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某型直升机载荷试飞中,要求获得不同坡度时斜坡起降的直升机载荷。该文根据所设计的试飞方案进行了现场试飞验证,并对比了桨毂处载荷的理论值与实验值。试飞结果表明,该型直升机具备所要求的斜坡起降能力,保证试飞安全;桨毂载荷随着坡度角的增加而增大,实验值比理论值稍大;所实施的试飞技术方法合理可行,具有工程实用性。
A certain type of helicopter load test flight, requiring access to different slopes when the helicopter load off the slope. According to the designed flight test program, the paper carried out on-the-spot flight test and compared the theoretical and experimental values of the load at the hub. The test results show that the helicopter has the required ability of taking off and landing slopes and ensuring flight safety. The load of hub increases with the increase of slope angle, and the experimental value is slightly larger than the theoretical value. The flight test method is reasonable and feasible, With engineering practicality.