>
     > Torque peak is not only a function of pipe length
     > but also a function of diameter as shown in the least chart.
     > Perhaps something to due with Helmholtz theory.
     >
     > Paul Lamar ...No rotor no motor.

    Paul,

    OK I give up.  What is the red object that looks suspiciously like
    another
    spark plug.  It is too far down to be a leading plug and too far away to
    provide an exhaust gas scavenging spark.  So is it a  water
    injection port?

    DougFir


    Somebodies idea of where to put another spark plug.
    Richard Konnen I would guess.

    Paul Lamar ...No rotor no motor.

Paul,
 The electronic revolution is making it's way into consumer motorcycles.
The newest Yamaha R1 (1000cc repli-racer) is being fitted with a servo
motor driven 2 position variable length intake. Not enough throw to
duplicate the LeMans engine, ...yet.
Bill Jepson

Here are pics of the Lemans engine mechanism for the new guys.

Paul Lamar

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