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philh

space dive

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Anyone see this story?

http://www.telegraph.co.uk/news/worldnews/northamerica/usa/3543929/US-firm-offers-cut-price-space-tourism.html

Xcor have announced flight into low earth orbit on two seater rocketplane for $95,000. They are partnering with Oribatal Outfitters who will make the space suits all of their passengers will wear. Since there will only be one passenger , how hard would it be too depressurise, open the door and jump out? This is the same company that linked to the story of space diving here:

http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/3310793/'Space-diving'-to-be-latest-extreme-sport.html

Looks like we are getting a bit closer to reality.

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yeah something like that cheese...:D

or maybe i was referring to a high interest yield account....


I'm gonna go and start rapping and break dancing in the bank, maybe they will just give me the money :D


I can't rap for shit though, they might just bring me to jail

if you want a friend feed any animal
Perry Farrell

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Anyone see this story?

http://www.telegraph.co.uk/news/worldnews/northamerica/usa/3543929/US-firm-offers-cut-price-space-tourism.html

Xcor have announced flight into low earth orbit on two seater rocketplane for $95,000.

http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/3310793/'Space-diving'-to-be-latest-extreme-sport.html

Not really low earth orbit. That requires not only a climb to over 100 miles up, but the energy to accelerate to over 17,000 mph horizontally. All these private space ventures have been suborbital, ballistic type flights. BTW, I believe the orbital speed is the cause of most of the reentry heating, not the altitude. The problems of parachuting from 50 miles up with little forward speed are small compared to parachuting from orbital altitudes at orbital speeds.

Still, it sound like fun. Count me in.

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BTW, I believe the orbital speed is the cause of most of the reentry heating, not the altitude.



'Tis the cause of ALL the reentry heat. Its fugin cold up there!




I am not testing your beliefs!
Y yo, pa' vivir con miedo, prefiero morir sonriendo, con el recuerdo vivo".
- Ruben Blades, "Adan Garcia"

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Yes sorry I meant to type sub orbital, not low earth orbit, my bad .
But anyone know if there's any reason why you couldnt depressurise the plane and get out at say between 100,000-250,000 ft ? They are going to carry one passenger and one pilot, both wearing space suits.

Also anyone know if there's been any modelling of what might happen to the human body if you were free falling at the asscoaited speeds?

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That requires not only a climb to over 100 miles up, but the energy to accelerate to over 17,000 mph horizontally.



Just a quick mention that the escape speed only needs to be that high if it is a single instantaneous acceleration from the surface, with no propulsion after the initial liftoff. Other complicating factors too, but an object can actually escape at any speed as long as it keeps moving.

Heck, at 17K MPH you'd burn up on the way out just as certainly as you'd burn up on the way in (without the protection necessary for a successful high speed reentry).
" . . . the lust for power can be just as completely satisfied by suggesting people into loving their servitude as by flogging them and kicking them into obedience." -- Aldous Huxley

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Also anyone know if there's been any modelling of what might happen to the human body if you were free falling at the asscoaited speeds?

Kitterenger, from 102,000 feet, supposedly broke the sound barrier. I've read that it would definitely happen from higher without a drouge. Supposedly you would feel the shock wave as a line of pressure moving up and down your body. Don't know how much aerodynamic heating you would get.

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That requires not only a climb to over 100 miles up, but the energy to accelerate to over 17,000 mph horizontally.



Just a quick mention that the escape speed only needs to be that high if it is a single instantaneous acceleration from the surface, with no propulsion after the initial liftoff. Other complicating factors too, but an object can actually escape at any speed as long as it keeps moving.

Heck, at 17K MPH you'd burn up on the way out just as certainly as you'd burn up on the way in (without the protection necessary for a successful high speed reentry).

Hmm, I think you're reading in something I didn't write. I was talking about boosting into a stable low Earth orbit. You have to go up at least 100 miles to get above most of the atmosphere. Then you have to go 17,000 mph(horizontally) to stay in orbit. All this lifting and acceleration takes energy. Ask any rocket scientist. Now, I never said "instantaneously." None of our manned or unmanned spacecraft fire out of a big cannon or anything like that. I was thinking of a rocket, not a mortar.:P


Escape velocity, to actually escape from Earth orbit, is much higher, about 25,000 mph. Yes, you could fire a long burning rocket straight up to sloooowly escape the Earth's gravitational pull. The energy requirement for that? Same as accelerating an object to 25,000 mph, I do believe. Kallend, are you out there?:D

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