So, I've been flying my A-10 VTOL, and the AUW is around 2.7 kg (5.95 pounds). I'm using three EMAX Eco II 2807 1700KV motors with 7-inch triblade props, but the model is quite heavy, and these motors are drawing too much current from the LiPo battery (a 4S Tattu 120C battery). Because of this, I’m considering building a new VTOL. I was thinking about using Ben Harber's F-16 design, but I’m open to suggestions for a better platform. The new plane needs to be buildable with just four sheets of foamboard. Any ideas?