well you asked what is important. I consider esstial the
following with a * next to them in the list.
Dave
Daniel Wright wrote:
>
> Interesting
> do I understand correctly that you are logging 40+ channels of data?
> I have the Data Power book open on my desk, as it was written in '93 much
> of the specifics, particulary of digital io boards and software seems
> dated. I am sure that the theory is pertinant.
>
> >EGT all cylinders *
> >water temp *
> >oil temp *
> >air temp *
> >air box pressure *
> >throttle position *
> >rpm *
> >wheel speed all 4 *(1 front and 1 rear if rear end is locked)
> >air fuel ratio *
> >fuel pressure *
> >oil pressure *
> >boost *
> >turbo rpm
> >pressure drop across intercooler
> >temperature drop across intercooler
> >nitrous pressure *
> >suspension travel all 4 corners
> >acceleration 3 axis(+- 3 g's) *
> >strain gauge on transmission input shaft
> >rear end temp
> >fuel temp
> >baro
> >steering wheel angle
> >pitot tubes in various places on the car for aero study
> >
> >> What commonly recorded information is least useful?
> >all information is useful including that from other cars to
> >compare to.
> >not useful is the push truck drivers pulse, your wife's or
> >girlfriends anxiety level........
> >
> >> What sort of sensors and where are they being used?
> >various I have all sorts of sources and it depends on what
> >system you have
> >
> >> What info would you want to log on a 'liner vs a production class car?
> >all the same
> >
> >> What do you do with the info when you have it.
> >as a start...
> >read "Data Power: Using racecar data aquistion"
> >author Buddy Fey
> >Towery Publishing Co.
> >ISBN 1-88109-601-7
> >
> >> Which currently avaliable systems would one want to look at for a car
> >> currently under construction?
> >depends on the budget...
> >Racepac
> >Motec
> >Edelbrock Quick data
> >
> >
> >Dave Dahlgren
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