TM 9--1370-202-12
corrections, based on local wind conditions, are not
perimeter to the center hole. If disks are not available
covered in the tables and must be computed for specific
through regular supply channels, they may be hand-
landing sites. Minimal flight altitudes are based on
fabricated to the above specifications from 1/16to 1/8-
burnout at approximately 350 feet above ground level.
inch cardboard. (Cardboard spacers in packing boxes
Paragraphs (1) through (3), below, indicate typical use
are suitable for this purpose).
of tables:
c. Lanyard, Safety Assembly.
NOTE
Do not remove cable, supplied in
ready to-use condition, from
sealed polyethylene bag.
The safety lanyard consists of 40 feet of flexible steel
cable. The cable is arranged in four-inch loops, spot
fused between two polyethylene sheets. The fused
cable is folded and sealed in a polyethylene bag. Both
ends of the cable protrude from the same end of the
bag. A disconnect is swaged to one end of the cable; a
loop fastener, to the other end.
d. XM164 Static Line, Flare.
The static line
consists of eight parallel steel-wire cables in a molded
plastic sleeve. The ends of the wire are swaged to
fittings which accept swivel-jointed snaphooks. The flat
contour of the static line affords a low profile to prevent
accidental tripping and the plastic coating prevents
abrasion to the aircraft transom.
e. Bands, Suspension. The aluminum suspension
bands are approximately one-inch wide. An eye at the
top of each band fits into the bomb rack release
mechanism. Bolts and nuts on the bottom of the bands
are used to fit the bands snugly around flares.
Figure 3-5. Fuze wrench.
f. Wrench, Fuze. The fuze wrench is not available
Table 3-1. Launch Altitude for Burnout Approximately
through regular supply channels. However, it is simple
350 Feet Above Ground (10-Second Ignition Fuze
in design. As shown in figure 3-5, it can be easily
Setting)
manufactured in the field.
Ejection fuze setting (seconds)
3.7 Fuze Setting Tables
5
10
15
20
25
30
a. In addition to the data tabulated in tables 3-1
and 3-2, the following information must be considered in
Launch
1900
2600
3600
4600
5600
6600
determining fuze settings:
altitude (Mods
(1) After launch and before parachute
1, 2&2A)
opening, the flare falls approximately 300 feet during the
first 5 seconds; 700 feet during the next 5 seconds, and
Launch
2100
2800
3800
4800
5800
6800
altitude (Mods
approximately 1,000 feet for each 5 seconds thereafter.
3 and 4)
(2) After the parachute opens, the average
rate of descent is 7.5 fps.
NOTE
(3) Mods 1, 2 and 2A will burn for
Each 5-second increase on the
approximately 1,125 feet of fall before burnout; Mods 3
ignition fuze dial adds 75 feet to
and 4, 1,250 feet.
above readings.
b. Tables 3-1 and 3-2, below, provide data for
determining launch altitude and fuze settings. Drift
3-6
