John, list,
Bob Norwood, Tom Stephens driving, set two H class records at Speedweek
2000.
H/BGT @ 197 & H/BMS @ 205 - I'm not too sure the roarty guys will want to
race against those records either.
Dan W
----- Original Message -----
From: John Beckett <landspeedracer@email.msn.com>
To: Richard Fox <v4gr@rcn.com>; <land-speed@autox.team.net>
Sent: Saturday, January 06, 2001 5:58 AM
Subject: Re: Two strokes
> Rich
>
> Sorry, but that doesn't make any sense to me. On the one hand your
> saying we run 2-cycles heads up no factors and that's OK, but on the other
> hand you want to factor rotaries times three!! I guess I'm not be the
> sharpest tool in the
> shed so I gotta ask why?
>
> If I understand Mazda correctly and you measure swept volume as you
> suggested you come up with 1308cc for the current complete two rotor
engine
> not 3924cc. That's the equivalent of taking a 500cc 2 stroke and making it
> run with 1,500cc 4 strokes. We don't do that to two strokes, so why do we
do
> it to Rotaries?
>
> So lets not factor a rotary at all. No special class, no factors, just
> heads up racing. Of course than the H class guys would hate it.
>
> Undoubtedly this discussion will go on until 2002 rules are adopted.
>
> John Beckett
>
>
> ----- Original Message -----
> From: "Richard Fox" <v4gr@rcn.com>
> To: <land-speed@autox.team.net>
> Sent: Friday, January 05, 2001 5:32 PM
> Subject: Fw: Two strokes
>
>
> > -----Original Message-----
> > From: Richard Fox <v4gr@rcn.com>
> >
> > Date: Friday, January 05, 2001 12:17 PM
> > Subject: Two strokes
> >
> >
> > Dale; What I would like to know is where did the idea that two strokes
are
> > measured or classified differently than Four strokes come from. Its bore
> and
> > stroke and thats it. A 300 inch 2 stroke is an E motor same as a 300
inch
> 4
> > stroke. Also, displacement is measured by comparing the volume of a
> container
> > (usually a cylinder but not always) that has at least one movable side,
at
> > it's greatest volume and its least volume. The difference is the
> displacement.
> > My Nissan V6 has three of these containers on each side. Since they are
> all
> > the same we measure one and multiply by 6. A two rotor Wankel has 3
> cavities
> > per rotor. If you take the difference between the volume of one cavity
at
> its
> > greatest and its smallest, that will give you the displacement of that
> cavity.
> > If you multiply that times the number of cavities (X3 per rotor) you
will
> have
> > the displacement of the engine. I have never heard and calculation that
> > included number of revolutions of the output (crank in an Otto cycle)
> shaft in
> > the calculations. Except from Dave. I do not believe Wankels are
> > improperly classed. Rich Fox
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