railwaymad's blog

Scissors crossing

Sat, 2010-03-13 10:02 — railwaymad

This is IT!  It all started with "I wonder if I can build a curved scissors....."  Details are:  Main lines are 66 inch and 68 inch nominal radius; turnouts with straight road are 66 inch nominal radius with a frog angle of 7.5 degrees (approx # 8); curved turnouts are nominal 68/36 inch radius with theoretical frog angle of 8.1 degrees (approx # 7) diamond crossing has two curved roards of nominal radius 36 inch.  Rail is code 100 and ties are 1/16th inch PCB


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