the-BA : The need for speed

The fastest one-mile land speed record, in a car, is 763 miles per hour. That’s quick! The record was set by Andy Green in Thrust SSC (Super Sonic Car) in the Black Rock Desert, Nevada, USA on October 15, 1997. The car’s one-mile run was – obviously – over in seconds, yet it took six-years to design and build the lightning-quick car. I wonder if they bothered fitting a speedometer?

Have you ever wondered how a speedometer works?

You might like to …

• devise a way of testing speedometers
• devise a way of measuring traffic speed without using radar
• design a speedometer for pedestrians or cyclists to use
• compare the accuracy of different pedometers.

Further links:
http://www.thrustssc.com/

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