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Inside the Electronic Speed Control

Written by Lee Estingoy Technical As seen in the November 2010 issue of Model Aviation. Mysterious events are often attributed to mystical causes, and brushless power systems are about as mysterious as things get in RC. Some systems work and others don’t. Why? The usual explanation is something along the lines of, “It’s a mystery!” The reason for a component failure is a mystery to most involved, but understanding a bit more about brushless systems can go a long way toward helping a hobbyist enjoy outstanding reliability in an electric-powered airplane or…

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