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Old 11-29-2012, 09:23 AM   #26266
RxZ
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Due to holidays and life in general, I have not ridden in about 2 weeks.

I am going to try my best to get away from work with enough time to ride today....
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Old 11-29-2012, 09:57 AM   #26267
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Quote:
Originally Posted by RxZ View Post
Due to holidays and life in general, I have not ridden in about 2 weeks.

I am going to try my best to get away from work with enough time to ride today....
Me too. Damn cold here too...
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Old 11-29-2012, 10:09 AM   #26268
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Quote:
Originally Posted by Aurelius View Post
Everything these days is designed and load tested by computer, using sophisticated software like Pro-E, Solidworks, Catia, etc. So I don't see why a small company would be turning out better engineered products than industry giants like Trek. Especially since the big companies have a lot more resources to enlist during development and testing.
It costs them money to get it perfect. They weigh this against how many will actually break. If getting it "right" is cost prohibitive, they release a flawed product. Small companies can not afford to do that.....

It is the corporate way, always has been.
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Old 11-29-2012, 10:25 AM   #26269
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Quote:
Originally Posted by Aurelius View Post
That's even stranger, because the top tube has to cope with compression forces coming from both ends, so the last thing an engineer would want is to flatten its cross-section, which would only make it that much more susceptible to buckling.
The toptube is dealing with compression and lateral twisting. Flattening it would make it more resistant to twist. In order to buckle it, one would have to overcome the joints and downtube. I'd be more apt to blame some other failure, before the shape of the toptube. Keep in mind, flattened toptubes are most commonly found on road and 'cross bikes.

Quote:
Originally Posted by Aurelius View Post
I sometimes ride with a bike shop owner who happens to be the Niner dealer in my area, and I've seen just that kind of top tube failure on his CF bike. That one was a Scott HT though. He now rides a FS Niner. On his last ride, the CF seat post broke in two.
Scott is known for pushing the limits of lightness. I'd never consider their MTBs.

As for the seatpost, Niner is pushing the limits of flex in their seatpost design. Obviously, they've went a bit far and will warranty failures. You may find this video interesting, too.

I've met that shop owner. He's a good dude.

Quote:
Originally Posted by Aurelius View Post
Everything these days is designed and load tested by computer, using sophisticated software like Pro-E, Solidworks, Catia, etc. So I don't see why a small company would be turning out better engineered products than industry giants like Trek. Especially since the big companies have a lot more resources to enlist during development and testing.
Because of numbers. The big companies can have far more failures, before they care. The smaller companies are making a name for themselves and realize they can only do that with their reputation.

Research: Intense, Santa Cruz, Banshee, Foes, Norco, Rocky Mountain, Nukeproof, and there are a bunch more. These are all smaller companies that many on the trail have never heard of, yet, they build stuff that'll compete with the Treks/Cannondales/Specializeds of the world.
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Old 11-29-2012, 10:28 AM   #26270
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Originally Posted by Aurelius View Post



Somebody should make up some large Smartphone Dork Racing League Champion stickers for the back of your cage so that others know who they're dealing with when you park at the greenway or trailhead. Let's not stop there with a half assed effort. Inmate Hayduke could screen print some Tshirts with "You just got passed by Aurelius Dick Waver Extraordinaire" on the back.
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Old 11-29-2012, 10:51 AM   #26271
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Hmm. Just sayin' some folks might need one of these two:



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Old 11-29-2012, 10:52 AM   #26272
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Originally Posted by Aurelius View Post
Well the nice UPS man just delivered my new bicycle work stand. But since I only paid $50 for it, I won't be telling any of you snobs what it is.
I think I prefer the term "Elitist".
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Two roads diverged in a wood, and / I took the one less traveled by, and / now where the hell am I?

