Stackable Compact Planetary Gearbox

Stackable Compact Planetary Gearbox Features:planetary gearbox with 4:1 ratiocan decrease the output angular velocity by ¼ time per stackcompact size (3mm x 3mm x 8mm) Notifications:This model requires super glue and M2 bolts (x4) for assemblyThe length of the bolt should be as following:(Bolt Length) ≥ 2.5 + (StageNumber)*5.5 (mm)For those who wish to design their own Shaft to either ‘mount on the carrier’ or ‘use as an input’, the shaft&#39;s cross section parameter is 3mm x 3mm Assembly Guide:Follow the instruction below for easy assembly.1. Place Planet Gears around the Sun Gear2. Insert the Carrier into Planet Gears3. Assemble the Ring. Make sure the teeth are engaed well4. Assemble the Outer Case. It&#39;s normal to be snug5. Attach the Shaft to the Carrier with super glue</figc