thanks, wet feet. I'm ~190lbs and the boats I have flipped (a few) have been trivial, no more than 20ft and under ~800lbs. yes, I could support...
yes, that's one of the options; upright with external female molds. The main difficulty I see in upright construction is that the...
I'm planning the build of a 25ft canal/lake cruiser (pic attached) and am trying to come up with the build sequence. It is a displacement hull...
There is a misunderstanding of what I'm investigating. Essentially, I was interested in the difference of resistance on a SWATH hull with...
One issue with this design is that solar energy production is limited by roof space and since a SWATH has more drag (due to all that extra surface...
JEH your reply is very helpful. I believe I'm mostly on the same page. Regarding the water-logged tree 'jumping' out of the water, my...
Thanks again jehardiman. Your reply will take me a while to unpack. I am aware of hydrodynamic added mass, but I don't have a working...
No. I'm a mechanical engineer without formal naval architecture education. Looking to learn... Book suggestion noted. You say the issue with...
Ah, the legal system, clear as mud to a layman like me. OJ wouldn't take my call, so I had to do a bit of reading about tort vs criminal law. In...
Thanks you jehardiman and DCockey for your replies. I read the linked threads and the 'Qual for small craft design biz' was particularly...
Are there any legal requirements for boat designers to ever be licensed or certified in any way (USA)? In regards to boat building and operating,...
This is covered in the "Principles of Yacht Design" (great book) chapter on sail and rig design. Righting moment is a function of heel angle and...
I'm curious about evaluating pitch stability during submergence due to wave action particularly in low freeboard and/or low reserve bouyancy...
The Macgregor 26 is a very popular boat with no side decks. Obviously not over 30ft. With small boats there is more of a need to push the...
Hey, somebody's got to pay the bills! haha :)
This comment and the double cost for exclusivity surprise me because it doesn't jive with what Eric Sponberg said in the 2003 Design Cost thread I...
Funny you mention that. One of my early assignments with GDEB was to go through a design specification with the Navy and change all the "should"...
What if the client had a working model of the concept and was looking for help scaling it up. The client could even have a patent pending or...
Thanks for the reply. When I say Design, I'm referring to the engineering calculations and design drawings needed to construct the boat. Not...
If a client hires a Design firm/Naval Architect to take his/her concept and perform the design details (engineering drawings, calculations, etc.)...