So this dude Young... is his Modulus a single or double TT? My unscientific observation is that I've ridden my wife's Stumpy in 1985 and in 2012... I can't feel any difference in how the frame flexes.... Still rides great.
Bobby "Materials Science NOT my bag" Birmingham On Mar 15, 4:26 pm, William <tapebu...@gmail.com> wrote: > I associate sagging leaf springs with plastic deformation and creep, not a > reduction in Young's Modulus. Materials Science wasn't my major, though. > The only studies I've seen that show Young's Modulus declining over time > is at really high temperatures. > > > > On Thursday, March 15, 2012 12:22:37 PM UTC-7, z-man wrote: > > > If that were the case then steel leaf springs would always return to > > their original shape even after years of use. If Jan were able to to > > a before and after laser check of his 120,000 mile frame, he might be > > surprised. > > > RGZ > > > On Thu, Mar 15, 2012 at 12:25 PM, William <tapebu...@gmail.com> wrote: > > > OK, that's not a direct quote. He didn't say that specifically, but in > > > today's blog post, Jan does debunk the notion that steel frames "go soft" > > > with use. They don't. You can't break in a steel bike and make it get > > more > > > flexible for comfort and planing, and you can't wear out a steel frame in > > > terms of stiffness. It doesn't get flexier with use. You might break it > > > with use, but you won't make it flexier. Good read and uncontroversial > > for > > > many of us, but definitely counter to the popular notion in the cycling > > > community in general. > > > >http://janheine.wordpress.com/2012/03/15/frames-going-soft/ > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "RBW Owners Bunch" group. > > > To view this discussion on the web visit > > >https://groups.google.com/d/msg/rbw-owners-bunch/-/TBsdp3jPkTcJ. > > > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > > > To unsubscribe from this group, send email to > > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > > For more options, visit this group at > > >http://groups.google.com/group/rbw-owners-bunch?hl=en. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bunch@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
