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Figure 1-25.—BSU-85/B air-inflatable retarded fin (top and rear view) | Up
Aviation Ordinanceman - Aviation theories and other practices | Next
GBU-12, GBU-16, AND GBU-10 (PAVEWAY II) |
BSU-86/B Bomb Fin
The
BSU-86/B
bomb
fin
is
used
with
general-purpose bombs, Mk 82 Mods, or the practice
bomb BDU-45/B (fig. 1-26). The fin provides a
retarded (high-drag) or unretarded (low-drag) bomb
delivery capability for the aircraft. The BSU-86/B fin is
attached to the Mk 82 or BDU-45/B bomb by eight
setscrews. A 25-degree wedge is located at the tips of
each fin to impart spin. The air stream drives the fin
open rapidly, when the MAU-199/B spring arming wire
(SAW) is activated. The spring load under each fin
blade initiates fin opening.
1-29
Figure 1-26.—BSU-86/B fin with Mk 82 bomb.
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