Flight Investigation of Effects of Rotor-Blade Twist on Helicopter Performance in the High-Speed and Vertical-Autorotative-Descent Conditions
| Author: | Gessow, Alfred |
|---|---|
| Year: | 1948 |
| Document Type: | N/A |
| Series: | NACA Technical Notes |
| Report Number: | NACA-TN-1666 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc54698/ |