Calculating Gear Ratios
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Staging Lane
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Join Date: Apr 2005
Location: Ont Canada
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Calculating Gear Ratios
Hey I'm a first year apprentice and i'm working on my project for my drivetrain course.
I have to calculate the gear ratios of a ford 5-speed transmission (truck tranny) I have figured out 1st-5th and now I have to figure out reverse. When calculating reverse do I have to figure in the ilder gear. I know the idler gear just changes the direction of rotation not the gear ratio. In my calculations I have to include the input drive and input driven ratio into the equation.The formula is of cousre driven over drive (driven/drive).
The number of teeth are:
Input drive=28
Input driven=45
Reverse drive=14
Reverse driven=44
Idler gear=29
Any help would be great.Thanks
I have to calculate the gear ratios of a ford 5-speed transmission (truck tranny) I have figured out 1st-5th and now I have to figure out reverse. When calculating reverse do I have to figure in the ilder gear. I know the idler gear just changes the direction of rotation not the gear ratio. In my calculations I have to include the input drive and input driven ratio into the equation.The formula is of cousre driven over drive (driven/drive).
The number of teeth are:
Input drive=28
Input driven=45
Reverse drive=14
Reverse driven=44
Idler gear=29
Any help would be great.Thanks