Wheel and Differential Axle Apparatus
This trainer experimental unit illustrates the equilibrium conditions on a differential pulley block.
The relation between pulley diameter, lifting force and torque is demonstrated.
Three pulleys with different diameters are mounted on a shaft, which is itself mounted on ball bearings. Weights can be hung on the cables.
The forces act on the one hand directly on the periphery of the pulley with the largest diameter and another force acts on the pulley with the smaller diameter via a loose roller.
Using weights, it is possible to vary these forces until equilibrium is reached. The experimental unit is designed to be fixed to a wall.
Experiment on the equilibrium of forces and moments on a differential pulley block
Pulleys made of anodised aluminium
Set of weights
Ball bearing mounted steel shaft
Support made of anodisedaluminium
Intended for wall mounting
Accessories:
Vertical Stand for Mechanical Demonstration Units
Diameter of wheel: 170mm
Diameter of major axle: 100mm
Diameter of minor axle: 67mm
Velocity Ratio: 10.5 : 1
Maximum recommended Load: 50N
Weights set: 4 x 0.1N, 3 x 0.2N, 1 x 1N, 2 x 2N, 2 x 5N, 1 x 10N, 2 x 20N".
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