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Antares test launch poll

Posted by: Lourens - Wed Apr 10, 2013 8:02 pm
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Antares test launch poll 

What will be the fate of the inaugural Orbital Antares rocket?
Launch postponed beyond the 21st 0%  0%  [ 0 ]
Perfect launch, and they all lived happily ever after 17%  17%  [ 1 ]
Umbilical stays firmly attached this time. Very firmly. Pad abort. 0%  0%  [ 0 ]
First stage malfunction, whole stack goes swimming 0%  0%  [ 0 ]
US and Russian parts cannot bear to say goodbye, staging failure 33%  33%  [ 2 ]
Second stage solidly refuses to light, but successfully burns up on re-entry 0%  0%  [ 0 ]
GNC problems, destroyed by range control or ends up in the wrong orbit 17%  17%  [ 1 ]
Launches successfully, then accidentally survives re-entry and crashes into Kim Jong-Un's back yard. Whoopsie! 33%  33%  [ 2 ]
Total votes : 6

Antares test launch poll 
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Post Re: Antares test launch poll   Posted on: Wed Apr 24, 2013 9:19 pm
some more on the phone sats

http://www.gizmag.com/phonesat-launch/27211/

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Post Re: Antares test launch poll   Posted on: Wed Apr 24, 2013 9:23 pm
SuperShuki wrote:
Lourens wrote:
And on the other hand, if the free market is so awesome, why didn't we have 10 SpaceXes 20 years ago? After all, the satellite launch market has been there for a while, and existing providers were all extremely expensive, so there was quite enough opportunity.



I saw a speech on youtube by a guy who tried to do exactly that, using old russian ICBMs, if I'm right. Apparently NASA stopped him. I looked for the speech, but I couldn't find it. Maybe someone here also saw it?


IIRC Elon Musk tried to buy a couple of de Nuked ICBMs from the Russians but after a lot of being messed around he set up SpaceX and built stuff himself. I don't think it was NASA stopping him.

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Post Re: Antares test launch poll   Posted on: Thu Apr 25, 2013 1:31 am
Probably a good thing. Soviet quality control was not the greatest.


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Post Re: Antares test launch poll   Posted on: Thu Apr 25, 2013 9:51 pm
JamesG wrote:
Probably a good thing. Soviet quality control was not the greatest.


Not much was. Maybe the AK-47 Kalachnikov.

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Post Re: Antares test launch poll   Posted on: Fri Apr 26, 2013 12:29 am
SuperShuki wrote:
...Maybe the AK-47 Kalachnikov.
...although we all know the design didn't reach it's full potential until Yisrael Galili got a hold of it... IMI Galil :D

A more germane example might be the Sierra Nevada Dream Chaser whose roots go all the way back to another innovative Soviet design. (Though I won't vouch for the "quality control" of that particular project.)

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Post Re: Antares test launch poll   Posted on: Fri Apr 26, 2013 2:43 am
FutureNow wrote:
SuperShuki wrote:
...Maybe the AK-47 Kalachnikov.
...although we all know the design didn't reach it's full potential until Yisrael Galili got a hold of it... IMI Galil :D

A more germane example might be the Sierra Nevada Dream Chaser whose roots go all the way back to another innovative Soviet design. (Though I won't vouch for the "quality control" of that particular project.)


I imagine that the lifting body http://en.wikipedia.org/wiki/Martin-Marietta_X-24 x-24 has more to do with dreamchaser.

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Post Re: Antares test launch poll   Posted on: Fri Apr 26, 2013 3:47 am
SuperShuki wrote:
JamesG wrote:
Probably a good thing. Soviet quality control was not the greatest.


Not much was. Maybe the AK-47 Kalachnikov.


No. the genius of the AK-47 was that it was designed to be impervious to indifferent manufacture and maintenance.

You can only take that so far with rocket science.


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Post Re: Antares test launch poll   Posted on: Fri Apr 26, 2013 3:59 am
Quote:
I imagine that the lifting body http://en.wikipedia.org/wiki/Martin-Marietta_X-24 x-24 has more to do with dreamchaser.

Sure, along with the Northrop HL-10 and several others from the 1960s and '70s, but I understand that NASA's HL-20 (essentially the direct precursor to Dream Chaser) was inspired as much by the Soviet Bor-4 as any of the earlier US designs. Of course the Bor-4 was largely a rip-off of the previously mentioned US lifting body designs, but to be fair, we weren't doing much with those in the late '70s... maybe that had something to do with that other space-plane project we were toying with. :wink:

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Post Re: Antares test launch poll   Posted on: Fri Apr 26, 2013 12:57 pm
Form follows function. Lifting bodies are pretty constrained by the properties of aerodynamics.


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Post Re: Antares test launch poll   Posted on: Sat Apr 27, 2013 3:39 am
JamesG wrote:
Form follows function. Lifting bodies are pretty constrained by the properties of aerodynamics.

I guess that's why the Buran was practically a Xeroxed copy of the Space Shuttle. :wink:

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Post Re: Antares test launch poll   Posted on: Sat May 04, 2013 1:08 am
No. The Shuttle was not a true lifting body. In fact it's design is quite un-optimum because it is about a thousand conflicting compromises.

And the Buran was a copy because... I donno. Because the politburo probably ordered, "We must have Shuttle too!" And so they did exactly that and built as close to an exact copy as they could manage.


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Post Re: Antares test launch poll   Posted on: Sat May 04, 2013 6:21 pm
JamesG wrote:
No. The Shuttle was not a true lifting body. In fact it's design is quite un-optimum because it is about a thousand conflicting compromises.

And the Buran was a copy because... I donno. Because the politburo probably ordered, "We must have Shuttle too!" And so they did exactly that and built as close to an exact copy as they could manage.


I read that Stalin ordered his minions to build a copy of a B-29 that had crashed in the Soviet Union. They did it perfectly - including a small bullet hole that was in the wing. Well, at least so they say. Wikipedia says that's a myth.

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Post Re: Antares test launch poll   Posted on: Tue May 07, 2013 2:08 am
Not a myth.

Tupolev Tu-4

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Post Re: Antares test launch poll   Posted on: Tue May 07, 2013 3:51 am
No, I meant it being a myth about the hole in the wing.

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