1
Q
Why is an idler gear used?
A
To make the gears on either side of it turn in the same direction, without affecting the output speed
2
Q
What are the 2 types of gear systems
A
Compound gear train and simple gear train
3
Q
Why is a compound gear train better than a simple gear train?
A
As it allows the same gear ration in a more compact space
4
Q
When drawing gears make sure to…. 3x
A
Use solid lines on the exterior
Use crosses in the centre of gears
Double outlines of gears
N5 Engineering Science
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