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The connection with F1 has to do more with branding than any technical aspect of the cars.\n\nIn real F1 cars, you need loads of downforce to allow fast cornering speeds. Furthermore, friction/grip between the wheels and the ground is critical because real F1 cars get their propulsion from their wheels, and also need to slow down under braking. All this also requires a lot of downforce, otherwise you get wheelspin or the wheels may lock up under braking. And a lot of downforce=a lot of drag.\n\nIt is completely different in F1 in schools cars.\n\nF1 in schools cars travel purely in a straight line down a 20 meter track. You want minimum drag and minimum downforce. The greater the downforce, the greater the frictional forces between wheels and track, and the slower the car. F1 in schools cars get their propulsion not from their wheels, but from the egress of high pressure carbon dioxide from a canister-ie it is ‘rocket powered’. F1 in schools cars are constrained to travel in a straight line by being tethered to the track with a nylon string.\n\nThe F1 in schools race can be thought of (like any other CO2 dragster race) as occurring in 2 phases:\n\nAcceleration phase (CO2 egress in progress)\nCoasting phase (CO2 used up)-car at maximum speed and starting to slow down\nTo maximise the effects of the propulsive force and garner the greatest acceleration (and achieve the highest speed), you want to have the lightest possible car and minimise the predominant drag forces in that phase. The predominant drag forces at the beginning will be those that occur at lower speeds and include wheel drag and tether line frictional forces. These can be minimised by minimising rotational frictional forces with bearings and minimising rotational inertia with wheels that are as light as possible. The wheels should be well aligned to avoid inducing yaw tendencies, which would cause the tether line to rub against the guide holes. 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