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How do you work out RWKW to KW or vice versa?? 

 

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 Post subject: How do you work out RWKW to KW or vice versa??
Posted: Tue Jun 28, 2005 5:38 pm 
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Does anybody know how to calculate rwkw to kw or the other way round???

just something good to know when u see things shown in rwkw and wanna know what it is in kw at the engine

 

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Posted: Tue Jun 28, 2005 5:41 pm 
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Very basically without worring if its auto or manual, take a 30% loss for the drivetrain and thats the RWKW vs KW

100kw at the flywheel = 70rwkw

so 100 x .7 = 70 and 70 / .7 = 100

 

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Posted: Tue Jun 28, 2005 5:46 pm 
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isnt it ment to be 30% auto
20% manual

aprox...

 

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Posted: Tue Jun 28, 2005 5:51 pm 
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30% auto - 25% manual but depends how pedantic you want to be, put it on a dyno instead of guessing.

 

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Posted: Tue Jun 28, 2005 5:52 pm 
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Its not an exact science... i prefer to think of it as an absolute HP figure... but the measures described above will get you into the ball park.

 

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Posted: Tue Jun 28, 2005 6:42 pm 
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4.9 EF Futura wrote:
Its not an exact science... i prefer to think of it as an absolute HP figure... but the measures described above will get you into the ball park.


Yeah, it's all just approximations:

rwkw / 0.7457 = rwhp

and

rwhp = fwkw

Therefor:

70rwkw / 0.7457 = 94hp

94rwhp = 94fwkw
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