|
Ratio
A versus K ... 6 to 12-sided spar |
Ratio
(A)
or
I.D./O.D. |
Number
of sides
(N) |
Number
of sides
(N) |
Number
of sides
(N) |
Number
of sides
(N) |
Number
of sides
(N) |
|
6 |
8 |
9 |
10 |
12 |
0.99 |
0.1281 |
0.1043 |
0.0965 |
0.0905 |
0.0818 |
0.98 |
0.1362 |
0.1158 |
0.1097 |
0.1053 |
0.1000 |
0.97 |
0.1443 |
0.1273 |
0.1228 |
0.1201 |
0.1182 |
0.96 |
0.1525 |
0.1388 |
0.1360 |
0.1350 |
0.1363 |
0.95 |
0.1606 |
0.1503 |
0.1493 |
0.1499 |
0.1546 |
0.94 |
0.1689 |
0.1619 |
0.1625 |
0.1648 |
0.1728 |
0.93 |
0.1771 |
0.1735 |
0.1758 |
0.1797 |
0.1911 |
0.92 |
0.1854 |
0.1852 |
0.1891 |
0.1947 |
0.2093 |
0.91 |
0.1938 |
0.1968 |
0.2025 |
0.2097 |
0.2276 |
0.90 |
0.2022 |
0.2086 |
0.2158 |
0.2248 |
0.2460 |
0.89 |
0.2106 |
0.2203 |
0.2292 |
0.2398 |
0.2643 |
0.88 |
0.2191 |
0.2321 |
0.2427 |
0.2549 |
0.2827 |
0.87 |
0.2276 |
0.2439 |
0.2561 |
0.2700 |
0.3011 |
0.86 |
0.2361 |
0.2557 |
0.2696 |
0.2852 |
0.3195 |
0.85 |
0.2447 |
0.2676 |
0.2831 |
0.3003 |
0.3380 |
0.84 |
0.2533 |
0.2795 |
0.2967 |
0.3155 |
0.3565 |
0.83 |
0.2619 |
0.2914 |
0.3103 |
0.3308 |
0.3750 |
0.82 |
0.2706 |
0.3034 |
0.3239 |
0.3460 |
0.3935 |
0.81 |
0.2794 |
0.3154 |
0.3375 |
0.3613 |
0.4121 |
0.80 |
0.2882 |
0.3274 |
0.3512 |
0.3766 |
0.4306 |
0.78 |
0.3058 |
0.3516 |
0.3787 |
0.4073 |
0.4678 |
0.76 |
0.3237 |
0.3759 |
0.4062 |
0.4382 |
0.5052 |
0.74 |
0.3417 |
0.4004 |
0.4339 |
0.4691 |
0.5426 |
0.72 |
0.3599 |
0.4250 |
0.4618 |
0.5002 |
0.5801 |
0.70 |
0.3783 |
0.4497 |
0.4897 |
0.5313 |
0.6177 |
0.68 |
0.3968 |
0.4746 |
0.5178 |
0.5626 |
0.6554 |
0.66 |
0.4155 |
0.4996 |
0.5460 |
0.5940 |
0.6932 |
0.64 |
0.4344 |
0.5248 |
0.5743 |
0.6256 |
0.7312 |
0.62 |
0.4535 |
0.5501 |
0.6028 |
0.6572 |
0.7692 |
0.60 |
0.4728 |
0.5755 |
0.6314 |
0.6890 |
0.8073 |
0.58 |
0.4923 |
0.6011 |
0.6602 |
0.7209 |
0.8455 |
0.56 |
0.5119 |
0.6269 |
0.6890 |
0.7529 |
0.8838 |
0.54 |
0.5318 |
0.6528 |
0.7180 |
0.7850 |
0.9223 |
0.52 |
0.5519 |
0.6788 |
0.7472 |
0.8173 |
0.9608 |
0.50 |
0.5721 |
0.7051 |
0.7764 |
0.8496 |
0.9994 |
0.48 |
0.5926 |
0.7314 |
0.8059 |
0.8821 |
1.0382 |
0.46 |
0.6133 |
0.7579 |
0.8354 |
0.9148 |
1.0770 |
0.44 |
0.6342 |
0.7846 |
0.8651 |
0.9475 |
1.1159 |
0.42 |
0.6553 |
0.8114 |
0.8949 |
0.9804 |
1.1550 |
0.40 |
0.6766 |
0.8384 |
0.9249 |
1.0134 |
1.1941 |
0.38 |
0.6981 |
0.8656 |
0.9550 |
1.0465 |
1.2334 |
0.36 |
0.7199 |
0.8929 |
0.9853 |
1.0798 |
1.2728 |
0.34 |
0.7419 |
0.9204 |
1.0157 |
1.1132 |
1.3122 |
0.32 |
0.7641 |
0.9480 |
1.0462 |
1.1467 |
1.3518 |
0.30 |
0.7866 |
0.9758 |
1.0769 |
1.1803 |
1.3915 |
0.28 |
0.8093 |
1.0038 |
1.1078 |
1.2141 |
1.4313 |
0.26 |
0.8322 |
1.0320 |
1.1388 |
1.2480 |
1.4712 |
0.24 |
0.8554 |
1.0603 |
1.1699 |
1.2821 |
1.5112 |
0.22 |
0.8789 |
1.0888 |
1.2012 |
1.3163 |
1.5513 |
0.20 |
0.9026 |
1.1175 |
1.2327 |
1.3506 |
1.5916 |
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