Yuri Yatcenko, UKR A model by Lars Roos, Trelleborg, Sweden. Also called Stunt. A predetermined flight program with advanced maneuvers is to be performed, and points are given for the precision by a panel of referees. It takes some nerve to do this repeatedly with an airplane that has taken hundreds of hours to build. Models are often very attractive with a superb finish.
Wings have flaps that are coupled to the elevator.
As the engine leans out in response to the g forces of the maneuvers, power increases to compensate for the induced drag and keep speed up. There are lots of beginner categories on the national level, to match the skills of all flyers. This is the racing event, involving simultaneous flying and pitstops. Gilbert, FRA, Titov, RUS Myself Practising Pitstops. The all-out important catch is that tank size is limited to 7 cc.