Quote:
Originally Posted by Barry Bordes
From Webster’s New Collegiate Dictionary… displacement\ c: the volume displaced by a piston (as in a pump or engine) in a single stroke; also: the total displaced by all the pistons in an internal combustion engine.
The key phrase being “ in a single stroke”.
Notice that using the dictionary definition of displacement with your “personal convention of a full cycle” to determine displacement of a 4-stroke... the 720º required for the full cycle would incorrectly doubled its displacement.
Barry
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"all pistons" = "all faces"
apply that one
you then will see that all faces and or otherwise "displace" a volume.
The troubling thing in a Wankel that people don't get (even if they dont understand the cycle) is that is has a common housing that is shared across three faces per rotor
Therein lies your path to understanding, rather than looking for an obscure definition in a dictionary
