It seems like he did the best he could to be unbiased. I cannot imagine doing this starting out with a particular result in mind. I think the results are valid. Jim > Date: Tue, 14 Dec 2010 07:15:01 -0800 > Subject: [RBW] Re: A blinding glimpse of the obvious...... > From: mkah...@gmail.com > To: rbw-owners-bunch@googlegroups.com > > Do you think some unintentional bias was causing him to ride harder on > the steel bike in order to keep the same time? If so, it was > remarkably consistent over the course of 56 rides and nearly 1500 > miles. > > Commuting with stop signs would give the lighter bike an even bigger > advantage than in sporting riding/racing as you would have 0-25 mph > acceleratons instead of 20-25 mph accelerations. > > If carrying an extra five pounds of luggage on both the commuter bike > and the racing bike makes the racing bike advantage moot; what does > that say about plopping a 150 lb rider into the saddle? Moot x 30? > > Michael Kahrl > > On Dec 14, 9:20 am, "Bill M." <bmenn...@comcast.net> wrote: > > The article leaves many unanswered questions. How much did he carry > > on his commute, how often did he need to stop, were there hills to > > climb, did he monitor his efforts by heart rate to screen out > > unintentional bias, was he trying to ride to the same perceived effort > > or the same speed? What tires were on each bike? > > > > The upshot is that lightweight bicycles are in their element in > > sporting riding/racing where weight can make some difference, not > > commuting where stop signs and luggage make a couple of pounds on the > > frame moot. Different horses for different courses. > > > > Bill > > > > On Dec 14, 3:27 am, George Millwood <george.millw...@bigpond.com> > > wrote: > > > > > > > > > It is so nice when scientists use their lesiure time to enlighten the > > > public > > > > >http://www.smh.com.au/executive-style/fitness/in-cycling-its-a-case-o... > > > > > In our case it is preaching to the converted but it is still nice to > > > see it in print. > > > > > George Millwood > > > Atlantis No 93 > > > Wollongong Australia > > > > > Yes, I have left the great metropolis of Sydney and relocated to the > > > coastal city of Wollongong. This is the steel making heart of > > > Australia but thanks to closed hearth furnaces it is now but a > > > different skyline. I now live one and a half blocks from a couple of > > > glorious beaches and enjoy a coastal cyclepath that gently winds along > > > the cost past rockpools, the aforementioned steelworks and golden > > > sands that stretch for miles. You can look it up on Google Maps.- Hide > > > quoted text - > > > > - Show quoted text - > > -- > 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-bu...@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. >
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