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SpaceX

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Re: SpaceX

Unread postby asg70 » Mon 13 Nov 2017, 17:37:10

pstarr wrote:That high-tech zero-G $10,000 toilet seats allowed John Glenn to poo with safety and great pleasure.


Again, that was 50+ years ago. This is 2017. The world has changed. Your viewpoints, apparently, haven't.

You really are quite the backseat driver. The only bigger perma-crank is StarvingLion, which is why you like him, I'm sure.

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Re: SpaceX

Unread postby Cog » Wed 15 Nov 2017, 10:17:56

Oh the noes, SpaceX is launching another rocket 17 November 2017 and returning the first stage to Cape Canaveral. Posted for pstarr.


"A SpaceX Falcon 9 rocket will launch the Zuma payload. Northrop Grumman arranged to launch the Zuma payload with SpaceX on behalf of the U.S. government, but no other details about the mission have been disclosed. The Falcon 9 rocket’s first stage will return to landing at Landing Zone-1 at Cape Canaveral Air Force Station."

This will be the 17th SpaceX launch this year.
Launch window: 800 - 1000 PM EDT (0100 - 0300 GMT on 17 Nov)


https://spaceflightnow.com/launch-schedule/
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Re: SpaceX

Unread postby asg70 » Fri 15 Dec 2017, 15:29:13

SpaceX reflies another rocket and lands on dry-land.

https://www.youtube.com/watch?v=OPHbqY9LHCs

We now return you to your regularly-scheduled FUD.

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Re: SpaceX

Unread postby AdamB » Fri 15 Dec 2017, 15:44:31

pstarr wrote:
asg70 wrote:SpaceX reflies another rocket and lands on dry-land.

https://www.youtube.com/watch?v=OPHbqY9LHCs

We now return you to your regularly-scheduled FUD.

I never said that the Space X booster can not be shot into space and landed again. (of course the example above is not that)


Oh boy, here we go again.

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Re: SpaceX

Unread postby asg70 » Fri 15 Dec 2017, 16:09:41

pstarr wrote:the example above is not that


Image

How is it "not that"? The booster AND the crew module are both being reused. If you watched the start of the video they are even going so far to say they don't want to have to even wash or repaint it before sending it up again...all to keep addressing FUDsters who will move the goalposts on what constitutes true reuse rather than refurbishment.

pstarr wrote:said booster must re-enter and be retrieved deep at sea


Must? So this landing didn't happen?

Image

pstarr wrote:extra cost to retrieve said booster


An extra cost that you can't quantify, hence falling back on FUD.

pstarr wrote:The sole reason for the SpaceX reusable booster program to con the clueless so-called green investor community.


Image

Musk is concerned about the environment but I see no material that suggests that SpaceX reusability is driven by environmental concerns, only controlling cost.


Image

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Re: SpaceX

Unread postby GHung » Sun 07 Jan 2018, 19:21:36

SpaceX to launch its Zuma mission (secret) tonight between 8-10 pm EST. See it here: http://www.spacex.com/webcast , or whatever part of the 'secret' launch they'll show. The best part for me is always the return/landing of the first stage.
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Re: SpaceX

Unread postby asg70 » Sun 07 Jan 2018, 20:28:13

pstarr wrote:
GHung wrote:The best part for me is always the return/landing of the first stage.

On a barge hundreds of miles offshore, far far away from civilization and services.
It's a dog and pony show. Like the HyperLoopy


This one was on land, and it landed right smack-dab in the middle of the X. Even the landing legs lined up on the center-axis. Perfect landing down to the inch. So shove your FUD where the sun don't shine.

https://youtu.be/wOo4Uwe1rTE?t=1m32s

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Re: SpaceX

Unread postby Cog » Sun 07 Jan 2018, 20:36:10

Falcon Heavy is supposed to launch at the end of the month. Largest rocket since the Saturn V. Basically three first stage rockets strapped together. Three first stage rockets to land with that launch. If I'm not mistaken two of the first stage rockets to land on land and one on a barge. SpaceX is doing some impressive stuff.
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Re: SpaceX

