New answers tagged gears
When your function (such as an extending crane boom) gets to one limit or the other, this clutch gear ratchets instead of binding up the motor and all the gears in between. ETA: Forgot the second question. It has appeared in many sets, most recently the Fairground Mixer.
These are 3 different versions one the same shape / function that fit over axle. The right one is the oldest from the 80 The left one came next The middle one came after that. To make it more confusing, lego is now back producing the right shape again What I can remember had the original one a lot of clutch power and was hard to be removed. Personal I ...
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