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124019 Motor Pinion

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124019 Motor Pinion

Old 12-31-2021, 12:13 PM
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Default 124019 Motor Pinion

Does anyone know what size the set screw is on the motor pinion? WLToys did a wonderful job by filling it in with some sort of glue which I melted most of it out with my soldering iron. I feel like its a 1.5mm, but its not grabbing good and I dont want to strip it. 2mm is definitely too big.

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Old 12-31-2021, 01:51 PM
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Originally Posted by StellarFusion
Does anyone know what size the set screw is on the motor pinion? WLToys did a wonderful job by filling it in with some sort of glue which I melted most of it out with my soldering iron. I feel like its a 1.5mm, but its not grabbing good and I dont want to strip it. 2mm is definitely too big.

Thanks
1/16 is the next size up from 1.5

I wouldn't try anything other than quality machined/hardened tools for removing small hexes, they will strip using standard Allen wrenches.
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Old 12-31-2021, 03:06 PM
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I agree. Thanks
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Old 01-01-2022, 11:30 AM
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Originally Posted by StellarFusion
Does anyone know what size the set screw is on the motor pinion? WLToys did a wonderful job by filling it in with some sort of glue which I melted most of it out with my soldering iron. I feel like its a 1.5mm, but its not grabbing good and I dont want to strip it. 2mm is definitely too big.

Thanks
It's probably imperial so maybe a 1/16. I could be wrong but an imperial equivalent of 1.5mm is slightly bigger.
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Old 01-01-2022, 08:46 PM
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Originally Posted by No9
It's probably imperial so maybe a 1/16. I could be wrong but an imperial equivalent of 1.5mm is slightly bigger.
1/16" x 25.4mm/inch = 1.5875mm so the 1.5mm is slightly smaller than the 1/16" hex driver.
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Old 01-01-2022, 09:00 PM
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Heat the crap out of that pinion before trying to unscrew it. Little torch lighter works great
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Old 01-01-2022, 11:37 PM
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Originally Posted by glennhl
1/16" x 25.4mm/inch = 1.5875mm so the 1.5mm is slightly smaller than the 1/16" hex driver.
As stated in my post.
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Old 01-02-2022, 09:10 AM
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Originally Posted by No9
As stated in my post.
Sorry, I misread your post.
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