most states in the US. Most states consider "naval architecture" to be a field of engineering and one who "hangs his shingle" as a naval architect needs to be a licensed professional engineer. The usual path to obtaining a professional engineer's license requires...

To answer the question, we need to separate roll stability from roll damping. Often confused, they are totally different. Think in terms of the front end of your car - the springs provide stability and the shock absorbers provide damping. You need both functioning together to get the best...

MurrayM - I am actually a very conservative designer. A builder is making a huge investment when they roll out a new boat and my first priority is to make sure that it performs as expected. Which is not to say that I always follow the crowd . . . . Spotsville - Thanks for the pictures. They...

The GH and N share the same hull design, which is similar in proportions to boats done by both Phil Bolger and Jay Benford. The shape draws from twin screw workboats generally, but not one in particular. Despite the apparent crudeness, its a fairly sophisticated hull shape with reasonably fine...

I’d like to clean up some loose ends from the discussion. So long as you run at a reasonable displacement /length ratio, speed is sacrificed with a short, wide boat as compared to a long, narrow one of about the same weight. You’re not traveling as fast, but the speed difference is...

I have never gotten involved in internet discussions, but given how much I’ve been referred to here, perhaps it’s time. The GH and N boats sprang from a long running discussion that Ken and I had about economical cruising boats. We had been passing sketches back and forth of long, narrow...