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| GEAR TRAIN QUESTION | |
| V. Ryan © 2003-2017 | |
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1. A shop owner has approached your design company to make a mechanical toy based on a head turning. The owner would like your company to manufacture a shop display that is eye catching for passers-by. The animation to the left shows the intended idea. As the round handle turns the head also rotates. |
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(a) Using the incomplete diagram opposite, sketch a mechanism that would convert the rotary motion of the handle into rotary motion of the head. |
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(b) The shop owner has decided that the model should be motorised and he has sketched the drawing opposite. |
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| (c) If the motor turns in a clockwise direction, which direction will gear X turn ? | |
| (d) What is the name of the gear arrangement shown in the diagram above ? | |
| (e) The motor turns at 180 rpm. How fast will gear Y turn ? | |
| (f) How fast will gear X turn ? | |
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