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Re: exhaust exits

To: "John Beckett" <landspeedracer@email.msn.com>
Subject: Re: exhaust exits
From: "Ed Van Scoy" <edvs@uswest.net>
Date: Tue, 13 Feb 2001 20:00:06 -0700
Yeah, I guess if Keith keeps breaking his car I could tow him through the 5
........
Ed


John Beckett wrote:

> Damn nice trailer hitch too.
>
> JB
> ----- Original Message -----
> From: "Ed Van Scoy" <edvs@uswest.net>
> To: "Rick Byrnes" <rick@rbmotorsports.com>
> Cc: "paulblandavon" <paul.blandavon@btinternet.com>;
> <land-speed@autox.team.net>
> Sent: Tuesday, February 13, 2001 12:34 PM
> Subject: Re: exhaust exits
>
> > Paul, thought I would offer a graphical example of what Rick is talking
> about,
> > only applied to a V8. The image (click below) shows my 6" x 31/2"
> megaphone that
> > begins at the collector convergence point and extends rearward  43 inches.
> Great
> > tourqe, broader band, but if you look carefully you can see where I didn't
> do my
> > homework completely - the flame from the exhaust burned the rear "bumper"
> > honeycomb! Back to the drawing board here...........
> > http://albums.photopoint.com/j/View?u=1003326&a=7382870&p=40870943
> > Ed
> >
> >
> > Rick Byrnes wrote:
> >
> > > Paul, you/we won't affect the tuned length of exhaust if a large pipe is
> > > down stream of the collector convergence point, and the megaphone if
> used.
> > > I will be using a 4" pipe exiting at the rear of the lakester.  I don't
> > > believe that significant thrust is evident, but filling the vacuum left
> by
> > > the car with hot air has got to help.  I remember doing the math several
> > > years ago that showed me the exhaust volume of the 4 banger didn't even
> come
> > > close to the volume of air needed for my coupe.  Now, for a really small
> > > lakester/liner?????
> > > As several have said, It cant hurt.  The only down side I see is engine
> bay
> > > heat.
> > > Since I have taken the time to write, does anyone have experience with
> > > optical flame sensors.  I remember using them in the early 70's when I
> was
> > > involved with the Ford Gas turbine program, but till lately haven't
> given
> > > flame sensing a second thought.
> > >
> > > With a rear motor car, How do we know we are on fire or not?
> > > This could be a real problem.  I remember Chris' story about chasing
> cars
> > > down the salt.
> > > I don't want to invent something, but rather would like to find a system
> > > sitting on someone's shelf.
> > >
> > > Rick Byrnes
> > > We have enough youth...........How about a fountain of smart
> > > www.rbmotorsports.com

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