Rotary Engine Displacement - The Final Answer
The following is proof that Mazda 13B engines are infact 1.3L in displacement but they pump air like a 2.6L conventional 4-stroke piston engine.  These pages are excepts from "The Wankel Engine" by Jan P. Norby pages 26-29 and published by Chilton in Philadelphia in 1971.

The two irrefutable points I would like to emphasize are the following:

"This arguement was effectively put to rest when the leading independant expert on Wankel engines, Richard F. Ansdale, delivered a paper entitled "Rotary Engine Development and its Effect on Transport" to the Society of Automotive Engineers of Australasia (October 15, 1968).."  pg 28

"With a single rotor and chamber volume of 500cc., the intake air volume of a Wankel engine is only 500cc per mainshaft rotarion.  That means that it is equivalent to a one-liter (1000cc.) four stroke piston engine." pg29

One final word:  I do not wish to insult anyone, but if after reading this text you are still not convinced, you will have to just believe it because smarter people say so.  How many of you actually understand the physics of gravity that are keeping you planted to your seat beyond basic the Newtonian physics equations?  You don't and you are content with the basic explaination you got.  Arguing against the merits of an Automotive Engieering Society would require substantial credentials and evidence.
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