Data Logging

[Doug Robson]

David Crocombe wrote:
> 
> >> If the engine is in a car, all you need is a stopwatch, a tach, a tape
> >> recorder, and a hill.
> 
> > Why not use some kind of data logger connected to the tachometer (or
> > speedometer),
> > a spreadsheet program and  a straight road? Out of this info, you would
> > easily be able to calculate the power with a good enough precision.
> > Anyone who has tried to build such a logger?
> 
> >    /Jonas
> 
> One of my long term aims is to produce an engine data logging system.
> I am at the early learning stages at the moment.
> 
> I thought by reading this list I would pick up some ideas.
> 
> So I would measure the same things as EFI systems, only log the results
> instead of using it to do EFI. I am thinking of using an accelerometer
> as well.
> 
> Another interest is to add to the above system a control for nitrous
> oxide injection.
> 
> Not quite the normal EFI, but EFI none the less.
> 
> Regards,
> 
> David Crocombe.
> Sydney,
> Australia.
quite often efi systems have codes to send info around the circuit.
Between Fred Miranda and I we wrote a basic data logger for the Autronic
SMC. Ifd you had ony specs about request codes it would not be hard to
do.

regards
-- 
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