Chain Drive with Tensioner Mechanical Demonstration Model Meters_Electrical paired with a 13 mm

paired with a 13 mm curved enamel-coated steel blade for portable benchtop and laboratory measurement tasks

and 60mm sheaves on a 4-inch mounting rod

providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide

Two-ohm wire-wound fixed resistor in an ABS module with 4mm sockets

Fitted with a grey hand knob for tightening and a small plastic pulley

Chain Drive with Tensioner Mechanical Demonstration Model Meters_Electrical paired with a 13 mmTensioner pulley keeps chain engagement consistent on this hand cranked chain drive, viewable between clear plates so students watch sprocket teeth grip and transfer torque under load.