He was there till 1994 IIRC. Best,
~Hugh On Sun, Dec 1, 2013 at 6:05 PM, Tom Virgil <tevir...@gmail.com> wrote: > Come to think of it, I could do the trigonometry for a given bottom > bracket height and crank arm length and see how much more "lean" one gets > out of a lower q factor. Not that my aging carcass needs it. > > Did a bit of searching and found the 1991 Bridgestone > catalog<http://www.sheldonbrown.com/bridgestone/1991/pages/bridgestone-1991-13.htm>talks > about it but doesn't do the math. Wonder if Grant was around there > for that. > > Thanks, > > Tom > > > On Sunday, December 1, 2013 5:52:21 PM UTC-8, Tom Virgil wrote: >> >> Thanks, Scott. I found the Andel >> <http://www.andel.com.tw/products/products_show.php?language=_eng&pid=3&cid=18> >> site. >> >> I also found Origin8 and TA cranksets that have the look. The TA >> Cyclotourist Pro 5 VIS >> >> >> <http://www.renehersestore.com/catalog/TA%20172.5%20arm%20and%20bb%20combo.JPG> >> >> but at around $440 for just the arms and spider, it comes pretty dearly. >> >> The IRD can be had for around $170 >> here<http://smartbikeparts.com/cart.php?action=add&itm_id=SBP28693&continue=search_details.php%3Fitm%3DSBP28693+6195073090> >> which >> is competitive with the Sugino Alpina. The IRD has a better q-factor (140 >> mm versus 159 mm) but I am not very sophisticated about what q-factor means >> to me or how it affects me. The immortal Sheldon Brown gives a plausible >> case for q-factor, or tread: >> >> The tread, or "Q factor" of a crankset is the horizontal width of the >> cranks, measured from where the pedals screw in. The wider the tread, the >> farther apart your feet will be. It is generally considered a good idea to >> keep the tread fairly narrow. There are three main reasons for this: >> >> >> - The hip joint is optimized for walking, and in normal walking the >> footsteps are pretty much in line, with little or no "tread." >> - For standing pedaling, the farther out the pedals are from the >> centerline, the harder you have to pull on the handlebar to >> counterbalance >> the tendency of the pedaling force to tip the bike sideways. >> - The wider the tread, the higher the bottom bracket needs to be >> to prevent clipping a pedal while pedaling through a turn. >> >> 19 mm difference is between 5/8 and 3/4 of an inch. I have never really >> had cranksets with different q factors side by side, but I have clipped a >> pedal and flipped a bike. So I am somewhat programmed to agree smaller >> might be better. >> >> Thanks, >> >> Tom >> >> >> >> >> >> On Sunday, December 1, 2013 4:45:24 PM UTC-8, Scott G. wrote: >>> >>> They are Andel cranks. >>> >>> http://www.andel.com.tw/products/products_show.php? >>> language=_eng&pid=40&cid=18# >>> >>> >>> -- > You received this message because you are subscribed to a topic in the > Google Groups "RBW Owners Bunch" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/rbw-owners-bunch/d0o8OPJP0G4/unsubscribe > . > To unsubscribe from this group and all its topics, send an email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > Visit this group at http://groups.google.com/group/rbw-owners-bunch. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/groups/opt_out.
