Most of what you need to build an autonomous air vehicle is already in your phone: https://code.google.com/p/andro-copter https://code.google.com/p/andro-copter

Most of what you need to build an autonomous air vehicle is already in your phone: https://code.google.com/p/andro-copter https://code.google.com/p/andro-copter What are you going to do, restrict brushless DC motors, LiPo batteries, carbon fiber tubing / ABS plastic, and small propellers (they still use wooden ones on some planes, which would also work on quads) ?