MIL-HDBK-1005/6
Table 1
Design Procedure
Inside Or
Control
Curve
Switch
(1)
Length of switch and number of compounding arcs
Par. 3.5
(fixed)
Figures 8
curve
Ls = 20.00 ft.
and 9
Ns = 1
(2)
Degree of curve and radius at both the T.S.C.
and S.C.T.
R = 300.00 ft.
D = 19E 5' 55"
(3)
Central angle
2a = 3E 49' 11"
Transition
(1)
Rmin, as established in "Main Circular Curve".
Par. 3.7
(flexible)
Figures 8
curve
Notes:
(1)
For two-rail portal crane, the radius is
and 9
to the centerline of the inside rail.
(2)
For four-rail portal crane, the radius
is to the centerline of the inside
track.
(2)
Number of intermediate arcs of equal length:
Figures 8
and 9
N = 10 (may be changed if necessary)
(3)
Degree of curve and corresponding radius for an
arc:
(Dmax & 19.0986E)
Dn ' Dn&1 %
N
5729.578
Rn '
Dn
Note: When n = 1, Do = Ds = 19.0986E
45
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