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The Secret of Flight - Temporada 1 Episodio 6
The Secret of Flight
Ver The Secret of Flight - Temporada 1 Episodio 6 Online 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.
- Año: 1959
- País: United States of America
- Género: Documentary
- Estudio: PBS
- Director: Sam Becker
- Emitir: Alexander Lippisch