Reply To: Troll-A ?
Well, the Troll-A platform was made of ferrocement, and it floated to its destination. But it had several "spars" and 1 meter thick walls on those, plus it was not built to float all the time and in all weather. There truly is a large gap in engineering proof-of-concepts as far as ferrocement spar goes :( I'm afraid this means the conception stage for early seasteads will be more costly than previously thought, with the end result of rising the cost to entry for every other seasteaders group...
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