Hoppi-Copter Rotary Wing Aircraft. A Korry Film Production, Seattle, Washington

A c.1945 7-minute black-and-white silent film showing the transport, take-off and flying qualities of the Hoppi-Copter individual 'strap-on' helicopter. The Royal Aeronautical Society has received the permissions for sharing these videos by either the named individuals or the relevant company. For use of videos for non-commercial purposes credit the Royal Aeronautical Society with the respective individual or company. For commercial use and for further information on each videos copyright, contact: nal@aerosociety.com