Building the World’s Lightest Brushless Whoop

How light can a brushless whoop be, and what would it take to build one? Let’s find out! Build details, links, and PID tune below... Parts: - BetaFPV F4 1S AIO FC v2: - BWHOOP65 Frame: - RacerStar 0603 16,000KV motor: - Better motors you might want instead: - Gemfan 31mm 4-blade Props: - The camera/vtx I actually used: - The newer camera I mentioned: -