The following tables cover the standard practice for various turnouts, as formulated for select rails up to and including 100 lb, as approved by the American Standards Association. These standards were submitted to the American Standards Association by the American Mining Congress. The recommended and approved practices are generally referred to as "American Mining Congress Standards." Kimes Steel & Rail, Inc. does not provide engineering or design services, please consult with an appropriate engineer for your particular application.
TURNOUT DATA FOR 42-IN. GAGE
(AMC Standard Gage For Mines)
LIGHT RAIL - 20-lb to 60-lb A.S.C.E. rail, inclusive American Mining Congress Standards
Frog Switch Actual Lead Closure Rails
No. Angle Type Rail Size Length Angle Point Heel Curved Radius M.O. Length Straight Length
2 28⁰04'21" Cast 20-40 3'6" 6⁰19'20" 3/8" 5" 12'7" 22'0" 5-5/8" 9' 1-1/2" 8' 6-1/4"
W.P.F 20-30 3'6" 6⁰19'20" 3/8" 5" 12'7" 22'0" 4-3/4" 8' 3-1/4" 7' 8"
W.P.F 40 3'6" 6⁰19'20" 3/8" 5" 12'7" 22'0" 4-1/2" 8' 0-1/4" 7' 5"