Author Archives: John McCullough

Math Review

Here is a short youtube playlist with explanations for some vector math and trigonometry. These concepts are useful for calculating forces and loads for complex arrangements of levers and actuators.

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Planetary Gears

Hey guys. Here are some references for planetary gears. You can find a simple example of planetary gears here: Be sure to read the entire description. This is an army training video explaining how multiple sets of planetary gears can be … Continue reading

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