Bell OH-58A - Page 78

T M 55 -1 520-228 -BD
Table 4-2. Damage Limits Forwar d Fuselage — C ondition I (Cont)
DAMAGE LIMITS
LOCATION
CAP / FLANGE SKIN / WEB
COMPONENT /
MEMBER
FS
WL BL
ELEMENT
CD’ CL’
N WL’ N
NOTES /
CAUTIONS
(D’=N x CL) (D’=N x WL)Aft Cabin
Enclosure
120.00-
130.00
63.71 20.00L
Gun Mount Channel
1.00 2.00 10
Pylon Support 98.80 73.93 7.52L&R Forward Support No Damage Allowed
123.62 71.92 6.25L&R Aft Support No Damage Allowed
Cabin Roof Beam 80.46-
130.00
67.92-
71.96 3.00L&R
Beam, Left and Right
No Damage Allowed
101.67&
123.62
67.92-
71.96
0 Bulkheads Between
Beams
No Damage Allowed
120.90
67.92-
71.96
3.00L-
3.00R
Bulkhead Skin and
Doubler
2.00 5
80.46-
130.00 67.92
3.00L-
3.00R
Bottom Skin and
Access Cover
0.75 5
Lower Cabin Shell
73.18-
113.00
20.00-
25.25
18.40L&R-
Outboard
Radius and Edge of
Honeycomb Panel
1.00
5
73.18-
113.00
20.00
18.40L-
18.40R
Honeycomb Panel
6.30 5
No Damage
Within 3” Radius
of Inserts
113.00-
130.00
20.00-
54.65
Honeycomb Panel
6.30 5
No Damage
Within 3” Radius
of Inserts
96.44 20.00 Splice 0.75 1.50 10
36.00-
130.00
20.00-
54.65
Frames, Angles,
Stiffeners
0.50 1.00 10
Upper Cabin Roof
Shell
54.48-
82.86
Top Skin
3.00 5
82.86-
125.00
Honeycomb Panels
3.00 5
120.40-
130.00
14.12L&R-
Outboard
Honeycomb Panels
2.50 5
125.00-
130.00
14.12L-
14.12R
Titanium Panel
2.50 5
4-34
AIRFRAME