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I'm getting ready to build a couple of models to compare a couple of drive technologies. I have two matching 6-volt gearmotors left...

I’m not sure I’ll ever recover from this thread. I think I’ll go home now.

What is the theoretical hull speed of a Hobie 18? Is a 10hp motor worth the efforts?

Hi everyone, I’m A Naval Architect & the developer of a new Rhino3D plugin called CompositeWorks. This is a small plug for my plugin...

There is plenty of beam on a multihull to be able to sheet those 2 headsail out to beam of the vessel for broad reaching...

https://www.boatdesign.net/attachments/the_double_head_rig-pdf.191119/

philSweet, I don't think that study is that applicable to my aftmast arrangement as it largely looks at spinnakers as the A sails...

Open source software isn't going to fund my champagne and caviar lifestyle

Peter Spronk was a notable creator of fast and distinctively elegant catamarans, built in the Caribbean, where the designer intended...

Congratulations, 40 Kn on an ironing board, i'd have said "pull the other one", but you supplied the video. Would you mind if tried this...

Quite around. Though common sense choices took precedence. After giving it a fair amount of thought, the ol' good advice of buying a...

Eli, whichever open bridge deck cat you build, do yourself a BIG favor: companionways MUST face the STERN, NOT the center of the boat...

To me what you have written here is a prime candidate for an open source project, as DIYers are spearheading a lot of innovation in...

Hi everyone, I’m A Naval Architect & the developer of a new Rhino3D plugin called CompositeWorks. This is a small plug for my plugin...

@SaltyYAK I just wanted to mention that you present well in a bikini for a young bloke. Good luck with it, you have some special sailing...