Power on trainer vs. flat road vs. hill

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2014-11-25 5:16 PM

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Subject: Power on trainer vs. flat road vs. hill

This is a small sample, but interesting nonetheless.

http://www.smas.org/2-kongres/papers/1721.pdf

2014-11-25 6:01 PM
in reply to: jeng

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Subject: RE: Power on trainer vs. flat road vs. hill
Another interpretation is that people mistakenly self select too fast of a cadence for max power. Since it was a pilot study, I'd assume in the big experiment, they will either control for cadence or have enough subjects that they can bin them and analyze accordingly.
2014-11-25 7:49 PM
in reply to: 0

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Subject: RE: Power on trainer vs. flat road vs. hill

For me, the difference between wattage on a flat time trial on my tri bike, versus and uphill time trial (5.7% avg grade) on my road bike...is about 2-3% higher when climbing on the road bike.  With both efforts being around 22-23 minutes.



Edited by Jason N 2014-11-25 7:50 PM
2014-11-26 7:41 AM
in reply to: Jason N

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Subject: RE: Power on trainer vs. flat road vs. hill
I am a grinder and am trying really hard to get my cadence up to the 85 - 95RPM that I think it should be. I can certainly say that I can develop more power at the lower cadence but maintaining that low cadence comes with a pain cost in the knees and is ultimately unsustainable over longer distances(100+km)
2014-11-26 9:13 AM
in reply to: jeng

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Subject: RE: Power on trainer vs. flat road vs. hill

i was just having a discussion about this on the "other site" where i did a workout earlier this year which mimicked these numbers pretty well.  i translated this over to my TT'ing, not triathlon bike leg, and saw some pretty good results running a lower cadence. optimum for me seems to be around 85 RPM over a 40k. 

2014-11-26 1:43 PM
in reply to: DaveL

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Subject: RE: Power on trainer vs. flat road vs. hill

Originally posted by DaveL I am a grinder and am trying really hard to get my cadence up to the 85 - 95RPM that I think it should be. I can certainly say that I can develop more power at the lower cadence but maintaining that low cadence comes with a pain cost in the knees and is ultimately unsustainable over longer distances(100+km)

A sub-85 cadence does not automatically cause extra pain in the knees and can be very sustainable for well over 100+km.  Anyway, you should ride at a variety of cadences when you ride--including some 'uncomfortably' high (or low).  And ride a lot.  And let your 'should be' cadence fall where it may.

2014-11-26 9:55 PM
in reply to: JohnnyKay

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Subject: RE: Power on trainer vs. flat road vs. hill
that was my experience, I didnt think that I need to add a YMMV disclaimer as I though most would know that.
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