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Yellow Gear with 84 Teeth! Answered


I have a large collection of K'Nex and have discovered that a few of my yellow gears have 84 teeth instead of the usual 82.

The shade of yellow is paler than usual and the spokes have a narrower shoulder near the rim.

Can anyone shed any light on this?

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Shadowman39

4 years ago

From the color description it's probably an older gear, since newer Knex pieces use a slightly darker yellow (unless it just became pale from being in sunlight). Does it have a hole near the edge? I found a page here that says that the yellow gear in the picture has 82 teeth, does yours look like that?

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ElapShadowman39

Reply 4 years ago

Yes - that's it! Where did it come from? And why does Googling not find it referenced anywhere?

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Shadowman39Elap

Reply 4 years ago

They seem to come to Knex education sets, though it's strange because the ones in the solar energy set have a hole near the edge (but still 84 teeth). Here's a link to the solar energy set teacher's guide (page 48 says that they have 84 teeth). There's also a renewable energy set that has the gears. I guess there isn't much on Google because not much people buy those education sets.