Re: 20 footer on E-bay
In the HermCo's literature for the Seamark (Potter bracket)
the Single version is listed as 6' wide (25" shaft) and has a buoyancy of 420 lbs
the Twin version as 7'2" wide with a buoyancy of 890 lbs
These are the only two models listed in the copy I have.
Isn't the Single version the model that has been used on the restores of the 20's on HermCo's site?? I didn’t realize there was one manufactured specifically for the 20.
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