Live: Starship SN11 flight test from Starship in Texas

Space Exploration

The Inspiration4 mission is set to launch later this year. (Photo courtesy: Space X, St. Jude)

HOUSTON (CW39) Tuesday morning, the SpaceX team attempted a high-altitude flight test of Starship serial number 11 (SN11) – their fourth high-altitude flight test of a Starship prototype from Starbase in Texas.

Similar to previous high-altitude flight tests of Starship, SN11 is powered through ascent by three Raptor engines, each shutting down in sequence prior to the vehicle reaching apogee – approximately 10 km in altitude.

SN11 will perform a propellant transition to the internal header tanks, which hold landing propellant, before reorienting itself for reentry and a controlled aerodynamic descent.

The Starship prototype will descend under active aerodynamic control, accomplished by independent movement of two forward and two aft flaps on the vehicle. All four flaps are actuated by an onboard flight computer to control Starship’s attitude during flight and enable precise landing at the intended location. SN11’s Raptor engines will then reignite as the vehicle attempts a landing flip maneuver immediately before touching down on the landing pad adjacent to the launch mount.

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