DIY_EFI Digest V4 #572

[rr]

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>
> Date: Mon, 11 Oct 1999 00:50:01 +1000
> From: Phil Lamovie
> Subject: Re:Up Up and Away
>
> <snip>
>
> There is absolutely no need to calculate the mass of the atmosphere on
> Earth and then divide that by the ratio of volume of inlet manifold.
> Though it would work.
>
> Please note the total lack of Patents for Altitude correction of
> aircraft fuel injection computers. Also total lack of altitude sensors
> on all Ford and GM vehicles. I suppose they don't have mountains in
> the
> USA.
>
Don't know about the altitude stuff, but GM does use the map sensor for baro
correction
due to elevations changes, some even have a second map sensor dedicated for baro
readings.
('85 Buick Regal, non-turbo)

BobR

> My company has also supplied ECUs for Aircraft that have flown from
> England to Australia, film is available from National Geographic.
> I promise they were all fitted with absolute sensors. The engine were
> all dynoed on a thirty foot tower (they had very big props about 33
> feet
> span) 650 hp at sea level)) and then flew half way around the world.
>
> Hope the simplicity of it is not too hard to fathom.
>
> Phil
>
> Injec Racing Developments
>
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