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SpaceX just landed an orbital rocket for the first time!

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Posted: Fri Mar 31, 2017 8:23 pm     Super secret spam barrier
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I was giggling like a kid yesterday, explained it to a couple at work today and you could see they thought it was neat... but that was as far as it went. IT'S A FRIGGEN HELO-ROCKET!


Posted: Wed Dec 20, 2017 11:07 am     Super secret spam barrier
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So... SpaceX have come along way from Nicks first post and I'd say I've become a bit of a fan boy, now this here is exciting to see.
Image Image


Posted: Wed Dec 20, 2017 1:26 pm     Super secret spam barrier
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Also, they're gonna use a pair of boats like this with nets strung from the "claws" to catch the fairings :D

Edit: link didn't attach for some reason? 
https://imgur.com/gallery/MQcEE


Last edited by Nick Seafort on Wed Dec 20, 2017 11:31 pm, edited 1 time in total.

Posted: Wed Dec 20, 2017 10:31 pm     Super secret spam barrier
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I stood in front of the Saturn 5 jacked up on its side outside Johnson Space Center in Houston a couple of months ago...they have come a long way since then indeed...


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“Each Javelin round costs $80,000, and the idea that it's fired by a guy who doesn't make that in a year at a guy who doesn't make that in a lifetime is somehow so outrageous it almost makes the war seem winnable.”

― Sebastian Junger, War


Posted: Thu Dec 21, 2017 9:26 am     Super secret spam barrier
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So Musk made an interesting tweet or two. “Max thrust at lift-off is 5.1 million pounds or 2300 metric tons. First mission will run at 92%.” So that’s for the Falcon Heavy. Someone then mentioned the Saturn 5 and this was his response.

“Falcon Heavy launching from same @NASA pad as the Saturn V Apollo 11 moon rocket. It was 50% higher thrust with five F-1 engines at 7.5M lb-F. I love that rocket so much.”


That’s just crazy that the Saturn 5 was so powerful and we haven’t come close to beating it.


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Posted: Thu Dec 21, 2017 9:51 am     Super secret spam barrier
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Even more amazing when you think it was manufactured before CNC. All welding was done by hand. All machining and fitment - by hand. Have you SEEN the F1 engine. It’s a piece of art. The turbo booster for the fuel pump is more powerful —— than a very powerful thing... let alone the main engine !


Posted: Thu Dec 21, 2017 12:29 pm     Super secret spam barrier
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They found the Saturn V gave so much lift they were planning Mars missions using it before the relative programs were sadly cancelled.

Watched this booster come back down and I have to say it's immensely satisfying and exciting to see, really looking forward to seeing what ol' musky does next.


Posted: Thu Dec 21, 2017 4:00 pm     Super secret spam barrier
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The impressive thing is that he’s largely pulling it together by force of will (and his own financial muscle). It took an entire branch of government, a zillion subcontractors, the military and the Cold War to get the Saturn 5 built...

Still an amazing machine...I spent an entire morning crawling all around it.

ImageImageImageImage

“Each Javelin round costs $80,000, and the idea that it's fired by a guy who doesn't make that in a year at a guy who doesn't make that in a lifetime is somehow so outrageous it almost makes the war seem winnable.”

― Sebastian Junger, War


Posted: Thu Dec 21, 2017 4:03 pm     Super secret spam barrier
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Melonfish wrote:
...really looking forward to seeing what ol' musky does next.


Next he’ll launch his car into a circumsolar orbit...[emoji51]

Image

“Each Javelin round costs $80,000, and the idea that it's fired by a guy who doesn't make that in a year at a guy who doesn't make that in a lifetime is somehow so outrageous it almost makes the war seem winnable.”

― Sebastian Junger, War


Posted: Thu Dec 21, 2017 5:08 pm     Super secret spam barrier
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I'm really eagerly looking forward to the BFR/S (Big f**k Rocket/Spaceship) that they've started building out. That rocket is designed to be fully reusable (both the booster and the spaceship mounted above it), and to take humanity to anywhere in the solarsystem - initially to Mars.

For comparison, some quick numbers and a picture. Sketchy estimates/unconfirmed marked with ~


VehicleMass (tonnes)Expendable to LEO (tonnes)Reusable to LEO (tonnes)Price to LEO ($/kg)Notes
Falcon 955022.818.2~2,700While already a market leader, the price is set to drop as more cores are reflown. Can also send 4 tonnes to Mars.
Falcon Heavy1,42063.8~51~1,400Price is set to drop as more cores are reflown. Can also send 17 tonnes to Mars.
BFR4,400~250~150~28Price is not a typo. As the entire vehicle is designed for "airline-like reuse", the claim is that the cost will be less than that of their first small rocket at ~$7m per launch. As a cherry on top, specifically designed for orbital refuelling, and to send 100 people to Mars (or anywhere else in the solar system) in comfortable conditions, including all their personal and industrial/survival requirements...
Saturn V2,970140-~8,300A gorgeous piece of technology, but crude compared to its Russian contemporary: the N1.
Shuttle2,030-27.5~58,000Only tenuously included as "reusable" and due to its iconic nature.
SLS (proposed)?130-~5,400Unlikely to ever fly, due to US government repeatedly re-scoping their mission and withdrawing funding.
New Glenn (proposed)?-~45~55,000Price based upon a mentioned price of $2.5b to build the rocket. Also of note is that Blue Origin have yet to actually even carry a paid payload on a sub-orbital hop, let alone produce an orbital rocket.


Shuttle
Falcon 9 (with Dragon)
Falcon 9
Falcon Heavy
New Glenn (2 stage)
New Glenn (3 stage)
Saturn V
SLS
BFR
ITS (previous concept for BFR)
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