Katherine Mangu-Ward | January 4, 2007

Blue Origin, Amazon.com founder Jeff Bezos's space tourism company, has successfully launched for the first time. Bezos has been playing close to the vest, so this is some of the first real information about his project: "Our first objective is developing New Shepard, a vertical take-off, vertical-landing vehicle designed to take a small number of astronauts on a sub-orbital journey into space. On the morning of November 13, 2006, we launched and landed Goddard – a first development vehicle in the New Shepard program. The launch was both useful and fun." Blue Origin has just released pictures and video here .
Bezos also says, "My only job at the launch was to open the champagne, and I broke the cork off in the bottle. : ) Fortunately, our other valve operations went more smoothly."
Be sure to check out my article "Space Travel for Fun and Profit" in the January print edition for more about the near-future of private space travel.
(Disclosure: Jeff Bezos is a supporter of reason and one of our 35 Heroes of Freedom. He is also a badass, donations or not.)
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If that thing were covered in tinfoil, it would look like a tinfoil hat. Or a giant Hershey Kiss.
NO WAY, No flipping way. That has got to be some kind of joke.
Do you have any idea how inefficient that sort of vertical landing
is? I bet they used all the fuel they could hold just for that
short flight (assuming it isn't some sort of hoax).
Color me gobsmacked.
I have to assume that the thing will be hoisted on a much larger rocket... If so, what's the big deal? That tech's been around a very long time.... If not then I want to know what propulsion system and fuel they are using and invest in that.....
...Au contarire, my friends. McDonnell-Douglas (now part of
Boeing) did the same thing and more with the DC-X more than ten
yars ago:
http://en.wikipedia.org/wiki/McDonnell_Douglas_DC-X
Bezos and his people have reinvented the DC-X -the Goddard is a
small scale, proof-of-concept version of the New Shepard,
(http://www.astronautix.com/craft/newepard.htm )and it's not
intended to do anything more than get a few hundred feet up.
Mike
NO WAY, No flipping way. That has got to be some kind of
joke. Do you have any idea how inefficient that sort of vertical
landing is? I bet they used all the fuel they could hold just for
that short flight (assuming it isn't some sort of hoax).
Actually, no. For a rocket designed to go into space, it is about
as weight efficient as horizontal landing with wings, while
avoiding all the hellish issues of carrying wings around and having
different orientations on take-off and landing.
An orbital vehicle will have a fuel-to-vehicle mass ratio of around
20. When worrying about whether the vehicle can land vertically,
consider that the tanks are almost empty. It clearly has the engine
power to land: Its engines already launched 20 times its landing
mass! The bigger issue is actually whether the engines can be
throttled down far enough.
A little odd that this appears on a libertarian site, considering that Bezo's attempts at space tourism would not be possible without the billions of dollars worth of knowledge discovered by NASA over the decades (ie stolen from taxpayers).
MikeP,
Stop, you're embarrassing yourself. The engines used for landing
are not the ones used for takeoff. Empty tanks are jettisoned.
Retrorockets are nowhere near as weight efficient as wings. Wings
and reorientation are minor nuisances.
Clearly, as PJ says this is meant to be used in conjunction with
parachutes. And as others note, it's nothing new. It's the same
scheme (hopefully much improved) the soviets used to land their
capsules.
Rename it the New Shepherd Book, then you can enlist all of the Firefly fanatics.
If the future isn't going to give me flying cars, then goddamnit, I want a VTOL rocket.
You know, the quality of our trolls is definitely heading south.
Libby may be the weakest yet.
Tell me, fellow libertards, your nomination for weakest HnR
troll.
Warren,
That was yesterday. This is today. Things that have been learned in
the meantime include:
1. Big is not bad. Cost scales with complexity, not with
size.
2. Dense is bad. Keeping your empty tankage means less heat load
during reentry.
If you keep the big, fluffy giant empty ship instead of separating
it from the little, dense human habitat on top, you effectively
are a parachute. And it takes little from your engines or
your remaining fuel to shed the last couple hundred meters per
second of orbital speed to land.
Did you even look at the link Mike
Kozlowski included? Or how about one on Blue Origin itself?
