Comment by nights192

I understand the noise in the video is fairly unpleasant; however, others within the thread with more experience with the technology have testified that they are not, typically, perceived as this disruptive. (Whether due to the rotors straining less when not countering a raven/crow, or simply due to the frequency band of the phone microphone exacerbating the worst qualities of the sound.) Many express rancor about the very concept of delivered coffee--not merely the practicalities of it, and this is intriguing to me.