The Secret of Flight Season 1 Episode 6 Propulsion 1959
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After the lift, stability and control problems were solved, a propulsive system was needed to make the aircraft fly. The first propulsion device - the propeller - is still in use today. Dr. Lippisch explains the design of the propeller and demonstrates the lifting propeller - the Helicopter Rotor.
- Released: 1959-02-05
- Runtime: 29 minutes
- Genre: Documentary
- Stars: Alexander Lippisch
- Director: Sam Becker
