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Re: SpaceX

Post by Zaxxon » Tue Sep 16, 2014 2:57 pm

Yay, competition!

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Re: SpaceX

Post by Enough » Tue Sep 16, 2014 6:54 pm

Both? What about all three?
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Re: SpaceX

Post by Kraken » Tue Sep 16, 2014 10:52 pm

Enough wrote:Both? What about all three?
"File not found"

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Re: SpaceX

Post by Enough » Wed Sep 17, 2014 12:39 pm

Kraken wrote:
Enough wrote:Both? What about all three?
"File not found"

Works for me. I was linking to a story about Sierra Nevada's Dream Chaser. I am curious why they didn't get funded, the comments on Reddit make it sound like their design was actually pretty robust. I think Boeing got it cause Boeing and Space X is already in action with ISS, making Dream Chaser the odd man out.

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Re: SpaceX

Post by LawBeefaroni » Wed Sep 17, 2014 12:48 pm

Enough wrote:
Kraken wrote:
Enough wrote:Both? What about all three?
"File not found"

Works for me. I was linking to a story about Sierra Nevada's Dream Chaser. I am curious why they didn't get funded, the comments on Reddit make it sound like their design was actually pretty robust. I think Boeing got it cause Boeing and Space X is already in action with ISS, making Dream Chaser the odd man out.
Odd woman out, you mean. Don't take this the wrong way, but it always bothered me that SNC is so in-your-face about being woman owned. It's a husband and wife ownership team but for federal contractracting they get the Woman-owned tag. Which is fine but it just has always seemed so token. And don't forget, they did get $250M in federal funds to work on Dream Chaser.

However, everything I've seen says that the Dream Chaser was certainly a viable design so I'm certainly not saying they were only in it because of their woman-owned status.



FWIW, the link to the story worked fine for me.
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Re: SpaceX

Post by Kraken » Wed Sep 17, 2014 4:50 pm

Link works fine today.

I like Dreamchaser's shuttle design, but understand that NASA can't spread the money too thin and that design isn't as mature as the others. Personally, I'd have liked to see Boeing get less and SN get a lifeline. Boeing has the deepest pockets already.

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Re: SpaceX

Post by LawBeefaroni » Thu Sep 18, 2014 9:27 am

Boeing's design includes a revenue generator:
Boeing's planned "space taxi," which will ferry U.S. astronauts to the International Space Station, or ISS, will include a seat for paying tourists to visit the facility, a first for the U.S. space program.

Boeing will be permitted to sell rides to tourists under its contract with NASA, Boeing Commercial Crew Program Manager John Mulholland told Reuters, adding that the price would be competitive with what the Russian space agency now charges tourists for future flights to the orbital outpost.
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Re: SpaceX

Post by Isgrimnur » Fri Jan 16, 2015 2:02 pm

Landing on a barge didn't go so well.
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Re: SpaceX

Post by Zaxxon » Fri Jan 16, 2015 2:07 pm

Isgrimnur wrote:Landing on a barge didn't go so well.
That's true as far as it goes. The mission was actually a pretty solid success given the pre-launch expectations, though. Rocket went boom, but still got much closer than anyone else has ever done. Further, they think they know the cause of the failure (despite the conjecture by Ars), and have corrected it for the next scheduled launch (currently scheduled for late this month). Plus, we got some cool shots of a rocket exploding.

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Re: SpaceX

Post by Isgrimnur » Tue Jan 20, 2015 12:04 pm

AF Secretary certain SpaceX will get certified:
Air Force Secretary Deborah Lee James made the comments during a State of the Air Force briefing Thursday at the Pentagon.

“As far as I’m concerned, this is not a question of if they will be certified, it’s a question of when,” she said. “It’s still some months away, but I’m certain that it will be there.”

