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...
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,...
I'm curious about evaluating pitch stability during submergence due to wave action particularly in low freeboard and/or low reserve bouyancy...
If a client hires a Design firm/Naval Architect to take his/her concept and perform the design details (engineering drawings, calculations, etc.)...
After a bit of study, I thought that a submarine or torpedo would not exhibit a drag hump at the 'hull' speed, compared to a surface ship, due to...
I just upgraded Freeship from v2.6 to 3.43 (yeah, I know I'm like 7 years behind!) and WOW a ton of new features! propeller design, aero...
I'm interested in comparing the resistance (as in which requires the least power) of a submerged torpedo to a surface running hull operating at 10...
I’m looking for out of the box thinking for this concept… Stated Need (SOR?): This is for a cruising yacht with living space for 4 (similar...
I'm aware of boats built in halves split longitudinally along the keel. Many Farrier trimarans were done this way and then halves were bonded...
Hydroflier was designed as a low speed - low power, hybrid hydrofoil boat. It's 'hybrid' in that lift is assisted by buoyancy of the submerged...
Tubes on many/most SWATH boats are near LOA in length. After studying submarine design, I find an optimum slenderness ratio of near 8 (L/D). I...
I'm interested in the community's thoughts on the helm balance of Kite boats. On a standard sailing rig, a little weather helm is desired....
I’m preparing to build a boat for my own use and am trying to weigh the pros and cons from just doing a ‘home built’ titled by the state of NJ, or...
Hi, I have been running the bottom pressure design calculation per DNV-GL Part 3, Special Craft...
Hi, I've developed (developing) an Arduino based PID flight control software using MPR6050 accelerometers and an ultrasonic sensor. The foil...
I intend to build a strip-plank core boat over temporary male bulkheads, which will sit on a plywood platform base. The foam core strips will be...
I'm interested in manufacturing recreational sailboats greater than 20ft, less than 100ton/65ft. I understand I have to register as a manufacture...
I've always dealt with Aluminum masts. I have a friend with a carbon mast who wants to add a track for a spinnaker pole. What is the technique...
Hi, I have an old Tartan 41. The main bulkhead has tabbing that's 3/16 to 1/4 inch thick and extends about 15 inches from the hull on BOTH sides...
I'm researching building a strip plank foam core catamaran and have found numerous youtube vids (ex. link below) showing the strip planking on a...