A new calculation method was proposed for the typical structure of the platelet transpiration flux in the rocket thrust chamber based on the test data of another chamber.

针对典型的层板发汗冷却结构，提出了利用一个推力室的实验数据来计算另一推力室所需发汗流强的方法。

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This is more efficient than the hot gas which provides the thrust in a conventional rocket.

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When ignited in a test pit the rocket, called the B4, produced a thrust of about a quarter of a tonne and behaved exactly as predicted.

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The two-stage Falcon 9 rocket uses nine engines to generate 855, 000 pounds of thrust, and is capable of carrying more than than 7, 000 pounds of cargo.

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