Prandtl's rotatable disk

Function and Applications

To demonstrate conservation of angular momentum.

Equipment and technical data

• Rotating stool fitted on axle over a ball bearing.
• Low friction rotation even under high load.
• On massive five-foot base.
• Diameter of wooden seat: approx. 35 cm;.
• Height:approx. 65 cm.
• Mass: approx. 17 kg.