Unread postby Cog » Sun 07 Jan 2018, 21:31:44

I do not understand your question pstarr. The first stages, return to where they were launched from depending on the orbit the payload is intended for. Sometimes that involves a barge landing since there is insufficient fuel to return to launch point on certain payloads and orbits. Not seeing the problem here. The first stages don't just land on random pieces of ground if you are worried about safety. There are designated landing pads for them at Cape Canaveral.
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Re: SpaceX

Unread postby asg70 » Mon 08 Jan 2018, 01:01:47

pstarr wrote:Why would the Defense Department allow a low earth reentry? The decent is measured in minutes, barely time to track it. Then there is that human problem. Who is to say what/whom happens to be wandering around. Lest we forget, that first stage is massive, a skyscraper. In your backyard?


This is the FEAR portion of FUD.

How many airplanes fly overhead on a given day? Technically there is a non-zero chance an airplane could fall on your head. How can the FAA allow airplanes to fly over your backyard??????? Just, just THINK OF THE CHILDREN! OH, THE HUMANITY! IT MUST BE STOPPED!

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-Frequent-flyers should not cry crocodile-tears over climate-change.
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Re: SpaceX

Unread postby asg70 » Mon 08 Jan 2018, 03:00:50

pstarr wrote:
Falcon 9 separates its first and second stages at relatively low speed, so its reentry starts off drastically slower than a reentry from orbit -- about 1650 m/s for the return-to-launch-site flight in December 2015, compared to orbital speed of 7700 m/s. Stage separation can be quite a bit faster in their downrange, barge landing flights, but the first stage is still moving much slower than orbital velocity.

https://space.stackexchange.com/questio ... n-re-entry
So Elon has this re-entry vehicle plummeting toward earth at 3,375 miles per hour. Straight down. What could wrong? The shoot malfunctions, the AI goes bonkers. A goose in the guy-wires. Who know? But there goes the orange frappuccino all over the road. And those poor retirees? And their condos? yikes


So it's been established that you're just jealous of his dick and you continue to pretend you have valid FUD?

Give it up.

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-Frequent-flyers should not cry crocodile-tears over climate-change.
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Re: SpaceX

Unread postby Tanada » Mon 08 Jan 2018, 10:58:07

asg70 wrote:
pstarr wrote:Why would the Defense Department allow a low earth reentry? The decent is measured in minutes, barely time to track it. Then there is that human problem. Who is to say what/whom happens to be wandering around. Lest we forget, that first stage is massive, a skyscraper. In your backyard?


This is the FEAR portion of FUD.

How many airplanes fly overhead on a given day? Technically there is a non-zero chance an airplane could fall on your head. How can the FAA allow airplanes to fly over your backyard??????? Just, just THINK OF THE CHILDREN! OH, THE HUMANITY! IT MUST BE STOPPED!


That is exactly the thinking that was used to form regulations against supersonic air travel over the continental USA even though an SST at altitude made less noise than a regular jet at 20,000 feet passing overhead. The NIMBY forces do not use nor want to use logic or science, they feel what they feel and that is all that matters to them. Our culture used to laugh at those with 'hurt feelings' and go on about its business but this came to a screeching halt in 1973 when for the first time ever the USA outlawed a new technology simply to placate those kind of hurt feelings, and it has grown progressively worse over the last 45 years as more and more victims show up to talk about their feelings.
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Re: SpaceX

Unread postby asg70 » Mon 08 Jan 2018, 13:46:58

pstarr wrote:...am merely pointing out possible dangers...


Merely throwing shade on Musk out of envy that is.

Image

pstarr wrote:I deserve an apology.


you deserve this:

Image

HALL OF SHAME:
-Short welched on a bet and should be shunned.
-Frequent-flyers should not cry crocodile-tears over climate-change.
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