某型机悬停性能问题的排查方法

A Search Method to Some Helicopter Hover Performance Problem

某型机试飞时发现,直升机悬停时的起飞重量,比理论计算值低150kg以上,比国外类似机种飞行手册中的数据低约220kg。详细介绍了排查该型机悬停性能问题的方法和具体所做的工作,给出排查的结果,提出了一些改进建议,可以为国内其它机型解决类似问题提供参考。

During Some helicopter flight test,its Maximum Hover takeoff weight was 150kg lower than theoretical calculation value,it was also 220kg lower than flight manual data of foreign similar helicopter.This paper introduced the method and work carried out to searching the helicopter Hover Performance Problem detailedly.Author gave the analysis result and put forward some advices for the future.It could provide reference to other helicopter during solving similar problem.