Let's try the profile view again. On Fri, Jun 26, 2020 at 6:42 PM Patrick Moore <bertin...@gmail.com> wrote:
> 31 miles with the AM hub -- the new 120 mm Surly wheel won't be built for > a couple of weeks yet, such is the work backlog in the nearby shop. But the > bike was wonderful with the AM hub which with the 48 X 19 drivetrain gives > 70" / 63" / 54" (overdrive / direct / underdrive). > > It has been a long time since I rode a SA freewheel hub, and I got > aquainted again with the "soft" feeling when you engage the hub through the > epicyclic gears; also, with the half-pedal-revolution takeup of the pawls. > Both would be annoying if one weren't familiar with these traits. > > It's very easy to swap cogs, and I have a collection of some 4 or 5. For > now, overdrive in my usual cruising gear is fine; the 63" is a nice lazy > gear, headwind gear, or slight uphill gear, but I may eventually make > direct the cruising gear and kick overdrive up to 79" as a tailwind gear, > and deal with the 61" low. *OR* I can add a second cog to the driver; say > 17 and 19, but we'll see. > > I generally dislike more than 5 gi difference in the cruising range, but I > consider this drivetrain as a ss drive with a lazy gear and a climbing > gear; that works! > > The big air between rear fender and tire is to accommodate a 40-45 mm > Pasela or Nachez Pass and about a 8 tooth cog difference -- there's about > an inch of usable space. I will probably add a link to get the axle toward > the middle of the slot. > > The trigger is nice and in a nice place. The entire system, except for the > shifter itself, is QR -- slip out the cable from the trigger, slip out the > cable from the housing stops, break the pull chain -- it has a very British > "most crude but very effective" indicator chain QR with a prong at top with > a tab that snaps into a hole in the bottom part. The wingnuts are original > issue SA and there is just barely enough axle threading on the left. But > they don't slip, at least not in the 200 or so miles I've put on them with > this hub and the earlier S3X. > > The parts swapped right over, which was the plan. Only, I had Shoe Goo'd > ball bearings into stem binder bolt allen socket and ditto for the sp > binder; Chauncey got the ball out of the stem bolt but neither of us could > get it out of the seatpost bolt, so I had to cut the bolt. I replaced the > ball bearings, but used wax this time. > > Fillet brazed, except for bilaminate construction at the seattube/top tube > junction. > > Only thing now to do, besides wait for the new fixed wheel, is clearcoat > the decals. > > Altogether, I am, as they say, "chuffed!" > > -- > > ----------------------------------------------------------------------- > Patrick Moore > Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum > > -- ----------------------------------------------------------------------- Patrick Moore Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/CALuTfgvSEPg3X5cwCnPoSUUdBRdafjJm5Rpt84t1oNDOPaS1mg%40mail.gmail.com.
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