Csaba Halász

> 
> On Tue, Jan 27, 2009 at 3:44 AM, Ron Jensen <w...@jentronics.com> wrote:
> >
> > A simple onespeed supercharger example is shown below:
> >  <numboostspeeds> 1   </numboostspeeds>
> >  <ratedboost1>    8.15</ratedboost1> <!-- 46.5 inHg -->
> >  <ratedpower1> 1900   </ratedpower1> <!-- Horsepower -->
> >  <ratedrpm1>   2600   </ratedrpm1>
> >  <ratedaltitude1> 0 </ratedaltitude1>
> 
> >From an xml standpoint, all those 1s look horrible (I mean
> ratedboost1, ratedpower1, etc).
> Is it too late to do away with them?
> I would suggest something like:
> 
> <supercharger>
>     <stage>
>         <boost>8.15</boost>
>         <power>1900</power>
>         <rpm>2600</rpm>
>         <altitude>0</altitude>
>     </stage>
>     <stage>
>         <!-- stage #2 here -->
>     </stage>
> </supercharger>
> 
> I am saying this without any knowledge of the existing conventions and
> compatibility issues, so feel free to ignore it :)
> 

You are conflating 2 issues here: a 2 speed supercharger is _not_ the same
thing as a 2 stage supercharger. 2 speeds means that there is a gear change
mechanism with makes the supercharger spin at different speeds relative to
the engine rpm. 2 stage means that there are 2 compressors (stages) in
series - the output of the first is the input of the second. A supercharger
can be any combination of stages and speeds, and not limited to just 2: 3
stages/speeds were built.

Vivian



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