Air Force officials were “disappointed” they weren’t able to qualify the start-up rocket-maker by the end of the year as planned, James said. Lt. Gen. Sam Greaves, commander of the Space and Missile Systems Center at Los Angeles Air Force Base, is leading the certification process, which was delayed by at least six months.

The company, known as SpaceX and headed by billionaire Elon Musk, met 80 percent of the criteria for certification; 20 percent remains to go, James said.

“This is real engineering work that needs to be demonstrated, this is not a paperwork shuffle,” the secretary said. “I hope SpaceX knows we’re operating in good faith.”
...
“We will get there,” James said, referring to SpaceX certification. “It’s in our national security interest to get there.”
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Re: SpaceX

Post by Isgrimnur » Tue Jan 27, 2015 12:01 pm

Kraken wrote:SpaceX is suing the government to force competition in military launch contracts.
Suit dropped
Start-up rocket-maker Space Exploration Technologies Corp., known as SpaceX and headed by billionaire Elon Musk, has agreed to drop its lawsuit against the U.S. Air Force after the service pledged to open more satellite launches to competition.
...
“The Air Force … has expanded the number of competitive opportunities for launch services under the EELV program while honoring existing contractual obligations,” according to the statement. “Going forward, the Air Force will conduct competitions consistent with the emergence of multiple certified providers.”

SpaceX hasn’t yet received certification to launch GPS and other military satellites.
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Re: SpaceX

Post by Zaxxon » Tue Jan 27, 2015 3:39 pm


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Re: SpaceX

Post by Isgrimnur » Fri Feb 13, 2015 3:44 pm

SpaceX gets Cape Canaveral Landing Pad
Brigadier General Nina Armagno, commander of the US Air Force 45th Space Wing, signed an agreement with SpaceX; giving the company a five-year lease on Launch Complex 13 (LC-13) at Cape Canaveral Air Force Station, Florida, which will be converted to receive returning boosters and spacecraft making powered soft landings.

In recent years, SpaceX has been showing remarkable progress as it develops its reusable launch and spacecraft system, but it still needs someplace to land its rockets other than its drone barge. Until now, returning spacecraft have landed by parachute on land or at sea, or have been caught in midair.
...
In an environmental impact statement (PDF) filed in 2014, SpaceX outlined its plans for the LC-13 pad, which will consist of a 750-ft (228-m) diameter pad of compressed soil and gravel designed to support the thrust and weight of returning spacecraft, and four 150-ft (45-m) contingency pads on the periphery for last-second emergency landings. In addition, SpaceX will build an access road and a mobile crane to move landed vehicles.
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Re: SpaceX

Post by Isgrimnur » Fri Mar 27, 2015 2:10 pm

The more I hear about the current USAF procedures, the less I'm liking the leadership.
The U.S. Air Force overstepped its bounds as it worked to certify privately held SpaceX to launch military satellites, undermining the benefit of working with a commercial provider, an independent review showed on Thursday.

The report cited a "stark disconnect" between the Air Force and SpaceX, or Space Exploration Technologies, about the purpose of the certification process and recommended changes.

Air Force Secretary Deborah James ordered the review after the service missed a December deadline for certifying SpaceX to compete for some launches now carried out solely by United Launch Alliance, a joint venture of Lockheed Martin Corp and Boeing Co.
...
The Air Force said on Monday it was revamping the certification process, but did not release the report on the review until Thursday and hoped to complete the work by June.

The report, prepared by former Air Force Chief of Staff General Larry Welch, said the Air Force treated the process like a detailed design review, dictating changes in SpaceX's Falcon 9 rocket and even the company's organizational structure.

That approach resulted in over 400 issues that needed to be resolved, which was "counterproductive" to a national policy aimed at encouraging competition in the sector.

In fact, the process was intended to show that SpaceX met overall requirements to launch military satellites, not carry out the more detailed review required for each launch on a case-by-case basis, he said.

