For the most part, propell- ers do their work without complaint. We count on them to work flawlessly each and every time we fly,
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aerodynamics - Would connecting propeller blades with a continuous ring reduce induced drag? - Aviation Stack Exchange
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File:Propeller tip vortices being generated by P-40N1 Warhawk VH-ZOC at Temora.jpg - Wikimedia Commons
![JMSE | Free Full-Text | Suppression of Tip Vortex Cavitation Noise of Propellers using PressurePoresTM Technology JMSE | Free Full-Text | Suppression of Tip Vortex Cavitation Noise of Propellers using PressurePoresTM Technology](https://www.mdpi.com/jmse/jmse-08-00158/article_deploy/html/images/jmse-08-00158-g024.png)