If you are in the process of designing a large drone/ eVTOL, here are a couple resources you can use to find the right motor/ propeller
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Motor database: https://database.tytorobotics.com/?utm_source=youtube.com&utm_medium=social&utm_campaign=how-to-find-a-large-motor-video
Large Motor Article/ List: https://www.tytorobotics.com/blogs/articles/brushless-motor-manufacturers-for-evtol-and-aviation?utm_source=youtube.com&utm_medium=social&utm_campaign=how-to-find-a-large-motor-video