c rating

Just before Christmas I got all the thing I needed to put together an electrohub quad with a pixhawk on board. I have everything flying beautifully and am really enjoying it, but the flight times aren't great. I purchased 4 multistar multirotor batteries hoping to get something in 20 minute...

Hi there! I built a flamewheel using real DJI parts and an "E300 Tuned Propulsion System" (full specs below) and it flew OK, but has been under powered; it was at around 70% throttle to hover but never any issues with maneuverability, recovery etc. I am using a 2200 3s 20-30c lipo. But I am...