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Reply to "Adding sprung drivers to an All Nation 4-6-0"

When Babbitt bought the AN line, they converted the mechs to sprung frames.      They also put in enclosed gear boxes.    BTS owns the line now, and has announced it is up for sale.

A Rigid frame loco will make more noise going a switch depending on the switch and the loco weight in my opinion.     The heavier the loco, the more likely to make noise when hitting  a gap in the rails.     Switches have a built in gap at the frog.    On some there is a wider space for the opposing flangeway than others.     I use Old Roco Switches and some locos make more noise than others on these.     ON my handlaid switches with tighter  specs for the frogs and flangeways, and generally stuff is quieter on these.  

Also if a loco is nose heavy, it will dip when it hits that gap and make a clunk.   If it is balanced and has a long wheel based, it will span the gap without dipping in.  

NOW, if gap is wide enough, a sprung driver will also drop in, and then clunk coming out.

So springing the drivers will not compensate for bad track work in my opinion.    It may help some to quiet the running, but not a catch-all.

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

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