2B30.50 Lift a Stool


Air pressure


The stool is lifted by the rubber sheet.



  • [1] Rubber sheet with handle
  • [1] Stool

Important Notes

  • Do not rotate the handle in the plane of the sheet. The nut holding the demo together can detach.


  1. Place the rubber sheet on the stool.
  2. Using the handle on the rubber sheet, lift the stool.
  3. Lift the corner of the rubber sheet to remove it from the stool.


Additional Resources


  • PIRA 2B30.50


  • Don't attempt this at home!

Last revised

  • 2020


  • Be sure to choose a stool with a small depression in the middle for optimal performance
  • The dimension of the rubber sheet is
    1' x 1' x 1/4"
  • Original construction: purchased

Related AV

Related demos

  • Crush the Can with Vacuum


If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.