Is your avionics battery pack safe for three-flights? How about five? How can you figure out if it's safe to fly a sixth time before recharging the battery pack powering the radio system? The answer determines if you drive home happy at the end of the day, or not!

What we think of as a radio control system for models can be broken down into several sub-systems. Servos are part of the control-loop sub-system. The transmitter and receiver are . . . click to read...

Why do some brands of digital servos hum and squeal while others don't? And are the ones making so much noise also pulling more current? Click to read more....