"U.S. Air Force's X-37B Space Plane Will Launch On..." Topic
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| Tango01 | 25 Apr 2015 9:24 p.m. PST |
… Its Fourth Mystery Mission In May. "The United States Air Force's X-37B space plane will launch on its fourth mystery mission next month.
The unmanned X-37B space plane, which looks like a miniature version of NASA's now-retired space shuttle orbiter, is scheduled to blast off atop a United Launch Alliance Atlas V rocket from Florida's Cape Canaveral Air Force Station on May 20…"
Full article here
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Amicalement
Armand |
| Onomarchos | 26 Apr 2015 5:58 a.m. PST |
I wonder why the support crew needs to have a full environmental suit to work on the aircraft? |
| Lion in the Stars | 26 Apr 2015 1:21 p.m. PST |
@Onomarchos: I'm willing to bet that the reaction control system thrusters are the same as the Shuttle's, and use hydrazine fuel. That stuff is frighteningly toxic. |
| 49mountain | 04 May 2015 10:36 a.m. PST |
They might be working in a Nitrogen atmosphere (but I doubt it). |
| Martin From Canada | 04 May 2015 1:21 p.m. PST |
Actually, the main engine is also running on anhydrous hydrazine. VERY nasty stuff, but it's useful for this type of mission since it combines great fuel economy and the ability to be stored on orbit for years at a time – something that less toxic fuel combos such liquid oxygen and liquid hydrogen/RP1 can't do since they will simply boil away. |
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tries out the expansion roads set.
