SpaceX has tested the thermal protection of the ship Starship

In February Raptor rocket engine intended for a ship Starship from SpaceX, has successfully passed the test firing. The company is moving ahead and, according to Elon musk, in the coming days the ship will make its first test jump with one engine, followed by suborbital flight with three engines. Also the founder of SpaceX showed video from the tests of the protective coating, which will not allow the ship to burn up in the atmosphere upon returning to Earth.

Космический корабль Starship

The heat shield will be located on one side of the ship and to provide a coating made of hexagonal tiles. The choice of the engineers fell to this form, because is formed between the plates, the joints do not leave direct paths for heated gases of the atmosphere. To protect rascaless areas will apply the method of transpiration cooling, where the methane and water will evaporate in 10 micron holes on the back side of the cover and thereby cooling the external part.

It is reported that the coating has been successfully tested at temperatures over 1300 degrees Celsius — enough to survive the return to Earth. It is noteworthy that the ship will be ready for re-flight, immediately after landing, and will not require repeated repair.

Transpiration cooling will be added everywhere, where we will see the destruction of the shield. The ship will be ready to fly again immediately after landing.

Elon Musk, founder of SpaceX

Areas prone to particularly high temperatures, will be revealed in the next test. Rather, it is scheduled for this week, because the road near the territory of SpaceX in the Dominican town of Boca Chica closed on March 18.

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