Re: [ST] Higher RPM for racing?

["Joel Ashman" <ashmite@xxxxxxxxx>]

Ah.. the missing formula.  I forgot that one.  That helps too!

--Joel


On 8/22/06, david.funk@xxxxxxxxxxx <david.funk@xxxxxxxxxxx> wrote:
>
> (Torque) X (rpm) => HP
>
> So your 6000 rpm motor has TWICE the torque of the 12000 rpm motor.
> Somebody did a very bad job building the 12000 rpm engine.
>
> A wide power band (flat curve) is always a good thing. But for the track
> you only need a power band as wide as the spacing between gears.
>
> David W. Funk
>
> -------------- Original message --------------
> From: "Joel Ashman" <ashmite@xxxxxxxxx>
>
> > OK so I need a little education... When did it become preferable to have
> > higher RPM for racing? It seems to me (a non racer) that given 2 motors
> with
> > the same displacement, one with 12000 RPM and 150 HP (and a peaky curve)
> and
> > a 6000 RPM 150 HP (flat curve) that the lower one would be more usable
> on
> > the track. Hit a gear and hold it in a turn instead of shifting. I hated
> > the ride I had on a newer R6. I had to downshift 3 times to pass a car
> > downhill, while on my Sprint, I just nail the throttle and go. Also, it
> the
> > two above motors consumed the same amount of fuel per cycle, the 6000
> RPM
> > would get better mileage and therefore pit less for refueling.
> >
> > Again, I'm just curious, and its really because I dislike the
> streetability
> > of the modern racing style bikes. I can never talk someone out of a
> > Hyabusa who just wants a bike to cruise around and to work and back.
> Gimme
> > a V-twin or Triple anyday.
> >
> > (Which leaves me to choose between the Monster 695 or the Speed Triple
> next
> > spring)
> >
> > --Joel
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