Onera propeller blade airfoils from US Patent 4,773,825
HOR20 Airfoil (x,y) Co-ordinates
| 0 | 0 |
| 0.001989 | 0.010702 |
| 0.004981 | 0.019205 |
| 0.006977 | 0.023207 |
| 0.009972 | 0.02831 |
| 0.014965 | 0.035315 |
| 0.019959 | 0.04092 |
| 0.024954 | 0.046125 |
| 0.029949 | 0.05083 |
| 0.04129 | 0.060361 |
| 0.0549 | 0.070185 |
| 0.064294 | 0.075984 |
| 0.073949 | 0.081294 |
| 0.083804 | 0.086184 |
| 0.093819 | 0.090674 |
| 0.103955 | 0.094814 |
| 0.114181 | 0.098584 |
| 0.124498 | 0.102044 |
| 0.134905 | 0.105225 |
| 0.145392 | 0.108105 |
| 0.155869 | 0.110716 |
| 0.166317 | 0.113066 |
| 0.176805 | 0.115197 |
| 0.187293 | 0.117077 |
| 0.197821 | 0.118748 |
| 0.224508 | 0.122085 |
| 0.251396 | 0.124331 |
| 0.278104 | 0.125578 |
| 0.304334 | 0.125874 |
| 0.330505 | 0.125361 |
| 0.356836 | 0.124117 |
| 0.383018 | 0.122213 |
| 0.40917 | 0.119739 |
| 0.435353 | 0.116755 |
| 0.461587 | 0.113292 |
| 0.487451 | 0.109457 |
| 0.513675 | 0.105454 |
| 0.539969 | 0.1011 |
| 0.565924 | 0.096486 |
| 0.591748 | 0.091642 |
| 0.617383 | 0.086607 |
| 0.642939 | 0.081423 |
| 0.668454 | 0.076108 |
| 0.693859 | 0.070684 |
| 0.719185 | 0.065209 |
| 0.74448 | 0.059684 |
| 0.769746 | 0.05415 |
| 0.795041 | 0.048655 |
| 0.820397 | 0.04318 |
| 0.845732 | 0.037666 |
| 0.870978 | 0.032111 |
| 0.896183 | 0.026546 |
| 0.921439 | 0.021031 |
| 0.941633 | 0.016552 |
| 0.961848 | 0.012362 |
| 0.979991 | 0.00888 |
| 1 | 0 |
| 0.970005 | -0.00548 |
| 0.950006 | -0.0061 |
| 0.930007 | -0.00677 |
| 0.910007 | -0.00729 |
| 0.892668 | -0.008087 |
| 0.867049 | -0.008623 |
| 0.841479 | -0.009419 |
| 0.815991 | -0.010554 |
| 0.790522 | -0.012069 |
| 0.764984 | -0.013905 |
| 0.739436 | -0.015971 |
| 0.713898 | -0.018186 |
| 0.688401 | -0.020532 |
| 0.662993 | -0.023027 |
| 0.637686 | -0.025692 |
| 0.612409 | -0.028518 |
| 0.587222 | -0.031523 |
| 0.562225 | -0.034708 |
| 0.537358 | -0.038123 |
| 0.512832 | -0.041837 |
| 0.488236 | -0.045872 |
| 0.46328 | -0.050017 |
| 0.438694 | -0.054241 |
| 0.414058 | -0.058426 |
| 0.389392 | -0.062481 |
| 0.364746 | -0.066315 |
| 0.34027 | -0.06987 |
| 0.315623 | -0.073114 |
| 0.291036 | -0.075879 |
| 0.266928 | -0.078193 |
| 0.243 | -0.080217 |
| 0.218872 | -0.081881 |
| 0.209072 | -0.082381 |
| 0.199233 | -0.082751 |
| 0.189393 | -0.082981 |
| 0.179513 | -0.08306 |
| 0.169663 | -0.08298 |
| 0.159823 | -0.08273 |
| 0.149912 | -0.08231 |
| 0.139902 | -0.0817 |
| 0.129801 | -0.08087 |
| 0.11962 | -0.07977 |
| 0.109308 | -0.078391 |
| 0.098837 | -0.076681 |
| 0.088165 | -0.074582 |
| 0.077242 | -0.072003 |
| 0.066039 | -0.068784 |
| 0.060357 | -0.06687 |
| 0.054625 | -0.064745 |
| 0.048822 | -0.062411 |
| 0.04291 | -0.059677 |
| 0.036936 | -0.056383 |
| 0.030052 | -0.05237 |
| 0.025049 | -0.048775 |
| 0.020045 | -0.04488 |
| 0.01504 | -0.040285 |
| 0.010034 | -0.03449 |
| 0.005026 | -0.026395 |
| 0.002019 | -0.018998 |
| 0 | 0 |
HOR20 Airfoil CAD files