intake plenum size?

[bill.shurvinton at nokia.com]

 Try visiting www.sdsefi.com They have instructions how to build a plenum
for a rotary, but no sums on best size.

Bill

-----Original Message-----
From: ext peter bengtsson
To: diy_efi at diy-efi.org
Sent: 7/3/01 1:31 PM
Subject: Re: intake plenum size?


What`s an IR ?
I`m sorry about my bad english.

That peak definition i already know about. Is there however possible to 
design the plenum size to make the engines tourquepeak at a "specific"
rpm?

Peter


>From: "Bruce" <nacelp at bright.net>
>Reply-To: diy_efi at diy-efi.org
>To: <diy_efi at diy-efi.org>
>Subject: Re: intake plenum size?
>Date: Tue, 3 Jul 2001 07:31:07 -0400
>
>
>All the hotrod rotaries I've ever seen have used a IR for manifolding,
It's
>the best set up there is and easy to apply to a rotary.
>The peak rpm of a rotary is defined by the depth of your wallet.
>Bruce
>
>
>
>From: "peter bengtsson" <peterbeng at hotmail.com>
>Subject: Re: intake plenum size?
> > Is there anyone with any experince from wankel engines?
> > I`ve heard that bigger plenuns makes the engin peak at higher rpm`s
and
> > smaller at lower.
> > I`ve got an mazda 12a engine (1.2liters), any ideas in what rpm my 
>engine
> > would peak with a 1.2 liter plenum?
> > Peter
>
> > >From: "Bruce" nacelp at bright.net
> > >Subject: Re: intake plenum size?
> > >   More then one cylinder, and not Individual Runners, you'll have
a
> > >plenum.
> > >Carb'd engines can have a plenum.
> > >   Hi performance engines about follow that, thou some folks are
having
> > >luck
> > >with plenums much larger then that.
> > >Bruce
> > >
> > >From: "Ian Weaver" <ijweaver at adam.com.au>
> > >Subject: Re: intake plenum size?
> > > > The volume of a plenum chamber is normally the same as engine
volume
> > > > ie: 3lt engine = 3lt chamber.
> > > > Plenum chambers are normally associatedwith injected engines.
> > > > Ian
>
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