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Boston Gear F72410KB7J Right Angle Gearbox, NEMA 140TC Flange Input, Left Output, 10:1 Ratio, 2.38" Center Distance, 3.18 HP and 1069 in-lbs Output Torque at 1750 RPM: Mechanical Gearboxes: Amazon.com: Industrial & Scientific
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TT Motor All-Metal Gearbox - 1:90 Gear Ratio : ID 3802 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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How to make a planetary gearbox with your own hands - YouTube | Wood craft projects, Diy wooden projects, Wood crafts
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