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Power calculations (Watts) in cycling
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| rjc_43 |
Posted on 30-05-2008 16:00
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Now does Aquarius' picture look like he's British? Clearly not...
[url=cleavercycling.co.uk]  [/url] |
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| issoisso |
Posted on 30-05-2008 16:03
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I never said he was british.
I'm being falsely accused, I tell you! |
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| Ad Bot |
Posted on 24-11-2024 02:44
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| rjc_43 |
Posted on 30-05-2008 16:37
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issoisso wrote:
we don't drag down the english here. we drag down all brits 
you, SN, crommy, aquarius, karl, smoothie...
Looks like it to me boyo.
[url=cleavercycling.co.uk] [/url] |
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| issoisso |
Posted on 30-05-2008 16:44
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brit != british
read that as you will |
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| mattiasgt |
Posted on 30-05-2008 17:08
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issoisso wrote:
brit != british
read that as you will
That reminded me of my programming experiences.
Please, never do that again..
(Previously) Manager of Koenigsegg
Koenigsegg: ( Media)
Livin' Loud |
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| wackojackohighcliffe |
Posted on 30-05-2008 17:11
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thankyou crommy
of course britain can't get any lower but I don't think we can get better
we take pride in being gallant losers
and aquarius, what doping scandal was lance embroiled in?
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| Aquarius |
Posted on 30-05-2008 17:18
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Are you sure you want me to start against Armstrong ? You probably didn't know me in my Cyanide forum days. 
1) Corticoïds in 1999, he was forgiven against every UCI rule for giving a certificate after the test result was known.
2) EPO in his 1999 TDF A-samples, 3 methods, 6 samples, 18 positive cases on 18 tests performed. Of course there was no B samples since it wasn't official testing, so it didn't or wouldn't hold in front of a court, but the results are there.
3, 4, 5, etc. ) I just realised I don't want to sit on this chair till tomorrow, explaining why it's clear enough Armstrong was on dope
edit : I'm French, but from Brittany, so I'm sort of a Brit...
Edited by Aquarius on 30-05-2008 17:19
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| wackojackohighcliffe |
Posted on 30-05-2008 17:22
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a bretagne
i am one who trusts armstrong somewhat post-cancer
however, especially with such anti-armstrong press in france, your opinion would be kind of warped.
i dont think armstrong is 100% clean though. just after his first tour win
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| issoisso |
Posted on 30-05-2008 17:27
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Aquarius wrote:
edit : I'm French, but from Brittany, so I'm sort of a Brit...
glad somebody got what I was grasping at
mattias:
me.sorry()=true;
Edited by issoisso on 30-05-2008 17:27
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| t-baum |
Posted on 30-05-2008 21:44
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....
Edited by t-baum on 30-05-2008 21:45
Macquet wrote:
"We all know that wasn't the real footage of the Worlds anyway. That was just the staged footage to perpetuate the coverup that it was actually Vinokourov that won the race." |
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| Ashton89 |
Posted on 31-05-2008 01:33
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Seriously t-baum how old are you? 
You're complaining about the language and so on..
The only language you probably talk is english or american .. (same thing almost)
Some american aren't too bright themselves .. so come on .. |
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| CrueTrue |
Posted on 31-05-2008 01:59
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As said, end of discussion. I've talked with t-baum in a PM, and it's time to get back on topic. |
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| Deadpool |
Posted on 31-05-2008 02:35
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issoisso wrote:
mattias:
me.sorry()=true;
Busting out the Java, nice |
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| Levi4life |
Posted on 31-05-2008 07:18
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 Were to start...
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| issoisso |
Posted on 31-05-2008 07:57
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Deadpool wrote:
issoisso wrote:
mattias:
me.sorry()=true;
Busting out the Java, nice
 |
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| brun sweater |
Posted on 31-05-2008 08:11
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Aquarius wrote:
Are you sure you want me to start against Armstrong ?
 ... please do!
...anyways, the weakness of these calculation is how to define maximum treshold. Statisticly and if judged by history, you're definitely on to something, so imo it just weakens the argument to start talking about 410 watts, or any other maximum AT. Calculating human limits is not an easy science, and I've read scientist claiming up to 6.4 w/kg.
Just comparing riders performances is sufficient for me  |
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| Aquarius |
Posted on 31-05-2008 09:09
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410 W or 5,9 W/kg is not the maximum on one mountain (6,4 would be ? maybe), it's on the average of the relevant climbs during a Grand Tour. And, as I already said, it's already way too high (but it's that high to prevent accusing a god gifted rider), 5,5 would be more suited.
Where cycling loses it's romantic aspect is when you dig into science.
C6H12O6 + 602 -> 6 CO2 + 6 H20 + energy
Which means "sugar" plus oxygen give water (sweating and breathing), carbonic gas (breathing) and energy, that's how the human engine works.
A certain human body can, according to its weight, store up to a certain amount of "sugar" (glycogen, sugar, lipids), whose usable amount depends from the heartbeat and thus the blood flow. A human body can with a certain hematocrites rate, lungs volume and breathing speed cannot use more than a certain amount of oxygen during a defined time.
Most of those parameters can be measured quite easily (that's what the blood passport is about actually), thus the performances you can expect from a rider are known.
Not easy to explain it with my lousy English, but biophysics is quite an accurate science, there's little room for miracles here. |
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| Ashton89 |
Posted on 31-05-2008 10:19
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CrueTrue wrote:
As said, end of discussion. I've talked with t-baum in a PM, and it's time to get back on topic.
Okay sorry about that |
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| alex153 |
Posted on 31-05-2008 10:46
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Ashton89 wrote:
The only language you probably talk is english or american .. (same thing almost)
You know what my english teacher would do to you if he read that ( he is british ) |
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| Ashton89 |
Posted on 31-05-2008 10:51
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alex153 wrote:
You know what my english teacher would do to you if he read that ( he is british )
Haha noo what ?? Probably something funny haha |
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