List server
Season
Season 1 Episode
- Season 1 Preview
- Season 1 The Laws of Fluid Motion
- Season 1 The History of Early Flight
- Season 1 The Discovery of Dynamic Lift
- Season 1 Stability and Control
- Season 1 Propulsion
- Season 1 The Problem of Drag
- Season 1 The Induced Drag
- Season 1 Different Aircraft Systems
- Season 1 Lift Theory and High Lift Devices
- Season 1 The Story of the Vortex
- Season 1 Flight of Nature
- Season 1 Modern Problems of Flight
The Secret of Flight - Season 1 Episode 7 The Problem of Drag
0.00 29 minutes Discusses and demonstrates the problem of drag created by friction and turbulence. Explains the need for a high ratio of lift to drag' to produce an aircraft with good performance characteristics. Illustrates with diagrams and models in the wind tunnel, also uses high speed photography of air movement over a wing in the wind tunnel.
