Hemmings Motor News Blog Blog

Hemmings Motor News Blog

Hemmings Motor News has been around since 1954. We're proud of our heritage, but we're also more than the Hemmings full of classifieds that your father subscribed to. Aside from new editorial content every month in Hemmings, we have three monthly magazines: Hemmings Muscle Machines, Hemmings Classic Car and Hemmings Sports and Exotic Car.

While our editors traverse the country to find the best content for those magazines, we find other oddities related to the old-car hobby that we really had no place for - until now. With this blog, we're giving you a behind-the-scenes look at what we see and what we do during the course of putting out some of the finest automotive magazines you'll ever read.

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Tech 101: How Multiple Planetary Gears Work Together in a Transmission

Posted January 14, 2013 9:45 AM by dstrohl
Pathfinder Tags: gear planetary Tech 101 transmission

Pay attention, grunts! Last week, thanks to the U.S. Army's instructional video series that's made its way to YouTube, we took a look at how fluid couplings work. We'll return to that series today for a brief overview of planetary gears, the natural followup in understanding the basic operation principles of an automatic transmission. Actually, this appears to be the second in a two-part video on planetary gears, covering the more complicated combinations of multiple planetary gears (the first part appears to either have been lost or not yet uploaded), but it does start with an overview of how planetary gears work.

Watch the video on the Hemmings blog here.

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