Chevrolet Streamlines. A 1936 film

ChevroletStreamlines1936

The video Streamlines by Chevrolet is a well-worth watching. In it you will learn about wind tunnel testing and also view an interesting demonstration of a device that uses a liquid and aluminum powder to show the effect different shapes have on streamlining.

https://www.youtube.com/watch?v=tsvkSmtFDzs