The Camel: a sailing cargo proa
The Camel of the Sea is a sailing multihull cargo vessel designed for operation by a small crew of 3-6 in areas of steady winds and expensive petroleum. As outlined in The Case for the Cargo Proa, physics favors the proa configuration in the case of widely varying displacement. In this example, the fully laden boat weighs over three times the boat when empty. To recap the argument:
Widely variable displacement on multihulls is a…
