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R140 12.04% (smoothed) (r140sm-il)

R140 12.04% (smoothed) - R140 Quickee 500 airfoil (smoothed)


Airfoil r140sm-il
Details Dat file Parser  
(r140sm-il) R140 12.04% (smoothed)
R140 Quickee 500 airfoil (smoothed)
Max thickness 12% at 39.3% chord.
Max camber 0.4% at 39.3% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
R140  12.04% (smoothed)
   1.00000  0.00000 
   0.97241  0.00403 
   0.94482  0.00786 
   0.91826  0.01163 
   0.88965  0.01578 
   0.86206  0.01981 
   0.83448  0.02376 
   0.80689  0.02755 
   0.77931  0.03118 
   0.75172  0.03467 
   0.72413  0.03803 
   0.69696  0.04126 
   0.66957  0.04441 
   0.64174  0.04752 
   0.61391  0.05051 
   0.58783  0.05317 
   0.56174  0.05567 
   0.53304  0.05816 
   0.50435  0.06032 
   0.47913  0.06190 
   0.45217  0.06321 
   0.42261  0.06417 
   0.39304  0.06458 
   0.36696  0.06443 
   0.34087  0.06380 
   0.31035  0.06248 
   0.28275  0.06080 
   0.25516  0.05874 
   0.22759  0.05629 
   0.20000  0.05342 
   0.17783  0.05073 
   0.16087  0.04837 
   0.14435  0.04578 
   0.13102  0.04347 
   0.11724  0.04088 
   0.10345  0.03813 
   0.08965  0.03524 
   0.07586  0.03218 
   0.06207  0.02888 
   0.04826  0.02515 
   0.03448  0.02075 
   0.02759  0.01816 
   0.02069  0.01524 
   0.01379  0.01193 
   0.00690  0.00801 
   0.00348  0.00553 
   0.00000  0.00000 
   0.00348 -0.00547 
   0.00690 -0.00787 
   0.01379 -0.01151 
   0.02069 -0.01445 
   0.02759 -0.01695 
   0.03448 -0.01911 
   0.04826 -0.02280 
   0.06261 -0.02609 
   0.07652 -0.02896 
   0.09043 -0.03158 
   0.10348 -0.03381 
   0.11739 -0.03597 
   0.13304 -0.03815 
   0.14696 -0.03993 
   0.16174 -0.04172 
   0.17696 -0.04347 
   0.20000 -0.04598 
   0.22759 -0.04868 
   0.25516 -0.05099 
   0.28522 -0.05298 
   0.31035 -0.05423 
   0.33793 -0.05518 
   0.36552 -0.05571 
   0.39310 -0.05583 
   0.42068 -0.05557 
   0.44827 -0.05495 
   0.47586 -0.05402 
   0.50344 -0.05279 
   0.53043 -0.05128 
   0.55861 -0.04932 
   0.58621 -0.04705 
   0.61378 -0.04456 
   0.64130 -0.04201 
   0.66913 -0.03945 
   0.69655 -0.03692 
   0.72431 -0.03424 
   0.75172 -0.03137 
   0.77931 -0.02822 
   0.80870 -0.02466 
   0.83448 -0.02146 
   0.86206 -0.01805 
   0.88870 -0.01477 
   0.91724 -0.01125 
   0.94482 -0.00776 
   0.97241 -0.00407 
   1.00000  0.00000 
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Lednicer format dat file
Selig format dat file

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Polars for R140 12.04% (smoothed) (r140sm-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   r140sm-il50,000922.8 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   r140sm-il50,000529.4 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   r140sm-il100,000943 at α=4.5°Mach=0 Ncrit=9Xfoil predictionDetails
   r140sm-il100,000541.4 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   r140sm-il200,000953.5 at α=4°Mach=0 Ncrit=9Xfoil predictionDetails
   r140sm-il200,000546.5 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   r140sm-il500,000962 at α=4°Mach=0 Ncrit=9Xfoil predictionDetails
   r140sm-il500,000553.3 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
   r140sm-il1,000,000971.1 at α=3.75°Mach=0 Ncrit=9Xfoil predictionDetails
   r140sm-il1,000,000559.8 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
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