The Wheel & Differential Axle Apparatus ProDynami - 1228 demonstrates equilibrium conditions on a differential pulley block using three anodised aluminium pulleys. This Wheel and Differential Axle Apparatus applies forces directly and via a loose pulley across pulleys of different diameters on a ball bearing mounted steel shaft. Interchangeable weights allow load variation to study force and moment equilibrium. Standard and optional pulley sizes are available for wall mounting.

Wheel & Differential Axle Apparatus ProDynami - 1228, Technical Specifications
| Specification | Detail |
|---|---|
| Experiment Focus | Equilibrium of forces and moments on a differential pulley block |
| Pulleys | 3, made of anodised aluminium |
| Weight Sets | 2 sets of weights |
| Shaft | Ball bearing mounted steel shaft |
| Base Plate | HDF Laminated |
Technical Data
Pulley Diameter (Standard)
| Parameter | Value |
|---|---|
| Large | D=250mm |
| Medium | D=100mm |
| Small | D=50mm |
Set of Weights
| Parameter | Value |
|---|---|
| Set | 2x 0.5N (hanger), 4x 0.5N, 4x 1N, 4x 2N, 4x 5N |
Optional Pulley Diameter
| Parameter | Value |
|---|---|
| Large | D=190mm |
| Medium | D=114mm |
| Small | D=38mm |
Optional Loose Pulley
| Parameter | Value |
|---|---|
| Diameter | D=80mm |
Key Features
Experiments
Construction and Design
The Wheel & Differential Axle Apparatus ProDynami - 1228 is built around three anodised aluminium pulleys of different diameters, fitted to a ball bearing mounted steel shaft. Standard pulley diameters are D=250mm, D=100mm, and D=50mm. Forces act directly on the periphery of the largest pulley, and via a loose pulley on the two smaller pulleys. The base plate is HDF laminated. Interchangeable weights, including 2x 0.5N hangers, 4x 0.5N, 4x 1N, 4x 2N, and 4x 5N, permit the load to be varied so that equilibrium is obtained. Optional pulley diameters of D=190mm, D=114mm, and D=38mm are available, along with an optional loose pulley of D=80mm. The model is intended for wall mounting.
Scope of Delivery
Q: What is the Wheel & Differential Axle Apparatus ProDynami - 1228 used for?
A: It is used to demonstrate the conditions of equilibrium on a differential pulley block, studying force and moment equilibrium.
Q: What are the standard pulley diameters?
A: The standard pulley diameters are D=250mm, D=100mm, and D=50mm.
Q: How are forces applied to the pulleys?
A: Forces act directly on the periphery of the largest pulley, and via a loose pulley on the two smaller pulleys.
Q: Are optional pulley sizes available?
A: Yes, optional pulley diameters of D=190mm, D=114mm, and D=38mm are available, along with an optional loose pulley of D=80mm.
Q: How is the apparatus mounted?
A: The model is intended for wall mounting.