The Addiction by Delro is now my A – model again after the front of my Aries 07 went up in flames at the WC in Muncie this summer. To be honest I have from the first flight of the Addiction felt it was a bit nervous and unpredictable in turbulent air. I have thought about building new wings with a thicker airfoil but that is a lot of work so I thought I would try one thing first and that is to add turbulators to the wing. The turbulator do the same thing as the bumps on the surface of a golf ball. It makes the boundary layer turbulent which makes the air pass over the airfoil and follow the curve without separating. If you have ever flown in rain or realy humid air you probably have felt the wings feels heavier and more stable? The turbulators let you have the same feeling. The turbulators I use are made by Graupner and was bought from Lindinger in Austria. If you have the right tools you can probably make you own. The thickness of mine is 0,4 mm and are applied just like a sticker.

http://shop.lindinger.at/advanced_se...+5LFM+GRAUPNER

Now the Addiction just flies fantastic. Adding turbulators are the cheapest and most effective upgrade I have ever done to a F3A model.

You can see the turbulators as the white corrugated strip at the front of the wing. I have them on both sides of the wing.


Regards,
Henning Jorkjend