There is an energy cost to take the fuel up in the air just to use it to get back down.

Craig Schmaderer wrote:
You can't use parachutes on something that large and traveling that fast. Rockets would be a lot easier if you could. It was somewhat successful with the spaceshuttle but they basically had to rebuild them anyways after they scooped them out of the ocean. They were also much smaller and solid boosters. The cost of the fuel is nothing compared to the cost of the rocket.

Craig schmaderer
Skywave Wireless, Inc.




On Mon, Dec 21, 2015 at 7:00 PM -0800, "Eric Kuhnke" <[email protected] <mailto:[email protected]>> wrote:

Parachutes large enough to slow the speed down sufficiently, and landing legs robust enough to handle a 2 meter/second landing would probably be heavier and cause more drag than keeping some residual fuel for the powered landing.



On Mon, Dec 21, 2015 at 6:46 PM, Jay Weekley <[email protected] <mailto:[email protected]>> wrote:

    Seems like that's a waste of fuel when you can use parachutes.

    On December 21, 2015 8:11:18 PM CST, Chuck McCown <[email protected]
    <mailto:[email protected]>> wrote:

        Pretty cool.   Launched, delivered goods to orbit.  Landed
        first stage vertically back at the launch site.
        First time ever for that complete chain of events.
        Too bad it was a night launch.  The landing video is not very
        good.


-- Sent from my Android device with K-9 Mail. Please excuse my brevity.



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