0 280 150 215 flow rate

[Tony Cooper]

Bruce Plecan wrote:

> Subject: Re: 0 280 150 215 flow rate
>
> >this should flow 250 cc if you jack the pressure to 50psi from 37
> >
> >OK, but is an increase such as this (about 30%) likely to adversely affect
> >the operation of the injector ??
>
> Over on another list there was some actual testing done along these
> lines, and they went to 100PSI with the output predicted with the
> "standard" formula ie (off the top of my head) the square root of
> P1/P2.
>   Also the F1 group supposedly runs 5-7 bar.
> I would imagine two problems at these pressures, injector seat wear,
> and needing to maintain 85% PWM.  I forget the frequency they used
> in above testing, but I think they also maintained the 85% figure.
> HTH
> Bruce  nacelp at bright.net

Hi Bruce,

Would it be possible to verify the formulie SQRT(P1/P2) please ????

Also, where is the 'other' group that you quote???

Thanks in advance
Tony


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