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Old Jul 23, 2015, 09:50 AM
Knoll53 is offline
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United States, CA, Marina
Joined Sep 2006
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That is one skinny wing !

I wonder if I could make a zig zaggy turbulator strip from adhesive foam tape and pinking shears? Might be worth while for my skinny wing.
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Old Jul 23, 2015, 02:25 PM
Fly Wheel is online now
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Ochroma Pyramidale Tekton
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Blackstock, South Carolina
Joined Sep 2007
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Quote:
Originally Posted by iron eagle View Post
Uwe, nice plane and video.
Music was perfect as well.
The music was OK, but considering the title of the video (and the name of the plane) I would have chosen something a bit different...
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Old Jul 23, 2015, 10:01 PM
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"Silent Wings of Freedom"?
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Old Jul 24, 2015, 02:38 PM
Tail Saw is offline
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a wing is enough
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Germany
Joined Aug 2010
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Quote:
Originally Posted by Fly Wheel View Post
I would have chosen something a bit different...
In Germany this is not so easy because we have the GEMA that prohibits many titles also for non-commercial use as in private videos of model flight because of copyright.

Quote:
Originally Posted by Knoll53 View Post
That is one skinny wing !

I wonder if I could make a zig zaggy turbulator strip from adhesive foam tape and pinking shears? Might be worth while for my skinny wing.
Kent, the 1:2 AK-X uses the turbulator strip because in the downsized version it uses the same laminar profiles of the large man carrying version.
The turbulator balances the effects of the different Re-number, especially the location of the transition point between laminar an turbulent and suppresses the formation of laminar separation bubbles.
Turbulators work very well at low reynold numbers of our model airplanes when the strip has a thickness of 0.3 - 0.6 mm.
The AK-X 1:2 model use turbulator strips of man carrying Sailplanes to be sure of the effect. The thickness is between 0.5 to 0.85 mm:
http://www.brodbeck-flugzeugbaender.de/produkte.html
The point is to find the right position for the desired effect and to know what the desired effect is

http://www.rc-network.de/forum/showt...lieg-Karlsruhe

http://www.rcgroups.com/forums/showthread.php?t=2462032


Regards, Uwe.
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