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-   -   Just started training with Power? Post your questions/comments here! (http://www.bikeforums.net/33-road-bike-racing/488667-just-started-training-power-post-your-questions-comments-here.html)

TideCrazy3193 12-07-08 08:51 PM

Yes.

waterrockets 12-07-08 08:57 PM

Go to "Customize Chart" from the chart's Options menu, then check the date range.

TideCrazy3193 12-07-08 09:06 PM

It says past 28 days, and the range includes the days of my rides.

waterrockets 12-07-08 09:25 PM

Quote:

Originally Posted by TideCrazy3193 (Post 7982706)
It says past 28 days, and the range includes the days of my rides.

Are you sure the ride files are crediting the same athlete as the chart?

TideCrazy3193 12-07-08 09:37 PM

All the other charts are working perfectly, just the one that I previously mentioned.

Hida Yanra 12-07-08 09:47 PM

Right - so I've been training with my PT for a little over a month now and the other night I had a strange thing happen.
FWIW: I have a wired PT Pro.

I had my bike on a fluid trainer and the power reading went completely nuts. (fluctuating from 80 up to 1600s, and even maxing out at 1999) I re-zeroed several times, loosened the friction wheel and re-tightened... nothing helped.

Are there any thoughts as to what might be causing this? Might it be over-tightening of the hub?
The only other anomaly came on a training ride last week when the computer went blank and only showed one word at the bottom. I think it said "reseat" or something like that... anyway - after messing with the wiring and taking the computer off and on it eventually started working again.

I'd rather not break the new tool this soon after getting it... so, any help?

mista_chewey 12-07-08 11:22 PM

i have a question about my power profile...
i saw on another thread that Kudude's difference between his 20min power and his 5sec peak is much closer than mine.... is that more normal from a more experience cyclist or am i gonna keep having my larger margin?
i did 928 5sec peak
and only 170 for 20minutes

he did 952, and 274

kudude 12-07-08 11:28 PM

Quote:

Originally Posted by mista_chewey (Post 7983408)
i have a question about my power profile...
i saw on another thread that Kudude's difference between his 20min power and his 5sec peak is much closer than mine.... is that more normal from a more experience cyclist or am i gonna keep having my larger margin?
i did 928 5sec peak
and only 170 for 20minutes

he did 952, and 274

relative to all the other hardcore wannabe racers around here (i count myself in that bunch), apparently I've got no jump.

If you look at waterrockets, off the top of my head is 5s is something like 1500W (1800w?) and his 20 minute is more along the lines of 340w (hope i'm not shorting you here, man).

Also, the only other person I can think of off the top of my head, cdr, hits some great wattage on the sprint (1400-ish), but is in the 200s for 20minute.

I think you are more normal than I

umd 12-07-08 11:32 PM

Quote:

Originally Posted by mista_chewey (Post 7983408)
i have a question about my power profile...
i saw on another thread that Kudude's difference between his 20min power and his 5sec peak is much closer than mine.... is that more normal from a more experience cyclist or am i gonna keep having my larger margin?
i did 928 5sec peak
and only 170 for 20minutes

he did 952, and 274

It's not the margin per se, he likely has a much higher FTP than you, but you both have similar "sprint/jump" power. From what I remember, he weighs a fair amount, so likely it is relatively low long term power and ok short term. If you weigh a lot less you may have similar long-term power/weight and much better short term power/weight.

Oh yeah, I'm 937W and 261W (although it wasn't a full 20 min test), but I only weigh 63kg so that's 14.87W/kg and 4.14W/kg...

mista_chewey 12-07-08 11:46 PM

ahh ok thanks.
im in the average scale at 65kg. power/weight is only 2.5 right now though

so everything seems to be inline for now.

thanks guys

umd 12-07-08 11:58 PM

Also I should add that if you figure out where you are on the "e-wang" chart for each duration, your relative position at each duration is your profile. A sprinter's profile would be higher on the short side and be lower on the long side, whereas a time trialist is the opposite. If you look here it talks about the profile "shapes", but the gist is that a "all arounder" has more of a "V" shape and a "pursuiter" is the inverse of that. I haven't done a full 60 minute test effort since I got the power meter so I don't have a clear profile in WKO but if you plot mine using my calculated FTP I have a pretty clear all-arounder profile.

kudude 12-08-08 12:05 AM

Quote:

Originally Posted by umd (Post 7983452)
It's not the margin per se, he likely has a much higher FTP than you, but you both have similar "sprint/jump" power. From what I remember, he weighs a fair amount, so likely it is relatively low long term power and ok short term. If you weigh a lot less you may have similar long-term power/weight and much better short term power/weight.

Oh yeah, I'm 937W and 261W (although it wasn't a full 20 min test), but I only weigh 63kg so that's 14.87W/kg and 4.14W/kg...

:thumb:

76.x kg here. 3.6 W/kg and 12.6 W/kg. my only hope against a UMD is the flats/downhills at the moment. If I had to guess, my normal setup has me at a pretty decent CdA, but that may be wishful thinking

ridethecliche 12-08-08 02:14 AM

For what it's worth, my 5 second max has been 1211watts with a max of 1283. My 20minute interval Normalized power is 258 watts...

I'm a mighty 68 Kg! (Hear me roar?)

