Best 40mm props for Power Whoops (2S): Gemfan vs HQprop vs BetaFPV vs LDARC vs HappyModel vs Feichao

Following my recent 31mm prop comparison for 1S Tiny Whoops, here is how 40mm props from HQprop, LDARC, Gemfan, BetaFPV, Happymodel and Feichao perform on 2S. The motors used were the BetaFPV 0802.8 12000KV, mounted on whoop ducts. I used a set of 2 motors on my thrust test rig to increase accuracy. For more information on the test setup, watch the introductory video here: I hope this helps you choose the right prop for your Power-Whoop! If you want to see tests for a specific