In cylinder pressure measurement

[Greg Hermann]

>Has anyone ever heard of anybody doing this? I was talking with someone
>about data acquisition systems and the subject came up while we were
>discussing methods of knock detection. I'm not to enthusiastic about being
>able to monitor A/F ratios accurately or in realtime, and our conversation
>kinda stuck with me.
>
>If anyone's ever seen or heard about somebody performing in cylinder
>pressure measurements I'd love to hear about it. I imagine the transducers
>would have to be pretty tough, how would they mount? What kind of sample
>rate do you think would be needed? Best of all, who would make a sensor that
>could take the abuse???

I have heard rumors that fiber optic technology based pressure transducers
capable of doing real time, in chamber pressure measurement, and for a
reasonable (production plausible) cost, are in the very near future. I have
not got any vendor info on them, yet.

Regards, Greg>
>
>
>Charles Brooks