Sikorsky presented a hybrid aircraft with wings that rotate for takeoff and landing
Today there are so many VTOL aircraft projects from so many young companies that it makes ...
Read moreToday there are so many VTOL aircraft projects from so many young companies that it makes ...
Read moreThe main purpose, oddly enough, is purely civilian. In battle, the thing is very pointless and ...
Read moreBell Textron has conducted ground testing of the folding propeller engine technology that will be used ...
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