Source Contact: Tom Rent >From Dick Johnson testing on N65883 at 6.12 lbs/ft2 .. 635lbs.
Testing April 15 1976, published in Soaring Magazine
Polar Pic CLICK HERE knots ft/min 34.0815 115.601 34.3304 114.18 34.6622 114.186 34.994 114.192 35.3258 114.199 35.7405 114.206 36.0723 115.637 36.4871 115.645 36.8189 117.076 37.2336 115.659 37.5654 115.665 37.9802 115.672 38.395 117.105 38.8097 115.688 39.3074 117.122 39.7222 115.704 40.2199 117.138 40.6346 115.721 41.0494 118.578 41.3812 118.584 41.63 118.589 42.1277 118.598 42.6254 118.607 43.1231 121.466 43.4549 120.047 44.0356 121.483 44.5333 121.492 45.031 121.501 45.3628 122.931 45.7775 124.364 46.1923 124.371 46.5241 125.802 47.0218 127.236 47.5195 127.245 48.1002 127.255 48.432 130.11 49.0126 132.97 49.4274 132.977 49.7592 132.983 50.2569 134.417 50.5887 135.847 50.9205 137.278 51.4182 140.136 51.9159 142.994 52.2477 143 52.9113 143.011 53.2431 144.441 53.6578 148.722 54.7362 151.59 55.2385 153.006 55.5657 154.453 55.9851 157.292 56.0634 157.31 56.4782 158.742 56.9759 160.175 57.5565 164.458 58.1372 168.741 58.5519 171.596 59.1326 175.879 59.7132 175.889 60.2109 180.17 60.7086 183.026 61.2063 185.883 61.787 187.317 62.2847 193.022 62.6994 194.452 63.2801 200.158 63.9437 203.017 64.4414 207.298 65.0221 213.003 65.6027 215.86 66.0175 221.563 66.3493 222.992 66.9299 227.273 67.3447 230.127 67.9253 234.408 68.3401 238.686 68.6719 241.539 69.1696 244.394 69.5014 247.247 69.9991 251.526 70.5797 261.501 70.9115 264.354 70.2479 257.225 71.3263 267.207 71.7411 271.485 72.1558 277.186 72.6535 282.888 73.2341 287.167 73.8148 292.87 74.2296 298.571 74.8102 304.273 75.142 308.549 75.6397 314.25 76.3033 321.377 76.801 325.654 77.4646 335.628 77.1328 331.353 77.9623 342.752 78.6259 348.454 79.2066 358.426 79.7873 365.551 80.2849 371.25 80.6997 376.949 81.2803 386.92 81.778 394.043 82.1928 399.741 82.6076 405.439 83.1053 412.561 83.52 418.259 83.9348 426.803 84.4325 432.502 84.8472 441.046 85.262 446.743 85.6767 453.863 86.1744 463.831 86.7551 472.376 87.3357 482.344 87.9164 490.888 88.4141 500.854 88.9947 510.821 89.4925 519.364 89.9901 527.907 90.322 533.602 90.8197 543.567 91.3174 554.955 91.8151 566.343 92.4787 579.154 93.0593 589.119 93.64 599.083 94.0547 606.201 94.4695 616.163 94.9672 626.127 95.299 634.666 95.7137 644.628 96.2114 656.014 96.7921 667.399 97.2068 675.938 97.7875 691.591 98.2852 702.975 98.617 712.936 99.0318 720.051 99.3636 728.588 99.6954 739.971 100.027 747.085 100.525 759.891 100.94 771.273 101.354 782.655 101.769 791.192 102.101 801.15 102.267 809.686