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Old 09-20-2013, 06:54 AM   #121
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Orbital Science has launched its first spacecraft to the ISS today.
Yeah, not a very exciting launch to watch, especially compared to the Ladee launch a couple of weeks ago. Because it was daytime it was more like watching a very fast vertical jet climb. No fabulous light show. Oh well, I guess they have other things to take into consideration than my entertainment value when they schedule these.
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Old 10-16-2013, 10:07 AM   #122
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Here is an interesting SpaceX report on the fight of its latest rocket. Besides using much more powerful engines to put the satellites in orbit, the rocket attempted to restart both its first and second stages. Both were partially successful. The restart of the 1st stage allowed it to reenter the atmosphere in a controlled way without burning up. However, they had problems and it hit the water hard enough to break up, so there is some more work to do. Still they believe there are close to full recovery of the boost stage.

Interesting stuff for all the geeks and space exploration aficionados.

Upgraded Falcon 9 Mission Overview | SpaceX

http://www.space.com/23193-spacex-gr...hop-video.html
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Old 10-17-2013, 10:09 AM   #123
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An interesting article on Chinese activities in space:

China Looms as Main Launch Competition, SpaceX Says | Space.com
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Old 11-16-2013, 11:17 AM   #124
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Looks like we may see American manned spacecraft again in a few years:
https://twitter.com/elonmusk/status/...666496/photo/1
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Old 11-16-2013, 03:15 PM   #125
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Looks like we may see American manned spacecraft again in a few years:
https://twitter.com/elonmusk/status/...666496/photo/1
With a "printed Inconel chamber". Yow. Using a 3D printer to fabricate complex geometry pieces for a rocket combustion chamber. Out of Inconel (pretty tough alloy used in harsh environments).

That gets rid of a lot of troublesome welding work in fabricating the engine.
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Old 11-16-2013, 03:38 PM   #126
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With a "printed Inconel chamber". Yow. Using a 3D printer to fabricate complex geometry pieces for a rocket combustion chamber. Out of Inconel (pretty tough alloy used in harsh environments). That gets rid of a lot of troublesome welding work in fabricating the engine.
Many news jet engines will have parts made by additive mfg. There are more than 20,000 different metal parts flying today.
You can also do subtractive "machining" & "additive" on the same machine - grow & cut. Todays replicator ...
http://www.mmsonline.com/blog/post/h...-manufacturing
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Old 11-16-2013, 04:55 PM   #127
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Many news jet engines will have parts made by additive mfg. There are more than 20,000 different metal parts flying today.
You can also do subtractive "machining" & "additive" on the same machine - grow & cut. Todays replicator ...
Hybrid Machine Combines Milling and Additive Manufacturing : Modern Machine Shop

Thanks, truly an amazing technology.
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Old 11-16-2013, 05:02 PM   #128
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Ok this material science stuff is over my head, but it doesn't it look like duct tape on the rocket engine
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Old 11-16-2013, 06:58 PM   #129
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Ok this material science stuff is over my head, but it doesn't it look like duct tape on the rocket engine
Yea, it's duct tape. Did you see Gravity? They use duct tape on everything in outer space.
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Old 11-16-2013, 07:38 PM   #130
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BBC's "The Challenger Disaster" movie will be simulcast on Discovery and the Science channel at 8PM CST

Review: Dogged pursuit of tragedy's truth in 'Challenger Disaster' - latimes.com
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Old 11-16-2013, 09:56 PM   #131
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As we begin the internet of things, my first order will be my own Tricorder.


http://mobihealthnews.com/27186/meet...order-x-prize/
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Old 11-16-2013, 10:59 PM   #132
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BBC's "The Challenger Disaster" movie will be simulcast on Discovery and the Science channel at 8PM CST

Review: Dogged pursuit of tragedy's truth in 'Challenger Disaster' - latimes.com
I thought it was a good movie about a great man. I hope the managers who are charge of the ACA website spend a couple of hours and watch the movie and take the lessons to heart, because they obviously haven't so far.
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Old 11-18-2013, 06:34 PM   #133
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Mars Launch Today:

NASA Launches Spacecraft to Mars Today: Watch Live

CAPE CANAVERAL, Fla.: NASA launches robotic explorer to Mars - Technology - MiamiHerald.com
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Old 11-18-2013, 06:39 PM   #134
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More detailed info on the mission, including info on the instrumentation package.

MAVEN - Wikipedia, the free encyclopedia
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Old 11-18-2013, 06:51 PM   #135
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Another launch is scheduled for tomorrow from Virginia's Wallops Island facility. Air Force Minotaur Rocket Launching from Virginia November 19 | NASA

A viewing map is here, scroll down a bit.

The last few launches there was heavy overcast here so I couldn't see it but for those of us on/near the U.S. east coast it is unusual to see a rocket launch.
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Old 11-18-2013, 09:46 PM   #136
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This one is going to be a Minotaur 1, which is a smaller rocket then the Minotaur V they used to launch the LADEE module. I'm not sure it will be as visible as the V, plus it's supposed to be pretty cloudy. But I'll be watching. As you say, until recently it's been a rare opportunity to be able to see all this great space activity on the middle coast. Wallops Island is getting a lot of good action these days.
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Old 11-19-2013, 05:35 AM   #137
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An interesting side note: Last weekend was the funeral for one of DW's favorite aunts, who was married and predeceased by her husband, who worked for John's Hopkins Applied Physics Lab designing satellite navigation systems and often went to Wallops Island for launches.

One of his grandsons recently started working there too and is often at Wallops Island for launches. Funny how things turn out sometimes.
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Old 11-19-2013, 05:31 PM   #138
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A good PBS show Silicon Valley goes Space Obviously a fair amount about SpaceX but discusses a number of Valley companies involved in space, several of which I had never heard of.
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Old 11-19-2013, 08:28 PM   #139
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Nice view of the launch tonight. We were in the Ocean City Inlet parking lot with a couple of hundred other people. Could see the lift-off flames pretty clearly, then the flight and a couple of the stages being dropped. It was clearer than I thought it would be. The only issue I had was that the kid at Taco Bell was so slow I thought we were going to have to watch the launch from the drive through window in the rear view mirror. But it all worked out. Fun way to spend an evening.
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Old 11-23-2013, 03:34 PM   #140
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SpaceX will make its first attempt to put a satellite in to a geosynchronous orbit tomorrow. It will require a restart of its second stage engine, if I read this right. They have not yet done that in space.
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