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Boeing's Starliner (thread renamed)


Kryten
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10 minutes ago, Racescort666 said:

Have they ever flown a 2 engine Centaur on an Atlas V?

Never.

Atlas V variants that have flown, in order of the number of launches, are 401, 551, 501, 421, 541, 411, 531, 431, and 521. In theory, they offer a two-engine Centaur for all the other configurations, but none have flown. The "N22" intended for the Starliner is essentially a 422 variant but with the capsule and LES instead of a four-meter fairing.

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41 minutes ago, Racescort666 said:

Have they ever flown a 2 engine Centaur on an Atlas V?

No. All Atlas V have been models numbered xx1 (401, 411, 551...) indicating a single engine on the upper stage.

Edit: damn ninjas

Edited by Gaarst
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  • 1 month later...
17 hours ago, Nightside said:

Summary: Boeing has met important “cool render” milestones...

Always a key milestone.

Someday maybe I should tell you my story about how our defense group contracted with a third-party consultant rather than with our commercial airplane noise engineering staff to provide noise control on an Air Force plane derived from one of our commercial jetliners ... because they thought that the color "heat map" noise plots in the consultant's proposal would impress the Air Force.

But probably I should wait until after I retire.

Edited by mikegarrison
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2 hours ago, NSEP said:

What is the first test launch going to do actually? Will it dock with the ISS and send cargo or will it just stay in LEO to test its systems for a little while and come back later?

The 2 test flights (uncrewed) are 14 days for each spacecraft, so I am assuming ISS.

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  • 6 months later...
51 minutes ago, tater said:

 

"A static-fire test of the complete launch abort system suffered a propellant leak at the end of the test. "

meaning: the abort engine tends to explode, aborting the abort procedure and, subsequently, triggering a crew ULCO event - Unplanned Life Cut Off. 

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