Most all of it....
Dave
Bryan Savage wrote:
>
> Let's see...
> Your going along at 99 lbs/min with water.
> The water stops, charge heats up and the flow starts drooping.
> As the flow decreases the pressure ratio goes up which increases
> manifold pressure.
> The increase in manifold pressure opens the BOV increasing flow
> and reducing the pressure ratio which decreases manifold pressure.
>
> Increasing manifold pressure opening a waste gate will reduce turbine RPM
> decreasing the pressure ratio.
>
> What am I overlooking ?
> Bryan (???)
>
> Dave Dahlgren wrote:
>
> >I don't think we are talking about the same 'surge' The one I am talking
>about
> >is internal aerodynamic surge from a large compressor at a high pressure
>ratio
> >and low flow rate. The BOV will save the engine but not the compressor...
>Surge
> >and backpressure are not the same in any way. I am talking about the
>compressor
> >side not the turbine. I still only have 75 lbs/min of cold air when I could
>of
> >had 99.. Persoanlly i see no power increase other than what might be attained
> >chemically and if I only have 75 lbs/min I can't add the fuel that 99 lbs/min
> >would have burned..Personally mileage is insgnificant compared to power..
> >
> >Not looking for answers I believe just counting pounds of air that I can add
> >pounds of fuel to and make my favorite recipe .. BTU's for everyone!!! Gotta
> >expand that nitrogen some how..
> >
> >Dave
> >
> >DrMayf wrote:
> >
> >
> >>Thoughts interspersed...for certain, I have achieved some success. Asking
> >>questions! Who knows, it may be all wrong. Don't just take anyone words for
> >>anything, research and get the answers you believe!
> >>
> >>
> >>
> >
> >
> >
> >>" Because you are using the smaller turbo that meets the 75lbm flow you
>don't
> >>have to worry about surge, If you do have surge (backpressure) then BOV."
> >>
> >>
> >>
> >
> >
> >
> >>>Dave Dahlgren
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