If you really want an intellifeed revvy though, you might try splicing into the solenoid wires, and then running those to the revvy's board where the sensor goes. That way it'd only spin when the solenoid's powered (i.e., when you pull the trigger), and you could leave your revvy powered by 9 volts still. I've never done this, but it seems like, theoretically, it could work. I wouldn't do it, but if it's that important to you...