Electronics Interest

Browse electronics articles from Radical RC, including motors, wiring, components, power systems and technical ideas for curious builders.

Understanding Wire Size

This page intended for reference purposes and will be updated from time to time. When trying to understand wire sizes, it’s important to understand the measurement system. Not all the world uses AWG (American Wire Gauge). Most wire available for our hobby today...

Crash Investigation, Why did it crash?

Just as in full scale aviation, crashes are often because of a sequence of things going wrong. I received a letter recently asking my opinion on a set of circumstances. At the time of this writing there is no 100% sure answer, not enough info is provided, however...

High Cell Count Packs

Sonny P. Writes: What is the proper way to charge a 14 cell A123 battery? Sonny, I take from your question that your concerned about the large cell count and not the rules of charging this particular chemistry of pack. Since you need to balance it from time to time,...

Ryno Motors

At first I thought this was a fake viral video, however, it’s all true. Imagine a device that can go anywhere you walk, on the sidewalk, on the street, in an elevator or to the mall. Yet on only one wheel. It’s the on set of accelerometers and similar...

Tin Whiskers

I’m not a big fan of the gradual banning of lead. Sure, I love kids and all that. However, the enviromentalists take everything too far with what they clothe in “for the greater good” arguments. It’s really an anti-capitalist movement. And,...