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The first technical responsibility for the pitch paddle blade design was successfully completed.
Recently, a shipbuilding ship and the second ship have been delivered to customers. According to the test results, its rapid performance and hull vibration performance meet the technical requirements, which indicates that the blade design of the pitching paddle (purchasing supply) for the first time and the technical responsibility of the company was successful.
     As the unit responsible for the blade technology responsibility of the model products for the first time, in addition to designing the blades, the 780 propulsion department also participated in the whole process of blade manufacturing, pitching paddle integration and sea trials. The project team personnel lasted for 3 years. With the full support of the overall design department, the design was carefully designed and finally yielded satisfactory results.
     The successful design of this type of pitch control blade indicates that the 780 propulsion department has taken a solid step on the road of pitch paddle development.