George Motor Design
Field notes

Notes from the bench.

What I've learned designing, validating and sourcing brushless motors — written for the engineers and founders who have to make the call, not for search engines.

Validation8 min

Why your prototype passed the bench and failed the dyno

A motor that spins beautifully on the bench can still be wrong in every way that matters. Here's what loaded testing exposes — and why skipping it is the most expensive saving in hardware.

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Certification9 min

What CE marking actually asks of a brushless motor

CE isn't one test or one sticker. For a BLDC drive it usually means EMC, low-voltage and sometimes machinery directives — and which ones bite depends on choices you make early.

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Production10 min

From requirement to series: an honest BLDC timeline

The gap between "I need a motor" and a qualified production part is wider than most plans assume. Here's the real sequence, stage by stage, and where it tends to slip.

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More notes on the way. Have a question you'd want answered here? Send it over.