Ya, I run a gyro on throttle, choke, AND smoke, and I have a mix that moves the elevator and rudder when I input aileron. So, I can do perfect rollers with the wingtip slapping the grass on every rotation, while I change and oil my muffler bearings on my chopper.[X(]

You can do them with only elevator, but it will look much better and be a WHOLE lot more acurate and controlled with both.