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Boeing Will Launch Starliner With Helium Leak (www.extremetech.com)

submitted 5 months ago by [email protected] to c/[email protected]

55 comments fedilink hide all child comments

Boeing and NASA are moving ahead with the upcoming Starliner demonstration launch despite an active helium leak. The launch is now on the books for Saturday, June 1, at 12:25 p.m. EDT. If all goes as planned, Starliner will rendezvous with the International Space Station the following day and return to Earth on June 10. If not, it will be another embarrassing setback for Boeing's troubled spacecraft.

Technicians discovered helium escaping from the fuel system earlier this month after valve issues caused NASA to halt the last launch attempt. NASA said in a recent news conference that the extremely slow leak does not pose a danger to the spacecraft. This is based on an exhaustive inspection of Starliner, which was removed from the launchpad along with the Atlas V so the valve in ULA's rocket could be swapped. It was then that the team noticed the helium leak in Starliner.

Even though the optics of launching with an active leak aren't ideal for the troubled Boeing craft, NASA says engineers have done their due diligence during this multi-week pause. Every space launch has risk tolerances, and NASA has judged this one to be in bounds. Helium is a tiny atom that is difficult to fully contain—even the highly successful SpaceX Dragon has occasionally flown with small leaks. While helium is part of the propulsion system, this inert gas is not used as fuel. Helium is used to pressurize the system and ensure fuel is available to the spacecraft's four "doghouse" thruster assemblies and the launch abort engines.

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[–] [email protected] 3 points 5 months ago (1 children)

Morton Thiokol has entered the chat

[–] [email protected] 3 points 5 months ago

Morton Thiokol

you mean Allan McDonald?

Interestingly enough:

The focus of the commission’s investigation shifted to the booster rocket O-rings, and the concerns and efforts of McDonald and his engineers to stop the launch which were ignored by NASA officials. McDonald’s comments to the commission led to him temporarily losing his position with Morton Thiokol, being demoted.

The presidential commission was alarmed at Morton Thiokol’s decision to punish McDonald and introduced a joint resolution that threatened to prevent Morton Thiokol from receiving further contracts from NASA. Given the commission’s threat, Morton Thiokol promoted McDonald to vice president and tasked him with improving the rocket joints that failed during Challenger’s launch.

Perhaps the U.S. govt needs to step in again to right the ship at boeing. Well, I'm being coy, of course the U.S. gov't has to step up and do something. Companies should never be some sacred cow that we're afraid of upsetting.