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Registered
Join Date: Oct 2012
Location: Peoria, Arizona and Big Rock, IL
Posts: 296
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Here it is:
Four-stroke radials always have an odd number of cylinders per row, so that a consistent every-other-piston firing order can be maintained, providing smooth operation.
Found it here:
https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Radial_engine.html
Interesting question.
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07 911 Turbo - Pilot Sport Cup 2 ZP
96 Carrera 4 - Toyo R888r
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92 Corvette - Nitto NT01
14 BMW X3 - Pilot Sport A/S 4
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