Snipped...

The P-P intake runner is now 7" between port and carb slide. This is not
final, it is only for test stand purposes.

Richard Sohn
N-2071U
unicorn@gdsys.net

That is a bit short and could explain the relatively smooth P-port idle.

I just found these pictures I took of an early wankel gen set  tuned for

low end

torque. The engine was in a museum near Hockenheim.

Paul Lamar

Hi Richard, Paul,

at least this shows, that the butterfly doesn't have to be "as close as
possible" to the intake port, but that there is some leeway to put the BF
somewhere where it might be more convenient.

Thomas J.

As long as the P-port runner is short. With short P-port runners you give up HP.
Everett Hatch did extensive experimentation with this.

Paul Lamar
 
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