On Dec 4, 7:09*pm, wrote:
Mark. wrote:
On Dec 4, 1:54*pm, wrote:
Mark. wrote:
On Dec 4, 9:26*am, "Mark." wrote:
http://news.discovery.com/space/secr...ds-in-californ...
"Shrouded by darkness, the military’s miniature space shuttle -- a
unmanned robotic craft -- returned early Friday from a trial run in
orbit that spanned 224 days."
---
Mark IV
"Rather than hydrogen-oxygen fuel cells like the space shuttle
orbiters, the X-37B is powered by gallium arsenide solar cells with
lithium-ion batteries."
WHAT DID THEY JUST SAY? *Now they're
using solar cells and lithium-ion batteries?!
Who predicted that?
Since spacecraft have been using solar cells and rechargable batteries for
about a half a century now, it would be hard to say who predicted such a
thing.
Though your dim little mind probably thinks they are running the engines
of a spacecraft with electricity.
OPERATIVE PHRASE:
"Rather than hydrogen-oxygen fuel cells like the space shuttle
orbiters,"
(other reply is ari-troll, not me)
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Mark IV
It is a military project, which means the goals, conciderations, design
contraints, economics, and everything else has little in common with a
civilian project.
--
Jim Pennino
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Valid points within reason. By virtue of the fact that it
*is* military, right off the bat we know that cost has a far
different priority. The military can not only spend more due
to the fact that they won't go out of business, but they WILL
spend more due to nepotism. Cost overruns are business
as usual.
Goals and considerations are what they are. Spying.
So no, if it were civilian you'd not have the equipment
aboard for that.
Designs constraints? Flight is flight. If a civilian group
wanted a reuseable orbital with autonomous reentry
the design wouldn't have "little in common". It looks
just like the space shuttle, but smaller. That's why
it's called the "minishuttle" by the press.
But among the "technologies to be tested", we see...
"lightweight electromechanical flight systems".
That wouldn't be something done for half a century,
or it wouldn't be technologies to be tested.
So your "dim witted" comment would be best done to
the mirror, or better yet...not at all.
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Mark IV