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planetary

Planetary Gears: A Few More Things

July 16, 2018 Charles D. Schultz 0

Before we move on to other topics, here are a few random thoughts on planetary drive design: 1.      Learn the “rules” on numbers of teeth. […]

Maximum Power Density

July 11, 2018 Charles D. Schultz 0

For some applications, maximum power density is worth the cost and difficulty of a complex epicyclic or “planetary” design. If, like me, you prefer simplicity, […]

Planetary Drives: The Same but Different

July 5, 2018 Charles D. Schultz 0

Those ancient planetary drives I first got involved with in 1979 (see previous 7/3 posting) were a collection of very simple to make parts. The […]

Suns and Planets

June 28, 2018 Charles D. Schultz 0

The first planetary drive I helped take apart had three stages of through hardened spur gears encased in a simple cast iron tube with plates […]

Planetary Gearboxes: A Wheel Inside a Wheel

June 26, 2018 Charles D. Schultz 0

We will never know who invented the internal gear — much less the multitude of “epicyclic” or “planetary” gear systems — but we know from […]

Gear Talk With Chuck

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