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| GEAR TRAIN QUESTION - ANSWER | |
| V. Ryan © 2003 | |
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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. Bevel gears can be used to change the direction of drive in a gear system by 90 degrees. In the diagram, the head revolves clockwise and anticlockwise as the bevel gears are turn backwards and forwards. |
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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 ? CLOCKWISE |
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(d) What is the name of the gear
arrangement shown in the diagram above ? COMPOUND |
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| (e) The motor turns at 180 rpm. How fast will gear Y turn ? | |
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| (f) How fast will gear X turn ? | |
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