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Power - Time relationship

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Old 27-09.-2007, 07:08 AM   #1
sogood
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Default Power - Time relationship

Is there a relationship curve b/n best sustained power o/p and time duration? That is, for a given rider's FTP, can one extrapolate the power level for a 30mins or 20mins spurt, and vice versa? Just curious.
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Old 27-09.-2007, 07:31 AM   #2
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Default Re: Power - Time relationship

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Originally Posted by sogood
Is there a relationship curve b/n best sustained power o/p and time duration? That is, for a given rider's FTP, can one extrapolate the power level for a 30mins or 20mins spurt, and vice versa? Just curious.
Yep, but it's different for everyone. Check out this link: http://www.velo-fit.com/articles/critical-power.pdf

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Old 27-09.-2007, 08:59 AM   #3
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Default Re: Power - Time relationship

Thanks Dave. I appreciate the difference b/n individuals. Sprinter vs TT specialist comes to mind.

I was just trying to get a feel of how the relationship works.
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Old 02-10.-2007, 06:59 AM   #4
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Default Re: Power - Time relationship

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Originally Posted by sogood
Thanks Dave. I appreciate the difference b/n individuals. Sprinter vs TT specialist comes to mind.

I was just trying to get a feel of how the relationship works.

just adding a word of caution here: don't extrapolate past the 1-hr/FTP mark with CP-Monod. It will nearly always overestimate power and get worse as you go further to the 'right'.
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