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Old 01-17-2021, 06:44 AM
  #1941  
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Originally Posted by pangolin View Post
Don't jump. It’s a long way down.
But the rate at which I would fall would about be equivalent to the rate at which the earth falls away underneath me. Hence, orbit. I am not worried. Ain’t it amazing how that works?🤪
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Old 01-18-2021, 07:45 AM
  #1942  
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Originally Posted by TransWorld View Post
But the rate at which I would fall would about be equivalent to the rate at which the earth falls away underneath me. Hence, orbit. I am not worried. Ain’t it amazing how that works?🤪
The original first few space shuttle flights the two pilots aboard sat on ACES-II ejection seats. I’ve never figured out what NASA was thinking with that. They couldn’t eject after SRB ignition because they would have been cremated until they lose those SRBs. That happened 24 miles up when they were hypersonic. Couldn’t eject in atmosphere AT ALL except in the last minute or so before landing because they were still supersonic and the q forces would have torn their limbs off. Only place they could safely eject was in orbit.

An Aces II air bottle was good for about 20 minutes.

They took them out for later flights...
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Old 01-18-2021, 07:55 AM
  #1943  
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Originally Posted by Excargodog View Post
The original first few space shuttle flights the two pilots aboard sat on ACES-II ejection seats. I’ve never figured out what NASA was thinking with that. They couldn’t eject after SRB ignition because they would have been cremated until they lose those SRBs. That happened 24 miles up when they were hypersonic. Couldn’t eject in atmosphere AT ALL except in the last minute or so before landing because they were still supersonic and the q forces would have torn their limbs off. Only place they could safely eject was in orbit.

An Aces II air bottle was good for about 20 minutes.

They took them out for later flights...
I don’t know this, but my speculation is that NASA was still scarred by the Apollo 1 fire and was more concerned about getting them out on the pad in the event of a fire.
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Old 01-18-2021, 08:00 AM
  #1944  
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Originally Posted by Excargodog View Post
The original first few space shuttle flights the two pilots aboard sat on ACES-II ejection seats. I’ve never figured out what NASA was thinking with that. They couldn’t eject after SRB ignition because they would have been cremated until they lose those SRBs. That happened 24 miles up when they were hypersonic. Couldn’t eject in atmosphere AT ALL except in the last minute or so before landing because they were still supersonic and the q forces would have torn their limbs off. Only place they could safely eject was in orbit.

An Aces II air bottle was good for about 20 minutes.
It might have worked in a Challenger situation, where the SRB's were off doing their own thing. Also would have worked for ditching or off-airport arrival after a launch abort or possible emergency off-profile re-entry. Any situation where they could get low and slow.

I'd consider it a prudent capability for the early test flights only.

Originally Posted by Excargodog View Post
They took them out for later flights...
Same reason we don't have them... passengers can't eject.
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Old 01-18-2021, 11:11 AM
  #1945  
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Originally Posted by rickair7777 View Post
It might have worked in a Challenger situation, where the SRB's were off doing their own thing. Also would have worked for ditching or off-airport arrival after a launch abort or possible emergency off-profile re-entry. Any situation where they could get low and slow.

I'd consider it a prudent capability for the early test flights only.

Same reason we don't have them... passengers can't eject.
You make a good point, Rick.
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Old 01-19-2021, 04:07 PM
  #1946  
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I'm wondering if looking at each day's TSA screening numbers have become tiresome for many. They certainly have for me; at this point in the recovery I'm much more interested in digging for and finding trends. Based on that, here's the breakdown for the week of December 27th by state. Not really a surprise that states with a heavy concentration of lockdowns and/or international travel are lagging the rest of the country. For an interesting contrast, compare the U.S. Virgin Islands and Hawaii - both are traditionally popular winter destinations, but this year appears to be quite different (at least for Hawaii).

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Old 01-20-2021, 08:37 AM
  #1947  
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Originally Posted by bradthepilot View Post
I'm wondering if looking at each day's TSA screening numbers have become tiresome for many. They certainly have for me; at this point in the recovery I'm much more interested in digging for and finding trends. Based on that, here's the breakdown for the week of December 27th by state. Not really a surprise that states with a heavy concentration of lockdowns and/or international travel are lagging the rest of the country. For an interesting contrast, compare the U.S. Virgin Islands and Hawaii - both are traditionally popular winter destinations, but this year appears to be quite different (at least for Hawaii).

Looks to me like a lot of skiing going on. Can you do LAST year? Maybe the relative distribution is normal?
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Old 01-20-2021, 11:10 AM
  #1948  
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Originally Posted by pangolin View Post
Looks to me like a lot of skiing going on. Can you do LAST year? Maybe the relative distribution is normal?
The relative distribution for the previous year looks nothing like this one. That one has an average of 107% vs. the year prior and the relative positions of the various states appears to be completely different (WY is way down on the list, for example, while HI is much higher up).
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Old 01-20-2021, 01:04 PM
  #1949  
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Originally Posted by pangolin View Post
Looks to me like a lot of skiing going on. Can you do LAST year? Maybe the relative distribution is normal?
Lol. With a few exceptions you can go from conservative to liberal states. left to right.
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Old 01-24-2021, 05:10 AM
  #1950  
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Is anyone else having trouble accessing the TSA numbers site?
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