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  [Discuss] SpaceX Starship and Super Heavy (Page 3)

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Author Topic:   [Discuss] SpaceX Starship and Super Heavy
Robert Pearlman
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posted 09-28-2019 08:31 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX update
SpaceX's Starship and Super Heavy launch vehicle is a fully, rapidly reusable transportation system designed to carry both crew and cargo to Earth orbit, the Moon, Mars, and anywhere else in the solar system. On Saturday, September 28 at our launch facility in Cameron County, Texas, SpaceX Chief Engineer and CEO Elon Musk will provide an update on the design and development of Starship.

brianjbradley
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posted 09-29-2019 09:03 AM     Click Here to See the Profile for brianjbradley   Click Here to Email brianjbradley     Edit/Delete Message   Reply w/Quote
Great on Elon Musk and the SpaceX team, but the Commercial Crew program is how many years behind schedule? They've had how many launch failures in under a decade? Ambition shouldn't be harnessed, but focus on all ambitions shouldn't be lost either.

cspg
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posted 09-29-2019 09:05 AM     Click Here to See the Profile for cspg   Click Here to Email cspg     Edit/Delete Message   Reply w/Quote
"This is, I think, the most inspiring thing I have ever seen," said Musk on Saturday (Sept. 28), admiring the 165-foot-tall (80-meter) Starship as it was lit by spotlights.
Glad to see you like what you paid for.

oly
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posted 09-29-2019 09:30 AM     Click Here to See the Profile for oly   Click Here to Email oly     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by brianjbradley:
They've had how many launch failures in under a decade?
How many "launch failures" have SpaceX experienced in the first 11 years?

Robert Pearlman
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posted 09-29-2019 10:02 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX has experienced four launch failures (three Falcon 1 and one Falcon 9) out of the 79 total launches the company has conducted since 2006. (It also experienced a pad failure and a loss of vehicle [Dragon] during a post-flight test.)
quote:
Originally posted by brianjbradley:
...but focus on all ambitions shouldn't be lost either.
According to Musk, only about five percent of SpaceX's workforce is assigned to Starship and Super Heavy at current. He said the company's priority and resources are focused on commercial crew and Falcon 9 operations.

brianjbradley
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posted 09-29-2019 04:56 PM     Click Here to See the Profile for brianjbradley   Click Here to Email brianjbradley     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Robert Pearlman:
According to Musk, only about five percent of SpaceX's workforce is assigned to Starship and Super Heavy at current. He said the company's priority and resources are focused on commercial crew and Falcon 9 operations.
I did not know this detail. Thanks for clarifying that.

Robert Pearlman
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posted 09-30-2019 01:14 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX now has a section of its website dedicated to Starship.
SpaceX's Starship spacecraft and Super Heavy rocket (collectively referred to as Starship) represent a fully reusable transportation system designed to carry both crew and cargo to Earth orbit, the Moon, Mars and beyond. Starship will be the world's most powerful launch vehicle ever developed, with the ability to carry in excess of 100 metric tonnes to Earth orbit. Drawing on an extensive history of launch vehicle and engine development programs, SpaceX has been rapidly iterating on the design of Starship with orbital-flight targeted for 2020.

oly
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posted 10-04-2019 08:06 AM     Click Here to See the Profile for oly   Click Here to Email oly     Edit/Delete Message   Reply w/Quote
Has SpaceX moved their Starship test item from Cocoa to the cape yet?
SpaceX representatives declined to answer News 6's questions about how the private company will transport the spacecraft more than 20 miles between the two facilities or when the relocation will occur.

However, records obtained exclusively by News 6 reveal that in September the 180-foot-tall spacecraft could be towed along the State Road 528 Beachline Expressway before being placed on a barge in the Indian River for shipment to Launch Complex 39.

Robert Pearlman
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posted 10-04-2019 09:45 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
The Starship Mk.2 remains at Cocoa worksite. There is no word yet as to when it will be moved.

oly
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posted 10-04-2019 09:03 PM     Click Here to See the Profile for oly   Click Here to Email oly     Edit/Delete Message   Reply w/Quote
This photo taken Thursday afternoon shows the nose section to be in a less complete form (about 50%) than the images shown in the above news feed, and the below also shows a large number of circular segments place about the facility in what looks like enough to build another rocket.

This image led me to wonder if the nose section in the article had already been transported.

The new image also shows what looks to be earthworks constructed to make an access road out of the facility on the southern side.

Robert Pearlman
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posted 11-20-2019 04:15 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX's Starship Mk1 burst its top during a cryogenic propellant load test at the company's Boca Chica, Texas launch site on Wednesday (Nov. 20).

In a response on Twitter, Elon Musk said SpaceX will now move to the Mk3.

This [Mk1] had some value as a manufacturing pathfinder, but flight design is quite different.

Robert Pearlman
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posted 11-20-2019 06:19 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX statement
The purpose of today's test was to pressurize systems to the max, so the outcome was not completely unexpected. There were no injuries, nor is this a serious setback.

