| 1. | During helicopter slung - load flight , the main flight quality modes include : phugoid , dutch roll , longitude and latitude slung - load oscillation . according to the ads - 33e - prf specifications , the flight stability qualities had been evaluated
直升机机外吊挂飞行过程中,体现飞行品质的运动模态主要为荷兰滚模态、纵向浮沉振荡模态,以及吊挂物横向、纵向振荡模态。 |
