[Diy_efi] BHP calculations

[Bruce]

What about the humidity?.
Variances in the gravitation pull of the earth?.
Beginning and ending lat, long for calculating the curvature of the earth?.
Difference in weight for fuel used during the *event*.
Reduction in tire diameter for tire wear.
Increase in tire diameter due to heat, as applicable.
Variances in ambient O2
etc.
Bruce


----- Original Message ----- 
From: "Bernd Felsche" <bernie at innovative.iinet.net.au>
To: <diy_efi at diy-efi.org>
Sent: Monday, July 29, 2002 9:07 PM
Subject: Re: [Diy_efi] BHP calculations


> Hugh Keir tapped away at the keyboard with:
> 
> > I am working on a spreadsheet to calculate BHP from datalogged
> > information.
> > 
> > The basic formula I am working to is:
> > 
> > Engine BHP = acceleration BHP + wind drag BHP + transmission loss BHP.
> 
> Don't forget about rolling resistance.
> 
> -- 
> /"\ Bernd Felsche - Innovative Reckoning, Perth, Western Australia
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