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The Greenpower Masterclass

Learn how to design, build, and race a single-seat electric powered race car in the Greenpower Challenge, the best technology competition for schools in the UK. Join the IET Formula Goblin for ages 9-11, IET Formula 24 for endurance racing, and IET Formula 24+ for 6th Form students, universities, and apprentices. Get insights from past and present National Champions and discover the science, engineering, and race tactics behind a winning car. Engage students in engineering and promote a career path in this innovative field.

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The Greenpower Masterclass

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  1. The Greenpower Masterclass How to Engineer a Race Winning Electric Car in the Greenpower Challenge

  2. The Greenpower Challenge The Greenpower Challenge has been described as “the best technology competition for schools in the UK”. The unique hands on engineering challenge is for children and young people from 9-25 to design, build and race a single seat electric powered race car. The challenge is divided into three age categories:

  3. IET Formula Goblin For 9-11 Year olds the challenge is to build a Goblin Kit Car, design and build sustainable bodywork and compete in a series of challenges; drag, slalom and sprint.

  4. IET Formula 24 The IET F24 Greenpower Challenge is to build the single seat electric car that travels furthest over a four hour endurance race on 3 pairs of 12 volt batteries.

  5. IET Formula 24+ For 6th Form students, universities and apprentices, the F24+ challenge is a shorter, faster race than F24 with a “constructor’s championship running through the season. This challenge has attracted teams from Jaguar Land Rover, Bentley , Peugeot Citroen, Eton College, and of course, Chipping Sodbury School!

  6. The F24 Challenge With all teams using the same power supply and motor and stringent design/safety regulations in place the challenge faced by teams is how to engineer a 4 hour endurance race winning car within these restrictions.

  7. Making The Difference We have with us today some of our top competitors including past and present National Champions who are willing to share some of their knowledge in building a race winning car.

  8. Science and building a car The basics (6 mins) 5 x slides basic science (Aerodynamic, Rolling drag, motor force) KISS, reliability, safety etc Dave

  9. Rolling resistance, drive and gearing 5 x slides Rolling resistance, drive and gearing Wheel geometry & steering Matthew

  10. Aerodynamics 5 x slides Aerodynamic drags with VWT pictures and Wind Tunnel pictures Gareth

  11. Electronics Electronics is not necessary for a winning car However, using Electronics can add an edge and make racing performance consistent Uses include: Data gathering, energy management, problem handling, driver and pit crew information

  12. Electronics: Data Logging

  13. Electronics: Data Logging Electronics Dan

  14. Team work and Race Tactics Race Tactics, team work, preparation, battery charging (6 mins) 4 x slides King Edwards

  15. Conclusions: This presentation covered the main aspects in designing, developing and racing a winning Greenpower car KISS: Its got to finish the race to win ! Remember: The challenge is to involve students in engineering to promote this career path. Students need as much involvement in the car development as possible. The rules define the challenge.

  16. Conclusions: Some cars

  17. Conclusions: What can be acheived A Greenpower car can use an average of 400 Watts of electrical energy during a 4 hour race. An efficient Greenpower car can average about 30 MPH with this level of power and thus travel 120 miles or more. In electrical terms travelling 120 miles would cost about 20p in electricity. In terms of MPG of petrol this would be about 3000 MPG !

  18. Conclusions: At the races

  19. Conclusions: Getting involved Greenpower teams are made up of students with teachers, parents and other helpers. As well as engineering, there is team work, funding, presentations etc. Engineers from industry can be a great help, providing an engineering background. But engineers, try and keep your hands behind your back !

  20. Any questions ? Greenpower is a unique engineering challenge for the engineers of tomorrow Any questions to any of the presenters ?

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