EXCEED May/June 2018 Vol 35 No:3 | Page 22

Finally, we have a picture of the car at 60km with 40PSI in the tyre. As you can see, 80km an hour was an optimal speed at 40 PSI. Through the tests, 80km preformed really well however once the tyre pressures were below 35 PSI 60km became very comparable. The picture on the right is of 30 PSI at 80km the left is 30 PSI at 60km.