Wheel & Differential Axle Apparatus

(SM - 007)

1 Pulley 1 (Diameter = 250 mm) 2 Pulley 2 (Diameter = 125 mm) 3 Pulley 3 (Diameter = 63 mm) 4 Load Hanger 5 Additional Weights

Simple Wheel and Axle
- Determine the Mechanical Advantage (M. A.), Velocity Ratio (V.R.) and Efficiency (η of the Simple Wheel and Axle.
Wheel and Differential Axle
- Determine the Mechanical Advantage (M. A.), Velocity Ratio (V.R.) and Efficiency (η) of the Wheel and Differential Axle.

Pulleys
- Ø=250mm
- Ø=100mm
- Ø=50mm
Loose roller
- Ø=75mm
Weights
- 2x 1N (hanger)
- 4x 0.5N
- 4x 1N
- 4x 2N
- 4x 5N

Wheel & Differential Axle Apparatus (SM - 007)
Hard copy user manual

Digital content (BI-01)
Mounting frame (BI - 05)
Extra weights
- 4x 1N
- 4x 2N
- 4x 5N

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Description
Technical Details

The trainer (SM – 007) illustrates the equilibrium of moments conditions and power savings on a differential pulley block. The trainer also demonstrates the relation between pulley diameter, lifting force and torque.

Three pulleys with different diameters are mounted on a shaft, which is itself mounted on ball bearings.
Weights are hung on the cables to vary these forces until equilibrium is reached.
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.
The experimental unit is designed to be fixed to a wall.

Mounting Frame

BI-05

Digital content (BI-01)

BI-01

Wheel & Differential Axle Apparatus

(SM - 007)