The thesis addresses the design of a laboratory testing rig for evaluating the efficiencies of bicycle chain drives. As part of the project, we developed a concept for the testing rig, researched and selected appropriate components, constructed a 3D-model, and created technical documentation. The testing rig allows for precise comparative measurements of the efficiencies of chain and belt drives under various loads, speeds, gears, and positions. It is designed to be robust, with the capability for easy upgrades and modifications. The selected components enable precise measurements, including a torque meter, drive, and load. A detailed 3D-model has been created, taking into account technical requirements and incorporating all selected components. Technical documentation, including assembly and workshop drawings, has also been prepared.
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