Shulou(Shulou.com)11/24 Report--

CTOnews.com October 3 news, learned from the Blue Arrow Aerospace official that on September 25, the "Tianque" family vacuum liquid oxygen methane engine-TQ-15A completed its first assembly at the Huzhou intelligent manufacturing base, and plans to deliver it to the test bench for test run on October 8.

▲ source: blue Arrow Aerospace CTOnews.com learned that Blue Arrow Aerospace said that TQ-15A will be put into use as the second batch of two-stage main engine of Vermilion Bird II rocket. The engine and TQ-12A general-purpose turbine pump, valve, gas generator and other key components, using pump forward swing scheme, vacuum thrust up to 836kN, can achieve 60% color 110% deep push, and the overall performance reaches the international advanced level.

According to reports, compared with the two-stage engine of the Vermilion Bird II rocket in service, its advantages are as follows:

Cancel the tour machine, reduce the complexity of the system, and reduce the weight by about 400kg

With ±4 °two-way rocking function, attitude control can be carried out without the need for a pleasure machine.

It has the function of three times ignition and depth transformation, which can meet a variety of ballistic requirements.

By using the pump front pendulum layout scheme, the pump-push distance is reduced and the structural compactness is improved.

The turbine pump applies the end face sealing technology to reduce the leakage rate and simplify the rocket launch process.

The turbine pump is changed to a two-stage turbine, which improves efficiency and reduces engine size at the same time.

The turbine exhaust introduces the extension section of the thrust chamber nozzle, which improves the specific impulse performance of the engine and reduces the lateral force of the engine.

Blue Arrow Aerospace pointed out that with the application of TQ-15A in the future, while the cost of Vermilion Bird II carrier rocket will be reduced, the carrying capacity will also be further enhanced to meet the launch needs of more types and meet the requirements of commercial development of carrier rockets in the future.

Related readings:

"domestic private rocket Blue Arrow Aerospace: Tianque 80-ton improved engine has completed the second starting test and has the ability to be reused."

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