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    Thread: Mach 1.1 freefall! Red Bull Stratos

    1. Member
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      10-09-2012 11:32 AM #26

    2. Member MCTB's Avatar
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      10-09-2012 11:35 AM #27
      Quote Originally Posted by absoluteczech View Post
      it's on hold till 11:30 MDT
      So, thats 130 EST?
      Looking for a car event on the East Coast? Check here

      I have an idea, we will try it my way first...and then we will finish.

      MCFC

    3. Geriatric Member absoluteczech's Avatar
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      10-09-2012 11:44 AM #28
      yea 2hrs head of mtn time

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      10-09-2012 11:45 AM #29
      Be pretty cool to do the Iron Man sonic boom while he is falling. I wonder what it would feel like in a suit.

      < Dan >

      B5 Audi 1.8t

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      10-09-2012 11:46 AM #30
      Well aren't you just a funsucker today.

      Quote Originally Posted by CBJ View Post
      They don't really need a guy jumping out of a basket for this. A vacuum chamber will do.
      They don't really need F1 cars to prove aerodynamics either, just windtunnels...
      The real world is not a test cell, if it were then you wouldn't see any spy shots from BP because all of the testing could be done on a dyno.

      Quote Originally Posted by CBJ View Post
      The only reason there is high speed - (not acceleration because gravity isn't changing) is low resistance. Doing nothing he'll eventually slow to the same speeds a normal skydiver will travel.
      But since there is less resistance then there will be high speed, it's still really hot.

      Quote Originally Posted by CBJ View Post
      Hope he's ready for 1g of acceleration and less then that of deceleration. I wonder if he could pop the chute the moment he leaves the capsule. It probably wouldn't do anything until the air density starts to go up anyway.
      I think he's probably felt close to 1g of acceleration on every jump he's ever made minus wind resistance of course. And that circles us back to how his acceleration will in fact be higher than a jump at 1/2 the altitude because the force of gravity is constant, the opposing force of aero resistance change with the atmospheric pressure. His mass stays the same so that just leaves acceleration to vary.

      Quote Originally Posted by CBJ View Post
      A difference of 7 to 10,000 feet. Hardly seems worth the effort.
      As pointed out it's closer to 18,000 feet which is nearing 20%. That's huge! Even if it was only 10,000 feet it would be close to 10%, still a bigger deal than you are.

      Keep sucking the fun out of this, I think it's pretty incredible that it's being done by a private company and publicized. I wouldn't be surprised to hear that the military has already been testing at higher altitudes.
      Lately I have been testing "tip-in events". Just the tip-in. Just to see how it feels. Response time is typically on the order of 2-3 seconds. Sometimes the injection timing is a little off...

    6. Geriatric Member absoluteczech's Avatar
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      10-09-2012 11:52 AM #31
      Wind conditions have improved and the balloon is being laid out. Felix Baumgartner's suit up procedure is complete.
      .

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      10-09-2012 12:49 PM #32
      Cannot wait!

    8. Member SoLo2pointO's Avatar
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      10-09-2012 12:51 PM #33
      Joe Kittinger says "been there, done that."



      Source
      Turn down for what?

    9. 10-09-2012 12:55 PM #34
      Quote Originally Posted by SoLo2pointO View Post
      Joe Kittinger says "been there, done that."



      Source
      Joseph Kittinger is mentoring Felix and will be in communication with him from the ground. These too guys are the definition of bad asses.

      To those that are crapping on this let's see you do it, but that means you would need to leave the comfort of your parents basement.

    10. Member pentaxshooter's Avatar
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      10-09-2012 12:56 PM #35
      Yup, and he is going to be on the other end of the radio with Felix during all of this ^

      edit- beaten!
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      10-09-2012 01:02 PM #36
      Quote Originally Posted by CBJ View Post
      They don't really need a guy jumping out of a basket for this. A vacuum chamber will do.



      The only reason there is high speed - (not acceleration because gravity isn't changing) is low resistance. Doing nothing he'll eventually slow to the same speeds a normal skydiver will travel.



      Hope he's ready for 1g of acceleration and less then that of deceleration. I wonder if he could pop the chute the moment he leaves the capsule. It probably wouldn't do anything until the air density starts to go up anyway.



      A difference of 7 to 10,000 feet. Hardly seems worth the effort.


      Also: improper use of than invalidates your arguments.

    12. 10-09-2012 01:04 PM #37
      Quote Originally Posted by pentaxshooter View Post
      edit- beaten!
      Were you at VIR this weekend?

    13. Member compy222's Avatar
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      10-09-2012 01:14 PM #38
      as a side note. that kittinger fellow is a giant badass in his own right:

      Quote Originally Posted by wiki project excelsior
      The first test, Excelsior I, was made on November 16, 1959. Kittinger ascended in the gondola and jumped from an altitude of 76,400 feet (23,287 m) .[1] In this first test, the stabilizer parachute was deployed too soon, catching Kittinger around the neck and causing him to spin at 120 revolutions per minute. This caused Kittinger to lose consciousness, but his life was saved by his main parachute which opened automatically at a height of 10,000 feet (3,048 m).

      Despite this near-disaster on the first test, Kittinger went ahead with another test only three weeks later. The second test, Excelsior II, was made on December 11, 1959. This time, Kittinger jumped from an altitude of 74,700 feet (22,769 m) and descended in free-fall for 55,000 feet (16,764 m) before opening his main parachute.

      The third and final test, Excelsior III, was made on August 16, 1960. During the ascent, the pressure seal in Kittinger's right glove failed, and he began to experience severe pain in his right hand from the exposure of his hand to the extreme low pressure. (See Effects of vacuum on humans.) He decided not to inform the ground crew about this, in case they should decide to abort the test. Despite temporarily losing the use of his right hand, he continued with the ascent, climbing to an altitude of 102,800 feet (31,333 m). The ascent took one hour and 31 minutes and broke the previous manned balloon altitude record of 101,516 feet (30,942 m), which was set by Major David Simons as part of Project Man High in 1957. Kittinger stayed at peak altitude for 12 minutes, waiting for the balloon to drift over the landing target area. He then stepped out of the gondola to begin his descent.

      The small stabilizer parachute deployed successfully and Kittinger fell for 4 minutes and 36 seconds, setting a long-standing world record for the longest free-fall. At an altitude of 17,500 feet (5,334 m), Kittinger opened his main parachute and landed safely in the New Mexico desert. The whole descent took 13 minutes and 45 seconds and set the current world record for the highest parachute jump. During the descent, Kittinger experienced temperatures as low as −94 °F (−70 °C). In the free-fall stage, he reached a top speed of 614 miles per hour (988 km/h).

      "An hour and thirty-one minutes after launch, my pressure altimeter halts at 103,300 feet. At ground control the radar altimeters also have stopped-on readings of 102,800 feet, the figure that we later agree upon as the more reliable. It is 7 o'clock in the morning, and I have reached float altitude ... Though my stabilization chute opens at 96,000 feet, I accelerate for 6,000 feet more before hitting a peak of 614 miles an hour, nine-tenths the speed of sound at my altitude."

      A plaque attached below the open door of the Excelsior III gondola read, "This is the highest step in the world".
      this man must have his pants custom tailored to fit his balls.
      Quote Originally Posted by capsaicin View Post
      AP1 S2000? I can not in good conscience talk you out of that. May your slip angle be great and your bed not be the couch!

    14. Member pentaxshooter's Avatar
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      10-09-2012 01:19 PM #39
      Quote Originally Posted by The Ninja View Post
      Were you at VIR this weekend?
      Nope, I had taken off far too many weekends recently and actually needed to work so I'm not broke #collegekidproblems
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      10-09-2012 01:27 PM #40
      Quote Originally Posted by The Ninja View Post
      Joseph Kittinger is mentoring Felix and will be in communication with him from the ground.
      And probably say things like, "How was your heated capsule? Bet it was warm, huh?


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      10-09-2012 01:41 PM #41
      Does anyone know if there's going to be any video coming in from Felix's side? From a helmet-cam or side mounted camera on the capsule?

      I can't find anything about it

    17. Member SidVicious's Avatar
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      10-09-2012 01:42 PM #42
      They just aborted for today...

    18. Member HASSELHOF's Avatar
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      10-09-2012 01:44 PM #43
      Quote Originally Posted by Mikefc626 View Post
      Does anyone know if there's going to be any video coming in from Felix's side? From a helmet-cam or side mounted camera on the capsule?

      I can't find anything about it
      he'll have two hd camera's mounted to his legs pointing to his head.
      so it goes... ಠ_ಠ

    19. Member SnowGTI2003's Avatar
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      10-09-2012 01:47 PM #44
      Quote Originally Posted by SidVicious View Post
      They just aborted for today...
      I was so excited to see the live feed become active with activity. Then scrubbed.... booo

    20. 10-09-2012 01:48 PM #45
      Weather tomorrow is not looking good.

    21. Geriatric Member absoluteczech's Avatar
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      10-09-2012 02:07 PM #46
      yea its been canned.. lame. weird thing is website only shows 0.8mph winds...? sorry but dont think it will get much less then that.

    22. Member pentaxshooter's Avatar
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      10-09-2012 02:14 PM #47
      Quote Originally Posted by absoluteczech View Post
      yea its been canned.. lame. weird thing is website only shows 0.8mph winds...? sorry but dont think it will get much less then that.
      That wasn't correct. They need less than 2mph winds @ 800 feet for a launch to take place. It was up to around 17 earlier today.
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    23. Member G0to60's Avatar
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      10-09-2012 03:58 PM #48
      Pretty amazing stuff but I've always wondered why they never mention that the speed of sound is different higher up in the atmosphere then at sea level. The speed of sound is about 70mph slower at 120k feet (also at ~ -30F) then at sea level (at ~ 70F). Seems that's kind of fudging the books a little bit.

      Don't get me wrong. This is an amazing feet that he and Kittinger will and have done.

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      10-09-2012 04:10 PM #49
      Quote Originally Posted by G0to60 View Post
      Pretty amazing stuff but I've always wondered why they never mention that the speed of sound is different higher up in the atmosphere then at sea level. The speed of sound is about 70mph slower at 120k feet (also at ~ -30F) then at sea level (at ~ 70F). Seems that's kind of fudging the books a little bit.

      Don't get me wrong. This is an amazing feet that he and Kittinger will and have done.
      I see nothing wrong with that and it isn't fudging anything. It is supersonic. Science, you're its bitch.
      Quote Originally Posted by 20aeman View Post
      No, the real enthusiast vehicle would be the RX8. It combines V12 Lamborghini gas mileage with Hyundai Genesis 4cyl. performance.

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      10-09-2012 05:23 PM #50
      Quote Originally Posted by G0to60 View Post
      Pretty amazing stuff but I've always wondered why they never mention that the speed of sound is different higher up in the atmosphere then at sea level. The speed of sound is about 70mph slower at 120k feet (also at ~ -30F) then at sea level (at ~ 70F). Seems that's kind of fudging the books a little bit.

      Don't get me wrong. This is an amazing feet that he and Kittinger will and have done.
      I think the people that care about the precision of the speed of sound at altitude will already know that it varies with the density of the fluid that it is being transmitted through and probably don't care about the omission. The people who are shocked by that probably couldn't grasp what's going on anyway.

      In one of the notes that I read it said that Felix B. has already jumped from 97,000 feet so he's been pretty close to the record already in his practice jumps.
      Lately I have been testing "tip-in events". Just the tip-in. Just to see how it feels. Response time is typically on the order of 2-3 seconds. Sometimes the injection timing is a little off...

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