BTW can anybody tell me why my air passages in this rotor housing
   are a bad idea? This is a quiz.

   Paul Lamar


   They allow high pressure combustion gases to pass back to the intake
   side. This would cause preignition. BIG no no!

       Dale Davies

       Possibly but there is one other problem.

       Paul Lamar

       Compression pressure bleedoff and out the exhaust.
   Low cylinder pressure and high exhaust emissions.
       Dale Davies

   Not exactly.

   What do you mean "out the exhaust." ?

   Paul Lamar


   It will blow the combustion cycle back into the previous chamber as apex passes inlet to bypass. And the timing would be static. The rotor design stays with the combustion

   Kurt Emerson

   Well yes but that is not what I had in mind. There is another factor in play here.
   Can anybody think what that is?

   Paul Lamar


Cooling issues, causing hot & cool spots within the housing?

Anthony Moldenhauer


Nope. Nothing to do with cooling.

I assume everybody has Kenichi Yamamotos book "Rotary Engine."

http://foxed.ca/rx7manual/manuals/REbyKenichiYamamoto-1981.pdf

Paul Lamar


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