If you follow the MSNBC link from there, you'll see that it does
have the ability to separate the capsule for parachute landing. But
it plans for the ability to land the whole thing as launched.
Yes, if you want to invent yet another towering artillery rocket
that throws its warhead into orbit using many stages only to be
brought down with parachutes, you are correct. Presumably Bezos
wants to do something a little bit better. Reusable single-stage to
orbit is the holy grail in this business, and many smart people
believe it should be possible with a well thought out design.
To be more particular...
The engines used for landing are not the ones used for
takeoff.
Why not?
Retrorockets are nowhere near as weight efficient as
wings.
There are no retrorockets: only the engines already required for
other parts of the mission. The weight that needs to be compared to
the weight of wings is the miniscule fuel requirement for
landing.
Wings and reorientation are minor nuisances.
Cone-shaped vehicles have been studied for decades. Their
aerodynamics are trivial and easily scaled compared to those of yet
another winged vehicle, which are a nightmare as you go from
subsonic to supersonic to hypersonic and back. Furthermore, not
only do radially symmetric capsules have no surprises, they also
have fewer exciting failure modes like having holes punched in them
or tearing off.
Reorientation brings its own aerodynamic challenges. But it also
means, at the very least, having to tow the vehicle to a ramp so it
can be stood up again. One of the possible uses for a reusable
near-SSTO vehicle is New York to Tokyo flights taking two hours. If
you require specific runway and stand-up facilities wherever you
land, you will find fewer airports that can accommodate you.
R C, Libby might be lamer than our other trolls, but I'll take
lame over persistent and obnoxious.
Jane/Juanita/etc. remains amusing.
Way cool. But they forgot the giant spotlight that's supposed to shine out the back end.
Warren, with all due respect, you probably need to look into the
history of single-stage-to-orbit (SSTO).
Rockets should take off and land on their tails, "as God and
Heinlein intended."
Tell me, fellow libertards, your nomination for weakest HnR
troll.
Too difficult. Lately we have an embarrassment of riches.
Compounded by the fact that it's impossible to tell the
intentionally moronic cloned parodies from the unintentionally
moronic earnest originals.
I nominate myself as the lamest ...
Oh, wait, its for the weakest troll not the lamest commenter.
Can I still be the lamest?
A plane load loaded with all the Hit&Run Reasonoids
experiences total engine failure.
Captain Gillespie informs the crew and passengers that there enough
parachutes for all, but one.
He asks if the lamest commenter would volunteer to forgo his claim
on a parachute.
Immediately, a fight breaks out in the back of the Economy Class
section between Apostate Jew and NoStar.
I have to assume that the thing will be hoisted on a much
larger rocket...
In case it's not clear from the other comments...
What was launched was presumably a small scale prototype to test
take-off, hover, and landing, along with various control systems
required for flight. The real deal that will go into space will not
be this vehicle mounted on a larger rocket. It will be the same
thing, perhaps a bit larger. The vehicle that we can only assume
Bezos hopes for in the long run that will go into orbit will be
huge. But it will have pretty much the same shape and
pretty much the same behavior and be designed according to the same
principles and with all the lessons learned along the way.
Reusable SSTO is technically challenging. But one of its great
advantages over traditional orbital rockets is that you can test
every bit of the flight profile and envelope, as you need to, with
the same vehicle. Even the orbital version will first be tested
with a flight to 285 feet, then with a suborbital hop, then with
several emergency and abort profiles, before it will finally be
launched into orbit.
With this plan, never will Bezos have to plop a giant glider on top
of a big fuel tank with two massive solid rockets on the side, tip
it on its tail, and fire it into orbit -- all without ever having
testing the complete system in any sort of flight whatsoever. When
Bezos' ship gets to orbit, it will be only the next step from its
flight halfway around the world.
Who's a troll? You guys call yourselves libertarians but don't seem to mind the socialist project known as "NASA" taking our property for the purpose of developing a space program for all these years?
Libby Tarian - Just because I like to flummox trolls, how
exactly do you see enthusiasm over private space travel as
equating to enthusiasm for NASA?
Any attempt to respond without answering the question convincingly
will result in my never reading another one of your comments.
:)
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