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oldcorollas
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Kita-Ku, Sapporo, Japan
Registered:
January 2003

Re: SERIES Twincharging...

Tue, 23 August 2005 14:14

feral4mr2 wrote on Wed, 24 August 2005 00:00

this topic is old, Mods please delete.

LOL, get over it Razz

so anyway, Berad sent me this... which is similar to Bretts idea and sounds like the nissan march idea..

http://i2.photobucket.com/albums/y19/beradg/twincharge1.jpg

the beauty of this idea is that... the SC produces whatever pressure in the manifold it can... then as the turbo spools up, the intake pressure of the SC increases, which increases the manifold pressure more (and generates more SC heat..), you can stop the pressure increase happening by bleeding air back around the SC i guess...

so anyway, at some point the turbo will be producing the same pressure at it:s outlet that you want the SC to be making, and ths manifold pressure is still regulated by the bypass valve... at this point the SC is effectively free-wheeling, since the input and output pressure are the same.... and if the in and out pressure are the same, then the SC, although not havign much mechanical loss, could effectively be turned of, since it is just "spinning in the breeze" as it were...

by turning it of suddenly, you will have a sudden increase in air volume thru the bypass (or main as it should be called) pasage, but it will not be so bad, since the turbo was movign any air going thru the SC anyway...

the turbo should still spin up quickly as the SC is making heaps of exhaust gases, and so it should have the benefits of going parallel, with a fair amount of simplicity, but with the only downside of increasing SC temps from the turbo outlet/ higher SC outlet pressure perhaps....

if i wanted to series charge, i'd probably do it this way...

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