This SK22 was the first of an upcoming fleet of elegant wooden 1:5 scale mostly scandivian RC Sailboats in Germany. By the time they were all converted to a three winch system. As can be seen in this video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Xsnv-UdZrL4.html The two foresail winches are mostly switched and adjusted via an electronic module (GM-DW) from momo-sauerland.
A member of this fantastic RC group "KMY - Klassik Modellyachten" made wonderful videos of their boat meetings: ru-vid.com/show-UCfg1gINg0lPehJWUKEgJxKw