If you’ve ever flown or watched anyone fly a racing drone for any length of time, you know that crashes are just part of the game and propellers are consumables. [Adam] knows this all to well, decided ...
Models R354, R375, R389, and R390 propellers (Docket No. 2000-NE-18-AD) - proposes to require a one-time inspection of the hub joint mating surfaces for fretting. This proposal is prompted by reports ...