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I was thinking more of a normal concrete floating breakwater – link two of them in a V shape point the tip against the waves – you will enjoy a calm waterspace inside the V and the whole thing might even navigate at a acceptable speed.

Compare the seaworthyness of such a structure with KON TIKI and keep in mind that this raft made it over the pacific – you would get something technically at least equal. Just your “bambus hut” is a comfortable houseboat (or mobil home) and your “balsa logs” are bigger and tougher and longer lasting as made of concrete. What we can learn from Kon Tiki is that it might be useful to maintain a certain flexibility between the floating elements, and that flat raft floats are much more seaworthy than generally expected.

Wil

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