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Offline wilsonphil

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Re: SpaceX launch
« Reply #300 on: November 04, 2019, 02:20:43 PM »
https://www.youtube.com/watch?v=1NLQ4bO-f58

Our competion at work, FF to 24:50 for the action, notice the brown clowd

Offline cruizng

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Re: SpaceX launch
« Reply #301 on: November 04, 2019, 05:01:37 PM »
Phil,
Just guessing but is the brown cloud due to solid rocket fuel vs liquid? Or can you not say the importance of the brown cloud.  :popcorn:
Mike
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Offline wilsonphil

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Re: SpaceX launch
« Reply #302 on: November 04, 2019, 07:42:41 PM »
Most RCS(Reaction Control Systems) thrusters are what is known as Biprop, a fuel and an oxidizer.  Typically for Fuel Hydrzine, MMH, N2H4 and then NTO Nitrogen Tetroxide, N2O4  so the Hydrizine and NTO are hypergolic (burn when come in contact) so in VERY basic terms you spray the two at one another into a chamber that burning mixture goes out thru a orifice and you make thrust.

 The big brown cloud you see is the NTO, your life expectancy is pretty short after a couple breaths as the NTO breaks down to Nitric Acid in your lungs so you drown on your own fluids.  The hydrazine attacks the central nervous system it wont kill you right away but your days a numbered as long term exposure is what dose you in.  Your body cannot process the Hydzine so it just rides around in you system until it gives you cancer or some other problem.  I hate to think how many years i have shaved off my life!!!! 

Offline cruizng

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Re: SpaceX launch
« Reply #303 on: November 04, 2019, 08:47:59 PM »
Most RCS(Reaction Control Systems) thrusters are what is known as Biprop, a fuel and an oxidizer.  Typically for Fuel Hydrzine, MMH, N2H4 and then NTO Nitrogen Tetroxide, N2O4  so the Hydrizine and NTO are hypergolic (burn when come in contact) so in VERY basic terms you spray the two at one another into a chamber that burning mixture goes out thru a orifice and you make thrust.

 The big brown cloud you see is the NTO, your life expectancy is pretty short after a couple breaths as the NTO breaks down to Nitric Acid in your lungs so you drown on your own fluids.  The hydrazine attacks the central nervous system it wont kill you right away but your days a numbered as long term exposure is what dose you in.  Your body cannot process the Hydzine so it just rides around in you system until it gives you cancer or some other problem.  I hate to think how many years i have shaved off my life!!!!
Yikes. Check. Stay away from NTO and Hydrazine.

How does that propellant differ from the SpaceX fuel?


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Offline Flyin6

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Re: SpaceX launch
« Reply #304 on: November 05, 2019, 10:00:55 AM »
Didn't the Nazi war machine have problems with hydrazine when fuelling the rockets they flew during WW2. I believe that fuel was hyopgolic as well. First used in the manned comet, then the V2 as well...Do I have that right?
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Offline wilsonphil

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Re: SpaceX launch
« Reply #305 on: November 05, 2019, 10:32:09 AM »
Didn't the Nazi war machine have problems with hydrazine when fuelling the rockets they flew during WW2. I believe that fuel was hyopgolic as well. First used in the manned comet, then the V2 as well...Do I have that right?

Negative, they were using ethanol Among other things that didn't play nice with people and equipment, it was liquid fuel LOX and ethanol.  Of note the V2 was a copy of Goddard's design the Germans just copied the design for the info they got off the patent they got a copy of the patent from the US patent office.

Hydrazine didn't start to be used in space applications until the 50's, made by Olin(Winchester).  The French are the ones that came up with a very weak from of Hydrazine in the 1800's, they developed it to use as fungicide for grapes but it has a great secondary feature as it breaks down it forms ammonia which is a great fertilizer. 

« Last Edit: November 05, 2019, 11:02:22 AM by wilsonphil »

Offline wilsonphil

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Re: SpaceX launch
« Reply #306 on: November 05, 2019, 10:53:00 AM »
more to come on this if anyone is interested
« Last Edit: November 05, 2019, 11:00:55 AM by wilsonphil »

Offline Flyin6

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Re: SpaceX launch
« Reply #307 on: November 05, 2019, 11:37:06 AM »
OK, copy that
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Offline EL TATE

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Re: SpaceX launch
« Reply #308 on: November 05, 2019, 12:23:50 PM »
more to come on this if anyone is interested

I was pretty freakin' stoked to find my "Occupy Mars" t-shirt Sunday when I had to get behind the dryer to fix the vent. You have my attention sir.
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Offline cruizng

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Re: SpaceX launch
« Reply #309 on: November 05, 2019, 01:16:44 PM »
Count me in as always interested in what you post Phil!  :beercheers:
Mike
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Offline TexasRedNeck

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Re: SpaceX launch
« Reply #310 on: November 05, 2019, 07:10:28 PM »
Phil is the cliff Clavin of space travel. I’m totally in for more history lessons. Fascinating stuff!!


