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Blue Origin rocket makes historic vertical landing

提交时间：5 年以前

Watch as the Blue Origin rocket makes the first vertical landing. (www.youtube.com) 更多...

Alcides Segovia

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François Biral 5 年以前 3

Waow ! It looks like in the cartoon of Hergé in the 50's. ;-)

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ChicagoBrain 5 年以前 3

So the empty rocket body makes a nice smooth, controlled landing expending tremendous amounts of energy in the process. While the capsule with the human passengers makes an uncontrolled decent via parachute with a large jolt at the landing. Something seems backwards with the application of the technology here. Either way, congratulations to a job well done!

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Colin Seftel 5 年以前 1

On a manned flight, the capsule launch abort system rockets will fire to soften the landing.

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babyracer 5 年以前 1

Exactly like Soyuz.

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Colin Seftel 5 年以前 1

Not quite. Soyuz has dedicated launch abort rockets, mounted above the capsule, which are jettisoned after a successful launch, and separate landing rockets. Blue Origin's New Shepard capsule (and Space-X's Crew Dragon) have their launch abort systems mounted below the capsule, which allows them to combine these functions to save weight and improve re-usability.

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babyracer 5 年以前 1

Sorry, I should have expanded (Fallout 4 induced sleep deprivation) - I meant to say both have soft-landing retros that fire immediately before touch-down. Sure beats the "watch that planet!! What planet? SPLAT!!" method of landing ;)

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Dan Chiasson 5 年以前 1

Don't see anything wrong with the approach. Taking operational costs into effect, having a reusable launch unit makes a huge difference in having a business case that supports their model. Also, most likely less risk at this point in time in having the customers parachute back. Controlled landings, as NASA knows, is in its infancy with several spectacular failures.

Cheers , , ,

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Ric Wernicke 5 年以前 2

Seems to me a rocket that lands under power that needs an asbestos surface to avoid burning a hole halfway to hell is of limited use. A device that comes down with a high altitude burn and an airfoil for lift makes more sense.

Never mind. I just described the space shuttle.

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Mario Accardo 5 年以前 1

The space shuttle required a complicated system of solid and liquid rockets, and assembly process that took a couple of months to turn around. In addition to the complicated reassembly and time, it cost a lot of money to operate. Think of the reduced area of operation required to land thus rocket, versus gliding an airplane with its ceramic tiles, through a precise glide slope across the sky. This rocket is like an elevator to orbit. The control system demonstrated can probable be applied to rockets of greater size. Thus making this scalable for better economy. The STS has always been limited in scaling up.

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Victor Engel 5 年以前 2

I think it would make more sense for a vehicle like this to have two or more arms that stick out on landing. This would be much more stable because the center of gravity would be below the thrust rather than above it.

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Colin Seftel 5 年以前 1

Most of the deceleration from Mach 3.7 is done by air brakes, which are positioned at the top of the rocket for stability. With most of the fuel expended, I would guess that the weight at landing is concentrated near the motor and the landing leg attachment points are probably above the center of mass.

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A Sellitto 5 年以前 1

Sure looks like it has 4 legs that stick out, just not a lot.

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Jack Carson 5 年以前 2

Looks like the old science fiction movies where the rocket ship lands on Mars or Venus or wherever.

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babyracer 5 年以前 2

No longer science fiction ;)

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AABABY 5 年以前 1

Flash Gordon, Buck Rogers, and Commander Cory Stayed with the main rocket. Maybe they had a better system?

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30west 5 年以前 1

An updated version of an old technique, the Lunar Excursion Module, that was manually controlled by the pilot for landing versus computer control today. First done in July 1969 by LEM pilots Neil Armstrong and Buzz Aldrin, then replicated by five other NASA crews over the following years. Well done gentlemen!!

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Jared Smith 5 年以前 1

This was, in a way, much more difficult and complicated than the lunar landing due to the atmosphere that interacted with the exhaust plume in very powerful and non-intuitive ways.

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Jeffrey Bue 5 年以前 1

Great achievement by BO. I just don't understand why neither BO or SX don't consider using chutes to slow the 1st stage booster instead of relying totally on an engine restart/thruster system. Maybe they have considered it and it's too complex.

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Jared Smith 5 年以前 1

SpaceX tried a number of times to recover boosters using aero drag and parachutes. The boosters broke up or were damaged beyond the ability to deploy the parachutes during the initial uncontrolled atmospheric entry.

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Blue Origin rocket makes historic vertical landing

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