Profile “CRD-2”. Developed in 60-ies of the Western European model airplanes especially for rezinomotornaya models. This profile is also recommended for glider models of a class “A-1”.
Profile “E-374”. Developed in the early 70-ies of the scientist-aerodynamicist from Germany Epplerom especially for models of gliders on a large scale. Recommended for radio controlled model gliders.
Profile of “CI-1”. Developed by us aeromodellers C. Clemens and D. Jones especially for models of type “a Flying wing”.