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NASA and the Private Sector - Page 144

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Keep debates civil.
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
November 14 2017 15:49 GMT
#2861
"Smokey, this is not 'Nam, this is bowling. There are rules."
LegalLord
Profile Blog Joined April 2013
United Kingdom13775 Posts
November 19 2017 18:47 GMT
#2862
Delta II's second to last flight yesterday.
History will sooner or later sweep the European Union away without mercy.
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
Last Edited: 2017-11-20 22:58:26
November 20 2017 22:57 GMT
#2863
So apparently the Zuma launch has been scrubbed till December per request, apparently, Northrop Grumman. Makes one wonder WTF is in the Cargo that is so classified...
"Smokey, this is not 'Nam, this is bowling. There are rules."
LegalLord
Profile Blog Joined April 2013
United Kingdom13775 Posts
November 20 2017 23:45 GMT
#2864
Wasn't it due to a PLF issue? Would probably be security concerns if anything.
History will sooner or later sweep the European Union away without mercy.
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
November 28 2017 06:45 GMT
#2865
(Reuters) - Elon Musk-led SpaceX has raised $100 million by selling shares, in an extension to a financing round earlier this year that raised up to $350 million, a regulatory filing showed on Monday.

SpaceX’s funding round in July had valued the rocket maker at about $21 billion, according to news reports.

In May, Space Exploration Technologies Corp launched its first satellite for the U.S. military with its Falcon 9 rocket, breaking a 10-year monopoly held by a partnership of Lockheed Martin (LMT.N) and Boeing (BA.N).

The Hawthorne, California-based company also has also outlined plans for a trip to Mars in 2022, to be followed by a manned mission to the red planet by 2024.

Besides SpaceX, Musk also leads electric car maker Tesla Inc (TSLA.O).


Source
"Smokey, this is not 'Nam, this is bowling. There are rules."
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
November 28 2017 15:14 GMT
#2866
"Smokey, this is not 'Nam, this is bowling. There are rules."
LegalLord
Profile Blog Joined April 2013
United Kingdom13775 Posts
November 28 2017 18:34 GMT
#2867
It was bumped to after CRS.
History will sooner or later sweep the European Union away without mercy.
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
Last Edited: 2017-11-29 03:49:54
November 29 2017 03:48 GMT
#2868
With Sierra Nevada Corporation’s Dream Chaser spaceplane through a successful and critical Approach and Landing Test milestone, the company is now shifting gears to focus on the all-important first orbital flight of Dream Chaser No Earlier Than 2020. That orbital flight will be part of Sierra Nevada Corporation’s fulfillment of NASA’s CRS2 Commercial Resupply Services cargo transportation effort for the International Space Station.

Dream Chaser’s second Approach and Landing Test (ALT-2) was a resounding success, with Sierra Nevada Corporation (SNC) noting that all flight objectives were achieved and data points obtained – including some regarding the Thermal Protection System and flight avionics software that flew for the first time on the second ATL flight.

During a post-ALT-2 press conference, Steve Lindsey, Vice President of Space Exploration for SNC, provided an overview of the changes made to the Engineering Test Article (ETA) Dream Chaser between its first ALT in 2013 and its second in November 2017.

According to Mr. Lindsey, “We took steps to put in orbital vehicle development and build processes and really ramp up the impact of our processes. But we also wanted to put specific orbital vehicle equipment on this [ETA] to get certification requirements from this and really determine how it will fly back from space.”

This drive led to the inclusion of actual flight software that will fly on the orbital version of Dream Chaser as well as redundant sets of flight computers and navigation sensors, all of which Mr. Lindsey noted will fly on the actual Dream Chaser space vehicle.

“We upgraded with all of those systems; we put additional redundancy on the vehicle to make it more robust,” stated Mr. Lindsey.

A rather significant visual change to Dream Chaser for ATL-2 was the removal of the boom on the vehicle’s nose that provided aerodynamic and angle of attack information during the first ALT.

