Yes the FIA does make different classes from 2 and 4 stroke
Jon
John Beckett wrote:
> Joe
>
> The ECTA 2-cycle, 4-cycle classification structure was put in place because
> that's what the scooter guys wanted. It's obviously doubles my data base of
> records and makes extra work for me. My best guess is that about 95% of all
> the records set are 4-cycle anyway. But the racers are happy and if works
> for us.
>
> Does the FIM make any distinction between the two?
>
> JB
>
> ----- Original Message -----
> From: "Joe Amo" <jkamo@rapidnet.com>
> To: "Jim Dincau" <jdincau@qnet.com>
> Cc: "Dale" <Dale@prodigy.net>; <land-speed@autox.team.net>
> Sent: Thursday, February 15, 2001 1:16 PM
> Subject: Re: Maxton Motorcycle engine class question
>
> > I like being able to race against a variety of configurations, and think
> the SCTA
> > has a nice way of doing it by keeping the 2 and 4 strokes together. I
> mean we
> > cant make a class separation for everything if there is a potential
> suspected
> > difference, do we need a rider weight class designation, or girth
> designation?
> > Even pushrod and overhead cammers used to be together, and many found NO
> problem
> > setting records that still stand with the pushrods. Look at Dave Matsons
> records
> > (set with a Vincent motor) they were set in the generic
> body/frame/displacement
> > class, he didnt enter pushrod. I mean you just find a way to do it. In
> line
> > fours might have a hp advantange, but what about the narrowness of the
> V-twin (an
> > aero advantage), and the way a V-twin puts down power pulses (a traction
> > advantage).
> >
> > Joe
> >
> > Jim Dincau wrote:
> >
> > > > Dale,
> > > > The E.C.T.A. recognizes that there are inherent differences between
> 2
> > > > cycle (the /2 class) and four cycle (/4 designation) engines. The
> other
> > > > sacntions either..... (a) don't know there are differences (which I
> don't
> > > > believe)..... (b) don't care........ or (c) just don't think it
> matters,
> > > > because they are really old school car guys (most likely).
> > >
> > > Boy am I getting tired of this SCTA bashing.
> > > The SCTA bike rules rules are made by bikers, there is an equal but
> seperate
> > > commitee and an annual meeting at speedweek.
> > > Jim
> > >
> > > > As far as the designation for your motorcycle, Ducatis are a four
> stroke
> > > > design so it woul be a 1000/4 engine. P/P is a production pushrod
> > > > designation . If your Ducati is a Desmo drive model and is stock in
> all
> > > > forms but tires it would be in a P/1000/4 class. P = Production, 1000
> =
> > > > displacement , 4 = four stroke.
>
> Y
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