It is a similar section to the RG15, with similar lift to drag, but has more camber. This airfoil was also designed for competition and in the 1990s did very well in F3B. how could they perform differently? Well, when flying a model the differences are very evident. When set right the airfoil pays off with spectacular performance and maneuverability. Nose heavy is good for maiden flights, and washout was added to the wing design to help with the stall characteristics. It has a sharp stall curve and a low moment, need to get the CG in the right place or it can be difficult and disastrous. very fun models and the inspiration for this project's start. The Destiny, Blade, Mach Dart, and the Banana are just a couple. Many of my favorite slope models use this airfoil from 1-meter up to 3-meter wingspans. and is a very capable for Dynamic Soaring with recorders over 250 mph. It can travel across the sky looking for lift without losing too much altitude. This airfoil likes moderate lift and rewards with speed, acceleration, and quick response. Small or large, light or heavy, this airfoil's flight characteristics remain relatively the same. The RG15 is a very low drag airfoil with a wide speed range and consistent attributes. This airfoil and new molded glider building techniques dominated these categories for years. This airfoil was designed in the late 1970s specifically for RC competition gliders competing in F3B and F3F.
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