As Elon tweeted, Mk1 served as a valuable manufacturing pathfinder, but flight design is quite different. The decision had already been made to not fly this test article and the team is focused on Mk3 builds, which are designed for orbit.

oly
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posted 12-03-2019 08:49 AM     Click Here to See the Profile for oly   Click Here to Email oly     Edit/Delete Message   Reply w/Quote
While flying an overshoot of the Shuttle Landing Facility last week, these images of the SpaceX Starship construction were captured showing the vehicle progress.

Robert Pearlman
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posted 12-03-2019 12:11 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Nice photos!

SpaceX confirmed last week that it has paused work on Starship at the Cocoa location and that the employees working there have been reassigned to either Boca Chica or other projects within the company in Florida. Work on the Mk2 vehicle (as seen in the above photos) has been halted in favor of the Mk3 build in Texas.

To that end, some parts from the Cocoa site were recently loaded onto a ship for delivery to Boca Chica.

Robert Pearlman
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posted 12-25-2019 06:04 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
While work on building Starships is paused in Florida, construction is continuing on the Starship launch mount at Launch Complex 39A at Kennedy Space Center. This photo, taken through a break in the perimeter fence, shows the status as of Dec. 19, 2019.

Robert Pearlman
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posted 02-29-2020 08:54 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX's second Starship prototype, SN1, suffered a structural failure during a pressure test on Friday (Feb. 28). The company has not released details, but live webcams in the area caught the explosion.

Cozmosis22
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posted 02-29-2020 10:39 AM     Click Here to See the Profile for Cozmosis22     Edit/Delete Message   Reply w/Quote
Different view of the pressure test explosion there in Boca Chica, Texas.

Aftermath video the following morning.

Robert Pearlman
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posted 03-05-2020 09:19 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX's stretch goal is to build one to two Starships a week, this year, and to pare back construction costs to as low as $5 million each, reports Ars Technica.
"The conventional space paradigms do not apply to what we're doing here. We're trying to build a massive fleet to make Mars habitable, to make life multi-planetary. I think we need, probably, on the order of 1,000 ships, and each of those ships would have more payload than the Saturn V—and be reusable."

Musk has thought about this a lot, obviously.

"The point at which one says the goal is to make life multi-planetary, it means that we need to have a self-sustaining city on Mars," Musk said. "That city has to survive if the resupply ships stop coming from Earth for any reason whatsoever. Doesn't matter why. If those resupply ships stop coming, does the city die out or not? In order to make something self-sustaining, you can't be missing anything. You must have all the ingredients. It can't be like, well this thing is self-sustaining except for this one little thing that we don't have. It can't be. That'd be like saying, 'Well, we went on this long sea voyage, and we had everything except vitamin C.' OK, great. Now you're going to get scurvy and die—and painfully, by the way. It's going to suck. You're going to die slowly and painfully for lack of vitamin C. So we've got to make sure we've got the vitamin C there on Mars. Then it's like, OK, rough order of magnitude, what kind of tonnage do you need to make it self-sustaining? It's probably not less than a million tons."

Robert Pearlman
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posted 03-26-2020 09:42 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Elon Musk shared photos of Starship SN3 being stacked in Boca Chica overnight on Wednesday (March 25):

Robert Pearlman
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posted 03-30-2020 02:49 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Starship SN3 now on the launch stand, via Elon Musk on Twitter:

Robert Pearlman
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posted 03-31-2020 09:55 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX has published its Starship Users Guide.
Starship has the capability to transport satellites, payloads, crew, and cargo to a variety of orbits and Earth, Lunar, or Martian landing sites. Potential Starship customers can use this guide as a resource for preliminary payload accommodations information. This is the initial release of the Starship Users Guide and it will be updated frequently in response to customer feedback.

328KF
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posted 03-31-2020 10:33 AM     Click Here to See the Profile for 328KF   Click Here to Email 328KF     Edit/Delete Message   Reply w/Quote
They could bring the Hubble Space Telescope home in that thing. If and when it ever flies...

Robert Pearlman
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posted 04-03-2020 08:25 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX's Starship SN3 was lost in a cryogenic test early Friday morning (April 3). From Ars Technica:
This week, SpaceX workers in South Texas loaded the third full-scale Starship prototype — SN3 — onto a test stand ​at the company's Boca Chica launch site. On Wednesday night, they pressure-tested the vehicle at ambient temperature with nitrogen, and SN3 performed fine.

On Thursday night SpaceX began cryo-testing the vehicle, which means it was loaded again with nitrogen, but this time it was chilled to flight-like temperatures and put under flight-like pressures. Unfortunately, a little after 2am local time, SN3 failed and began to collapse on top of itself. It appeared as if the vehicle may have lost pressurization and become top-heavy.

Shortly after the failure, SpaceX's founder and chief engineer, Elon Musk, said on Twitter, "We will see what data review says in the morning, but this may have been a test configuration mistake."

Robert Pearlman
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posted 04-05-2020 11:41 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
The loss of SN3 was a configuration error, according to Elon Musk (via Twitter):
Good news is that this was a test configuration error, rather than a design or build mistake. Not enough pressure in the LOX [liquid oxygen] tank ullage to maintain stability with a heavy load in the CH4 [methane] tank. This was done with N2 [nitrogen].

