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Reply to "Hi-rail wheels and code 100 track"

@AmFlyer posted:

Tom, I did some more testing with AM wheels. Their flanges do not touch the ties when on code 125 rail, but they do just barely touch the top of the rail base where it meets the web. Were the rails spiked rather than glued the flanges would hit the spikes. The MTH wheels have smaller flanges than the AM wheels and are closer to a scale shape. These would clear spikes on code 125 rail. Based on the size of the gap the MTH wheels might not contact the ties with code 100 rail. I doubt they would clear any spikes.

It's interesting that AM has different profile Hi-rail wheels than SHS.  I guess I never looked that close.  The flanges I measured were .059" and that's why I thought they probably would run on .100" rail.  Not too surprised about the spikes on the .100" rail but on the .125", I am surprised.  The spike heads are a full .0625 high... that's 4 scale inch tall spike heads.  So much for rivet counting.

Anyway, I figure that Fox Valley could have scale turnouts which would allow Hi-rail operation if the flange ways were widened just 3/128".  But I suppose scale modelers would not go for it, still I think it would widen their market a bit.

Tom Stoltz

in Maine

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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