
Got a motor without a label? Here is a strategy for figuring out what it can do.

Got a motor without a label? Here is a strategy for figuring out what it can do.

Challenge accepted! A website member has come up with a fascinating solution to my challenge from two weeks ago.
Continue reading “Simplified Motor and Propeller Selection Method” »

What was I thinking? Let me explain the logic behind my electric model airplane power system sizing rule.

This is an alternate method that is easier but less safe.
Continue reading “Measuring Motor Constants: Rm and Kv Method 2” »

Don’t panic! Using my special trick, measuring this one is dead simple.
Continue reading “Measuring Motor Constants: Voltage Constant (Kv)” »

The simplest motor constant to measure, I only recommend one method for doing this.
Continue reading “Measuring Motor Constants: No Load Current (I0)” »

Think you can measure the voltage and current right at the motor? Think again.
Continue reading “Measuring Motor Constants: Power Factor” »

A run down of the tools you can use to measure the electric brushless outrunner motor constants.

Introduction to measuring the electric brushless outrunner motor constants Rm, I0, and Kv.
Continue reading “Measuring Motor Constants: Introduction” »