MATERIAL OF COMPONENTS

GEARS

The gears are made up of a thermosetting plastic.This material has its advantages that it is lightweight , and has a high stiffness which are the essential requirements for this usage.Besides for such an accuracy ,it is very cheap as compared to other gear materials like steel etc.

TORSIONAL SPRING

The torsional spring is spiral in nature , and is made up of spring steel.this material is quite stiff for the present usage.

REAR WHEEL SHAFT

The shaft is made up of mild steel and is about 2mm in diameter.The material has its advantage over other probable elements that it does not buckle or twist at this diameter.

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