Welch faulted SpaceX for assuming its experience launching other Falcon 9 rockets would suffice to be certified, and not expecting to have to resolve any issues at all.
...
He urged the Air Force's Space and Missiles Systems Center to "embrace SpaceX innovation and practices," while SpaceX needed to understand the Air Force's need to mitigate risks, and be more open to benefiting from the government's experience.
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Re: SpaceX

Post by Isgrimnur » Mon Apr 13, 2015 3:06 pm

Barge landing, take 2.
Elon Musk’s SpaceX will make another attempt to precision-land the first stage of its Falcon 9 rocket on a custom-built ocean platform after Monday’s scheduled mission for NASA to resupply the International Space Station.
...
Hans Koenigsmann, SpaceX’s vice president of mission assurance, said SpaceX has upgraded the drone ship so that it can keep its position better and handle higher ocean swells than previously, improvements that bode well for success Monday.

“I would up my probability to 75 percent at this point in time. Maybe 80,” said Koenigsmann during a pre-launch press conference Sunday. If the landing attempt is successful, Koenigsmann predicted an “epic landing party.”
...
The modified landing barge, marked with a huge X, is floating hundreds of miles offshore. The name of the SpaceX vessel is Just Read the Instructions, Musk’s literary nod to the late Scottish science-fiction author Iain M. Banks.
Launch is scheduled for 16:33 Eastern today.
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Re: SpaceX

Post by Zaxxon » Mon Apr 13, 2015 3:09 pm

Fingers crossed. This will be a major milestone not just for SpaceX if successful.

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Re: SpaceX

Post by cheeba » Mon Apr 13, 2015 4:16 pm

Supposedly this is supposed to start at 4:33pm EST.

Link to watch it.

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Re: SpaceX

Post by Zaxxon » Mon Apr 13, 2015 4:17 pm

cheeba wrote:Supposedly this is supposed to start at 4:33pm EST.
And the landing attempt is ~9 min later. May take a bit longer for confirmation of success/failure since that part will not have live video.

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Re: SpaceX

Post by Zaxxon » Mon Apr 13, 2015 4:19 pm

Speaking of live video, here's the link.

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Re: SpaceX

Post by cheeba » Mon Apr 13, 2015 4:30 pm

Shit, no go due to weather. Scrubbed til tomorrow I think.

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Re: SpaceX

Post by Zaxxon » Mon Apr 13, 2015 4:34 pm

Yep. Tomorrow, same bat-time, same bat-channel.

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Re: SpaceX

Post by noxiousdog » Tue Apr 14, 2015 3:54 pm

Last edited by noxiousdog on Tue Apr 14, 2015 3:58 pm, edited 1 time in total.
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Re: SpaceX

Post by Zaxxon » Tue Apr 14, 2015 3:55 pm

Launch control reporting no issues, and weather is 60% go per the forecast, all clear currently. Hopefully that holds, because tomorrow's forecast is 40% go.

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Re: SpaceX

Post by Zaxxon » Tue Apr 14, 2015 4:25 pm

Launch was a success. Still waiting to hear about the landing attempt.

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Re: SpaceX

Post by Zaxxon » Tue Apr 14, 2015 4:30 pm

Landed on drone ship, but too hard for survival.

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Re: SpaceX

Post by Isgrimnur » Wed Apr 15, 2015 1:15 am

Image
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Re: SpaceX

Post by Moat_Man » Wed Apr 15, 2015 1:31 am

Image
Hold the line
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Re: SpaceX

Post by coopasonic » Wed Apr 15, 2015 10:03 am

Zaxxon wrote:Landed on drone ship, but too hard for survival.
Looks like Falcon landed fine, but excess lateral velocity caused it to tip over post landing

I have the same damn problem in Kerbal all the time.
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Re: SpaceX

Post by Zaxxon » Wed Apr 15, 2015 10:23 am

That was much closer than last time. Encouraging.

