Chapter 6: Stiffeners
Base Boots
Use the following information to determine the differences between the base boots.
Figure 6-5 Images of the base boots
Call Out Part Number Description Height Base Plate Size
A CTS–2121XX Base boot weldment for 16
through 9 Ga. base stiffeners
11.391 in.
(29 cm)
6 x 9 x 3/8 in.
(15 x 23 x 0.95
cm)
B CTS-2110XX Base boot weldment for 8 through
a laminated 2 Ga. with an 11 Ga.
insert
11.391 in.
(29 cm)
6 x 9 x 3/4 in.
(15 x 23 x 1.90
cm)
C CTS-2109XX Base boot for 2 Ga. laminated
base stiffeners with inserts from
10 through 2 gauges.
11.391 in.
(29 cm)
8 x 10 x 3/4 in.
(20 x 25 x 1.90
cm)
D CTS-2131XX Base boot weldment for 2+8 to 2
+2 base stiffeners.
11.391 in.
(29 cm)
8 x 10 x 1–1/2 in.
(20 x 25 x 3.81
cm)
Pneg-4075G 75 Ft Diameter 40-Series Bin 49
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