Or as my friend Brian Parr once laconically put it: "if we weren't doing this (racing bikes) we'd be off in the woods beating on each other with sticks and rocks."
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Re: Trek TTX is Faster Than the P3C [jens]
[ In reply to ]
Or as my friend Brian Parr once laconically put it: "if we weren't doing this (racing bikes) we'd be off in the woods beating on each other with sticks and rocks."
Re: Trek TTX is Faster Than the P3C [roady]
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the drag/speed numbers imply a Cda around 0.245-0.255. For a small guy like Levi that's surprisingly large. Perhaps he ought to hire Jens/Tom/AC as consultants :-)
If the numbers have been 'adjusted' to protect his true data that should have been stated ...
Something does not quite compute ... else my spreadsheet is just way off.
If the numbers have been 'adjusted' to protect his true data that should have been stated ...
Something does not quite compute ... else my spreadsheet is just way off.
Re: Trek TTX is Faster Than the P3C [roady]
[ In reply to ]
Yeah...a CdA of ~0.25 - 0.26 does seem a bit high for Levi. But, like I've said, not knowing the details of the comparison, it's tough to put any value on the differences shown in that chart. I'm thinking the comparison may actually have been from Basso (who would've had a P3C to compare to, right?).
I've pointed out to Druber the flaws in his "watt trader" or "purchasing watts" analogy. Here's what I told him is a better analogy:
Quote:
BTW, you haven't been "purchasing watts", you've just figured out ways to not waste them. Your engine has a
finite amount of power when it's in "peak tune", you
just want to minimize how much is wasted so that more
of that finite amount can go into what's important,
going faster! Think of it more as a conservation
program. You may need to put some up front capital
into the project, but your return on investment (i.e. speed) from the savings is huge!
http://bikeblather.blogspot.com/
Re: Trek TTX is Faster Than the P3C [Tom A.]
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Yeah, I've stood next to Levi, and he's one of the only guys I've seen who make me feel big--and I'm in the sub .02 category! Something is fishy with those numbers?
As far as Druber, I beat a lot of guys like that simply because they cling to that attitude--so please, don't try to change his ways!
As far as Druber, I beat a lot of guys like that simply because they cling to that attitude--so please, don't try to change his ways!
Re: Trek TTX is Faster Than the P3C [Tom A.]
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For another poster, Lieto's bottle set-up is a dremel job on the bottles themselves. The bottles are empty; he carries his fluids behind the seat in a custom Bontrager carrier.
Yes, those numbers are off if they are for Levi. Allied confirmed he tested at like 0.19, lowest they'd ever seen. You can find that somewhere.
"Non est ad astra mollis e terris via." - Seneca | rappstar.com | FB - Rappstar Racing | IG - @jordanrapp
Yes, those numbers are off if they are for Levi. Allied confirmed he tested at like 0.19, lowest they'd ever seen. You can find that somewhere.
"Non est ad astra mollis e terris via." - Seneca | rappstar.com | FB - Rappstar Racing | IG - @jordanrapp
Re: Trek TTX is Faster Than the P3C [Rappstar]
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Trek's press release stated they were for Levi ...
FWIW, 0.19 CdA would require equivalent test drag numbers in the 1475-1500g range.
Does Scott Daubert ever post here?
FWIW, 0.19 CdA would require equivalent test drag numbers in the 1475-1500g range.
Does Scott Daubert ever post here?
Re: Trek TTX is Faster Than the P3C [Rappstar]
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Re: Trek TTX is Faster Than the P3C [rmur]
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Last edited by:
Andrew Coggan: Oct 10, 07 10:24
Re: Trek TTX is Faster Than the P3C [Andrew Coggan]
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Re: Trek TTX is Faster Than the P3C [Rappstar]
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Thanks, I guess I'm just a dumbass, but I'm guessing that he found having the bottle on the front was better than nothing at all. I don't really understand that, but I'll take the word of people smarter then me. Nice touch with the straw coming out, that makes it not a fairing?
---------------------------------------------------
Brawndo's got what plants crave. Brawndo's got electrolytes. And that's what plants crave. They crave electrolytes. Which is what Brawndo has. And that's why plants crave Brawndo. Not water, like from the toilet.
