Aerochargers are better than a twin screw!! hahaha ;-)

[Programmer]

B&M's 144 takes 35-45HP to make 45HP. Kinda makes you wonder...

Lyndon.
----- Original Message -----
From: Jess Gypin <jessmx5 at earthlink.net>
To: <diy_efi at diy-efi.org>
Sent: October 19, 2001 7:52 PM
Subject: Re: Aerochargers are better than a twin screw!! hahaha ;-)


> And suck 10-15 hp from the engine in parasitic loss to drive the blower.
>
> Jess
> ----- Original Message -----
> From: "Stephen Andersen" <SAndersen at advan-tek.com>
> To: <diy_efi at diy-efi.org>
> Sent: Sunday, October 14, 2001 18:31 PM
> Subject: RE: Aerochargers are better than a twin screw!! hahaha ;-)
>
>
> > The boost curve for the Positive Displacement SC
> > on aerocharger's web site is about as far from a
> > "fact" as you can get.  When sized and "geared"
> > properly for a give displacement engine, a PD
> > supercharger will provide within about 10-15% of
> > peak boost given WOT at somewhere just off idle.
> >
> > The twin screw compressors have extremely high
> > volumetric efficiencies and don't need to be spinning
> > very fast to generate boost.
> >
> > Aerocharger's site indicates that the boost curve
> > is linear and starts at or near zero.  Way off base...
> >
> > Steve
> >
> > Stephen M. Andersen, P.E.                              (302) 326-6405
> > Technical Director                                    FAX  (302)
326-6401
> > AdvanTek International, LLC                     Cell   (302) 547-9842
> > 56 Read's Way                               andersen at Advan-Tek.com
> > New Castle, DE 19720
> >
> >
> > > -----Original Message-----
> > > From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
> > > Behalf Of Greg Hermann
> > > Sent: Sunday, October 14, 2001 8:36 PM
> > > To: diy_efi at diy-efi.org
> > > Subject: Re: Aerochargers are better than a twin screw!! hahaha ;-)
> > >
> > >
> > > At 7:15 PM 10/13/01, Nicholas Parker wrote:
> > > > What a load of crap at http://www.aerocharger.com/tech1.htm
> > > >My little ol' 1600cc  MR2 with its cruddy 'two-lobe' Rootes
> > > SC makes 10psi
> > > >at 3000revs when max is only around 11.5 (by drive
> > > ratio...),  even the
> > > >turbo boost curve is not very fair to turbo-heads!!  Who
> > > ever drew those
> > > >graphs has probably got holes drilled through his SC lobes
> > > and in hs turbo
> > > >compressor housing!!
> > > >Nick.
> > >
> > > Whatever makes you happy. Don't let facts confuse you!
> > >
> > > Greg
> > >
> > >
> > > --------------------------------------------------------------
> > > --------------
> > > To unsubscribe from diy_efi, send "unsubscribe diy_efi"
> > > (without the quotes)
> > > in the body of a message (not the subject) to
> > > majordomo at lists.diy-efi.org
> > >
>
> --------------------------------------------------------------------------
> --
> > To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the
> quotes)
> > in the body of a message (not the subject) to
majordomo at lists.diy-efi.org
> >
> >
>
> --------------------------------------------------------------------------
--
> To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the
quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
>

----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org