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Offline cruizng

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Re: SpaceX launch
« Reply #311 on: November 06, 2019, 07:54:50 AM »
Phil,

Not sure if you follow this stuff but what I find amazing is that after hurling through space for 42 years it is still working and sending back data.

This was created when they had rooms full of computers that equal the computing power that we have on our wrist now.

I wonder if the stuff we are making today will have the same resilience.   


(link took me to an error/repair screen)
« Last Edit: November 11, 2019, 04:52:29 PM by JR »
Mike
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Offline wilsonphil

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Re: SpaceX launch
« Reply #312 on: November 10, 2019, 08:36:37 PM »
ok back to real space work,

https://www.youtube.com/watch?v=pIDuv0Ta0XQ


This is the second launch of 60ea Spacex built birds, to date 120ea have been launched

Offline wilsonphil

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Re: SpaceX launch
« Reply #313 on: November 11, 2019, 08:48:34 AM »
All is looking good for this morning

Offline wilsonphil

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Re: SpaceX launch
« Reply #314 on: November 11, 2019, 09:44:51 AM »
T-minus 10min

Offline cruizng

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Re: SpaceX launch
« Reply #315 on: November 11, 2019, 11:35:56 AM »
Still get chills watching it!  :likebutton:
Mike
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Offline wilsonphil

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Re: SpaceX launch
« Reply #316 on: November 11, 2019, 12:41:47 PM »
From this morning, pretty fitting on veterans day

Offline Flyin6

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Re: SpaceX launch
« Reply #317 on: November 11, 2019, 04:55:13 PM »
An actual booster rocket on its 4th flight!

SpaceX is setting records with each launch.

Incredible is a word that doesn't seem adequate to describe all of this!

 :likebutton:
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Offline wilsonphil

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Re: SpaceX launch
« Reply #318 on: November 11, 2019, 09:16:58 PM »
+ the payload fairing was a refly also.

BUT the best part of the day is watching the satellites fly over the factory where it was all built about 12 hours later.  Really cool to see them go shooting by.  Pictures to come!
« Last Edit: November 11, 2019, 09:41:53 PM by wilsonphil »

Offline Sammconn

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Re: SpaceX launch
« Reply #319 on: November 12, 2019, 10:06:40 AM »
This is so cool.  :likebutton:
I just don't want to wind up missing a digit or limb.  I can sometimes get in a hurry to get results.
Sam

Offline wilsonphil

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Re: SpaceX launch
« Reply #320 on: November 12, 2019, 09:08:25 PM »
From last nights pass over Hawthorne

Offline EL TATE

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Re: SpaceX launch
« Reply #321 on: November 13, 2019, 10:59:18 AM »
cool timelapse
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Offline wilsonphil

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Re: SpaceX launch
« Reply #322 on: January 17, 2020, 11:16:47 AM »
https://www.youtube.com/watch?v=mhrkdHshb3E

If you have time tomorrow and the weather holds, please try to watch this as it will be a first for the USA space program.

Offline TexasRedNeck

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Re: SpaceX launch
« Reply #323 on: January 17, 2020, 09:30:33 PM »
And it will probably hit orbit correctly unlike Boeing....just sayin


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Offline wilsonphil

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Re: SpaceX launch
« Reply #324 on: January 17, 2020, 10:50:49 PM »
This launch will never make orbit, this is the test of our IFA (in flight abort) so we will blow up the first stage and demonstrate the capsule can get away and return every alive.

Offline Flyin6

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Re: SpaceX launch
« Reply #325 on: January 18, 2020, 01:35:28 PM »
Did you say, "Blow up" something?

Yea, something I can sink ma teeth into! :evil:

So you do have ex-Armee Rangers werkin for the Space X'ers! :likebutton:

Hooah!
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Offline TexasRedNeck

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Re: SpaceX launch
« Reply #326 on: January 18, 2020, 01:55:31 PM »
I surmised as much..Was a poor attempt at throwing shade at Boeing and their latest failure.


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Offline wilsonphil

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Re: SpaceX launch
« Reply #327 on: January 19, 2020, 10:42:36 AM »
If you didnt get to see it,

https://www.youtube.com/watch?v=mhrkdHshb3E

Lots of hard work to get to this point.

Offline cruizng

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Re: SpaceX launch
« Reply #328 on: January 19, 2020, 10:43:12 AM »
Just watched the live launch and test. Complete success!


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Offline wilsonphil

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Re: SpaceX launch
« Reply #329 on: January 19, 2020, 11:10:51 AM »
Next up is people, then no more Russian money.


AND we are launching another 60 satellites tomorrow if all goes well.

Offline TexasRedNeck

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Re: SpaceX launch
« Reply #330 on: January 19, 2020, 01:38:53 PM »
Congrats Phil.  That engineer narrator’s voice reminds me of the guy on Motor Trend


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Offline Flyin6

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Re: SpaceX launch
« Reply #331 on: January 19, 2020, 03:55:17 PM »
You guys seem to have a good lead on the Boeing at this point

Congrats for the SX team!
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Offline wilsonphil

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Re: SpaceX launch
« Reply #332 on: January 19, 2020, 07:31:19 PM »
It not that Boeing dose bad engineering but they are a perfect example of what happens when you farm many aspects of a program out to different groups and companies and rely on them to deliver a good product.

