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Eigenvalues characterizing the longitudinal natural modes of motion of H. lineata predicted by the theoretical flight dynamics model.
| slow, unstable oscillatory mode | fast, stable monotonic mode | slow, stable monotonic mode | |
|---|---|---|---|
| eigenvalue | 7.72±16.38i | –19.92 | –2.37 |
| time to half/double (wingbeats) | 3.7 | 1.4 | 12.0 |
| frequency (Hz) | 2.6 | — | — |