Apus^2 12-08-08 09:08 AM

2 Attachment(s)
I've got a question about the power distribution chart--since it is a quick and dirty way of estimating ftp, what bins do yall use? I looked at my ride yesterday with two bin sizes, 10 and 20 watts. Both had distinct drop offs, the size 10 bin at 340-350 and the size 20 bin at 320-340. The size 10 bin did have more noise in it than the 20 bin.

umd 12-08-08 09:18 AM

Quote:

Originally Posted by Apus^2 (Post 7984534)
I've got a question about the power distribution chart--since it is a quick and dirty way of estimating ftp, what bins do yall use? I looked at my ride yesterday with two bin sizes, 10 and 20 watts. Both had distinct drop offs, the size 10 bin at 340-350 and the size 20 bin at 340-350. The size 10 bin did have more noise in it than the 20 bin.

The trianing with power book recommends smaller bins. I found that using both was useful because the one with the larger bins was easier to see the drop from the noise, and the smaller bins differentiated which end of the bin identified in the first chart to use... if that made sense...

kudude 12-08-08 09:44 AM

Quote:

Originally Posted by ridethecliche (Post 7983819)
For what it's worth, my 5 second max has been 1211watts with a max of 1283. My 20minute interval Normalized power is 258 watts...

I'm a mighty 68 Kg! (Hear me roar?)

any reason to use NP over AP on a 20 minute interval? I found for some of my shorter efforts, or when I did 1minute intervals, the NP over a long period of time was much higher. However, for a steady state effort, there were only a few watts diff between NP and AP.

I'm really curious how the distribution will look for crits (NP buster).


also -- stay on the east coast. i don't want to have to add you the list of people who are faster than me around here. It's a long list.

Psimet2001 12-08-08 10:18 AM

Quote:

Originally Posted by umd (Post 7984577)
The trianing with power book recommends smaller bins. I found that using both was useful because the one with the larger bins was easier to see the drop from the noise, and the smaller bins differentiated which end of the bin identified in the first chart to use... if that made sense...

+1 - there are all sorts of rules of thumb for proper bin sizing on histograms, but this is for personal use in Power software so....

Start with larger bins to help "reduce noise" as umd points out. When you identify the range of where your drop-off occurs then use smaller bins - looking specifically in that range - to identify your more precise drop-off.

That said I don't have WKO+ and am using the Poweragent stuff from Saris - no histogram that I have seen yet. Guess I could just output my file and analyze it in excel....sounds like what I do at work....no fun....:(

esammuli 12-08-08 11:07 AM

Quote:

Originally Posted by kudude (Post 7984698)
any reason to use NP over AP on a 20 minute interval? I found for some of my shorter efforts, or when I did 1minute intervals, the NP over a long period of time was much higher. However, for a steady state effort, there were only a few watts diff between NP and AP.

I'm really curious how the distribution will look for crits (NP buster).


also -- stay on the east coast. i don't want to have to add you the list of people who are faster than me around here. It's a long list.

NP isn't particularly useful (or designed to be used) for shorter efforts like 5 min or 20 minute efforts. It's designed to be used to understand the full impact of an entire workout or race. I've read Coogan say specifically said NOT to use NP of a 20 minute effort to gauge FTP.

ridethecliche 12-08-08 11:14 AM

Quote:

Originally Posted by kudude (Post 7984698)
any reason to use NP over AP on a 20 minute interval? I found for some of my shorter efforts, or when I did 1minute intervals, the NP over a long period of time was much higher. However, for a steady state effort, there were only a few watts diff between NP and AP.

I'm really curious how the distribution will look for crits (NP buster).


also -- stay on the east coast. i don't want to have to add you the list of people who are faster than me around here. It's a long list.

The 20 minute interval occurred over a hilly route with a couple of downhills where I really couldn't apply power. The AP is actually 194, which is why I didn't list it in the first place ;)

I'm pretty slow :)

ridethecliche 12-08-08 11:16 AM

Quote:

Originally Posted by Psimet2001 (Post 7984882)
+1 - there are all sorts of rules of thumb for proper bin sizing on histograms, but this is for personal use in Power software so....

Start with larger bins to help "reduce noise" as umd points out. When you identify the range of where your drop-off occurs then use smaller bins - looking specifically in that range - to identify your more precise drop-off.

That said I don't have WKO+ and am using the Poweragent stuff from Saris - no histogram that I have seen yet. Guess I could just output my file and analyze it in excel....sounds like what I do at work....no fun....:(

If you're looking for an alternative program to use, try playing with sporttracks. I think you might like it! I might start using that in addition to WKO+.

Apus^2 12-08-08 12:08 PM

I had a 1 hour 15 minute "interval" on Sunday where my average power was 278 watts, but my normalized power was 312 watts (kinda cool, because my FTP was 310, I need to bump it some)

ZeCanon 12-08-08 12:32 PM

My power on my TT bike is so crap. It's bothering me.

Experienced TT'ers: as your body adapts to the extreme position does the power come back up? How long does it take? If I had to guess (I haven't tested yet) I'd say my threshold his probably 15-20w lower on the TT bike than on my road bike. My position is really good in terms of drag, so I'm still considerably faster, but if my body isn't going to adapt and bring the difference down to 5-10w then I'll adjust my position for a little more power.
The plan right now is to be on the bike at least twice a week all winter. Should I expect a relatively quick adaptation? Or should I adjust the position to be a little less extreme right now?

Booger 12-08-08 12:39 PM

Anyone know where I can snag the e-wang chart in text format? I want to paste it into excel and run some simple formulas.

sgrundy 12-08-08 12:40 PM

There's an excel version here
http://www.cyclingpeakssoftware.com/...11/profile.asp

snoboard2 12-08-08 01:01 PM

1545w/310w :)

I'm interested to see how lower body lifting 3x a week will affect my max, 5 second and 1 minute power.

Last time I lifted, i went from 1250w max to 1450w max and kind of plateaued. We shall see...


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