Flight tests of a helicopter in autorotation, including a comparison with theory
| Author: | Gessow, Alfred |
|---|---|
| Year: | 1947 |
| Document Type: | N/A |
| Series: | NACA Technical Notes |
| Report Number: | NACA-TN-1267 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc55154/ |