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Why The Increased Vibrations?


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#1 F1 FANatic

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Posted 25 November 2005 - 02:32 AM

ok, i always here that the v8s vibrate more then the v10s but nobody ever explains why. Does anybody know? Is it just because they run at higher RMP?
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#2 pumpdoc

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Posted 25 November 2005 - 03:35 AM

:D Simply put it's the harmonics associated with a V-8 crankshaft and the rod journal spacing(deg.) a V-6 is even worse although some engine mnft. build non-race motors with balance shafts to off-set the vibrations.
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#3 jimmyk

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Posted 25 November 2005 - 06:45 AM

View Postpumpdoc, on Nov 25 2005, 01:35 PM, said:

:D Simply put it's the harmonics associated with a V-8 crankshaft and the rod journal spacing(deg.) a V-6 is even worse although some engine mnft. build non-race motors with balance shafts to off-set the vibrations.

Ive been told in terms of harmonics, straight (or In-line) 6cyl & v-formation 10 cylinders display the best harmonics at high rpm. The best, most sexually exciting noise I have ever heard was the old LeytonHouse Lamborghini V12 :wub:  closely followed by the last Ferrari V12 in Adelaide many years ago. I hope im not dissapointed by the sound of these new V8s!!!

#4 Jean Todt

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Posted 26 March 2006 - 12:33 PM

View Postpumpdoc, on Nov 25 2005, 03:35 AM, said:

:D Simply put it's the harmonics associated with a V-8 crankshaft and the rod journal spacing(deg.) a V-6 is even worse although some engine mnft. build non-race motors with balance shafts to off-set the vibrations.
err..does that mean there is no balance shaft in f1 engines 2 save weight? i

#5 pumpdoc

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Posted 29 March 2006 - 02:01 AM

View Postabbas_gear, on Mar 26 2006, 04:33 AM, said:

err..does that mean there is no balance shaft in f1 engines 2 save weight? i

probably and hp.
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