Paul,

Yes I have Ansdale book. and Kenichi Yamamoto, but non give the Rotor POCKET
volume.


Thanks Rolf

But my question is not the Chamber swept volume, for this you do not require
the Rotor POCKET volume, I wanted the pocket volume, of the Rotor, and as I
say we used to use plasticine to fill it and smooth around the Rotor Flank
with a steel rule, then take the mould out of the pocket and then measure
the fluid displacement to arrive at the CC of the pocket by computation..

I enclose a screen shot, whilst the FIM accepted the 1.5 rule in 1998 I
accept that this may no longer be true.

The wording was from a Guide for the ACU officials, for post race strip
downs and the like..

Bob