|
Table A-4. 10-sided Spar, Round Exterior
|
|
Ratio A
or
I.D./O.D.
|
Ratio (M)
or
(O.D./L)
|
Ratio (K)
or
(H/L)
|
Weight Saving at same size
|
Strengh Loss at same size
|
Outside Waste
|
Size Increase for same strength
|
Weight Saving at same strength
|
Arbitrary Score
|
|
|
|
|
(%)
|
(%)
|
(%)
|
(%)
|
(%)
|
|
| 0.99 |
3.095 |
0.090 |
91.69 |
96.06 |
29.34 |
124.45 |
58.12 |
-66.32 |
| 0.98 |
3.098 |
0.105 |
89.84 |
92.24 |
25.42 |
89.45 |
63.55 |
-25.90 |
| 0.97 |
3.101 |
0.120 |
88.02 |
88.53 |
22.48 |
71.83 |
64.63 |
-7.20 |
| 0.96 |
3.103 |
0.135 |
86.21 |
84.93 |
20.18 |
60.51 |
64.48 |
3.97 |
| 0.95 |
3.106 |
0.150 |
84.43 |
81.45 |
18.35 |
52.38 |
63.84 |
11.47 |
| 0.94 |
3.109 |
0.165 |
82.66 |
78.07 |
16.85 |
46.14 |
62.97 |
16.83 |
| 0.93 |
3.112 |
0.180 |
80.91 |
74.81 |
15.61 |
41.15 |
61.97 |
20.82 |
| 0.92 |
3.115 |
0.195 |
79.18 |
71.64 |
14.57 |
37.03 |
60.90 |
23.87 |
| 0.91 |
3.118 |
0.210 |
77.47 |
68.57 |
13.68 |
33.56 |
59.81 |
26.24 |
| 0.90 |
3.121 |
0.225 |
75.77 |
65.61 |
12.91 |
30.58 |
58.69 |
28.11 |
| 0.89 |
3.123 |
0.240 |
74.10 |
62.74 |
12.24 |
28.00 |
57.57 |
29.57 |
| 0.88 |
3.126 |
0.255 |
72.44 |
59.97 |
11.66 |
25.72 |
56.45 |
30.73 |
| 0.87 |
3.129 |
0.270 |
70.81 |
57.29 |
11.15 |
23.70 |
55.33 |
31.63 |
| 0.86 |
3.132 |
0.285 |
69.19 |
54.70 |
10.70 |
21.89 |
54.22 |
32.33 |
| 0.85 |
3.135 |
0.300 |
67.59 |
52.20 |
10.29 |
20.27 |
53.12 |
32.85 |
| 0.84 |
3.138 |
0.316 |
66.01 |
49.79 |
9.93 |
18.79 |
52.03 |
33.24 |
| 0.83 |
3.141 |
0.331 |
64.45 |
47.46 |
9.61 |
17.46 |
50.95 |
33.49 |
| 0.82 |
3.144 |
0.346 |
62.90 |
45.21 |
9.32 |
16.23 |
49.88 |
33.65 |
| 0.81 |
3.147 |
0.361 |
61.38 |
43.05 |
9.06 |
15.11 |
48.82 |
33.71 |
| 0.80 |
3.150 |
0.377 |
59.87 |
40.96 |
8.82 |
14.08 |
47.77 |
33.69 |
| 0.79 |
3.153 |
0.392 |
58.38 |
38.95 |
8.61 |
13.13 |
46.74 |
33.61 |
| 0.78 |
3.155 |
0.407 |
56.92 |
37.02 |
8.41 |
12.25 |
45.71 |
33.46 |
| 0.77 |
3.158 |
0.423 |
55.47 |
35.15 |
8.24 |
11.44 |
44.70 |
33.26 |
