I am amazed I did not figure this out years ago. I read Kenichi 1969
book Rotary Engine years ago. And then did not bother to read it
again when the 1981 Rotary Engine book came out. I assumed the same
subjects were covered in the 1981 book but they were not. The airflow
in the combustion chamber situation in the 1981 book was ignored.

You know what is meant about assumed.

It makes an "ass" out of you and "me" :-)

Kenichi knew all about the problem from the get go.

I am also amazed  nobody attempted to fix the problem until now.

Don't take my word for it.

Here is page 100. Read it yourself.

Paul Lamar

I'm not understanding this. Are you wanting the flame to be
further toward the leading edge?

Are you wanting the pressure to be more toward the leading edge?

As I understand it, at the speeds we are talking about, gas flows
similar to a liquid. So one needs to think in terms of directing
a fluid.

So I am trying to wrap my hands around what is needed so I can
try to envision how to make it work.

Regards,
Steve Thompson


Further aft. It is too far forward.

The ratio of the rotor rotation speed is one third of the e-shaft rotation speed.
When the e-shaft is at 90 after TDC the rotor has only rotated 30 degrees.

Paul Lamar


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