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Figure 1-23.—Typical MAU-91A/B fin with ADU-320/B adapter on Mk 83 bomb body |
MK 15 AND MODS SNAKEYE FIN ASSEM-
BLY.—The Mk 15 bomb fin assembly (fig. 1-21) is a
retarding fin. It is used with the 500-pound LDGP, Mk
82 bombs. The fin assembly presents a low-drag
configuration when dropped in the unretarded position
and a high-drag configuration when in the retarded
position.
The fin support tube is the main structure of the fin.
It provides a means of attaching the fin assembly to the
bomb. Eight setscrews (fig. 1-22) attach the fin.
The crushing of a convoluted steel tube absorbs the
shock. The fin support tube has a fuze-mounting ring
for attaching the tail drive of a mechanical tail fuze.
The fins are spring-loaded and secured in the
closed position by a spring-loaded release band. The
release band lever (fig. 1-22) is prevented from opening
by a cotter pin, which stays installed until an arming
wire is installed. The fin assemblies have drilled holes
at the top and bottom of the forward end for installation
of arming wires when the weapon is being configured
for electric tail fuzing.
MAU-91A/B FIN ASSEMBLY.—The MAU-
91A/B fin assembly (fig. 1-23) is a retarded tail fin used
with the 1,000-pound LDGP bomb Mk 83 and Mods.
This fin assembly can be dropped in either the retarded
or unretarded position.
1-24
Figure 1-21.—Mk 15 fin with Mk 82 bomb body.
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