Eric,
As you have predicted, 4 stroke will not be competitive. It will weigh to
much, and bring on a whole slue of new rules and it the end will most likely
end up being a sealed engine as there are just to many things to tinker with
in a 4 cycle. ( I know, you can change things in a 2 cycle, but not valve
size, valve lift, valve timing, intake and exhaust porting, etc)
The guys wanting to run 4 cycle will complain that the 2 cycle have an
UNFAIR ADVANTAGE because of there lighter weight and more power and ask for
more weight added to the 2 cycle powered cars.
Richard
----- Original Message -----
From: "Eric D Christensen" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, August 07, 2006 8:17 PM
Subject: Re: [F500] RE: Beyond powerplants/trannys
> On Mon, 2006-08-07 at 14:38 -0700, Chris Reinhardt wrote:
> > How many engines have been tried since the Kawi 440's?
>
> Three:
>
> AMW added in 1994
> Rotax 494 added in 1997
> Rotax 493 added in 2003 (or was it 2004? Memory is the first to go...)
>
> Overall, I don't think that's too bad of a track record for longevity.
> It'll be 10 years for the Rotax 494 next season.
>
> On the other hand... I'm with Jay... introducing an alternative 4 stroke
> with gearbox won't kill the class and may attract some new blood.
>
> Personally, I think it's going to be tough to get a motorcycle engine to
> be competitive with the Rotax/CVT combination, but hey, we'll never know
> if nobody ever tries it.
>
> -----
> Eric D Christensen
> Proadmin, Inc.
>
>
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> Content preview: On Mon, 2006-08-07 at 14:38 -0700, Chris Reinhardt
> wrote: > How many engines have been tried since the Kawi 440's? Three:
> AMW added in 1994 Rotax 494 added in 1997 Rotax 493 added in 2003 (or
> was it 2004? Memory is the first to go...) [...]
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Content preview: Eric, As you have predicted, 4 stroke will not be
competitive. It will weigh to much, and bring on a whole slue of new
rules and it the end will most likely end up being a sealed engine as
there are just to many things to tinker with in a 4 cycle. ( I know, you
can change things in a 2 cycle, but not valve size, valve lift, valve
timing, intake and exhaust porting, etc) [...]
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