FSR (Корабомоделен клуб София) is a Bulgarian model boating club focused on radio-controlled ship models, boat modelling, and competitive racing. Its website introduces the club, its history, membership, technical resources, projects, events, results, photographs, and videos, serving both enthusiasts and active competitors. The club covers several types of model boating, including speed, sailing, Hydro, Offshore, Eco, Mono, and F1, F2, and F3 classes, with particular attention to FSR-V group racing.

FSR-V boats are radio-controlled models powered by internal-combustion engines. The site explains their classes, construction, equipment, and competition rules, and provides technical information on engines, electronics, fuels, and remote-control systems. It also features CMB engines and motors, spare parts, and service information. Club resources include model-building projects, a retro museum, a calendar, race results, and coverage of local and international competitions. Through its technical content and event reporting, FSR connects hobbyists interested in building, maintaining, and racing remote-controlled boats.