EPPLER 421 AIRFOIL (e421-il)
EPPLER 421 AIRFOIL - