Mach 10 ejection seat test track. Holloman. - Survivalist Forum
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Old 10-20-2019, 12:43 AM
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Default Mach 10 ejection seat test track. Holloman.



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Just thought this was pretty cool.


Question. Why don't we have these in cars?? Forget the airbags, I want to blast off and float gently back down.

It would thwart vehicle car jackings as well. 'Me and the driver's seat are leaving now. And the wireless key fob is in my pocket.

or if the bad guy is in the seat, you send him on a little ride through space.

Also, how cool would it be to ride that sled?
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Old 10-20-2019, 08:01 AM
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Very cool, but the speed the test dummies ejected at looked to be solidly in the subsonic range, in the hundreds of MPH, not Mach 10. One clue is the rocket exhaust, as it will expand behind a shockwave.

I'd never ride such a contraption. High G forces are awful.
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Old 10-20-2019, 08:07 AM
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That looks like fun. I think I'll install one in my back yard.
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Old 10-20-2019, 08:28 AM
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Testing at Holloman would be awesome.

Ejecting sucks, though. If you’re not positioned correctly it’ll kill you because it fires off at around 20 Gs. It can snap your neck or back in half. The faster you are the worse it is as well because you’re suddenly getting hit by a wall of air traveling +700 MPH. A guy ejected close to supersonic and it almost ripped his arms and legs off. Luckily it broke all of them except one arm which he was able to use to swim and pull himself onto his seat kit’s inflatable boat.
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Old 10-20-2019, 08:33 AM
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Quote:
Originally Posted by cujet View Post
Very cool, but the speed the test dummies ejected at looked to be solidly in the subsonic range, in the hundreds of MPH, not Mach 10. One clue is the rocket exhaust, as it will expand behind a shockwave.

I'd never ride such a contraption. High G forces are awful.
Yeah, kinda sneaky of them. All that yacking about high Mach numbers, then eject the dummies at 400 knots or so.

Air density at ground level would make ejection at high Mach numbers suicide, even for dummies.

Maybe at 90,000 ft, they would survive, because not much air up there. (0.25 psi)
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Old 10-20-2019, 08:43 AM
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Quote:
Originally Posted by Justme11 View Post

or if the bad guy is in the seat, you send him on a little ride through space.
As you go under an overpass.
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Old 10-20-2019, 12:36 PM
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Had a friend eject from an F-84 with the brand new Ground 0 ejection system. He told stories the rest of his life about the kick in the ass and other related effects. He was doing about 250 knots and talked about not being able to breath until he slowed down.
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Old 10-20-2019, 02:09 PM
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In 1965 and '66 I was part of a team that made three excursions to Holloman, to support an experiment that was flown on the big Skyhook balloons. I remember that the original track was only about a mile from the hangar we worked from. Never saw anything run on it, though. They said Col. Stapp just about killed himself riding the thing. He was the program manager, but he wouldn't delegate the task to anyone else. They were men in those days.

They've obviously done some upgrading on it since then.
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Old 10-20-2019, 02:16 PM
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Yes indeed
Cool
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Old 10-20-2019, 02:22 PM
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Planes like the B-58, from which crew might have to eject at Mach1+, launched the man in a closed capsule.

Same for the SR-71 Blackbird, I assume.
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Old 10-20-2019, 02:47 PM
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F111 had ejection capsule, cost as much as a complete f86.
SR71 you had to wear a pressure suit but no capsule. So no survivable ejection at speed and altitude. Capsule was expensive and heavy.
Original b1 had capsule but deployed slower lower model did not.
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Old 10-20-2019, 10:01 PM
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That's nuts!

Even at sub sonic.
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Old 10-27-2019, 06:23 PM
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http://www.chuckyeager.org/news/sr-7...ce-lived-tell/

Ejection, well aircraft disintegrated, at speed and altitude. Pressure suit gave protection like a capsule, one survived with basically no injuries and one instantly killed.
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