Gearing Spreadsheet

I've written a Excel spreadsheet that works out speeds in each gear depending on gear ratios, wheel sizes etc. It's nothing sophisticated and I'm sure that lots of people have written similar things but I thought it was worth sharing incase it's anyone finds it of use.

There are four sheets to the workbook, these are as follows:
 
This is the page that you input your tyre size gearbox etc.
Click here for more details
This chart shows speed/revs in each gear.
This shows all speed revs data.
This chart shows the rev range required through the gears.

Download the file here.

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