http://wiki.openpilot.org/display/Doc/BumbleBee http://wiki.openpilot.org/display/Doc/BumbleBee this parts BOM (from HobbyKing, mostly, so it's cheap) gives you

http://wiki.openpilot.org/display/Doc/BumbleBee http://wiki.openpilot.org/display/Doc/BumbleBee this parts BOM (from HobbyKing, mostly, so it's cheap) gives you a basic idea of what you'd need. I built a similar quad using PCB milled on a homemade drill press for the center plate (rather than buying it laser cut).