Ed Schafer wrote:
>
> Hello all,
>
> I have recently had to decide what gearing to choose for my gear box (close
> or wide) and differential (2.88, 3.07, 3.31, 3.54 or 3.73) for my Tiger.
> In order to better visualize the speed (mph) in each gear at a particular
> rpm, I put together a spread sheet.
>
> The spread sheet was developed using Microsoft Excel 7.0a for
> Win95. There are two sheets (tabs at bottom of spread sheet), one for
> close ratio and one for wide ratio gear boxes. You need to enter the
> circumference of your rear tire at the top of either sheet for the data to
> be valid for your car. I included a calculator at the bottom of each sheet
> to determine your circumference based on your tire size (e.g. 205/60R13).
>
> The gear ratios used for the close and wide ratio gear boxes are as
> follows:
>
> Gear Close Wide
> 4 1.00:1 1.00:1
> 3 1.29:1 1.36:1
> 2 1.69:1 1.93:1
> 1 2.32:1 2.78:1
>
> Usual disclaimer: I believe all the formulas are correct but you may want
> to check a random example by hand to convince yourself its correct. Please
> let me know if you find any errors.
>
> If anyone would like this spreadsheet, just let me know and I'll E-mail it
> to you as a 37k attachment file.
>
> Regards,
>
> Ed Schafer
> What did Boeing have for lunch last Sunday?....A Big MAC DAC
> If it ain't Boeing....I still ain't goin...
Love them data, Ed.
Attach on, please.
PS Isn't that Boeing deal creating a monopoly? I am thinking that the
Feds will not allow it. Comments?
--
Rick Hoefle 1964 Tiger B9470508 - HIS
1969 MGC - HERS
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