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Stupid People And Cheap Carbon Rims



 
 
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Old December 16th 18, 05:48 PM posted to rec.bicycles.tech
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Default Stupid People And Cheap Carbon Rims

On Saturday, December 15, 2018 at 3:00:06 PM UTC-8, jbeattie wrote:
On Saturday, December 15, 2018 at 10:42:25 AM UTC-8, wrote:
On Friday, December 14, 2018 at 2:58:24 PM UTC-8, jbeattie wrote:
On Friday, December 14, 2018 at 10:38:04 AM UTC-8, wrote:
On Thursday, December 13, 2018 at 8:23:22 AM UTC-8, jbeattie wrote:
On Thursday, December 13, 2018 at 2:57:06 PM UTC, wrote:
https://www.bing.com/videos/search?q...8&&FORM=VDRVRV

Is this supposed to be vindication for a bad choice? Note that the 38mm tubeless set is four times what you paid for your wheels. https://www.yoeleobike.com/ https://www.yoeleobike.com/disc-brak...-c38-road.html It also comes with DT hubs, making it a good value. The daily sale aluminum/carbon wheels with no-name hubs are still more than twice what you paid. https://www.yoeleobike.com/carbon-al...lset-50mm.html

Moreover, Yoeleo has made an effort to legitimize itself with a plausible web-presence, claimed UCI "approval" and other hallmarks of a legitimate business. We know nothing about your $250 FleaBay purchase. Who made your wheels that, by the way, exploded. The issue is not the fact they were manufactured in China. My Emonda SLR was made in China -- it just wasn't some POS knock-off with an unknown pedigree.

-- Jay Beattie.

Tell us Jay - do you use carbon wheels? Or do you as seems to be normal here criticize other people's choices? You have already given us the idea that you live on the hill in a gated community and don't even pay any attention to the town you supposedly call home.

A have some Dura-Ace C35 carbon/aluminum but no pure carbon wheels which I think are a poor choice for a rim brake bike in a wet climate.

BTW, there are no gates in my community, although I do live on a hill -- along with most other people who live in close-in west Portland. I am solidly middle-class and so is my neighborhood -- and actually kind of ratty around the edges.

I see no footprint for Tom Kunich. No patents at the USPTO. No published scientific literature on LEXIS/Elsevier/Medline. No publications on Amazon. Gawd, even I have stuff on Amazon (thankfully out of print). No public office. No professional associations. All of your claims about being the great scientist and engineer, there is no hint of your existence except your own internet forum posts. You are basically invisible, yet everyone else is an idiot. If you want to know about my professional and civic involvement, just Google me. These make me feel good: https://www.thestreettrust.org/2015/...e-1995-heroes/ https://www.huffingtonpost.com/rex-b...b_3861490.html You can even get a writing sample: https://www.cocklelegalbriefs.com/wp...df-Beattie.pdf Before being critical, Andre should understand that a cert petition is a peculiar type of writing unrelated to ordinary English prose.
So, Tom, feel free to post the links to your science and engineering achievements -- that you did not write.

-- Jay Beattie.


Jay, if you've never had pure carbon wheels what would you know about their braking power? Mine have about the same and the brake pads are less effected by wet. In fact on the ride I went on Thursday it drizzled on me during rollers and I never even noticed any change in braking.

I have come to believe that perhaps disks are the way to go because carbon rims will mechanically last forever.


My son has pure carbon wheels, that's how. I've logged a lot of hours riding with my son up and down the canyons in the Wasatch Mountains and the usual local stuff. He complains about the price of brake pads, poor breaking in the wet and problems overheating on long downhills, of which he saw many riding for the University of Utah. Go Utes!

-- Jay Beattie.


The brake pads do wear rapidly. This is opposed to the aluminum rims wearing rapidly at the usually higher friction and heat from the rubber pads. I had this argument elsewhere and showed them that aluminum rims have either a groove around the perimeter of the rim of small dots that are supposed to show the limits of wear for aluminum rims. These are almost universally ignored until major rim failures occur and then the manufacturer is condemned for making an inferior product.

I have had absolutely no difference from braking in the dry and during short bursts of drizzle.

And I have not had overheating problems like I do on aluminum rims which hold a great deal more heat energy from braking than carbon fiber rims do. I often do miles long high speed descents with necessary braking on hard turns. The aluminum rims are not stiff enough and require a great deal more care in the turns than my full carbon rims so my descents are much safer with the CF rims.

At the moment there is still the quality control problem with anything CF made by any manufacturer. Even the sonic testing method have proven unsuccessful and this will have to be solved. This is why most of these manufacturers have reverted to aluminum rims with CF fairings.
 




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