> In modern motorcycle engines they use big "pre-chambers"
> before the
> intake tubes. Such a chamber in a 1200cc Motorcycle can
> have a
> volume up
> to 4500 cc. And this is really only for tuning (not for air
> filtering) and helps a lot getting out 175HP from a 1200cc
> production bike.
>
> Reiner Nikulski
>
> Unfortunately it confuses the heck out of the carburetor.
> I am about to give up on any kind of venturi sensor.
> The automotive industry did it years ago.
>
> Paul Lamar ...No rotor no motor.
>
>
>
>
> This is also one of the reasons that even a low pressure version
> of the
> direct injection has merit. If we want better economy we need to avoid
> spraying the surrounding environs with fuel! This is also the
> reason that
> most modern cars/bikes/boats use large air boxes to contain the
> reversion mist if carburetated.
>
>
> Bill Jepson
>
> Well I had fully intended to do that but I don't think it will
> stop the mixture instability of the air flowing back and fourth
> through a venturi. I could be wrong.
>
> Paul Lamar ...No rotor no motor.

I know I'm out of context.  When a problem arises at one point one
needs a pause.

Enjoy Paul and guys  http://www.youtube.com/watch?v=x96XS63hFPM

Complementary of a Mustang 11 pilot

Marc J.
NexusMustang

The engine sounds funny :)  Very unusual weather for Canada :)