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"this drill features double pinion gears to ensure rotational accuracy"
What on earth is 'rotational accuracy' ?
 
I bought a Millars Falls hand drill from a car boot for 50p, the cogs have prime numbers of teeth so only mesh with the same tooth every 1086 revolutions.

Pete
 
pcb1962":3qduht7w said:
"this drill features double pinion gears to ensure rotational accuracy"
What on earth is 'rotational accuracy' ?

I have just Googled rotational accuracy and I still have no idea :shock:
 

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