Add Yahoo as a preferred source to see more of our stories on Google. A 1925 Popular Science illustration of Anton Flettner’s rotor ship, a “sailing ship without sails,” that amazed readers—and Albert ...
China has a new competitor in the rotor sails industry. The Luoyang Ship Material Research Institute – a subsidiary of the ...
It must have been a bizarre sight when a freight ship, equipped with two large rotating towers, made its way under the Forth Bridge a century ago. The experimental sail technology, on the rotor ship ...
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