Bell OH-58A - Damage Limits Aft Fuselage - Condition I; Damage Limits Tail Boom and Landing Gear - Condition I

T M 55 -1 520-228 -BD
Table 4-3 . Dam age Limits Aft Fuselage — Condition 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)Bulkhead
205.74
Frame Section
0.40 0.80 10
205.74
Angles, Clips
0.50 1.00 10
Engine Mount
Support 130.00 8.465L&R
Back-Up Structure
No Damage Allowed
130.00 3.50L&R Fitting No Damage Allowed
142.33 72.00 12.96L&R Fitting No Damage Allowed
4-38
TM 55-1520-228-BD
Table 4-4. Damage Limits Tail Boom and Landing Gear — Condition I
DAMAGE LIMITS
LOCATION
CAP / FLANGE SKIN / WEB
COMPONENT /
MEMBER
BS WL BL
ELEMENT
CD’ CL’ N WL’ N
NOTES /
CAUTIONS
(D’=N x CL) (D’=N x WL)Tail Boom 31.94-
42.59
Intercoastals
No Damage Allowed
31.92 Attachment Fittings No Damage Allowed
At any
Circumference
31.87-
164.10
Skin
3.0 5
No Damage
Allowed BS164.10-
182.40
31.87, 42.59,
79.82, 98.29,
116.84, 150.22
Bulkheads
No Damage Allowed
174.10-
182.40
Bulkheads
0.85 1.70 10
174.10-
182.40
Fin Supports
0.17 0.34 10
174.10-
182.40
Gearbox Mounting Plate
No Damage Allowed
AIRFRAME