- #1
jacko88
- 1
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hi, at uni there's a track about 6 or 7 metres long, and we have been assigned a task to create a car that has the fastest time possible. I have found these equations...
mph = (rpm x tire diameter) / (gear ratio x 336)
rpm = (mph x gear ratio x 336) / tire daimeter
gear ratio = (rpm x tire diameter) / (mph x 336)
obviously if the track was 200m long, the gear ratio would have to be geared up for speed, and on a 2m track the car would needs a lot of acceleration, but how can i use a forumula to create the perfect gear ratio? I realize that gear ratio = (rpm x tire diameter) / (mph x 336) would work, but how do i find the maximum mph? please help
mph = (rpm x tire diameter) / (gear ratio x 336)
rpm = (mph x gear ratio x 336) / tire daimeter
gear ratio = (rpm x tire diameter) / (mph x 336)
obviously if the track was 200m long, the gear ratio would have to be geared up for speed, and on a 2m track the car would needs a lot of acceleration, but how can i use a forumula to create the perfect gear ratio? I realize that gear ratio = (rpm x tire diameter) / (mph x 336) would work, but how do i find the maximum mph? please help