Dave, Mayf, & Dick;
I haven't bought it yet; I tried a borrowed copy to see if it looked any
good at all. I'm afraid Ricardo is over my head and budget but some of the
others may not be.
One thing I see is that if I use an "individual runner" manifold to
approximate a stack injection system the choice of CFM values look all
wrong. The only thing that seems to make lots of High RPM horsepower with
Dyno 2003 is a tunnel ram manifold.
I'm still playing with it. (the SOFTWARE, guys!!!)
Regards, Neil Tucson, AZ
-----Original Message-----
From: Dave Dahlgren [mailto:ddahlgren@snet.net]
Sent: Friday, April 11, 2008 1:58 PM
To: neil@dbelltech.com; 'Jon Wennerberg'; 'Land SpeedDigest'
Subject: Re: [Land-speed] Landracing.com & Engine Analyzer Software
Well Neil what did you pay for it???
I used a long while back a program I think called dynomation and it was
pretty good gave pressure volume graphs and wanted to know everything about
the engine. funny I don't think any of them ask about the oiling system and
there is a lot there. Wet sump vs. 5 stage dry sump is a big deal all on
it's own..
Now the current stuff is the Ricardo software though you may want to rent
some time on it rather than buy it. Personally I wish the Fluent CFD package
for cylinder heads would come down a little bit and I might be a player for
it. I already have a solid modeling package so it would basically be a take
the model and have Fluent blow some air through it and tell me the bad or
good news..
Dave
Subject: [Land-speed] Landracing.com & Engine Analyzer Software
>
> BTW; has anyone ever used one of those engine simulation programs? What
> did
> you think of them? Are they worthwhile at all?
>
> I tried "Dyno 2003" and the results looked flakey. I hadn't expected very
> accurate results but the fact that the header pipe lengths aren't factored
> in and that every time the cam timing is retarded the HP increases but
> advancing the cam timing does nothing at all makes me suspicious that much
> of what is supposed to be analyzed by the software really is not taken
> into
> consideration.
>
> Dave, I think I know what your answer is going to be.....
>
> Regards, Neil Tucson, AZ
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