|
| Natural frequency |
| ||||
| Mode | Two bladed rotor1 | Two bladed rotor2 | Three bladed rotor1 | Three bladed rotor2 | Five bladed rotor1 | Five bladed rotor2 |
| 1 | 49.336 | 74.269 | 14.5525 | 19.457 | 9.2613 | 12.407 |
| 2 | 50.158 | 76.544 | 14.5647 | 19.133 | 9.2614 | 12.598 |
| 3 | 69.737 | 97.697 | 16.574 | 21.866 | 9.6173 | 13.8 |
| 4 | 104.59 | 129.998 | 17.947 | 23.074 | 9.6449 | 13.986 |
| 5 | 106.99 | 157.775 | 40.983 | 52.588 | 22.396 | 34.763 |
| 6 | 137.24 | 185.936 | 42.154 | 55.986 | 25.408 | 35.757 |