I did a little more work on the 3D's with a paint program.
I think this is a solution to the slightly worse fuel consumption.
It should make the rotary equal to the piston engine on fuel
burn, In a way this simulates the piston engine in the way it
compresses the incoming charge.

Paul Lamar


Paul,

At Norton we did similar work but we used brake pipes in a crossover configuration from
the side walls of the endplates, on our twin rotor machine. We was trying to improve the idle.

We for over a two decade also used butterfly's mounted within the housing, we PTFT?? coated
the S.U butterfly due to them and the throttle jamming closed when the housing contracted on cooling.

Bob Rowley.

The butterflies have that problem. You need slop in there and then they leak when closed.

That is interesting. Did the brake pipes work? The main reason Mazda went with side exhaust ports was to improve
the idle. Every time it missed  you got a dollop of unburned hydrocarbons. It was normal for
earlier RX's to miss every once in a while at idle.

Paul Lamar

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