
Further Resources
• Spur Gear Builders: hessmer.org/gears/InvoluteSpurGearBuilder.html and
woodgears.ca/gear_cutting/template.html
• How to determine gear ratio: wikihow.com/Determine-Gear-Ratio
• How to set up a motion study: youtube.com/watch?v=JWJI8yzPUdU
• Planetary gear ratio calculations: woodgears.ca/gear/planetary.html
Chapter 11: Gears 211
Kk
Right-click and choose Animate Model to see the motion.
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