1 Ixesha
1 Isiqendu
The Secret of Flight - Season 1 Episode 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.
- Unyaka: 1959
- Ilizwe: United States of America
- Uhlobo: Documentary
- Isitudiyo: PBS
- Igama elingundoqo: educational, historical documentary
- UMlawuli: Sam Becker
- Abalingisi: Alexander Lippisch