Subject: WANKEL ANALOG
From: Paul
Date: 2/22/2001, 5:17 AM

vjaqua wrote:

Paul - Thought you might enjoy this - To better understand the operation
of the Wankel rotary, I decided to contrive an analog using cylinders and
pistons. The rotor (with thr pistons enclosed) rotates  clockwise at 1/3
the eccentric (with the connecting rods) speed in the same direction -
just like a Wankel. A single ignition point is used - just like a Wankel.
Valving is provided by the rotor passing ports - just like a Wankel. A
firing event occurs each turn of the eccentric - just like a Wankel. Each
chamber goes thru all 4 cycles (intake,compression,power,exhaust) - just
like a Wankel  Balance would be provided by external bob weights on the
eccentric -etc.

The differences being that all the running surfaces are simple circular
machinings , making fabrication and sealing simpler. However, we have
brought back the dreaded connecting rods.

Strangely this engine has 3 cylinders (but not restricted to that), and
the displacement is clearly the sum of the  bore/stroke volume of the 3
cylinders.  :-)  - Vance

 
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