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Re: SpaceX

Post by coopasonic » Wed Apr 15, 2015 10:27 am

And that looks like my earlier Kerbal landing attempts. :evil:
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Re: SpaceX

Post by Zaxxon » Wed Apr 15, 2015 3:46 pm

Uptown Funk re-write: Launch You Up.

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Re: SpaceX

Post by Isgrimnur » Thu Apr 16, 2015 12:07 pm

Once it tipped over, it blew up.
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Re: SpaceX

Post by Isgrimnur » Thu Apr 16, 2015 12:53 pm

SpaceX's competition wants to try something different:
SpaceX’s rival, United Launch Alliance LLC, a joint venture between Lockheed Martin Corp. and Boeing Co., is taking a different approach. Rather than try to recover the entire first stage of the rocket, the firm wants to fly a CH-47 Chinook helicopter to capture the rocket engine as it falls from the sky.
...
After the first stage of the rocket launches and finishes its burn, the engine would separate from the booster and fall in free flight. Moments later, a heat shield would deploy, adding drag and slowing the engine’s descent. After the heat shield or airfoil separates, a drogue would deploy, followed by a main parachute, further slowing the engine’s descent. At that point, the chopper would fly by and snag the engine out of mid-air.

ULA announced the initiative, called the Sensible, Modular, Autonomous Return Technology (SMART), as part of a larger unveiling of a new rocket design, called the Vulcan, also known as the Next-Generation Launch System (NGLS), this week here at the Space Symposium, the nation’s largest space conference.
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Re: SpaceX

Post by Isgrimnur » Wed May 06, 2015 1:42 pm

Capsule ejection test
In a test lasting just under 100 seconds, Space Exploration Technologies Corp. appears to have demonstrated that its crew capsule – one of two NASA is banking on to carry American astronauts to and from the International Space Station – can vault clear of danger on a launch pad.

The company plans to return the capsule to its facility in Texas for a thorough analysis of the results, but each stage of the brief flight appeared to go as planned.

The next step, coming later this year, is a test of the capsule's ability to kick free of a rocket during the most stressful part of its ascent.
...
For six seconds, the engine vaulted the capsule and trunk off the pad and out toward the Atlantic Ocean. By the time the engine shut off, the capsule was moving at between 330 and 400 miles an hour.

At the highest point in the capsule's trajectory, the trunk separated, and a short time later the capsule's two-step parachute system deployed, lowering the capsule into the water about 1 minutes and 38 seconds after launch.

This was the first time SpaceX had tested the system with all eight of the capsule's engines operating. Unlike the escape engine NASA mounted on the noses of the Mercury and Apollo capsules, which had to be jettisoned during ascent, Dragons engines can be used throughout an ascent and into orbit. Eventually, the company hopes to use the engine for landing crews near their launch sites.
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Re: SpaceX

Post by Kraken » Fri May 15, 2015 12:02 am

Great book-excerpted history of SpaceX, Tesla, and how close they both came to going belly-up.

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Re: SpaceX

Post by Zaxxon » Mon Aug 17, 2015 6:49 pm

Wait But Why's long-promised SpaceX article is up. Well worth the longish read.

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Re: SpaceX

Post by Daehawk » Mon Aug 17, 2015 7:47 pm

Looking at that last failed landing it appears that the initial thrust hit water. If it had hit the solid barge it might have faired better than it hitting the water it was soft and absorbed too much thrust from the rocket.

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Re: SpaceX

Post by Kraken » Mon Aug 17, 2015 11:19 pm

Zaxxon wrote:Wait But Why's long-promised SpaceX article is up. Well worth the longish read.
3/5 through, I concur that it's worth the time. I haven't learned much that I didn't already know but it's well presented and entertaining.

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Re: SpaceX

Post by Kraken » Thu Sep 17, 2015 11:37 pm


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Re: SpaceX

Post by cheeba » Fri Sep 18, 2015 1:11 am

Kraken wrote:Can you land a Falcon 9?

I can't.
I landed 1 after 30 tries.

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