Bell OH-58A - Page 85

TM 55-1520-22 8-BD
Table 4-5. Damage Limits Forward Fuse lage — Condition II (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)Center Post 73.00-
87.85
24.48-
72.00
3.00L
3.00R
Side Webs and
Doublers
4.50
5
74.52-
81.30
54.50-
72.00
3.00L
3.00R
Front Web
2.50 5
80.00-
87.85
62.00-
72.00
3.00L-
3.00R
Splices
0.75 1.50
5
73.00-
87.85
20.00-
72.00
3.00L-
3.00R
Stiffeners
0.75 1.50 5
Passenger Seat 96.44-
114.57
29.92-
31.42
24.14L-
24.14R
Honeycomb Seat
Panel 10.00
5
No Damage
Within 3” of Gun
Mount (If Used)
96.44-
114.76
24.70-
29.92
23.08L&R Honeycomb Side
Panels
2.00 5
96.44 20.00-
29.92
23.08L-
23.08R
Honeycomb Front
Panel
4.5 5
96.44-
114.76
20.00-
29.92
23.08L-
23.08R
Angles, Side, Front,
Top, bottom
0.60 1.20
5
Gun Mounts
103.76 30.25
0.00 &
23.00L
Fittings and
Fasteners
No Damage Permitted (If Used)
Depression Stop
Attachment
104.55 30.25 5.85L Honeycomb Panel
No Damage Permitted Within 1-1/2”
Radius of Attachments
Passenger Seat
Back Bulkhead
114.79-
122.20
31.42-
72.00
Flanges, Angles,
Caps, Splices, Clips
0.50 1.00 5
117.90-
122.20
48.25-
72.00
Web
1.40 5
115.10-
117.70
35.39-
49.98
17.80L-
17.80R
Honeycomb Door
Assembly
6.00
5
114.76-
117.70
31.42-
49.98
Honeycomb Panel
Assembly
2.00 5
4-41
AIRFRAME