For ALT-2, the boom was removed and replaced with a Flush Air Data System (FADS) that will fly on the orbital vehicle.

FADS uses a series of pressure ports on the nose of Dream Chaser to collect aerodynamic and angle of attack information that then feeds into the software and flight algorithms for control and stability during flight.

Inclusion of FADS on ALT-2 allowed SNC to gain critical data on how the system will perform during flight – something that will greatly aid the company as it pushes forward with finalization of all Dream Chaser system designs for flight.

Moreover, a slightly less obvious visual change was on the landing skid at the forward underside of Dream Chaser.

Unlike ALT-1, the second test afforded the opportunity to adhere actual Thermal Protection System (TPS) tiles that will fly on Dream Chaser to test those tiles’ ability to handle the skid landing system and assess how the tiles react once the skid hits a concrete runway surface.

“We actually flew real Thermal Protection System tiles … to test the manufacturing installation process and to characterize what would happen with a thermal protection system when we landed on a runway,” noted Mr. Lindsey.

“It gave us a chance to manufacture actual flight tiles and install those tiles and secure them onto are nose skid, and we were able to test what happened to those tiles when that skid contacted the runway.

“Because the tiles are fragile and have a low shear force, we wanted to characterize it and how it would affect our landing performance. And we were able to get all those objectives.”

Mr. Lindsey noted several times during the press conference that information was still being delivered and reviewed from ALT-2 and that some of the information was not available to discuss publicly at this point.

However, he did note that all test objectives appear to have been met successfully, with the 14,000 lbs Dream Chaser ETA gliding to its targeted point on runway 22L at Edwards Air Force Base, California, after a 60 second free flight that saw the vehicle achieve an angle of attack of 16.5 degrees and a nominal touchdown speed of 191 miles per hour (170 knots).

Once Dream Chaser touched down, the vehicle rolled out for 4,200 feet before coming to a stop, which SNC noted was slightly less than what they anticipate the heavier, operational Dream Chasers will achieve when they land at the Shuttle Landing Facility (SLF) at the Kennedy Space Center and the end of their missions

“We were a little limited on our test vehicle’s weight because of the helicopter,” noted Mark Sirangelo, corporate Vice President of SNC’s Space Systems. “The orbital vehicle will likely roll out a little bit further than that as it’s going to be a little heavier than our test vehicle.”

With the SLF at KSC being 15,000 feet long, a great deal of margin exists for landing operations of Dream Chaser at the Spaceport in Florida.


Source
"Smokey, this is not 'Nam, this is bowling. There are rules."
lestye
Profile Blog Joined August 2010
United States4163 Posts
December 02 2017 02:35 GMT
#2869


"You guys are just edgelords. Embrace your inner weeb desu" -Zergneedsfood
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
Last Edited: 2017-12-04 20:06:37
December 04 2017 20:06 GMT
#2870
"Smokey, this is not 'Nam, this is bowling. There are rules."
lestye
Profile Blog Joined August 2010
United States4163 Posts
December 07 2017 09:04 GMT
#2871
Do people following this consider Blue Origin a serious contender in the space? I'm not the most knowledgeable person, but right I'm now im inclined to bundle them with Virigin, famous for having rich owners and not because of any great accomplishments

They get an awful amount of press though.
"You guys are just edgelords. Embrace your inner weeb desu" -Zergneedsfood
LegalLord
Profile Blog Joined April 2013
United Kingdom13775 Posts
December 07 2017 15:33 GMT
#2872
Their engine seems to be good, but their rocket is a questionable project. I take a “I’ll believe it when I see it” approach to them.
History will sooner or later sweep the European Union away without mercy.
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
December 07 2017 18:40 GMT
#2873




The Bigelow Expandable Activity Module, known as BEAM, will remain attached to the International Space Station to provide additional performance data on expandable habitat technologies and enable new technology demonstrations. NASA awarded a sole-source contract to Bigelow Aerospace to support extension of the life of the privately-owned module, and its use to stow spare space station hardware.

