I want to buy a loco Trix model that it is offered with both wheel standards.Is there any difference in running quality or capability except the appearence?I use Tillig Ho code 83 track.
Should run on the track though I’m now not certain about wheel flange issues. The gauge is still the same.
I purchased some Athearn Genesis boxcars a couple of years back. They rolled on the rails just fine but they were “first run” and the wheels were plastic so I thought I could just pop in some P2K wheelsets…wrong! The P2K wheelfacew rubbed against the Athearn truck’s sideframes which really left me confused. I think it was Don Gibson responded, stating that I likely had NEM standard wheels which is Europeon. I did notice that the wheelface of the boxcar’s stock trucks looked similar to Rivorossi wheelfaces. If Don’s browsing the forum, he’ll likely chime in with some more info.
The Athearn cars that came afterwards had the NMRA specked trucks.
Get it with the NMRA RP25 wheel sets. The NEM flanges may not clear the spike heads on your code 83 trackage. BTW, the Tillig trackage is very nice. A friend is using it and I am very impressed!
Jim
NEM is a set of European standards, and not surprisingly use METRIC measurements. NMRA is a voluntary set of ‘recommended practices’ as guidlines for American Manufactureres to use. NMRA is also a voluntary group of modelers trying to get competing manufacturers on the same page, so one manufacturers products can be used with another’s - such as DCC. I do not know if NEM standards are voluntary also. Perhaps Our moderator can provide a more enlightened answer, aside from just locking topics. I DO know that NMRA wheel axles will NOT fit in NEM trucks - and vice versa -, and some European manufacturers switches do not conform to NMRA #4, #8, etc. US standards.
NEM is the European equivalent of our NMRA.
In general, NEM standards’ axles are shorter, (which is why the wheel faces can rub the sideframe of an “American” car. The NEM wheel flanges are taller and narrower and the tire tread is wider than NMRA standards, (similar to Lionel Hi Rail versus scale).
With code 100 track there shouldn’t be any problems, but with smaller rail sizes, like code 83, it is likely that the NEM wheel flanges will hit the spike heads.
Stick with NMRA standards’ wheels.
not what I heard for Code 83, The club I was in went 83 as it could still be okay with deep flanges.
But I was always filing flanges down on my rivarrossis.
I hated them anyways.
Rivarrossi even by design reduced the size of driver diameter to accomodate the larger flange
and actually the models were a tad larger than HO scale, ever so slightly.
go the NMRA rp25 route.
Thanks Don.
I winded up using Walther’s trucks and solved the problem that way.
Dimwitty,
I know what you mean. Yerars ago I was a New York Central nut before switching over to modeling southeastern U.S railroads. I was going to purchase an AHM ( part of the Rivorossi / IHC group) New York Central J3a streamlined Hudson. However, looking at those oversized wheel flanges turned me off and with a $198 sticker price, I decided it wasn’t worth it. I found out afterwards that the mechanism wasn’t that great either.
Ok i understand that.But what about running capabilities on the same track.Here in europe there are many manufacturers that produce tracks for DCC.So i believe that their Locomotives that they produce with NEM stadards (not the old ones)are capable to run to the same track that people buy in US from europian manufacturers.Am i wrong?