DESCRIPTION

A wheel is attached to a differential axle assembly of Ø114mm (major axle) and Ø38mm (minor axle). The wheel and differential axle are secured to a shaft that runs in bearings within a sturdy wall mounting bracket.

All necessary cords, load hangers and weights are provided.

Three pulleys are fixed together to form a compound pulley. A single cord is attached to the wheel and wrapped around a number of times before hanging vertically and ending in a loop for the ‘LOAD’ hanger. A second cord is attached between the major and minor axles. The cord is wrapped in differing directions onto each axle, this direction can be changed for different parts of the experiments. A special hanger (EFFORT) is mounted to the cord of the axles that allows vertical suspension whilst the axles rotate.

EXPERIMENTAL CONTENT

• Comparison with calculated values for simple wheel and differential axle machine
• Determination of variation with load of limiting efficiency of the machine
• Experimental determination of velocity ratio
• Determination of variation with load of effort
• Determination of variation with load of efficiency

TECHNICAL SPECIFICATIONS

• 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

FEATURES & BENEFITS

• Wall mounted apparatus
• Can be mounted to SV100 Bench Mounted Frame
• One compound pulley; three diameters
• One diameter is wheel; two are the differential axle
• Axle has special hanger remaining vertical
• Full set of weights and hangers supplied
• Locking mechanism

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