The two-wheel-drive remote-control car is on the smaller side, at 1/14th scale, but it has a powerful motor to keep it ...

A friend asked me if I could develop a low-cost power driver for toy/hobby DC motors so he could use it with his microcontroller-based small electronics toy projects. Challenge accepted, the concept ...

The 3/4hp induction motor on my Rockwell mill is OK, but it has a bent shaft and mismatched step pulley. I'm upgrading the motor to use a 4kW brushless hobby motor, which is roughly 5hp peak.