Reply to "Help with RRTrack"

The Ross O72 curve components are set at 22.5° of arc, except for the through of the O72/O54 curved switch which is about 26. 6° of arc. The custom curve should be close to 18.4° of arc - cut out of the 22.5° factory curve.

Measuring a straight line end to end on the outside rail would be ~ 11.75" long, give or take a couple of tenths.

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

www.ogaugerr.com
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