Autoloader functional diagram determination handling fixed ammunition

The article presents new methodology of an autoloader functional diagram determination for a fixed cartridge using electric drivers. The time courses of the cartridge conveyor displacement, feeding device driven levers and ramming device driven shaft revolutions are analyzed as the main parts of the autoloader. The torque of the cartridge conveyor is measured by a strain gauge and the signal is transferred wirelessly to the data logger. The measurement results proved suitability of published method to be used to verify model calculations and to identify the input parameters for calculations. The analyses were proposed due to absence of appropriate technical documentation and for educational purposes. The findings are expected to be applicable for further technological modifications of the 73 mm cannon loading device to extend its operational time in case of upgrading.