School of Physics Lecture Demonstration Manual

Fc-3 The parallel plate paradox

Published: Monday 13 March 2006 - Updated: Tuesday 29 March 2011

Aim

To Demonstrate how airflow can create lift.

Apparatus

Diagrams

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Parallel Plate Paradox

Parallel Plate Diagram

Videos

Parallel Plate Paradox

Description

The hose from the air supply is connected to the flange which is passed over a circular piece of cardboard. This is subsequently lifted off the table. It is advisable to show that the vacuum cleaner is actually blowing by attaching some streamers to its outlet.

Safety notes

Electrical safety 

Maintenance 

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