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Perhaps the coolest rocketry video I've ever seen...

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Perhaps the coolest rocketry video I've ever seen...

Unread postAuthor: D_Hall » Sat Jun 05, 2010 7:51 pm

...And I've seen a LOT of rocket videos.

Got an email from John Carmack today (yes, I get emails from JC). In it was a link to a video of a test shot he did yesterday. Mind you, it may not be amazing to everybody as perhaps you need to be a rocketry geek to appreciate the difficulty of what's done here. Trust me when I say that what's done here is a world class demonstration of technology.

So what is done?

Vertical launch to 2000' altitude.
Short hover at 2000'.
ENGINE TURNED OFF!
Small drogue parachute deployed (with vehicle swinging wildly under canopy).
Parachute jettisoned.
ENGINE RESTARTED.
Vehicle regains control.
Vehicle lands vertically.


WOW!
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Unread postAuthor: chinnerz » Sat Jun 05, 2010 7:58 pm

Wow that was AWESOME!
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Unread postAuthor: Gun Freak » Sat Jun 05, 2010 8:32 pm

Holy shiz, it looks like some alien space craft! Was the engine turn off intentional? It was unmanned, I presume, so was it controlled by a man or was it all done my itself? AWSOME.
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Re: Perhaps the coolest rocketry video I've ever seen...

Unread postAuthor: boyntonstu » Sat Jun 05, 2010 8:32 pm

D_Hall wrote:...And I've seen a LOT of rocket videos.

Got an email from John Carmack today (yes, I get emails from JC). In it was a link to a video of a test shot he did yesterday. Mind you, it may not be amazing to everybody as perhaps you need to be a rocketry geek to appreciate the difficulty of what's done here. Trust me when I say that what's done here is a world class demonstration of technology.

So what is done?

Vertical launch to 2000' altitude.
Short hover at 2000'.
ENGINE TURNED OFF!
Small drogue parachute deployed (with vehicle swinging wildly under canopy).
Parachute jettisoned.
ENGINE RESTARTED.
Vehicle regains control.
Vehicle lands vertically.


WOW!


Any weight and other measurements available?

How much thrust?
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Unread postAuthor: saefroch » Sat Jun 05, 2010 8:56 pm

Wow... I gotta get me one of those... IMO such measurements are arbitrary really, what I see is an incredible proof-of-concept.

Computer-controlled, I presume?
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Unread postAuthor: mark.f » Sat Jun 05, 2010 9:28 pm

I have but one question: who built this?
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Unread postAuthor: D_Hall » Sat Jun 05, 2010 9:28 pm

For more details on the vehicle: http://www.armadilloaerospace.com

As saefroch says, thrust and such are largely irrelevant. What's relevant is how it controlled itself (and yes, computer controlled).
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Unread postAuthor: deathbyDWV » Sat Jun 05, 2010 9:41 pm

That is so cool!!! That must have took alot of work...
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Unread postAuthor: Tidbit77 » Sat Jun 05, 2010 10:26 pm

I am absolutely speechless O.O
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Unread postAuthor: deathbyDWV » Sat Jun 05, 2010 10:36 pm

After watching it again, I noticed the nozzle is moving when it gets close to the ground. I'm guessing this is how it's kept upright but tha could also just be the power shaking it...

I was also thinking, someone should put the last half of the video (after the chute is dropped) on YouTube as "Alien Craft Lands In Plain Sight!!!"... :lol:


Edit: BTW,
Got an email from John Carmack today (yes, I get emails from JC).

Everyone already knows that you are awesome, you don't need to gloat... :lol: :D
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Unread postAuthor: D_Hall » Sat Jun 05, 2010 11:01 pm

Yes, the nozzle is moving. It's called "thrust vector control" and yes, that's how the vehicle is controlled.
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Unread postAuthor: deathbyDWV » Sun Jun 06, 2010 6:28 am

D_Hall wrote:Yes, the nozzle is moving. It's called "thrust vector control" and yes, that's how the vehicle is controlled.

Ah Ha!!! Score one for me...
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Unread postAuthor: inonickname » Sun Jun 06, 2010 6:54 am

That's amazing how stable it was. Very impressive.

Can't imagine the kind of work, planning and resources that goes into this...I'm building liquid N2O rockets at the moment, but they have nothing on how cool this is.
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Unread postAuthor: saefroch » Sun Jun 06, 2010 7:26 am

Pop one of those control systems onto an SS-18 Satan engine and you've got one powerful VTOL system...

But I do wonder what they're planning to use this for... It has clear applications so far as NASA is concerned, like with landing craft from free-fall in turbulent conditions... but what would be more amazing is if we used this for some earth-based transport...
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Unread postAuthor: D_Hall » Sun Jun 06, 2010 10:11 am

saefroch wrote:But I do wonder what they're planning to use this for...

The goal is space tourism. The intent is to be a competitor for Virgin Galactic.... But instead of it being like a glorified airline flight... you're going like Buck Rogers: vertical take off, flight, and landing.

This is cool from a customer's perspective for the obvious reason.

It's cool from the operator's perspective because the size of "airfield" required to operate such a vehicle goes from "full-sized airport" to "you could do it in your backyard." Thus, the operator saves millions of dollars in infrastructure costs.
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