I don't have aby problems with AM wheelsets, except for some that weren't mounted square on the axles and caused binding with the newer AM sideframes. I therefore stick with them choosing not to fix somkething that works, at least in my circumstances. I just make sure they are gauged properly.
boB Nicholson _________________________________________________ --- In [email protected], "Roger Nulton" <roger.nulton@...> wrote: > > Will, > > The NWSL wheelsets are solid nickel silver, which doesnât collect crud from > the track as the old AM sintered iron wheels did. I donât know what Ron is > using now. > The main reason that I change out the AM to NWSL is that the flanges are > deeper than the NASG standard, so they bump through my frogs. Very annoying! > I use code 110, as probably most would. Iâd be surprised if NWSL does not > still make them. Maybe a query would be in order here. > > Roger Nulton > > From: wsquinn > Sent: Sunday, March 17, 2013 7:10 AM > To: [email protected] > Subject: {S-Scale List} Low speed worm for AM diesels and related questions > > > Hello group, > > I have three questions regarding upgrades to the American Models GP > mechanism. > > First question is about the low speed worm that is available from AM: will it > work with older AM GPs? I had assumed that it would work on all AM diesels, > but when I called Ron at AM and asked this question (noting that all of my > GPs were purchased prior to 2000), he said the low speed worm would probably > work in older locomotives, but that it might make them a bit noisy. He made > reference to the helical worm gear used in the older drives being a factor. > > I'll be giving AM another call for some clarification, and probably will buy > a couple of low speed worms to try out. It seems that if in fact different > types of worm gears were used at various times in the production of these > models, then the replacement worm would be well suited to one type, but not > the other(s). Does anyone here know if the worm gears are different in older > and newer models, and whether or not the low speed worm will perform properly > in an older unit? > > Next question: Are U -joint drives preferred over the pen springs supplied > with some of these models? I have both types, and the pen spring drives seem > to work okay, but I suspect there could be some benefit to replacing them > with the more conventional U-joint drives such as those available from AM. > > Just one more question (for now), regarding the NWSL replacement geared wheel > sets for the GPs: They are only available now with code 88 wheels. As far as > appearance goes the wider treads on the AM (scale) stock wheels don't concern > me, and they seem to roll along on code 70 track without bumping on spike > heads or anything like that despite the slightly deep flanges. I assume that > the main advantage of the NWSL replacements is appearance, but I may be > overlooking something. I would appreciate any assistance you can provide to > me. Thanks. > > Will Quinn > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
