Paul, Here is the rough timing point for the 3rg gen rx7 injectors.
Notice the double signal from it's CAS. It looks like right when the
exhaust closes. Barry Bordes

The p-port never closes. What does not make it into one face will
make it into the next face.  Intake timing is not critical.

Totally unlike a 4 stroke piston engine.

The rotary is the closest thing to a continuous combustion engine
just like a jet. Yes you get pressure waves in the intake and
exhaust.

You can record them with a maximite.

Here are some samples.

Paul Lamar

Looking at your pressure traces where would suppose the best to start flowing the injector for best atomization?
They are shown as IO, IC, EO, EC.
I am not sure 22 deg BTDC would be the best spot.
Barry Bordes

It would take some extensive and complicated software to do that.
At aircraft power levels at 5000 RPM and up I doubt one could find any BSFC
or HP improvements.  Perhaps in car operations.

I want to keep this EFI as simple as possible.

Paul Lamar


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