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jimmy

22-01-2007 01:51 PM

internal ratios / gear ratios

Someone gave me a gearchart for the 501X and I wondered how do you work out the internal ratio for a car ?

I mean, any car. on a bj4 for example, is it the diff gear divided by the gearbox pinion ?

Richard Lowe

22-01-2007 02:04 PM

Yep :)

DCM	22-01-2007 02:14 PM

internal ratio is diff gear/pulley gear, that gives you a number (36/16=2.25)

To find the overal ration you do

(Spur/Pinio)*internal ratio=FDR (remember BODMAS from kiddies maths)

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