This setting could increase the damping of angular rates and improve the stability. Based on Bell stabilizer bar, Bell-Hiller stabilizer bar adds small wing on the two ends of bar.

• 贝尔稳定杆由一杆与两质量块组成,它与贝尔直升机的跷跷板旋翼垂直交叉放置,这种旋翼装置有助于加大角速度阻尼,改善贝尔直升机的稳定性,但同时也降低了操作性。