헬리콥터 로터의 익형 모양은 무엇인가요?

성숙한 익형은 8H-12입니다:

NACA 8-H-12 AIRFOIL

1.000000 .000000

.987499 .

.967791 .000757

.947645 .001257

.927978 .001840

.909180 .002754

.890963 .004244

.872709 .006406

.853824 .009218

.833776 .012678

.812120 .016759

.788757 .021307

.764276 .026100

.739517 .030985

.715047 .035869

.690991 .040739

.667185 .045611

.643473 .050466

.619794 .055268

.596179 .059962< / p>

.572727 .064489

.549530 .068804

.526634 .072873

.504044 .076677

. 481735 .080199

.459692 .083419

.437939 .086312

.416534 .088853

.395560 .091020

.375101 .092787

.355191 .094117

.335797 .094987

.316842 .095379

298221 .095273

.279812 .094655

.261538 .093557

.243400 .092013

.225474 .090064

.207897 .087760

.190849 .085163

.174517 .082337

.159034 .0

79328

.144464 .076178

.130821 .072927

.118136 .069622

.106451 .066318

.095777 .063068

.086079 .059908

.077289 .056847

.069313 .053882

.062051 .051005

.055417 .048214

.049335 .045507

.043745 .042881

.038594 .040333

.033848 .037847

.029471 .035412

.025432 .033019

.021699 .030661

.018246 .028333

.015052 .026021

.012104 .023708

.009388 .021380

.006894 .019026

.004688 .016623

.002897 .014128

.001558 .011521

.000631 .008804

.000079 .005978

-.000124 .003043

-.000102 .001542

.000000 .000000

.001581 -.002124

.003284 -.004030

.005179 -.005776

.007266 -.007327

.009567 -.008667

.012112 -.009775

.014907 -.010669

.017901 -.011453

.021050 -.012212

.024364 -.012950

.027863 -.013661

.031568 -.014343

.035505 -.014993

.03970

0 -.015608

.044185 -.016189

.048995 -.016735

.054170 -.017251

.059761 - .017740

.065828 -.018210

.072446 -.018667

.079704 -.019127

.087696 -.019610

.096529 -.020117

.106313 -.020630

.117167 -.021127

.129201 -.021598

.142488 -.022039

.157059 -.022456

.172925 -.022854

.190053 -.023230

.208320 -.023580

.227528 -.023894

.247470 -.024149

.268033 -.024325

.289179 -.024445

.310806 -.024554

.332726 -.024672

.354759 -.024781

.376789 -.024863

.398771 -.024901

.420727 -.024881

.442704 -.024804

464730 - .024673

.486818 -.024491

.508959 -.024261

.531134 -.023984

.553318 - .023660

.575493 -.023291

.597641 -.022876

.619747 -.022414

.641799 -.021904

.663786 -.021340

.685700 -.020719

.707536 -.020036

.729289 -.019290

.750956 -.018474

.772538 -.017587

.794035 -.016624

.815448 -.015583

.836756 -.014456

.857872 -.013240

.878656 -.011939

.898929 -.010562

.918512 -.009108

.937294 -.007523

.955285 -. 005748

.972561 -.003755

.989209 -.001564

1.000000 .000000