Double Doozy GEM Two Stage am-0586

This is an GEM two stage gearbox with two Fisher-Price motors mounted as input devices.

Gear Ratios

Overall reduction is 22.6:1

• 19 tooth (32 dp) pinion gear on F-P motor
• 32 tooth (32 dp) driven gear inside upper gearbox, coupled directly with a 15 tooth (20 dp) gear
• 15 tooth gear drives the GEM gearbox, which has a 13.5:1 ratio

Estimated free speed: 600 rpm

Weight: 3.5 pounds

Output shaft dimensions: 0.500 inch diameter with 1/8 inch keyway

Layout print
CAD File (.stp) right click, save as