Flight between Zhongshan and megacity of Shenzhen takes around 45 minutes and costs 40 yuan (US$5.60) per order, according to UAV-maker Phoenix Wings, which is backed by Chinese logistics giant SF Express.
turns out that problem got figured out and you can make propellers that are basically silent https://dronexl.co/2023/05/04/how-do-zipline-silent-propellers-work/
This is one of my nightmares, actually. The quiet sounds of nature drowned out by incessant buzzing overhead so some shithead can get airdropped sushi
turns out that problem got figured out and you can make propellers that are basically silent https://dronexl.co/2023/05/04/how-do-zipline-silent-propellers-work/