Soverel 33 Elliptical Rudder table of Offsets

Level

 Top 12" Down 24" Down 36" Down 42" Down 45" Down 48" Down 50" Down 52" Down
Chord, c 22.2500" 21.8399" 20.8388" 18.4457" 16.1457" 14.5167" 12.4459" 10.6547" 7.4616"
Thickness,t 2.6709" 2.6217" 2.5015" 2.2142" 1.9381" 1.7426" 1.4940" 1.2790" 0.8957"

Leading edge radius, r

 0.3516" 0.3451" 0.3293" 0.2914" 0.2551" 0.2294" 0.1966" 0.1683" 0.1179"
LE = leading edge, CL = Centerline, all foil sections (waterlines) are parallel to Top of rudder, all measurements in inches, all sections NACA 0012 Basic Thickness Form
x y x y/2 x y/2 x y/2 x y/2 x y/2 x y/2 x y/2 x y/2 x y/2
(per cent c) (from LE / CL) (from LE / CL) (from LE / CL) (from LE / CL) (from LE / CL) (from LE / CL) (from LE / CL) (from LE / CL) (from LE / CL)
0.00% 0.000% 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
0.50% 1.153% 0.1113 0.2566 0.1092 0.2519 0.1042 0.2403 0.0922 0.2127 0.0807 0.1862 0.0726 0.1674 0.0622 0.1435 0.0533 0.1229 0.0373 0.0861
1.25% 1.894% 0.2781 0.4214 0.2730 0.4136 0.2605 0.3947 0.2306 0.3494 0.2018 0.3058 0.1815 0.2749 0.1556 0.2357 0.1332 0.2018 0.0933 0.1413
2.5% 2.615% 0.5563 0.5818 0.5460 0.5711 0.5210 0.5449 0.4611 0.4824 0.4036 0.4222 0.3629 0.3796 0.3111 0.3255 0.2664 0.2786 0.1865 0.1951
5.0% 3.555% 1.1125 0.7910 1.0920 0.7764 1.0419 0.7408 0.9223 0.6557 0.8073 0.5740 0.7258 0.5161 0.6223 0.4425 0.5327 0.3788 0.3731 0.2653
7.5% 4.200% 1.6688 0.9345 1.6380 0.9173 1.5629 0.8752 1.3834 0.7747 1.2109 0.6781 1.0888 0.6097 0.9334 0.5227 0.7991 0.4475 0.5596 0.3134
10% 4.683% 2.2250 1.0420 2.1840 1.0228 2.0839 0.9759 1.8446 0.8638 1.6146 0.7561 1.4517 0.6798 1.2446 0.5828 1.0655 0.4990 0.7462 0.3494
15% 5.345% 3.3375 1.1893 3.2760 1.1673 3.1258 1.1138 2.7668 0.9859 2.4219 0.8630 2.1775 0.7759 1.8669 0.6652 1.5982 0.5695 1.1192 0.3988
20% 5.737% 4.4500 1.2765 4.3680 1.2530 4.1678 1.1955 3.6891 1.0582 3.2291 0.9263 2.9033 0.8328 2.4892 0.7140 2.1309 0.6113 1.4923 0.4281
25% 5.941% 5.5625 1.3219 5.4600 1.2975 5.2097 1.2380 4.6114 1.0959 4.0364 0.9592 3.6292 0.8624 3.1115 0.7394 2.6637 0.6330 1.8654 0.4433
30% 6.002% 6.6750 1.3354 6.5520 1.3108 6.2516 1.2507 5.5337 1.1071 4.8437 0.9691 4.3550 0.8713 3.7338 0.7470 3.1964 0.6395 2.2385 0.4478
40% 5.803% 8.9000 1.2912 8.7360 1.2674 8.3355 1.2093 7.3783 1.0704 6.4583 0.9369 5.8067 0.8424 4.9784 0.7222 4.2619 0.6183 2.9846 0.4330
50% 5.294% 11.1250 1.1779 10.9200 1.1562 10.4194 1.1032 9.2228 0.9765 8.0729 0.8548 7.2583 0.7685 6.2230 0.6589 5.3273 0.5641 3.7308 0.3950
60% 4.563% 13.3500 1.0153 13.1040 0.9966 12.5033 0.9509 11.0674 0.8417 9.6874 0.7367 8.7100 0.6624 7.4676 0.5679 6.3928 0.4862 4.4769 0.3405
70% 3.664% 15.5750 0.8152 15.2880 0.8002 14.5872 0.7635 12.9120 0.6758 11.3020 0.5916 10.1617 0.5319 8.7122 0.4560 7.4583 0.3904 5.2231 0.2734
80% 2.623% 17.8000 0.5836 17.4719 0.5729 16.6710 0.5466 14.7565 0.4838 12.9166 0.4235 11.6133 0.3808 9.9567 0.3265 8.5237 0.2795 5.9693 0.1957
90% 1.448% 20.0250 0.3222 19.6559 0.3162 18.7549 0.3017 16.6011 0.2671 14.5312 0.2338 13.0650 0.2102 11.2013 0.1802 9.5892 0.1543 6.7154 0.1080
95% 0.807% 21.1375 0.1796 20.7479 0.1762 19.7969 0.1682 17.5234 0.1489 15.3384 0.1303 13.7908 0.1171 11.8236 0.1004 10.1219 0.0860 7.0885 0.0602
100% 0.126% 22.2500 0.0280 21.8399 0.0275 20.8388 0.0263 18.4457 0.0232 16.1457 0.0203 14.5167 0.0183 12.4459 0.0157 10.6547 0.0134 7.4616 0.0094