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[quote user="artschlosser"] .................................And the frog of an R1 LGB switch?  The entire switch is 300 mm long and curves 30 degrees. The distance from the points to the frog is about 239 mm, and using the diameter of the outer rail for computation yields an answer of 22.58 degrees.   Mighty sharp. Art  [/quote] To be precise the frog angle at point of intersect is 21.919º for the R1 (600mm) 15.757º for the R3 (1175mm) 11.249º for the R5 (2320mm)  ER
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