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.
| Title | The Secret of Flight - Season 1 Episode 6 Propulsion |
|---|---|
| Year | 1959 |
| Genre | Documentary |
| Country | United States of America |
| Studio | PBS |
| Cast | Alexander Lippisch |
| Crew | Sam Becker (Director) |
| Alternative Titles | |
| Keyword | educational, historical documentary |
| First Air Date | Jan 01, 1959 |
| Last Air date | Jan 01, 1959 |
| Season | 1 Season |
| Episode | 1 Episode |
| Runtime | 29:14 minutes |
| Quality | HD |
| IMDb: | 0.00/ 10 by 0.00 users |
| Popularity | 1.604 |
| Language | English |
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