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R140 (original) (r140-il)

R140 (original) - R140 Quickee 500 airfoil (original)


Airfoil r140-il
Details Dat file Parser  
(r140-il) R140 (original)
R140 Quickee 500 airfoil (original)
Max thickness 12% at 39.3% chord.
Max camber 0.5% at 42.3% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
R140 (original)
  1.00000     0.00000
  0.97241     0.00414
  0.94482     0.00760
  0.91826     0.01182
  0.88965     0.01565
  0.86206     0.02015
  0.83448     0.02416
  0.80689     0.02709
  0.77931     0.03140
  0.75172     0.03485
  0.72413     0.03795
  0.69696     0.04130
  0.66957     0.04435
  0.64174     0.04761
  0.61391     0.05075
  0.58783     0.05308
  0.56174     0.05565
  0.53304     0.05826
  0.50435     0.06070
  0.47913     0.06174
  0.45217     0.06313
  0.42261     0.06456
  0.39304     0.06428
  0.36696     0.06450
  0.34087     0.06378
  0.31035     0.06266
  0.28275     0.06067
  0.25517     0.05880
  0.22759     0.05659
  0.20000     0.05328
  0.17783     0.05087
  0.16087     0.04870
  0.14435     0.04613
  0.13103     0.04334
  0.11724     0.04072
  0.10345     0.03830
  0.08965     0.03512
  0.07586     0.03224
  0.06207     0.02899
  0.04826     0.02512
  0.03448     0.02098
  0.02759     0.01835
  0.02069     0.01546
  0.01379     0.01208
  0.00690     0.00760
  0.00348     0.00414
  0.00000     0.00000
  0.00348    -0.00415
  0.00690    -0.00760
  0.01379    -0.01160
  0.02069    -0.01491
  0.02759    -0.01753
  0.03448    -0.01933
  0.04826    -0.02278
  0.06261    -0.02609
  0.07652    -0.02957
  0.09043    -0.03131
  0.10348    -0.03391
  0.11739    -0.03565
  0.13304    -0.03826
  0.14696    -0.04000
  0.16174    -0.04174
  0.17696    -0.04304
  0.20000    -0.04570
  0.22759    -0.04845
  0.25517    -0.05107
  0.28522    -0.05304
  0.31035    -0.05397
  0.33793    -0.05498
  0.36552    -0.05529
  0.39310    -0.05572
  0.42068    -0.05526
  0.44827    -0.05471
  0.47586    -0.05384
  0.50344    -0.05255
  0.53043    -0.05130
  0.55862    -0.04936
  0.58621    -0.04695
  0.61379    -0.04454
  0.64130    -0.04174
  0.66913    -0.03913
  0.69655    -0.03668
  0.72431    -0.03451
  0.75172    -0.03134
  0.77931    -0.02831
  0.80870    -0.02435
  0.83448    -0.02139
  0.86206    -0.01781
  0.88870    -0.01470
  0.91724    -0.01128
  0.94482    -0.00760
  0.97241    -0.00415
  1.0000      0.00000
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Lednicer format dat file
Selig format dat file

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Polars for R140 (original) (r140-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   r140-il50,000927.1 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   r140-il50,000528.7 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   r140-il100,000943.2 at α=4.25°Mach=0 Ncrit=9Xfoil predictionDetails
   r140-il100,000536.1 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
   r140-il200,000948.6 at α=3.75°Mach=0 Ncrit=9Xfoil predictionDetails
   r140-il200,000533.4 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   r140-il500,000947.1 at α=3°Mach=0 Ncrit=9Xfoil predictionDetails
   r140-il500,000537.5 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   r140-il1,000,000950.8 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   r140-il1,000,000571.7 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
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