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Hi Brent. I like the inflatable pontoon idea. That makes a lot of
sense.
You should be able to fabricate FRP ballast tanks easily in any shape
you like using the existing ballast tanks as a partial mold so the new ones fit
the hull. That way you can save the originals for historical reasons.
With the new stainless straps replacing the old steel ones, the seal should
work. George designed a simple and strong method of attachment that has worked
for many years. Upgrading to stainless is relatively inexpensive while
maintaining the simplicity of his design. Still, I'd consider a full envelope
design and eliminate the seal altogether. It could be fairly simple to just add
a bottom and end to the tanks using the same attachment design, just eliminating
the need for an airtight seal at the hull.
I look forward to seeing your new tower assembly. That has to be great
addition if you can get it to work.
Greg C. told me about his testing that design in his pool and said it
worked great. Good luck and keep the great pictures coming. Frank
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