After NASA and Bigelow successfully completed collaborative analyses on BEAM life extension and stowage feasibility, astronauts began the process to provide additional storage capability aboard the station by removing hardware used for the initial BEAM expansion. They then converted sensors that monitor the BEAM environment from wireless to wired (to prevent interference from future stowage items on transmission of sensor data). Next they installed air ducting, netting, and large empty bags to define the stowage volume for hardware inside BEAM. NASA and Bigelow later will likely add a power and data interface to BEAM, which will allow additional technology demonstrations to take place for the duration of the partnership agreement.

This new contract, which began in November, will run for a minimum of three years, with two options to extend for one additional year. At the end of the new contract, the agency may consider another extension or could again consider jettisoning BEAM from the station.

The space inside BEAM will hold up to 130 Cargo Transfer Bags of in-orbit stowage. Long-term use of BEAM will enable NASA and Bigelow to gather additional performance data on the module’s structural integrity and thermal stability and resistance to space debris, radiation, and microbial growth, to help NASA advance and learn about expandable space habitat technology in low-Earth orbit for application toward future human exploration missions. Using BEAM for stowage will free up about 1.87 cubic feet (0.53 cubic meters) of space in other station modules for research.

NASA’s use of BEAM as part of a human-rated system allows Bigelow Aerospace to demonstrate its technology for future commercial applications in low-Earth Orbit. Initial studies have shown that soft materials can perform as well as rigid materials for habitation volumes in space and that BEAM has performed as designed in resistance to space debris.

BEAM launched on the eighth SpaceX Commercial Resupply Service mission in 2016. After being attached to the Tranquility Node using the station’s robotic Canadarm2, it was filled with air to expand it for a two-year test period to validate overall performance and capability of expandable habitats. Since the initial expansion, a suite of sensors installed by the crew automatically take measurements and monitor BEAM’s performance to help inform designs for future habitat systems. This extension will deepen NASA’s understanding of expandable space systems by making the BEAM a more operational element of the space station to be actively used in storage and crew operations.

Space station crew members have entered BEAM more than a dozen times since its expansion in May 2016. The crew has conducted radiation shielding experiments, installed passive radiation badges called Radiation Area Monitors, and routinely collect microbial air and surface samples. These badges and samples are returned to Earth for standard microbial and radiation analysis at the Johnson Space Center.

The public-private partnership between NASA and Bigelow supports NASA’s objective to develop deep space habitation capabilities for human missions beyond Earth orbit while fostering commercial capabilities for non-government applications to stimulate the growth of the space economy.


Source
"Smokey, this is not 'Nam, this is bowling. There are rules."
CuddlyCuteKitten
Profile Joined January 2004
Sweden2613 Posts
December 09 2017 12:29 GMT
#2874
Can inflatable modules handle rotating movement?

The third gen one seems to be about 3 times longer than the B330. That would make it about 45 m long. If you stick 2 of them at each end of a central hub and spin them up and that should be enough for at least a decent amount of gravity near the ends.
waaaaaaaaaaaooooow - Felicia, SPF2:T
{CC}StealthBlue
Profile Blog Joined January 2003
United States41117 Posts
December 10 2017 01:32 GMT
#2875
"Smokey, this is not 'Nam, this is bowling. There are rules."
ZerOCoolSC2
Profile Blog Joined February 2015
8983 Posts
December 11 2017 18:05 GMT
#2876
President Trump's administration hasn't been shy about wanting to put people back on the Moon, and now it's taking action to make sure that happens. In a statement, the White House said the President would sign Space Policy Directive 1, which orders NASA to lead an "innovative space exploration program" that sends astronauts to the Moon and, "eventually," Mars. Details of what the policy entails aren't available at this point, but the signing will take place at 3PM Eastern. The date isn't an accident -- it's the 45th anniversary of the landing for the last crewed Moon mission, Apollo 17.

