Archimedean
screws as a form of propulsion look daft, but are actually in use
today for specialist vehicles that have to contend with snow, slush
and mud. But that wasn't enough for the 1930's, so naturally the
first application to be considered was for transatlantic passenger
liners.
Archimedean
screws as a form of propulsion look daft, but are actually in use
today for specialist vehicles that have to contend with snow, slush
and mud. But that wasn't enough for the 1930's, so naturally the
first application to be considered was for transatlantic passenger
liners.