| 0.76 |
3.161 |
0.438 |
54.03 |
33.36 |
8.08 |
10.68 |
43.69 |
33.01 |
| 0.75 |
3.164 |
0.454 |
52.62 |
31.64 |
7.93 |
9.98 |
42.70 |
32.72 |
| 0.74 |
3.167 |
0.469 |
51.23 |
29.99 |
7.80 |
9.32 |
41.71 |
32.39 |
| 0.73 |
3.170 |
0.485 |
49.85 |
28.40 |
7.68 |
8.71 |
40.74 |
32.03 |
| 0.72 |
3.173 |
0.500 |
48.50 |
26.87 |
7.57 |
8.14 |
39.77 |
31.63 |
| 0.71 |
3.176 |
0.516 |
47.16 |
25.41 |
7.47 |
7.60 |
38.82 |
31.21 |
| 0.70 |
3.179 |
0.531 |
45.84 |
24.01 |
7.38 |
7.11 |
37.87 |
30.76 |
| 0.69 |
3.182 |
0.547 |
44.54 |
22.67 |
7.30 |
6.64 |
36.93 |
30.29 |
| 0.68 |
3.185 |
0.563 |
43.26 |
21.38 |
7.23 |
6.20 |
36.00 |
29.81 |
| 0.67 |
3.188 |
0.578 |
41.99 |
20.15 |
7.16 |
5.79 |
35.09 |
29.30 |
| 0.66 |
3.191 |
0.594 |
40.75 |
18.97 |
7.11 |
5.40 |
34.18 |
28.78 |
| 0.65 |
3.194 |
0.610 |
39.52 |
17.85 |
7.05 |
5.04 |
33.28 |
28.24 |
| 0.64 |
3.197 |
0.626 |
38.32 |
16.78 |
7.01 |
4.70 |
32.39 |
27.69 |
| 0.63 |
3.200 |
0.641 |
37.13 |
15.75 |
6.97 |
4.38 |
31.50 |
27.12 |
| 0.62 |
3.203 |
0.657 |
35.96 |
14.78 |
6.93 |
4.08 |
30.63 |
26.55 |
| 0.61 |
3.206 |
0.673 |
34.81 |
13.85 |
6.90 |
3.80 |
29.77 |
25.97 |
| 0.60 |
3.209 |
0.689 |
33.68 |
12.96 |
6.88 |
3.53 |
28.91 |
25.38 |
| 0.59 |
3.212 |
0.705 |
32.56 |
12.12 |
6.86 |
3.28 |
28.07 |
24.78 |
| 0.58 |
3.215 |
0.721 |
31.47 |
11.32 |
6.84 |
3.05 |
27.23 |
24.18 |
| 0.57 |
3.218 |
0.737 |
30.39 |
10.56 |
6.83 |
2.83 |
26.40 |
23.57 |
| 0.56 |
3.221 |
0.753 |
29.34 |
9.83 |
6.82 |
2.62 |
25.58 |
22.96 |
| 0.55 |
3.225 |
0.769 |
28.30 |
9.15 |
6.81 |
2.43 |
24.77 |
22.35 |
| 0.54 |
3.228 |
0.785 |
27.28 |
8.50 |
6.81 |
2.25 |
23.97 |
21.73 |
| 0.53 |
3.231 |
0.801 |
26.28 |
7.89 |
6.81 |
2.08 |
23.19 |
21.11 |
| 0.52 |
3.234 |
0.817 |
25.30 |
7.31 |
6.82 |
1.92 |
22.41 |
20.49 |
| 0.51 |
3.237 |
0.833 |
24.33 |
6.77 |
6.83 |
1.77 |
21.63 |
19.87 |
| 0.50 |
3.240 |
0.850 |
23.39 |
6.25 |
6.84 |
1.63 |
20.87 |
19.25 |
| 0.49 |
3.243 |
0.866 |
22.46 |
5.76 |
6.85 |
1.50 |
20.12 |
18.63 |