Vice President Pence shed some light on the motivations in October. The symbolism of returning to the Moon is a factor, of course, but Pence also saw it as a way to "build the foundation" for trips to Mars "and beyond." Both the presidential transition team and NASA's director nominee Jim Bridenstine have floated the possibility of mining the Moon, but there's no immediate indication that this will be part of the directive.

Whether or not the strategy is a good one is up in the air. Some support Pence's approach, arguing that the US needs more recent experience with human exploration than the Apollo missions before it travels all the way to Mars. It could also help create a lunar station that simplifies Mars voyages. However, there are concerns that the insistence on a moonshot won't help much, and may only serve to delay a visit to Mars at a significant expense to the public. And of course, there's the question of this being used to justify a shift away from the climate science that the current administration hates so much. Whatever the reasons, the debate is largely moot -- the US is going to try for more astronauts on the Moon.

Source
LegalLord
Profile Blog Joined April 2013
United Kingdom13775 Posts
Last Edited: 2017-12-11 19:06:25
December 11 2017 19:04 GMT
#2877
Moon first is the only path that makes sense. Asteroid first is just straight up idiotic and Mars first is constrained by the fact that it just isn’t going to be feasible for at least two decades. Going to the moon gives you a chance to take advantage of lots of cooperative agreements with commercial and international partners for developing lunar infrastructure, whereas Mars would have none of that. There’s plenty of good work to do on the moon, like building a lunar infrastructure that incidentally would help make a Mars mission much easier.

The promise of Mars appeals to people who don’t actually look into the absolutely daunting technical challenges that such a mission would actually present. Congress would balk at any real price tag for such a mission and no one else would be on board. Sure, some people who aren’t accountable for their promises can say they will get you there within just a few more years, but that won’t make it true.

The biggest argument against the moon is “been there done that” which misses the point in that there is far more to do on the moon than just step on it, collect a few samples, and leave.
History will sooner or later sweep the European Union away without mercy.
lestye
Profile Blog Joined August 2010
United States4163 Posts
December 11 2017 19:30 GMT
#2878
Why would asteroid be idiotic? For a stepping stone to Mars, yeah I can see why it'd be idiotic, but I think it'd make sense to master asteroid landing given thats the best way to make spaceflight sustainable, by learning how to harvest resources.
"You guys are just edgelords. Embrace your inner weeb desu" -Zergneedsfood
LegalLord
Profile Blog Joined April 2013
United Kingdom13775 Posts
December 11 2017 19:54 GMT
#2879
You could mine the moon much easier than you could mine asteroids. More resources, easier to prospect, a shorter return trip, and it's feasible to refuel off the moon. The real kicker is that asteroids don't have much of a gravity well, so landing is a bigger pain than even on Mars. And why would you need people there? In short it ends up being a mission harder than Mars with none of the benefits, mostly done because going to the moon isn't "sexy" enough.

Regarding space mining as a general concept - well, it's not going to be economical for a long time. Asteroids are probably less promising than planets for mining anyways; planets have more resources on them and it's not like anyone's using them anyhow. In any case the most important resource for the foreseeable future will almost certainly be water, and we know the moon has a lot of that, and we also know the moon has much better solar power efficiency than any asteroids worth mining, so it's an easy choice.

I mean there's a lot more to it than that but every issue basically boils down to "doing it on the moon is better in every way." Which makes a fixation with not going there kind of dumb.
History will sooner or later sweep the European Union away without mercy.
lestye
Profile Blog Joined August 2010
United States4163 Posts
December 11 2017 19:59 GMT
#2880
Ah, I wasn't aware of most of your points. I thought it would be easier to land and take off with the lack of gravity well. I think asteroids have way more of a variety of resources though, if I'm not mistaken? Granted, the Moon would probably be more economical since it has something Earth would find useful, Helium 3.
"You guys are just edgelords. Embrace your inner weeb desu" -Zergneedsfood
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