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Old 30th March 2006, 21:37   #16
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bigger engines are not neccessarily more powerful than smaller ones ..they might not even have more torque... as is evident from a comparison between a skoda RS 1.8 and a 2.4L Honda Accord ... both have similar figures of bhp and torque ...

so can the RS engine do duty on the accord ???
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Old 5th April 2006, 17:09   #17
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Has anyone been able to establish this relationship. If yes, please share some information on this. This question becomes increasingly relevant as the conventional wisdom doesn't seem to be holding true.

-Sumit
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Old 11th April 2006, 17:03   #18
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Quote:
Originally Posted by sumitsingh
Has anyone been able to establish this relationship. If yes, please share some information on this. This question becomes increasingly relevant as the conventional wisdom doesn't seem to be holding true.

-Sumit
If you want to know some formula then the basic formula is as follows:

Power -> Pm x L x A x N

where Pm = Mean effective pressure which is directly related to torque,
L = Length of the stroke of the engine
A = Area of the piston
N = rpm

L x A is the cubic capacity of the engine and while keeping the cubic capacity constant, you can have higher power by increasing Pm by tubocharging or VTEC etc.

I think this answer your question.

RK
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