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Does Ball Speed Increase the Effect of Spin?

CSEF · 2002 Aerodynamics/ Hydrodynamics

Thomas Keiffer · Muirlands Middle School, La Jolla

Overview

Objectives/Goals To determin if the speed that a ball is traveling will increase or decrease the effect of spin. Methods/Materials I hace constructed a wind tunnel that I have used to blow high speed winds past a spinning ball. During this process I have recorded the data to see if I have proven my hypothesis correct. Results Results showed that the greater the spin the greater the effect on the movement of the ball. Conclusions/Discussion Increasing ball speed will increase the effect of spin on the ball. The greater the speed, the greater the spin. When spinning with top-spin at 5mph, the average degrees of movement was 16.2 at 30 mph the average was 23.2 degrees and the average at 60 mph was 26.5 degrees.

Summary statement

Understanding windspeed effects on ball spin

Help received

father hepled build wind tunnel

Competition history

  • CSEF 2002 Aerodynamics/ Hydrodynamics · Entry J0115

Resources

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