| 0.48 |
3.246 |
0.882 |
21.55 |
5.31 |
6.87 |
1.37 |
19.38 |
18.01 |
| 0.47 |
3.249 |
0.898 |
20.66 |
4.88 |
6.89 |
1.26 |
18.66 |
17.40 |
| 0.46 |
3.252 |
0.915 |
19.79 |
4.48 |
6.91 |
1.15 |
17.94 |
16.78 |
| 0.45 |
3.256 |
0.931 |
18.94 |
4.10 |
6.93 |
1.05 |
17.23 |
16.18 |
| 0.44 |
3.259 |
0.948 |
18.11 |
3.75 |
6.96 |
0.96 |
16.53 |
15.57 |
| 0.43 |
3.262 |
0.964 |
17.30 |
3.42 |
6.99 |
0.87 |
15.85 |
14.97 |
| 0.42 |
3.265 |
0.980 |
16.50 |
3.11 |
7.02 |
0.79 |
15.17 |
14.38 |
| 0.41 |
3.268 |
0.997 |
15.73 |
2.83 |
7.06 |
0.72 |
14.51 |
13.79 |
| 0.40 |
3.271 |
1.013 |
14.97 |
2.56 |
7.09 |
0.65 |
13.86 |
13.21 |
| 0.39 |
3.274 |
1.030 |
14.23 |
2.31 |
7.13 |
0.59 |
13.22 |
12.63 |
| 0.38 |
3.278 |
1.047 |
13.51 |
2.09 |
7.17 |
0.53 |
12.59 |
12.06 |
| 0.37 |
3.281 |
1.063 |
12.81 |
1.87 |
7.22 |
0.47 |
11.98 |
11.50 |
| 0.36 |
3.284 |
1.080 |
12.12 |
1.68 |
7.26 |
0.42 |
11.38 |
10.95 |
| 0.35 |
3.287 |
1.096 |
11.46 |
1.50 |
7.31 |
0.38 |
10.79 |
10.41 |
| 0.34 |
3.290 |
1.113 |
10.81 |
1.34 |
7.36 |
0.34 |
10.21 |
9.88 |
| 0.33 |
3.293 |
1.130 |
10.19 |
1.19 |
7.41 |
0.30 |
9.65 |
9.35 |
| 0.32 |
3.297 |
1.147 |
9.58 |
1.05 |
7.46 |
0.26 |
9.10 |
8.84 |
| 0.31 |
3.300 |
1.163 |
8.99 |
0.92 |
7.52 |
0.23 |
8.57 |
8.33 |
| 0.30 |
3.303 |
1.180 |
8.42 |
0.81 |
7.58 |
0.20 |
8.05 |
7.84 |
| 0.29 |
3.306 |
1.197 |
7.87 |
0.71 |
7.63 |
0.18 |
7.54 |
7.36 |
| 0.28 |
3.310 |
1.214 |
7.33 |
0.61 |
7.70 |
0.15 |
7.05 |
6.89 |
| 0.27 |
3.313 |
1.231 |
6.82 |
0.53 |
7.76 |
0.13 |
6.57 |
6.44 |
| 0.26 |
3.316 |
1.248 |
6.32 |
0.46 |
7.82 |
0.11 |
6.11 |
5.99 |
| 0.25 |
3.319 |
1.265 |
5.85 |
0.39 |
7.89 |
0.10 |
5.66 |
5.56 |
| 0.24 |
3.323 |
1.282 |
5.39 |
0.33 |
7.96 |
0.08 |
5.23 |
5.15 |
| 0.23 |
3.326 |
1.299 |
4.95 |
0.28 |
8.03 |
0.07 |
4.82 |
4.75 |
| 0.22 |
3.329 |
1.316 |
4.53 |
0.23 |
8.11 |
0.06 |
4.42 |
4.36 |
| 0.21 |
3.332 |
1.333 |
4.13 |
0.19 |
8.18 |
0.05 |
4.03 |
3.98 |
| 0.20 |
3.336 |
1.351 |
3.74 |
0.16 |
8.26 |
0.04 |
3.66 |
3.62 |
|