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Brawndo's got what plants crave. Brawndo's got electrolytes. And that's what plants crave. They crave electrolytes. Which is what Brawndo has. And that's why plants crave Brawndo. Not water, like from the toilet.
Re: Trek TTX is Faster Than the P3C [rmur]
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"Based on Levi Leipheimer’s February 26, 2007 wind tunnel run, which scored the lowest drag numbers ever recorded at the SDLSWT by a male athlete."
Like I said: interesting....veeeeeeeeerrrrrrrrrrryyyyyyyyyy interesting.
Re: Trek TTX is Faster Than the P3C [Andrew Coggan]
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Wrong fictional German soldier:
----------------------------------
"Go yell at an M&M"
Re: Trek TTX is Faster Than the P3C [rmur]
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Re: Trek TTX is Faster Than the P3C [Andrew Coggan]
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okay .. the name Colby Pearce comes to mind ... just fishing .. .
Re: Trek TTX is Faster Than the P3C [klehner]
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Re: Trek TTX is Faster Than the P3C [rmur]
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Re: Trek TTX is Faster Than the P3C [Andrew Coggan]
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What do you find most interesting about the.019? Do you think that's low for Levi (I don't), or that they haven't tested any male athletes lower? He's pretty damn small. The only guy I can think of who's smaller (your arch enemy Kirk), and I wonder if he's even been to the tunnel.
Re: Trek TTX is Faster Than the P3C [roady]
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On first mention, the fact that it was reported to be the lowest measured at San Diego.
On second mention, the fact that they felt it necessary to specify male athlete.
In any case, it doesn't surprise me at all that Leipheimer's CdA is around 0.19 m^2.
Last edited by:
Andrew Coggan: Oct 10, 07 10:45
Re: Trek TTX is Faster Than the P3C [Tom A.]
[ In reply to ]
"Non est ad astra mollis e terris via." - Seneca | rappstar.com | FB - Rappstar Racing | IG - @jordanrapp
Re: Trek TTX is Faster Than the P3C [Andrew Coggan]
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err .. thinking of a 'low aero drag' male candidate .. that's all ..
Re: Trek TTX is Faster Than the P3C [Hamner]
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"Non est ad astra mollis e terris via." - Seneca | rappstar.com | FB - Rappstar Racing | IG - @jordanrapp
Re: Trek TTX is Faster Than the P3C [Tom A.]
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Re: Trek TTX is Faster Than the P3C [Rappstar]
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As to why it matters...because when people go and buy a new bike, lots of people would rather spend the money on what is proven to be the fastest. They may not be right, but it definitely exists!
Re: Trek TTX is Faster Than the P3C [rmur]
[ In reply to ]
Colby's CdA is in that range even when using the set-up shown here:
http://www.cyclingnews.com/...ationals074/file0081
I wish I had the time to list all of the accomplishments, gold medals, podium places, and PR performances that are or could have been achieved with a 0.2% advantage.
I can think of a half dozen records on the track that were eclipsed or fell just short by a margin WELL below 0.2%
What was the total difference between Cadel and Levi in time in TTs in this year's TdF? Do you think Levi would like that 0.2%?
Another way to look at it, 0.2% is about a quarter mile over the course of a Ironman Bike course. Do you think the '06 results or at least the drama of the finish would change if you gave Macca that 1/4 mile leaving T2?
You can claim that it doesn't matter much, but once you concede that it does matter, there is no such thing as negligible, a difference by its very nature and being is important.
-SD
https://www.kickstarter.com/...bike-for-the-new-era
I can think of a half dozen records on the track that were eclipsed or fell just short by a margin WELL below 0.2%
What was the total difference between Cadel and Levi in time in TTs in this year's TdF? Do you think Levi would like that 0.2%?
Another way to look at it, 0.2% is about a quarter mile over the course of a Ironman Bike course. Do you think the '06 results or at least the drama of the finish would change if you gave Macca that 1/4 mile leaving T2?
You can claim that it doesn't matter much, but once you concede that it does matter, there is no such thing as negligible, a difference by its very nature and being is important.
-SD
https://www.kickstarter.com/...bike-for-the-new-era