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based off of these rough calculations,
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A four-inch increase in waist-to-head height (going from 5’8” to 6', for example) will result in approximately a 5% increase in drag force. This will be more noticeable if we decrease the car's overall width of the car.
There is also a minimum waist to height of around 42cm (driver eyes must be over 700mm from ground).
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The longer the waist-to-foot distance, the longer (or taller) the occupant cell of the chassis will have to be. Not accounting extra supports this would entail, it would cost about 700g 860g per 10cm of length.
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Shoulder Width
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The car is almost guaranteed to be less optimal if it is built for taller, wider people. That being said, we are a relatively tall team and a chassis made to accommodate 6” drivers will accommodate for almost everyone on the team. If members are more motivated to work on the car if they can drive it, accommodating them could benefit the team in the long run. It should be noted that there is tolerance built into occupancy cell, so basically everyone would be able to test drive the car if it was designed for a 5'8 5’9 driver, they just wouldn’t pass regs.
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