MIL-HDBK-1005/6
) = Circular offset from tangent
X = X coordinate of position, measured from entry end of switch
R = Radius of curvature
2
= Central angle of arc
2 = sin-1 X
R
) = R - R(cos 2)
2.2.5.3
Linear Offset Computation.
Variable Definitions:
b = Desired distance between rail centerlines at entry end of
tongue.
Y = Vertical offset
Y = ax + b
At X = 0, Y = b
At X = L, Y = 0
Solve for constant -a compute each required offset -Y.
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