A/F ratio - mass or volume?

[Axel Rietschin]

----- Original Message -----
From: "Jeff Bromberger" <blownz at home.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, November 07, 2000 11:24 PM
Subject: A/F ratio - mass or volume?


>
> I'd like to turn a HP number into LB/MIN of air (for turbo sizing)... So
i'm
> taking HP, BSFC, AFR like this:
>
> 350hp * 0.55bsfc * 12:1afr / 60 (min per hour) = 38.5 lb/min of air...
>
> this is only true if the air:fuel is in terms of mass... is that how it is
> commonly defined?

yes.

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