Purpose. The demonstration model is intended for studying the appearance and design of the automatic coupler of a SA-3 type car in specialized courses at specialized educational institutions. Description. The demonstration model should represent two automatic couplers of the SA-3 type, located opposite each other, and fully reproduce the operation of the automatic coupler, including: […]

Purpose. Designed for students of specialized educational institutions to acquire knowledge about the design of a carriage bogie and its main components. Description. The demo shall be an electrified 3D scale model of the Model 68-4096 dual axle bogie. The rail track must be made to the scale of the layout. Structural elements should be […]

Purpose. The demonstration model is intended for studying the appearance of defects in a car wheel using mock-up samples as part of specialized courses at specialized educational institutions. Description. The demonstration model must consist of mock-up samples of car wheel segments in an amount of at least 7 pieces. with the following defects: — fat; […]