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NASA officials and Boeing engineers will run tests and try to fix the helium leak before the next possible launch window on May 21 at 4:43 p.m. ET. Helium is used on the Starliner to pressurize the fuel that powers the spacecraft’s thrusters for orbital maneuvering.

[...]

Sensors on Starliner first detected suspicious traces of helium inside the propulsion system while the spacecraft was on the launchpad last week, but those detections did not raise alarm to engineers at the time, according to a person briefed on the mission operations.

Boeing engineers investigated the helium detections while ULA was replacing the faulty valve on Atlas 5 and determined more testing and scrutiny was needed in order to meet the mission’s strict launch safety criteria, the person said.

Dugi píše: 2.8.2018 20:39 K pilotované misi lodi Starliner by mělo dojít v polovině roku 2019.
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