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Registered
Join Date: Nov 2002
Location: Los Angeles
Posts: 729
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More cylinders, better?
Pre-89 911 has almost the same engine design as my '81 BMW R100 motorcycle. Under heavy acceleration, 911's six cylinders are much louder and vibrates more than the BMW's two cylinders. The two-cyclinder BMW just feels silky smooth.
I have driven Mercedes SL600, V12. The V12 just seems like it's much quieter and smoother than the V8. More cylinders but smoother, what's the reason behind this?
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Caliber 1987 911 Cabriolet |
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01-17-2003, 03:34 PM
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Registered
Join Date: Nov 2002
Location: Planet Eugene
Posts: 4,346
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More cyls = smoother; more cyls means firing orders and hence piston travel and inertial movements are more balanced = smoother; more cyls also means more friction = higher losses, less hp/unit vol. = less efficient.
Exact optimum # cyls depends on balance of these factors. |
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01-17-2003, 03:48 PM
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