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Build a 15,000 rpm Tesla Turbine using hard drive platters

Step 5Rotor assembly

Rotor assembly

Center the platters, spacers, and collars on the shaft and tighten the set screws to hold everything together. I used 11 platters, and 10 spacers. Try to line up all of the ventilation ports. If there isn't enough tension between the two collars, the platters can rotate around the shaft instead of with it.

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I have B.S. degrees in both Physics and Electrical Engineering. I do Lecture Demonstrations for the University of Washington Department of Physics. I don't check my messages here so please email me ...