Boeing F4B-1 - Page 12

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T ABL E OF FUSELAGE MEMBERS
MAXIMUM
STRESSES
Member, ______ _
Ten- Com-
sion pression
MEMBER
SIZE
ALLOWABLE
STRESSES
MARGIN OF
SAFETY
Lengthi-------1------
Ten- Com -
sion pression
T. C.
------ ____ , __________ , ___ ---- ----------
1
2
:l
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 .
32
:!3
:!4
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
3850
3290
8250
5650
3300
2180
1200
950
3240
3090
4360
6060
3720
2280
1280
1460
1150
1710
5390
3530
1670
2200
2140
900
1850
960
1870
780
1440
290
510
20
1575
950
2583
2560
200
460
120
420
190
310
100
7740
8830
1970
650
1760
1460
770
38
38
1455
1455
700
3920
2635
54,50
4650
4210
3410
2590
950
3580
8820
5910
3280
2180
1190
410
236
5380
4396
7200
3063
4200
1510
3210
1360
1530
1280
1400
1360
1000
1120
2150
510
1250
1575
594
2593
200
460
120
420
190
310
100
13470
8204
1540
1970
650
1760
1460
770
38
38
1455
1455
700
1290
1-.049 Steel Rd.
1-.0"58 Du"ral Sq.
1-.~49
½-~035 "
1-.049 Steel Rd.
1_¾-.083 Dural Sq.
1¾-.049 "
1-.049 "
1/s-p33 "
1-.049 Steel Rd.
1-.035 Dural Sq.
1¾- .083
1-.035
1-.049
• (Inside)
1¾-.049 "
½-.035
1¾-.049 "
½- . 035
1-.035
½-p35
Tail Post
1-.049 Steel Rd.
1- .035
1-.049 Dural Sq.
Gun Mount
Gun Mount
1-.035 Dural Sq.
½-~035 :
" "
" "
1¾-.083 Steel Rd.
1½-.049 "
1-.~49 Du~~l Sq.
1-.035
½-~035
½-.035 Steel Rd.
1-.035 Dural Sq.
½-;,035 :
¼-28 Tie Rod
10-32 "
½-,,035 D~ral Sq.
P,-.035
17
18
30
22
31
26
25
23
14
20
30
22
29
28
19
23
14
25
28
41
28
36
28
42
27
39
26
35
25
24
33
23
18
18
22
13
33
13
27
23
32
17
27
29
25
25
25
32
13
31
23
22
9
11
26
9
30
30
30
28
17
10
16
17
16
20½
27
17
11710
9100
7760
4880
11710
16250
9880
7760
4~80
11710
8490
21880
7760
9880
4880
9880
4880
5630
4~80
11710
8490
7760
5630
4~80
34780
13250
1l60
5?,30
4~80
7390
5630
4~80
3400
2100
8100
4900
6100
4800
4700
4800
3000
3800
8000
9700
7000
4400
2500
3400
3000
3800
7500
5300
9500
4500
5200
2500
4500
2600
2300
2700
1800
2800
2900
2000
3000
3400
3400
7800
6100
3900
4600
2600
3000
2100
3500
2600
4300
24900
8800
4800
4000
4600
3000
3000
3100
4200
4100
2700
4200
4100
3100
2300
2500
3500
4200
3600
3500
3600
2.04
1.77
.10
.61
1.35
2.56
3.07
4.14
i:Zi
.28
.31
1.14
2.81
2.34
1.20
4.92
1.22
3.63
4.43
2.05
4.09
1.61
5j5
2.39
1.58
8.58
6.44
7.94
2.01
27.2
9.6
39.7
10.6
24.7
14.8
47.8
.50
i94
7.67
2.20
2.34
5.34
4'.os
2.87
5.97
5.79
.33
1.07
.86
.12
.03
.12
.41
.16
3.00
.18
.34
.15
1.86
6.31
15.1
.47
.24
.66
.40
.91
.51
1.11
.29
1.06
1.90
.79
.58
5.66
3.95
9.30
.51
22.0
4.65
24.0
4.00
17.4
7.40
42.0
.07
2.12
1.03
6.-09
.71
1.12
4.46
1.82
1.13
2.28
1.79