RC BASICS: What is KV

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13 Feb 2016

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When using electric motors to power RC model aircraft you’ll often hear the term KV - so what is it? In this video, I explain what KV is and how it can be used to calculate the RPMs of a motor when powered from a battery of a known voltage. I also demonstrate how to measure the KV of a motor when it is unknown -- although you can buy a KV meter which will do the job much more simply if you want. I’m sorry that this video is a bit long -- I may re-edit it later and shorten it up a bit.

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