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FE Technical Forum / Re: 390 shakes at 1000 rpm – 1500 rpm – 2000 rpm, runs smoothly at 3000-3500 rpm.
« on: January 28, 2021, 11:16:45 AM »
Harmonic signature in tire? ( I build tires for a living ) It could be as simple as radial force variation in the tire, which is basically the roundness of a tire and the different stiffness the joints create.