The Gearbox designed for the yellow DC motor increases the torque 14.2 times, so the torque will be 11.36 Kg.cm instead of 0.8 Kg.cm "Theoretically."
the gear reduction ratio is 7/100
all the gears inside are spur gear module 1.5
The design is suitable for fabrication by a 3D printer and all files needed can be downloaded from the following link
https://www.cgtrader.com/3d-print-mod...
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