Question: What type of details about willard ray custer can be gathered from the following bio? Bio: willard ray custer -lrb- born june 6 , 1899 in warfordsburg , pennsylvania , died december 25 , 1985 in hagerstown , maryland -rrb- was an american engineer and aircraft visionary , inventor of the channel wing concept . he was a great grandnephew of george armstrong custer . custer left school at age 13 , working as a blacksmith , and later an engineer and mechanic . the inspiration to the channel wing concept came in 1925 , when custer had observed how the roof of a barn was lifted during a very strong gust of wind . he started investigating the phenomenon , and by 1928 he had developed the first model of a new air plane wing that he subsequently , in 1929 , filed a patent for . this channel wing managed much lift even at very low airspeeds , and allowed start and landing on very short airfields . in 1939 custer founded the '' national aircraft corporation '' , and on november 12 , 1942 started development of the ccw-1 -lrb- custerchannelwing 1 -rrb- experimental aircraft . with the ccw-2 that followed , he could achieve almost vertical starts , and flight almost like a helicopter . the military started a number of trials , that was subsequently cancelled despite some interesting achievements . later , custer founded the '' custer channelwing corporation '' , and in 1954 built more aircraft . the last one , the ccw-5 , almost reach series production . the principle of the channel wing was not well understood by many , especially at the time . custer was a splendid experimenter and visionary , with many patents filed , but he did not have a strong theoretical and scientific background . the custer channelwing corporation had to cease its activities , and the channel wing principle was mostly forgotten . today , only two ccw aircraft survive . the ccw-1 is displayed at the smithsonian ' s national air & space museum , suitland , maryland , while the ccw-5 is at the mid-atlantic air museum , pennsylvania . the big break-through for the channel wing never happened , although attempts to revive it is seen from...
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