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Did we build the only one?

Posted by 2trout 
Did we build the only one?
March 24, 2020 12:29AM
My brother and I built this Honky Dory back in 2000-2003 with the balsa wood core. We dubbed it "The Cold One". Im not sure that many folks ever built using the Balsa core, we do love the weight! It has been down the Colorado, Roaring Fork, and even the Arkansas Rivers here in Colorado many times. It has lived in the Garage its whole life, and we have taken pains while rowing to dodge the many rocks down here. But I now need to do a bit of repair work due to a few deep cuts I received on the Colorado (in the dark) here at Glenwood Springs. Ill be dropping a few questions here and there in the coming weeks.

Tom Trowbridge
Glenwood Springs, Co.

Re: Did we build the only one?
March 24, 2020 01:34AM
Wow. I built two. I'm thinking maybe a half a dozen got built all together. A now retied MSU art professor Fran Noel built a pretty one.

I had trouble with the balsa core bottom soaking up moisture. I eventually taped Visqueen to the inside bottom. Then pressed 2" foundation board down onto the visqueen. Then put 2x4s from side to side, inside the boat, pressing down firmly onto the foundation foam, with screws through the side of the boat into the ends of the 2x4s.

Then I turned the boat over and scribed a magic marker line 1" inch down from the bottom all the way around. Then I rented a water feed concrete saw and cut the bottom off.

Then I put a plywood bottom back on, with the foam and visqueen still there, held in place by those 2x4s. Then I glassed the shite out of the outside. And then the inside. If I had that to do all over again I'd replace that balsa bottom with Plascore rather than plywood.

Plascore is similar to end grain balsa. But it doesn't soak up moisture. So. Balsa is fine everywhere except the bottom panel. Balsa is easier to bend around weird shapes because it is a collection of small end grain squares, held together on one side with a soft mesh.

You can bend balsa over almost anything. A boat that was balsa above water line and Plascore on the bottom would be an interesting boat. I built the first balsa HD in 1987. Fwiw.

Cool pics.
Re: Did we build the only one?
March 24, 2020 01:55AM
You could try to grind off the cut areas so the balsa core could dry out. And then wing it from there. I maintained mine for about a decade before giving up and cutting the bottom off.
Re: Did we build the only one?
March 24, 2020 11:21AM
I would think that a router jig could be fabbed to take both bottom off lickety-split.
Re: Did we build the only one?
March 27, 2020 02:29AM
I mentioned visqueen and foundation foam. That's how I did it but I doubt it mattered. If I ever had to replace a balsa bottom again, l'd just use 2x4s side to side, inside, tight to the bottom. Then cut the bottom off and plascore it
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