Sure,

Basically, the tail rotor works like this.


Instead of a servo adjusting pitch on the tail rotor to change direction.......


It uses a fixed pitch tail rotor blade. The gyro tells the tail rotor motor to spin up and blow more air, or slow down and blow less air.
More air, and the heli turns right, less air, and it uses the torque of the main rotor head to turn left.

You can sometimes hear it while in forward flight. You can hear it go WHIZZZZ whiZZZ Whizzzz as the gyro compensates and revs it up.

Its not the ideal set-up obviously, as it is slower than a pitch set-up, and less precise....but it works surprisingly well considering its low-tech approach.

The blade is WAY more stable than a gyroless machine. LOL. I never flew one of those old heliboys, but Ive talked to some old timers around here that have flown them, and they all said if they could have had one of these small electrics back then it would have been the cat's meow.

Wasnt it groupner that offered a $10,000 award to the first person that could make a heli fly a figure 8, back in the early days. I heard their first heli was based off the design that the guy that did it used.