Table B-4. 10-sided Spar, Polygon 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
      (%) (%) (%) (%) (%)  
1.00 3.092 0.076 90.12 81.81 0.19 53.13 76.84 23.71
0.99 3.095 0.090 88.26 78.59 0.23 47.01 74.63 27.62
0.98 3.098 0.105 86.42 75.46 0.27 42.08 72.58 30.50
0.97 3.101 0.120 84.60 72.43 0.31 38.00 70.66 32.66
0.96 3.103 0.135 82.79 69.49 0.35 34.55 68.84 34.29
0.95 3.106 0.150 81.00 66.64 0.39 31.58 67.11 35.53
0.94 3.109 0.165 79.23 63.88 0.43 28.99 65.45 36.46
0.93 3.112 0.180 77.49 61.20 0.47 26.71 63.85 37.15
0.92 3.115 0.195 75.75 58.61 0.51 24.67 62.31 37.64
0.91 3.118 0.210 74.04 56.10 0.55 22.85 60.82 37.97
0.90 3.121 0.225 72.35 53.68 0.60 21.21 59.37 38.16
0.89 3.123 0.240 70.67 51.33 0.64 19.73 57.96 38.24
0.88 3.126 0.255 69.02 49.06 0.68 18.37 56.59 38.22
0.87 3.129 0.270 67.38 46.87 0.72 17.13 55.25 38.12
0.86 3.132 0.285 65.76 44.75 0.77 15.99 53.94 37.95
0.85 3.135 0.300 64.16 42.71 0.81 14.94 52.66 37.71
0.84 3.138 0.316 62.58 40.73 0.86 13.97 51.40 37.43
0.83 3.141 0.331 61.02 38.83 0.90 13.07 50.16 37.09
0.82 3.144 0.346 59.48 36.99 0.95 12.24 48.95 36.71
0.81 3.147 0.361 57.95 35.22 0.99 11.46 47.76 36.29
0.80 3.150 0.377 56.45 33.51 1.04 10.74 46.59 35.84
0.79 3.153 0.392 54.96 31.87 1.09 10.07 45.43 35.37
0.78 3.155 0.407 53.49 30.28 1.13 9.44 44.30 34.86
0.77 3.158 0.423 52.04 28.76 1.18 8.85 43.18 34.33
0.76 3.161 0.438 50.61 27.29 1.23 8.30 42.07 33.78
0.75 3.164 0.454 49.20 25.89 1.28 7.78 40.99 33.21
0.74 3.167 0.469 47.80 24.53 1.33 7.29 39.91 32.62
0.73 3.170 0.485 46.43 23.23 1.37 6.83 38.86 32.02
0.72 3.173 0.500 45.07 21.99 1.42 6.40 37.81 31.41
0.71 3.176 0.516 43.73 20.79 1.48 6.00 36.78 30.78
0.70 3.179 0.531 42.41 19.64 1.53 5.62 35.76 30.14
0.69 3.182 0.547 41.11 18.54 1.58 5.26 34.75 29.49
0.68 3.185 0.563 39.83 17.49 1.63 4.92 33.76 28.84
0.67 3.188 0.578 38.57 16.49 1.68 4.61 32.78 28.17
0.66 3.191 0.594 37.32 15.52 1.74 4.31 31.81 27.50
0.65 3.194 0.610 36.10 14.60 1.79 4.03 30.85 26.82
0.64 3.197 0.626 34.89 13.73 1.84 3.76 29.90 26.14
0.63 3.200 0.641 33.70 12.89 1.90 3.51 28.97 25.46
0.62 3.203 0.657 32.54 12.09 1.96 3.27 28.05 24.77
0.61 3.206 0.673 31.38 11.33 2.01 3.05 27.13 24.08
0.60 3.209 0.689 30.25 10.60 2.07 2.84 26.23 23.39
0.59 3.212 0.705 29.14 9.91 2.13 2.64 25.34 22.70
0.58 3.215 0.721 28.04 9.26 2.18 2.46 24.46 22.00
0.57 3.218 0.737 26.97 8.64 2.24 2.28 23.60 21.31
0.56 3.221 0.753 25.91 8.05 2.30 2.12 22.74 20.62
0.55 3.225 0.769 24.87 7.49 2.36 1.96 21.89 19.93
0.54 3.228 0.785 23.85 6.96 2.42 1.82 21.06 19.24
0.53 3.231 0.801 22.85 6.46 2.48 1.68 20.24 18.55
0.52 3.234 0.817 21.87 5.98 2.55 1.55 19.42 17.87
0.51 3.237 0.833 20.91 5.53 2.61 1.43 18.62 17.19
0.50 3.240 0.850 19.96 5.11 2.67 1.32 17.83 16.51
0.49 3.243 0.866 19.04 4.72 2.74 1.22 17.06 15.84
0.48 3.246 0.882 18.13 4.34 2.80 1.12 16.29 15.17
0.47 3.249 0.898 17.24 3.99 2.87 1.02 15.54 14.51
0.46 3.252 0.915 16.37 3.66 2.93 0.94 14.79 13.86
0.45 3.256 0.931 15.52 3.35 3.00 0.86 14.06 13.21
0.44 3.259 0.948 14.69 3.07 3.07 0.78 13.35 12.57
0.43 3.262 0.964 13.87 2.80 3.14 0.71 12.64 11.93
0.42 3.265 0.980 13.08 2.55 3.21 0.65 11.95 11.30
0.41 3.268 0.997 12.30 2.31 3.28 0.59 11.27 10.68
0.40 3.271 1.013 11.54 2.09 3.35 0.53 10.60 10.07
0.39 3.274 1.030 10.80 1.89 3.42 0.48 9.95 9.47
0.38 3.278 1.047 10.08 1.71 3.50 0.43 9.31 8.88
0.37 3.281 1.063 9.38 1.53 3.57 0.39 8.68 8.29
0.36 3.284 1.080 8.70 1.37 3.65 0.35 8.06 7.72
0.35 3.287 1.096 8.03 1.23 3.72 0.31 7.46 7.16
0.34 3.290 1.113 7.39 1.09 3.80 0.28 6.88 6.60
0.33 3.293 1.130 6.76 0.97 3.88 0.24 6.31 6.06
0.32 3.297 1.147 6.15 0.86 3.96 0.22 5.75 5.53
0.31 3.300 1.163 5.56 0.76 4.04 0.19 5.21 5.02
0.30 3.303 1.180 4.99 0.66 4.12 0.17 4.68 4.51
0.29 3.306 1.197 4.44 0.58 4.20 0.15 4.16 4.02
0.28 3.310 1.214 3.91 0.50 4.28 0.13 3.67 3.54
0.27 3.313 1.231 3.39 0.43 4.37 0.11 3.18 3.07
0.26 3.316 1.248 2.90 0.37 4.45 0.09 2.72 2.62
0.25 3.319 1.265 2.42 0.32 4.54 0.08 2.27 2.19
0.24 3.323 1.282 1.96 0.27 4.63 0.07 1.83 1.76
0.23 3.326 1.299 1.52 0.23 4.72 0.06 1.41 1.35
0.22 3.329 1.316 1.10 0.19 4.81 0.05 1.01 0.96
0.21 3.332 1.333 0.70 0.16 4.90 0.04 0.62 0.58
0.20 3.336 1.351 0.32 0.13 4.99 0.03 0.25 0.22