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eS ica ow Drawing of the Focke Achgelis (later Focke-Wulf) VTOL design. This concept was briefly resurrected after World War Two and given the name Rochen (Ray). It inspired a number of US convertiplane concepts, although none reached the prototype testing stage. via Bill Rose 44 KEEP K| Tn an ion? ag Charles Neumann and Hugo Baca produced this VTOL concept in 1945. It shared certain similarities with the Focke Achgelis VTOL concept. US Patent Office Left: Bearing some similarity to the wartime Focke Achgelis VTOL aircraft concept, the Goodyear Convertiplane was designed by Robert Ross in the early 1950s. US Patent Office Above: Designed for possible shipboard use, Goodyear’s Convertiplane used ducted fan propulsion for VTOL, hover and forward flight. US Patent Office Secret Projects: Flying Saucer Aircraft