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</html><thumbnail_url>https://i0.wp.com/www.levitronix.com/app/uploads/2024/03/Thumbnail-Learning-Video-Fan-Stall.png?fit=384%2C232&amp;ssl=1</thumbnail_url><thumbnail_width>384</thumbnail_width><thumbnail_height>232</thumbnail_height><description>Motor with outer rotor design are intrinsically prone to mechanical instability. Fans and compressors can stall (an aerodynamic instability phenomenon). Levitronix BFS are therefore susceptible to both. To maximize performance and uptime, it is important to understand sources and consequences of instability.</description></oembed>
