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rec.bicycles.tech |
In article <4397232e$0$38640$742ec...@news.sonic.net>, > >> This from Sheldon Brown's Bentride Podcast (@ 8:50). No wonder > >> The mp3 file is available for d/l at Sheldon's website > > Actually I think the labor cost is insignificant...I'm pretty sure these > I recall one bicycle shop owner claiming that AL frames were actually Both materials exist at virtually all points in the market, from the --
SMS <scharf.ste...@geemail.com> wrote: I venture to guess that both types of frames are made both ways.
> Sheldon Brown wrote:
> > Luke wrote:
> >> manufacturing is a declining sector in North America! This can't be the
> >> total cost of production (stock and labor); does the figure apply to
> >> labor cost only?
> >> (http://sheldonbrown.com/podcasts/).
> > frames are built by robots...
> welded by hand, while steel frames were welded robotically. I don't
> believe that this is the case though.
cheapest department-store junk to signed-by-the-welder bespoke jobs. I'm
pretty sure the technology to robo-weld either material is available,
too. Aluminum is supposed to be a bit trickier to weld from what I hear,
but both materials require expertise when they are as thin as high-end
bicycle tubing.
Ryan Cousineau rcous...@sfu.ca http://www.wiredcola.com/
"I don't want kids who are thinking about going into mathematics
to think that they have to take drugs to succeed." -Paul Erdos