This isn't a "you're doing it wrong" topic. (Originally Posted by Human Ills, 7/1/14)
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Old 11-29-2012, 10:52 AM   #26273
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Originally Posted by Mercury264 View Post
Me too. Damn cold here too...
You guys don't even KNOW what cold is! Last weekend I went riding in 69F. I swear there were ice crystals forming on my skin only minutes into the ride. I was lucky to have made it back alive.
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Old 11-29-2012, 11:03 AM   #26274
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Does anyone else use phone tracking and Google maps to track their routes?

I/we do it every now and then because it's always fun to see how much climbing was done, speed, grade, moving time, etc.
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Old 11-29-2012, 11:05 AM   #26275
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Quote:
Originally Posted by fullmonte View Post
Somebody should make up some large Smartphone Dork Racing League Champion stickers for the back of your cage so that others know who they're dealing with when you park at the greenway or trailhead. Let's not stop there with a half assed effort. Inmate Hayduke could screen print some Tshirts with "You just got passed by Aurelius Dick Waver Extraordinaire" on the back.


Love IT
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Old 11-29-2012, 11:56 AM   #26276
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Originally Posted by ducnut View Post
The toptube is dealing with compression and lateral twisting. Flattening it would make it more resistant to twist.
No, you've got things exactly reversed. Flattening the top tube would make it LESS resistant to torsional loads. See 2.4: 'Selection of Shapes for Torsional Loading'

https://engineering.purdue.edu/~ahva...sion_Guide.pdf

Quote:
Because of numbers. The big companies can have far more failures, before they care. The smaller companies are making a name for themselves and realize they can only do that with their reputation.

Research: Intense, Santa Cruz, Banshee, Foes, Norco, Rocky Mountain, Nukeproof, and there are a bunch more. These are all smaller companies that many on the trail have never heard of, yet, they build stuff that'll compete with the Treks/Cannondales/Specializeds of the world.
I don't doubt that smaller companies can build products of equal quality, but because the 'formula' for designing the most efficient frames has been so thoroughly explored and refined, and because so much of the design and testing is done using the same software, one manufacturer shouldn't end up with markedly different results than another.
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Dizave opined: Why do you care where the premises come from? They are above reproach. For all intents and purposes, you can just make up all your premises, since they can't be proven anyway. That's why we need premises.
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Old 11-29-2012, 12:07 PM   #26277
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Originally Posted by fullmonte View Post
Inmate Hayduke could screen print some Tshirts with "You just got passed by Aurelius Dick Waver Extraordinaire" on the back.


I like the concept, but no one will have time to read it. A more elegant solution might be to issue KOM 'crown' patches that riders could sew onto their t-shirts. That way, if I see someone approaching me with fifty yellow patches on his shirt, I'll know it's Donnie Harries and get the hell out of his way.
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Dizave opined: Why do you care where the premises come from? They are above reproach. For all intents and purposes, you can just make up all your premises, since they can't be proven anyway. That's why we need premises.
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Old 11-29-2012, 12:17 PM   #26278
mud
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Quote:
Originally Posted by Aurelius View Post
I don't doubt that smaller companies can build products of equal quality, but because the 'formula' for designing the most efficient frames has been so thoroughly explored and refined, and because so much of the design and testing is done using the same software, one manufacturer shouldn't end up with markedly different results than another.
They are still learning with carbon. They (big companies) are constantly trying to cut cost as well, which tends to fuck things up with carbon....

Keep in mind most carbon frames are not actually made by the company that puts the stickers on. There are only a few manufactures making most of the frames.
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Old 11-29-2012, 12:32 PM   #26279
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Here is a little inspiration to work on something besides lap times....

White Balance on Pinkbike

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Old 11-29-2012, 02:36 PM   #26280
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Quote:
Originally Posted by Aurelius View Post
You guys don't even KNOW what cold is! Last weekend I went riding in 69F. I swear there were ice crystals forming on my skin only minutes into the ride. I was lucky to have made it back alive.
Wasn't too bad (but I really do need some better gear) and a cold ride in New England is still better than any ride in Florida
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