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SA7025 (sa7025-il)

SA7025 - Selig / Ashok Gopalarathnam SA7025 low Reynolds number airfoil


Airfoil sa7025-il
Details Dat file Parser  
(sa7025-il) SA7025
Selig / Ashok Gopalarathnam SA7025 low Reynolds number airfoil
Max thickness 8% at 29.2% chord.
Max camber 3.6% at 43.2% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
SA7025
    1.000000000000000000   .000000000000000000
     .998177801331902480   .000223811835069539
     .992779023646909620   .000985236350856306
     .983955604166250720   .002386311992260997
     .971903487409340290   .004479965566673662
     .956845103194015940   .007268208359600575
     .939011843536801670   .010705387260127370
     .918631794586564850   .014709484444853935
     .895921381648144610   .019170098356830305
     .871081957271513050   .023962393110663619
     .844297293813038420   .028953244051436171
     .815732301072077840   .034016325318701648
     .785546758902544660   .039052767454321423
     .753931995211412190   .043927553109030751
     .720995917683488140   .048535791131125897
     .686839966227503320   .052874809575309850
     .651681201365067690   .056932616003906179
     .615752010245417040   .060667092848260162
     .579255201875714000   .064026150549010397
     .542402906000269750   .066985401091141469
     .505419883528767660   .069482090717546241
     .468501828631080140   .071480009626571181
     .431870396676347970   .072960463849102153
     .395721365386718090   .073872248681667974
     .360234970908861360   .074198547187272104
     .325627233582135300   .073921594342312907
     .292059869547292910   .073016331208260621
     .259695544003504920   .071507498106905654
     .228717279951333950   .069369947377165564
     .199250864161837900   .066613898360228588
     .171453383787172790   .063288727817759030
     .145445216291461900   .059387728230420538
     .121312386386883240   .054959274352659938
     .099192341936529371   .050064164488839290
     .079154531028763353   .044742022030684836
     .061253558832922828   .039097616480102404
     .045588469996872827   .033186162012424338
     .032171624814282374   .027092194789047227
     .021037992207162959   .020985492632594676
     .012241106988293282   .014988039888275092
     .005803114541515608   .009241265094736084
     .001745179780962336   .003953780995476400
     0.0 0.0
     .001490628491900847  -.003648337326245713
     .006610642633681718  -.006093079687126757
     .014893453970082682  -.008364304412351874
     .026142023686405613  -.010244489132744519
     .040338551088019758  -.011632953738091258
     .057501737639060746  -.012571786903229324
     .077523525696325923  -.013096219844159309
     .100303541652530750  -.013197230468543262
     .125729762249573220  -.012920666478021200
     .153666528981386550  -.012298632304552096
     .183954788803806560  -.011376790381139973
     .216419719686338550  -.010193616333082281
     .250869655057357370  -.008799561510943335
     .287097180603928970  -.007240989866443263
     .324879444100017230  -.005575147692208665
     .363978419073475390  -.003855109599039035
     .404140695421776220  -.002143859580776758
     .445097289643944680  -.000495809983645966
     .486570185428504280   .001030233632534738
     .528285416631558920   .002371239116569586
     .569887189322001890   .003434852177658561
     .610996620177063350   .004227593725517302
     .651321312328842380   .004805052617811930
     .690587401929886770   .005185656898389502
     .728525375097858310   .005377226518415637
     .764872567375894710   .005395554822197679
     .799375672774822690   .005251630917800546
     .831792111711836760   .004967237991913109
     .861891795585456030   .004563347832635096
     .889464291688280010   .004078699482225963
     .914334952059523980   .003545002956551213
     .936347896503154310   .002975823647554045
     .955343392502053470   .002372266612249705
     .971163908199380700   .001749573350098504
     .983660023132491570   .001135008737683376
     .992697980810943630   .000581906578538236
     .998169035381853200   .000167286386311848
    1.000000000000000000  -.000000000000000019
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Polars for SA7025 (sa7025-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   sa7025-il50,000938.1 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   sa7025-il50,000541.9 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   sa7025-il100,000960.6 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   sa7025-il100,000560.4 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   sa7025-il200,000983.3 at α=4.5°Mach=0 Ncrit=9Xfoil predictionDetails
   sa7025-il200,000577.9 at α=4.5°Mach=0 Ncrit=5Xfoil predictionDetails
   sa7025-il500,0009111.6 at α=3.5°Mach=0 Ncrit=9Xfoil predictionDetails
   sa7025-il500,000598.6 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
   sa7025-il1,000,0009129.7 at α=3°Mach=0 Ncrit=9Xfoil predictionDetails
   sa7025-il1,000,0005112.4 at α=3.25°Mach=0 Ncrit=5Xfoil predictionDetails
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