Aviation Photo #1041849 Stemme S-10V - Untitled

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Interessting wing endings!
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Photo Added: May 07, 2006

Comments (6)

11 years ago
Maybe they were testing different wing profiles... Anybody has some information?
11 years ago
Somebody had a very close look at the wingtips of an eagle. Must have good slowflight capabilities
11 years ago
These endings are part of an experimental series aiming to reduce induced drag - these wingtips offer the performance of much longer wings or winglets. Indeed they were inspired by the wingtips of large flying birds - based on the simple observation the albatros or seagull (having the slender wings like high performance sailplanes - are not the biggest (heaviest) birds! Obviously, the heaviest birds (swans, vultures) habe quite short wings, but wingtips ending in separate feathers - giving us a strong hint that the efficiency of this wing type may be superiot to that of wings with huge aspect ratios.- sd
11 years ago
In my opinion there is ideal motive insolation ... sharpness well done too ...
Looking forward to get more information about winggrids.... rgds Klaus LE
7 years ago
I am in the process of building a 4.5 meter scratch-built glider of my own design, and am looking for elegant solutions to cleanup tip vortices. This stemme anti-vortice solution is the most impressive and original i have come across.
5 years ago
It's cool looking but that's probably about it... These may reduce induced drag by reducing the wing tip vorticies but more than likely the increase in the parasitic drag from having multiple airfoils stacked (which increases the frontal cross section) will greatly out weigh the decrease in induced drag... Induced drag is really only a problem on larger aircraft, that's why you don't see a skyhawk with winglets and even winglets on small jets are mostly for show... engineering also includes aesthetics and lets face it, winglets look good.

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