Reason you dont see that happen with SpaceX is we do 90% of everything ourselves.

Offline JR

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Re: SpaceX launch
« Reply #333 on: January 19, 2020, 08:49:24 PM »
I get feedback from someone in the (pilot) industry the whole issue was trying to fix a problem that was not there. Old system worked fine and would have on the new Max. Sensors not needed and fed to system that overroad the pilots input. 
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Offline Sammconn

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Re: SpaceX launch
« Reply #334 on: January 24, 2020, 08:49:20 PM »
So just witnessed the weirdest thing.
I’m hopin Phil will confirm the launch of 60 new satellites.

Was out dumping the ash pail and a satellite caugh my eye.
Then another shortly behind.
Then another, then like 20-30-40 more. Had time to get a look at a line of satellites all the way to the horizon, holler at mama to come out, and her to see as well.

All in a row, neatly and evenly spaced, far as the eye could see, all on about he same trajectory.
Got cold without a coat but t here was many of them.

Danged if it wasn’t one of the coolest things I’ve seen in the sky.
I just don't want to wind up missing a digit or limb.  I can sometimes get in a hurry to get results.
Sam

Offline Bob/OlallaWa

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Re: SpaceX launch
« Reply #335 on: January 24, 2020, 09:32:19 PM »
That is so cool, glad you were able to pick them out. Who says living way up there doesn't have advantages.

Offline wilsonphil

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Re: SpaceX launch
« Reply #336 on: January 25, 2020, 08:19:33 PM »
So just witnessed the weirdest thing.
I’m hopin Phil will confirm the launch of 60 new satellites.

Was out dumping the ash pail and a satellite caugh my eye.
Then another shortly behind.
Then another, then like 20-30-40 more. Had time to get a look at a line of satellites all the way to the horizon, holler at mama to come out, and her to see as well.

All in a row, neatly and evenly spaced, far as the eye could see, all on about he same trajectory.
Got cold without a coat but t here was many of them.

Danged if it wasn’t one of the coolest things I’ve seen in the sky.

Yes what you are seeing was the last group of 60 we put up a couple weeks ago,  in a couple more weeks you wont see them like that anymore.  But dont worry we are putting up 60 more on Monday if the weather holds.  BTW SpaceX is now the largest operator of satellites in the world now.

Offline wilsonphil

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Offline EL TATE

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Re: SpaceX launch
« Reply #338 on: February 26, 2020, 02:11:34 PM »
a literal "sky-net"  :likebutton:
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Offline cruizng

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Re: SpaceX launch
« Reply #339 on: February 27, 2020, 07:51:45 AM »
Where can I get my "pizza box" receiver  :popcorn:

I would love 3.6ms Latency between here and Germany!

It really is amazing that all of this exciting stuff is going on and you rarely see anything in the press about it.
Mike
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Offline wilsonphil

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Re: SpaceX launch
« Reply #340 on: March 04, 2020, 06:57:31 PM »
Coming Very Soon, well the press is something we will not talk about there.

We are living in exciting times!!

for those of you that are in Texas or will be in Texas.

https://spacecenter.org/spacex/

Offline wilsonphil

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Re: SpaceX launch
« Reply #341 on: April 17, 2020, 10:49:52 PM »

Offline stlaser

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Re: SpaceX launch
« Reply #342 on: April 18, 2020, 12:09:57 AM »
I read about that earlier, exciting stuff
trying to find new ways to annoy Ken

Offline Flyin6

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Re: SpaceX launch
« Reply #343 on: April 18, 2020, 11:07:49 AM »
SpaceX now firmly entrenched in the defense contractor/governmental complex

The outright brilliance and vision of Elon Musk is staggering.
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Offline TexasRedNeck

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Re: SpaceX launch
« Reply #344 on: April 19, 2020, 08:49:52 AM »
Must be the weed.  His is probably better than what I had in high school. 

Seriously though makes me want to stand up and shout ‘Merica!

About time we stopped relying on Russia. Now to deal with the Chicoms


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Offline wilsonphil

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Offline cruizng

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Re: SpaceX launch
« Reply #346 on: April 30, 2020, 02:22:40 PM »
A very good thing!  :likebutton:

We need to take it all away from the Russian's and never use them again.
Mike
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Offline Flyin6

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Re: SpaceX launch
« Reply #347 on: April 30, 2020, 06:57:24 PM »
Milestone stuff!

But, like everything the "X" has done is milestone!

I wonder who the first gal will be?
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Offline wilsonphil

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Re: SpaceX launch
« Reply #348 on: May 10, 2020, 05:07:42 PM »

Offline wilsonphil

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Re: SpaceX launch
« Reply #349 on: May 10, 2020, 05:08:19 PM »
its going to be an interesting year