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MTH Challenger Scale Wheels vs Hi Rail Wheels??

BigBoy4014BigBoy4014OGR Forum Member

I am seriously considering buying an MTH Challenger PS3 grayhound with yellow stripping. I would like to get the scale wheels but I mostly have hi wheel steamers that will be running on Scaletrax and I have gathered that I can run scale wheeled locos on scaletrax.

 

I need to know what the differences are between the scale and hi rail versions. I have one MTH Scale wheeled French loco 2-3-1 and I love it. Of course I know the scale wheel Challenger has the scale wheels, no traction tires but what I do not know is why the recommended curves between the two versions are different? what does MTH do to make the scale version require larger curves and why? is it flanges? Can you please tell me what are the differences between the two?

 

Also, is the tender correct on the Grayhounds? any "major" scale mistakes that MTH did on this model?

 

I really appreciate your constructive responses....

Last edited by BigBoy4014
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AGHRMattAGHRMattOGR Forum Member SUPPORTING MEMBERMEMORIAL SUPPORTER

The big thing is that all the drivers have flanges and there's the issue of the centipede tender. I've heard that the Big Boy can negotiate 36" radius (O-72) but I'm not sure how much the tender will struggle with that. The flanges are smaller and WILL find any bad track laying you have.

 

You will likely have some issues with curved turnouts (O-72) -- the #4 and #6 turnouts would have fewer issues as they're straight going through the frog. There will be some wheel-bounce going through the frogs because of their width.

 

I have a scale-wheeled ATSF Hudson which has larger drivers and a longer driver wheelbase than the Challenger and it works pretty well on the club layout (Gargraves track). It did find some areas with bad track (kinks, out-of-gauge) which we fixed.

 

Overall, you'll should be very happy with the appearance and if your track work is good you shouldn't have problems with its operation. Just check out your layout first.

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