1 Sezono
1 Epizodo
The Secret of Flight - Season 1 Episode 6 Epizodo 6
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.
- Jaro: 1959
- Lando: United States of America
- Ĝenro: Documentary
- Studio: PBS
- Ŝlosilvorto: educational, historical documentary
- Direktoro: Sam Becker
- Rolantaro: Alexander Lippisch
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