Progress achieved with regard to rotors; present emphasis is on improvement of speed, equipment of helicopters, adaptability to requirements of moment and simplifications with regard to structure and maintenance; helicopter and VTOL-STOL aircraft are compared and possibilities of helicopter applications pointed out.
Present state of technology and future of helicopters
Gegenwaertiger Stand der Technik und Zukunft des Hubschraubers
Zeitschrift fuer Flugwissenschaften ; 12 , n 7
1964
14 pages
Aufsatz (Zeitschrift)
Deutsch
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