20
Tighten each spreader rope connection assembly 1/2" from the end of each spreader and tighten
with the clamp stud and cushioned p-clamp are positioned vertically as shown in
Figure 17
.
Figure 17
The Dacron Polyester rope that came with the
Spreader and Center Post Package
may now be cut
into specific lengths for the antenna assembly. After cutting this type of rope, the ends should be
slightly melted with a flame to prevent unraveling. The dimensions indicated include extra length
for knots. Upon completion of the antenna, excess rope may be trimmed and re-melted.
Cut seven pieces of spreader support rope 144" in length (12 ft.).
Cut one piece of rope 78" in length (6 ft., 5 in.).
Cut one piece of rope 112" in length (9 ft., 4 in.).
Cut 10 element spacer ropes (2 for each band) to the 'cut lengths' dimensions in
Table 1
.
Band
Element Spacer Ropes
Cut Length (2 each)
20
30"
17
24"
15
22"
12
20"
10
18"
Table 1 - Element Spacer Ropes
Caution:
Bowed fiberglass spreaders can cause injury if they are accidentally released.
Be sure helpers are not in the proximity of a bowed spreader during assembly.