Robert Pearlman
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posted 04-24-2020 03:43 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Elon Musk today said that a pressure test with the SN4 vehicle is planned for Saturday (April 25). Earlier from Musk, via Twitter:
Starship SN4 tank on test stand.

Robert Pearlman
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posted 04-27-2020 11:44 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Starship SN4 survived a cryogenic pressure test on Sunday night (April 26). From Elon Musk, via Twitter:
SN4 passed cryo proof! 4.9 bar. Kind of a softball to be honest, but that's enough to fly!

Robert Pearlman
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posted 05-06-2020 09:43 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
For the first-time, a full-scale prototype of SpaceX's Starship vehicle, SN4, lit its engine on Tuesday evening (May 5), reports Ars Technica.
After ignition, it appeared that the Raptor rocket engine burned for about 4 seconds. At the end of this test at the South Texas Launch Site, the vehicle still stood. About 90 minutes after the test, SpaceX founder and Chief Engineer Elon Musk confirmed the test firing was good, saying, "Starship SN4 passed static fire."

Robert Pearlman
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posted 05-28-2020 04:19 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
On the same day (May 28) that SpaceX performed its fourth static fire with SN4, the Federal Aviation Administration (FAA) issued a license for the company to conduct suborbital reusable launch vehicle (RLV) missions.
Space Exploration Technologies is authorized to conduct RLV missions to launch the Starship Prototype Launch Vehicle. The RLV missions authorized by this license commence and conclude at the Boca Chica launch and landing site, Boca Chica, Texas.

Robert Pearlman
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posted 05-29-2020 02:46 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SN4 is no more; the prototype Starship exploded after conducting its second static fire of the day (its sixth overall; two with Raptor engine no. 18 and four with Raptor engine no. 20) on Friday (May 29).

SpaceAholic
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posted 06-08-2020 06:12 AM     Click Here to See the Profile for SpaceAholic   Click Here to Email SpaceAholic     Edit/Delete Message   Reply w/Quote
Elon Musk has urged SpaceX employees to accelerate progress on its next-generation Starship rocket "dramatically and immediately," writing Saturday (June 6) in a company-wide email seen by CNBC.
"Please consider the top SpaceX priority (apart from anything that could reduce Dragon return risk) to be Starship," Musk wrote in the email.

In his email, Musk asked SpaceX employees to "consider spending significant time" in Boca Chica to help further accelerate Starship development. "For those considering moving, we will always offer a dedicated SpaceX aircraft to shuttle people."

issman1
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posted 06-08-2020 06:25 AM     Click Here to See the Profile for issman1     Edit/Delete Message   Reply w/Quote
Musk has said on numerous occasions the human race has only a short window of opportunity to become a deep space faring civilisation.

In light of recent events who can blame him for hurrying Starship.

Robert Pearlman
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posted 07-30-2020 08:50 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
From Elon Musk (via Twitter):
Starship SN5 just completed full duration static fire. 150m hop soon.

Robert Pearlman
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posted 08-03-2020 06:49 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
From Elon Musk (via Twitter, at 7:23 p.m. EDT):
I'm in the Boca control room. Hop attempt in about 33 minutes.
Update: Attempt aborted. From Musk:
Scrubbed for the day. A Raptor turbopump spin start valve didn't open, triggering an automatic abort. We'll figure out why and retry tomorrow.

Robert Pearlman
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posted 08-04-2020 06:07 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
After a aborting its second attempt on Tuesday morning (Aug. 4), SpaceX is again set to attempt a 150-meter hop test with the Starship SN5 prototype in Boca Chica, Texas.

Robert Pearlman
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posted 08-04-2020 07:11 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
It appears to have been a successful hop.

Maximum altitude:

Smoke clears after landing, still standing:

Robert Pearlman
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posted 08-04-2020 08:35 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
From Elon Musk (via Twitter):
Progress is accelerating. Mars is looking real.

Robert Pearlman
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posted 08-05-2020 12:48 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
SpaceX video
Starship SN5 completes 150m Hop.

GACspaceguy
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posted 08-05-2020 11:43 AM     Click Here to See the Profile for GACspaceguy   Click Here to Email GACspaceguy     Edit/Delete Message   Reply w/Quote
So what is the flame around the engine head?

SpaceAholic
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posted 08-05-2020 12:55 PM     Click Here to See the Profile for SpaceAholic   Click Here to Email SpaceAholic     Edit/Delete Message   Reply w/Quote
Looks to be ignition of vented propellant.

ManInSpace
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posted 08-05-2020 03:08 PM     Click Here to See the Profile for ManInSpace     Edit/Delete Message   Reply w/Quote
Be it the unmanned Falcon 9 launches, the latest manned Dragon or this latest vehicle; no other space program provides the quantity and quality of video coverage (usually live) that we get from SpaceX.

The investment and commitment to not only obtain such a high level of video, but to share it with the public; is a credit to the firm's founder.


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