James,
Sorry about that .Yes that is speed at 1000 Rpm
Cheers
Feral Errol
mailto:[EMAIL PROTECTED]
http://www.datrats.com.au/
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of jamesf
Sent: Saturday, April 28, 2001 2:20 AM
To: [EMAIL PROTECTED]
Subject: Re: Speedo guru
Hi Errol
Of course you can but in.. thanks
Doesn't RPM work it's way in there somewhere too?
regards
JamesF
Errol Smith wrote:
> James,
> If I can just but in, the easy way to work out speeds in gears is to take
> the tyre circumference and multiply by 60. Then divide by the diff ratio.
> This gives the speed in 1:1 gear. For the rest of the gears divide by the
> gear ratio (ie 3.3, 2.0, 13 etc).
>
> Cheers
> Feral Errol
> mailto:[EMAIL PROTECTED]
> http://www.datrats.com.au/
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of jamesf
> Sent: Friday, April 27, 2001 8:58 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Speedo guru
>
> Hi Terry
>
> How you going? thanks for sorting out those
> unsubscriptions recently (well ages ago now :)
>
> I am just trying to work out the best tyre size
> for the race car...
> I had a bit of a search through old archives and
> it seems you may have just what I am after...
>
> I need to work out the combinations of wheels,
> final drive ratios, Max speed at RPM etc
>
> Can that spreadsheet you have help me out there??
>
> regards
> James
>
> Terry & Heather wrote:
>
> > Pete,
> > I can run that through my gearing spreadsheet but I'll have to dig up
how
> many
> > rev/mile the yokies do.
> >
> > terry (i'll be back)
> >
> > Peter and Trace wrote:
> >
> > > Hi all,
> > > My speedo is reading ~13% high ( checked against GPS) what
> speedo drive do
> > > I need? Datsun 1600, Z18ET 5 speed, 3.9 diff, 205/60 13" Yokie 352s.
> > > Thanks,
> > > Pete.
> >
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