Ultra-Light Micro FPV Quad Racer

A low budget First Person View micro size Quadcopter, which I hope to someday race against others. There are 2 versions of the UL frame; A conversion frame for 4mm square arm gearbox quads like Vivitar Air Defender & WLToys UFO and a direct drive version with snap-in motor mounts (7.5mm). The FC platform is 36 x 40mm. If using 5" props you will need to either replace all the props with 4" or modify the rear props, I will test both methods. You can use tape, a velcro strap, a thick rubber band or