[s-cars] Sequential Turbocharging

[Richard Tanimura]

Hmmm, gotta think about that twist.

R


On 1/6/06, djdawson2 at aol.com <djdawson2 at aol.com> wrote:
>
>  Nope... turbo mounted directly on top of the blower inlet... early ones
> didn't even use an aftercooler.  The blower provides instant boost at low
> rpm.  As the turbo boost builds, it simply feeds higher pressures to the
> blower.  Typical measurements were 28psi from the turbo, and an additional
> 8-12 from the blower.  The result is a small engine with a great torque
> curve.
>
> These engines were also unique in that they were 2 strokes... with 4
> exhaust valves in the head.
>
> Dave
>
> -----Original Message-----
> From: Richard Tanimura <richard.tanimura at gmail.com>
> To: djdawson2 at aol.com <djdawson2 at aol.com>
> Cc: Strangconst at rogers.com; s-car-list at audifans.com
> Sent: Fri, 6 Jan 2006 18:14:28 +0100
> Subject: Re: [s-cars] Sequential Turbocharging
>
>   Dave,
> >
>
> I know you well enough to assume that you meant a blower feeding a turbo...right?
> Otherwise enlighten me cuz I can't see the principle.
>
> ....
> Detroit Deisel used a turbo feeding a blower on top of a V configuration
> engine from WW2 until very recently.  No special vng, and it worked quite
> well... serving duty in arena where the competition was using engines of
> much larger displacement to do the same job.
>
> >  ...
> >
>
> Richard
>
> PS - There is still Trevor and Mike.
>
>