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Winch Apparatus

Winch Apparatus .

Descreiption of Winch Apparatus

This industrial Winch Apparatus has been adapted for experimental work. The substantial wall bracket is to be mounted to a sturdy vertical support. A horizontal shaft running through the heart of the unit has an 'EFFORT' pulley attached to its end. Winch Apparatus pulley has a high strength cord wrapped around its periphery and terminates in a load hanger.

At the centre of the winch is a drum that also has a high strength cord wrapped around its periphery. This cord again terminates with a load hanger. Winch Apparatus cord and hanger is termed the 'LOAD'.

The student applies a set of calibrated weights to the 'LOAD' hanger and adds appropriate calibrated weights to the 'EFFORT' hanger to raise 'LOAD'.

The winch has a maximum working load of 300 kg and is equipped with a safety pawl and ratchet.

Experimental Capabilities of Winch Apparatus

To determine the efficiency of the Winch
To estimate the velocity ratio
To study the behaviour of a real Winch, especially noting the characteristics of the machine with increasing load
To examine the safety features of the Winch

Sprcification of Winch Apparatus

500Kg lifting capacity
Winch with winding drum Ø73mm connected to a 62-tooth spur gear wheel by a shear pin
8tooth pinion
Pawl and ratchet wheel
Ø172mm 'EFFORT' pulley
Ø4mm cord
The winch is supplied with a substitute cable in the form of a heavy-duty Ø8mm nylon rope
5N 'LOAD' hanger
2N 'EFFORT' hanger

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