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Old Sep 26, 2007, 10:43 PM
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Geode's Avatar
San Jose, CA
Joined Jan 2007
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Birdwing - A 12:1 Semi Scale Flying Wing

Not sure if this scaled butterfly fit into scale forum .....

This project was intended to investigate the flying envelop of a 60" flying wing for SSDC 2007 design contest . Design goals --> all around flying wing for light wind slope soaring and flat land thermal.

Wing planform is borrowed from Rajah Brooke's Birdwing Butterfly. Airfoil used is Pete Wick's PW1211's for F3K plank.

Detail Build log can be found in slope forum.

Hope you enjoy
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Old Sep 26, 2007, 10:46 PM
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Geode's Avatar
San Jose, CA
Joined Jan 2007
795 Posts
Flight Video

Hand Launch
http://video.google.com/videoplay?do...58066867&hl=en

Discus Launch
http://video.google.com/videoplay?do...79585484&hl=en

Slope Soaring
http://video.google.com/videoplay?do...55957977&hl=en
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Old Sep 26, 2007, 11:32 PM
Mezmerizing...ain't it!
Robert N's Avatar
San Jose, California
Joined Jul 2007
180 Posts
HS, Nice Bird you got there. See you up on the NW side of Communications Hill!
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Old Sep 27, 2007, 09:47 AM
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San Jose, CA
Joined Jan 2007
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OK, I'll try to find you this weekend on the slope !
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