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View Diary: Merry SpaceXmas! SpaceX Test Launches 10-Story "Grasshopper" 12 Stories High, Lands Vertically. (88 comments)

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  •  Well, the problem is going to orbit and back (3+ / 0-)
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    Troubadour, OllieGarkey, Subterranean

    Yes you can carry enough fuel to make short lift-offs and landings, but to carry enough to go to orbit, have that big rocket do a re-entry, and have enough fuel to do a powered landing still needs to be shown. A full sized rocket is a big heavy thing.

    "Marco Rubio es un pañuelo Rosa!" - Montgomery Burns

    by Fordmandalay on Mon Dec 24, 2012 at 11:25:34 AM PST

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    •  Right, (1+ / 0-)
      Recommended by:

      but the fact that they pulled this off is an important first step!

      This is the door kicker. If we can do this, space industry becomes a reality.

      An Fhirinn an aghaidh an t'Saoghail. (The truth against the world.) Is treasa tuath na tighearna. (The common people are mightier than the lords.)

      by OllieGarkey on Mon Dec 24, 2012 at 12:56:46 PM PST

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    •  The weight is mostly fuel, though. (2+ / 0-)
      Recommended by:
      Troubadour, OllieGarkey

      Somewhere around 90 percent of it. So it doesn't take nearly as much to set her back down. And the atmosphere does almost all of the work slowing it back down, too.

      What has proved impractical so far is single stage to orbit.
      Without reading about it again, if they are trying to recover a booster, that implies an upper stage or two that won't necessarily be coming back. Although each stage could have its own recovery system, I suppose, if it turned out to be advantageous.

      Moderation in most things.

      by billmosby on Mon Dec 24, 2012 at 01:49:07 PM PST

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