Willard Custer demonstrates his Custer Channel Wing.
More: https://en.wikipedia.org/wiki/Custer_Channel_Wing
Previously:
NASA composite cellular morphing wing - GIF
Narushevich Ring Wing - video
Yves Rossy jet wing - photo and video
Riout 102T Alérion Ornithopter flapping wing airplane - photo
1928 bird-shaped wing aircraft crash - video and photo
1938 extending wing fighter plane - photo
Pivoting wing NASA airplane - GIF and video
Boeing 777 wing flexibility test to failure - video
New plans added on 11/20: Click here for 2,589 plans for homemade tools.
Duke_of_URL (Jun 6, 2020), IAMSatisfied (Jun 9, 2020), KustomsbyKent (Jun 1, 2020), Rangi (Jun 2, 2020), Seedtick (Jun 1, 2020), Tonyg (Jun 8, 2020)
It seems that the high HP/lift ratio on this design could be made more efficient by straightening out the wing (this design has very little downward thrust/lift to the wing) and ducting air over the straight wing from a central ducted fan design. As-is, there's not much horizontal wing area and a whole lot of HP. The glide ratio on this would resemble that of a slightly aerodynamic rock.
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