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PostPosted: Sun May 27, 2012 8:18 am 
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Location: Slovenia---that forest land
Ritcey was winner, ENVE almost the worst. What do you think?

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PostPosted: Sun May 27, 2012 8:24 am 
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Can you provide us with a link to the test? Or list the testing criteria and the scores for each wheel?


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Posted: Sun May 27, 2012 8:24 am 


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PostPosted: Sun May 27, 2012 12:42 pm 
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Location: Slovenia---that forest land
from Slovenian forum (http://www.bicikel.com/forum/39371/):

www.imagebanana.com/view/dtt3t22n/1.jpg

www.imagebanana.com/view/k2o6hbue/2.jpg

www.imagebanana.com/view/ux64htkz/3.jpg

www.imagebanana.com/view/kweuseyg/4.jpg

www.imagebanana.com/view/weenwoyw/5.jpg

www.imagebanana.com/view/s4yb56jo/6.jpg

www.imagebanana.com/view/n8a25bmn/7.jpg

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PostPosted: Sun May 27, 2012 7:13 pm 
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kavitator wrote:
Ritcey was winner, ENVE almost the worst. What do you think?

Now I'm confused. This scan http://www.imagebanana.com/view/s4yb56jo/6.jpg has Lightweight Meilenstein C down as winner with a score of 2.0. Cf http://www.imagebanana.com/view/n8a25bmn/7.jpg with the Ritchey scoring 2.4.

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PostPosted: Sun May 27, 2012 7:35 pm 
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Location: Slovenia, LJ
They were tested as allround wheelset, so I guess LW is kind of a different winner. Dont speak german so cannot tell for sure.

I believe, that Lw wins overall, and Eurus was the fastest wheel on different courses?

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Last edited by fiti on Sun May 27, 2012 8:12 pm, edited 1 time in total.

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PostPosted: Sun May 27, 2012 7:52 pm 
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Location: it's raining, it must be uk
this similar tour test (aero wheels) might help interpret some info on the above page copies - it's in english, there's at least one wheel common to both

http://www.tour-magazin.de/services/qtr ... 7.html#/96


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PostPosted: Sun May 27, 2012 8:42 pm 
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Posts: 850
very strange results


campy eurus with fat aluminum spokes and boxy rim tested better than bullet 50. how is the possible ???


aero drag 45km

3T LTD =359.40W
ENVE SES =360.80W
Campy BULLET =358.40W
ZIPP 303 =361.50W
Campy EURUS = 354.60W

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PostPosted: Sun May 27, 2012 9:37 pm 
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Location: Russia, Moscow
Zipp 303 aero test was done with 27 mm tires, while all other used 23 mm. WTF?


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PostPosted: Mon May 28, 2012 3:12 am 
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Location: Los Angeles / Glendale, California
Clearly we need someone to translate the review for us!

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PostPosted: Mon May 28, 2012 11:37 am 
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Joined: Mon Oct 12, 2009 6:36 pm
Posts: 246
Let me try to summarize the article:

The wheels were tested on:
25% - Aerodynamics: wheels were put into a Canyon F8 (big ole round tubed bike) with a dummy on top of it. The power needed to go 45 km/h was averaged over five different yaw angles (0, 5, 10, 15 and 20). This includes rolling resistance from the tires (see first note).
20% - Gewicht - Weight. Surprises me that this isn't more important than aerodynamics, weight is usually one of the most important factors for the Tour team.
20% - Bremsen - Braking. All aluminum rimmed wheels get the maximum score here, only the 3T's have a perfect score as well.
10% - Seitensteifigkeit - Stiffness. Deflection of the wheels from side-to-side was measured.
5% - Rundlauf - freely translated this means how round the wheel is, or how well the wheel rolls. This is based on how well trued the wheels are.
5% - Beschleunigung - acceleration, the energy needed to go from 0 to 30 km/h. This is the number in Joules after the wattage at the top.

Notes:
  • The watt number in the product overview pages includes rolling resistance from the tires! Wheels were tested with GP4000S, except for the Mavics (Mavic Yksion), the tubeless (Hutchinson Fusion), the tubular wheels (Conti Competition 22mm) and the Zipp 303's (27mm Paris-Roubaix tubulars). Graph on image 4 shows the differences in rolling resistance (not very big).
  • The Zipp 303 was tested with the 27mm Paris-Roubaix tubes since "they are advertised as wheels for bad roads" and they test them this way "because the pro's also ride them this way".
  • The graph in image 3 the difference in watts to Zipp 808s is shown for both the Canyon F8, and to the Speed Concept. The speed concept was always equipped with a HED disc wheel, so only the difference for the front wheel is shown. (shallow section rims perform relatively a lot worse in the Speed Concept, so there is a clear interaction between (aero) frame/fork and (aero) wheels). The test scores are based on the Canyon though...
  • The jury thought the 3T wheels rode very nervously in sidewind situations.

Anything else not clear, please let me know.


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PostPosted: Mon May 28, 2012 11:45 am 
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Location: Slovenia, LJ
@daj

thank you for explanation.

Is it possible for you to summarize a results on ENVE 3.4?

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PostPosted: Mon May 28, 2012 11:59 am 
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Posts: 246
Well, they don't really mention the Enve's a lot in the article. You can see the test results on this image. The text underneath says:
"Bold, light and allround. Good riding impression save for the weak rear wheel. Expensive."


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PostPosted: Mon May 28, 2012 12:32 pm 
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Location: Slovenia, LJ
@daj
thank you.

ENVE received quite a bad score on stiffness (2,7 front, 3,7 rear) and truing (3,0). Can we conclude that rims were just not properly build?

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PostPosted: Mon May 28, 2012 1:49 pm 
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Posts: 246
That's quite possible, I don't know whether the wheels were built by a machine or by hand by a true wheel genius. The latter doesn't seem likely with those scores, though.


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Posted: Mon May 28, 2012 1:49 pm 


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PostPosted: Mon May 28, 2012 6:44 pm 
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Joined: Mon Apr 05, 2010 4:14 pm
Posts: 243
Some of them are built on DT 240s..... crap rear angles?


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