What kind of power budget do you have? Are you using solar, batteries, or a combo? 12 volt? >Instead of fantasizing I'm been building. There's been a Robotic Mowbot >mailing list for a while. The primary web page is > >http://members.xoom.com/Mowbot > >It examines Mowbots and other domesticated robots. > >I'm currently fleshing out a platform that's driven by windshield wiper >motors, uses a 7.25 in saw blade attached to a car fan blower motor for >cutting, and will eventually be driven by a PIC. The technology is certainly >doable...