We received the following a few weeks ago from one sailor who has recently discovered the joy of small tri sailing. He supplies lots of info and some good links below.
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I am an amatuer boat builder / designer, and have built a CLC Sail Rig for my home built cedar kayak. I have gotten the taste of sailing small trimarans and now I am addicted like a junkie on heroin.
So my current boat has its obvious limits since the amas only have 100 pounds of buoyancy, and the vaka was designed as a kayak to start with. The kayak ended up having a center of gravity that was way too high for a kayak, so I made a trimaran out of it. Go here if you want to read about my journey: https://forum.woodenboat.com/showthread.php?268647-Newbie-needs-help-with-small-DIY-sail-plan-trimaran-setup.
I have several photos and videos that might entertain you. I would be very honored if you wanted to list my boat blog and / or my youtube channel on your website.
Here is the link to my youtube channel as well: https://www.youtube.com/channel/UC4UW0cBCSkAfU-_Y-gpjRjw . I want to share and give back to the community of sailors that have given so much to me.
I started a new thread on the Wooden Boat forum, https://forum.woodenboat.com/showthread.php?282909-Lee-wants-a-new-trimaran-desig, because as they famously said in the movie Jaws, “we’re gonna need a bigger boat”. Well, I need a bigger boat too.
Fun boat and close to the water it is exhilarating. If you are going to get bigger/faster, everything has to get heavier. If you want to fly 2 hulls, you have to make the floats buoyancy bigger than the whole boat plus you. IMO, it is most fun, though, to have the float buoyancy just equal the boat weight…that way you only have to have a daggerboard and rudder on the vaka (otherwise you might as well go full on foiling). I also suggest mast further aft so you can have a high aspect mainsail without a boom and a self tacking jib so going to weather is as much fun as flying spinnaker downwind.