The engines are characterized by a robust and elaborate construction. They are designed for scale model enthusiasts who want to give their model a unique character and stand out from others. UMS has developed a series of five gasoline engines and three glow plug engines, covering the entire range of required types. Especially the small-displacement engines allow for the faithful motorization of comparatively smaller scale models, particularly warbirds. The gasoline engines feature an electronic ignition system powered by a LiPo battery. A gasoline-oil mixture is used as fuel. All engines are delivered with a silencer included. Please note that the ignition for this engine is supplied separately and is not integrated into the engine, so it requires space in the fuselage.