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Old 11-29-2012, 07:25 AM   #26146
Chisenhallw
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Generalize much?
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Old 11-29-2012, 07:42 AM   #26147
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Originally Posted by Chisenhallw View Post
Generalize much?
I'm done
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Old 11-29-2012, 07:43 AM   #26148
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Originally Posted by ducnut View Post
I've yet to see a CF toptube that didn't compress upon pinching. Furthermore, tube shape has a lot to do with the ability to do that; flat-sided shapes are more susceptible to it.
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. 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.

Quote:
There are always going to be some model, from some manufacturer, that is going to have a structural issue (Gary Fisher Hi-Mod is an example). However, knowing the reputation of Niner (a small, dedicated company), that's highly unlikely, with their stuff.
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.
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Old 11-29-2012, 07:45 AM   #26149
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Originally Posted by Mercury264 View Post
I'm done
You were done before you started.
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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, 07:46 AM   #26150
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You were done before you started.
Nope.
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Old 11-29-2012, 07:47 AM   #26151
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Yeah you're done alright.

Go ahead, get that last word in.
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Old 11-29-2012, 07:54 AM   #26152
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Originally Posted by Chisenhallw View Post
Yeah you're done alright.

Go ahead, get that last word in.
In
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Old 11-29-2012, 08:02 AM   #26153
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I'm done



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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, 08:23 AM   #26154
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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, 08:57 AM   #26155
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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....
Me too. Damn cold here too...
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Old 11-29-2012, 09:09 AM   #26156
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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, 09:25 AM   #26157
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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, 09:28 AM   #26158
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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, 09:51 AM   #26159
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Hmm. Just sayin' some folks might need one of these two:



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Old 11-29-2012, 09:52 AM   #26160
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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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