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I've just had a mixed result in asking AI questions about my project. ( https://www.boatdesign.net/threads/flettner-rotor-for-small-craft-design-and-build-prototype.67600/page-2#post-970894 ) For the last couple of weeks, I have been casting around for some engineering advice on my idea of...

Just adding this WaterCar post for future reference. If you have a spare $150k, you can get a great day out on sheltered waters, and you can drive it straight to the Ramp from your home. WaterCar ™ The World's First Street-Legal Boat https://www.watercar.com/#learn-more

Its happening again. 2 weeks ago someone got video of Orcas sinking a Yacht Looks like new Glass build standards are going to need thinking about.

"as crew on board sailing vessel Escape try to reduce the sail in a stormunfamiliar equipment Heavy Seas andtheir distance to land leave two Sailors dead " Could fully power controlled rigs solve the many dangers of Wind Powered Vessels ? About Dealfeng - ZESTAs...

New to me. Very impressive capsized power boat recovery https://www.youtube.com/shorts/9Fd6T2AB1jc

Its seems that some Catamarans experienced severe Aerodynamic upset. The heavier Monohulls just got piled on top of each other. A great coverage of one disaster spot, with real 1st person stories here

The crew of a Super Yacht have been arrested on suspicion of their fireworks starting a forest fire. This has the potential of becoming a Financial Tragedy, and a test of Yacht Insurance.

" That's without any modification to the ships themselves, too. The ambitious 'Blue Visby Solution' proposes enormous fuel and emissions savings for cargo ships worldwide, simply by being smarter about speed and timing and eliminating inefficiencies. .... The study found that 87% of voyages...

Spreading Sand in the water seems to be most effective to prevent yacht attacks, but diesel and urine don't work. Vindictive Orcas can be tracked with a GTOrcas App by concerned Yachties. Fishermen are being plagued by Orca Pirates, losing up to 40% of their catch around the world. Then...

I was very envious of this great craft. Imagine having a marine craft with lots of room, that can handle very shallow water and beaches. For other enthusiasts, I'll attach a link to my whole Youtube collection https://www.youtube.com/playlist?list=PLUrCC-9Q2Y14FHtmJ9z7i6mCzAjCljUhN

Came across this great "science" video, of an object travelling against a water flow, powered by the same flow. Now I need to find a video of an equivalent phenomena using conventional fins or blades. https://www.youtube.com/shorts/aedM9vpxAMY

Stains, mould, marks etc are the bane of boat interiors. I just heard of TEDLAR, which seems to be what most commercial aircraft use for interior lining. Has anyone used used it in a marine environment ...

I just became aware of a local (to me) wooden yacht build. The use of double diagonal, strip planking looks impressive as an "easy" and robust way of building, especially for relatively inexperienced amateurs. An interesting interview with the builders here

" Here recently, an encounter with a pod of 7 orcas resulted in the sinking of a yacht. A French Benetau Oceanis 393 was recently sunk 14 miles off the coast of Portugal. After about 45 minutes of bumping and biting at the boat the crew heard a loud noise as the boat cracked and began taking on...

Came across this interesting interview with Rob Denney of HarryProa fame. I haven't heard from him since December 2022, when he reported a work injury. I hope he is doing OK.

After years of interest, I am finally able to think about building a working Flettner Rotor to try out. I've started buying the gear and planning the structure, so its time to get suggestions and ideas from anyone interested. I have a spare Canadian Canoe hull, which I will build an additional...

I am not sure I have bought the right thing. I purchased this remote electric motor control...

This video is one of the better quality ones I have seen, showing a step by step infusion process for a small canoe hull. In particular, the 2 layer "Distribution Mesh" (4:05) that incorporates the release film in the second layer, was a new concept for me.

"The team's low-cost unmanned surface vessel, dubbed the SeaKIT, is designed to map the seafloor over long periods of time, in all kinds of environments, without human intervention. " But, it IS planning to provide better chart information. "A four-year competition to help unravel the...

Just watched this very cleverly done small boat fitted with Hydrofoils, getting around 32 kph on a 5 HP motor. It seems this guy was a former pilot. The workmanship shows a really professional approach.