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Old 11-14-2013, 02:57 PM   #1 (permalink)
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Elon Musk trying to get some air...

Probably needs a diversion from ground problems, his next vision is in the sky with VTOL supersonic transport!

Elon Musk's next big project could be supersonic jet - Telegraph

Not SpaceX's but speculating.
http://www.diskrotor.com/images/DRH-2a-w.JPG
http://www.diskrotor.com/images/lear...-15%5B1%5D.jpg
http://www.diskrotor.com/images/diskrotor-05-101.jpg

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Old 11-14-2013, 04:01 PM   #2 (permalink)
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Seems like a way to cut down on helicopter hub drag, blade flex, and to unload the blades by loading up the wing-shaped disk instead.

If you'd retract the blades into the disk, it could go a lot faster than a common helicopter which is essentially limited by blade speed.
And DOH !
That's exactly the point ... http://www.diskrotor.com/concept.htm

The disk rotor images are subsonic designs though.
And the tail rotor / fenestron is an anachronism .

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