A pair of companies developing their own commercial space shuttles are presumably trying to flatten their hair after some rigorous wind tunnel testing. First up, Blue Origin, founded by Jeff Bezos (the guy behind Amazon), a company that's remained pretty quiet on its efforts to shuttle astronauts to the International Space Station. Its Space Vehicle setup will plump for a biconic shape (seen above), with a flattened side and a split flap. According to Blue Origin's president, Rob Meyerson, the shape allows greater volume than traditional designs, but forgo the "weight penalty" of winged craft. Compared to earlier capsules, the Space Vehicle's shape, with its fuselage flap to generate lift, should also give it better control on re-entry to earth.

Juggling for wind tunnel time, Sierra Nevada's Dream Chaser has also been blasted with smoke to test its own air resistance credentials. Its module would lauch from the top of the rocket, and glide (as much as anything that costs this much can) back to earth like NASA's own space shuttles. The Dream Chaser is planning its first flight for this fall. You can check out its more traditional take on the future of space travel after the break -- and decide which of the two you'll want sending your children to the mines.

[Picture credit: Blue Origin, SNC]

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Commercial space shuttle prototypes fly through wind tunnel testing originally appeared on Engadget on Mon, 30 Apr 2012 09:32:00 EDT. Please see our terms for use of feeds.