After a failed launch attempt of Boeing’s new Starliner crew capsule on May 6, NASA and the aerospace company are prepared for a second go — even though the spacecraft will be flying with a small helium leak.A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft aboard is rolled out of the Vertical Integration Facility to the launch pad on Thursday at Cape Canaveral Space Force Station in Florida, ahead of NASA’s Boeing crew flight test planned for Saturday.
The leak was detected on the United Launch Alliance Atlas V rocket on which the capsule is hitching a ride. The leak was discovered in a small control jet that helps the capsule make small adjustments while in orbit. However, there are 28 of these jets, and the teams working on the issue ensured that none of the others could fail. Helium is an inert gas and not combustible.The reason given for not fixing the leak was that it would have caused further delays to a launch that has faced years of setbacks.
When Starliner re-enters the atmosphere, it needs to lose a great deal of speed. It has three different ways of doing this — referred to as redundancy capabilities. One approach uses four special thrusters , another uses just two and the third approach uses eight smaller thrusters. "This is an important flight for us. It is not easy. I've been in human spaceflight for 37 years, and there's challenges with every single flight," Stich said of the findings. "There were challenges with space shuttle, there's challenges with the Orion vehicle that we're learning about as we flew that test flight, and there's challenges in every vehicle."
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