Ideas & society2022 · shared on Hacker News
Toroidal propeller allows a drone to operate more quietly [pdf]
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Yflybrand ·
Sharrow MX-1: Tipless propeller (2020)
44 points10 comments
YFoivos ·
DJI announces the sub-250 gram drone mini 4 pro
14 points7 comments
Ylxm ·
Toroidal propeller allows a drone to operate more quietly [pdf]
2 points0 comments
Yjulienreszka ·
Ask HN: Is anybody working on active noise cancelling of drone propellers?
1 points0 comments