The Out-runner has the Magnets on the outside of the coils and is said to have better torque.. These 2 types have been used in Model Aircraft for more than a few years.. The motors can be would for extreme RPM (240,000+), down to just a few 100 RPM.. The controllers are radio controlled for any RPM from 0 to Maximum for the motor being used.. They can be over 90% efficient.. The power from these is actually Higher (pound for Pound) than Gas or Glow Fuel.. Lithium Ion Batteries are the norm, for more power Density...(Lighter)..
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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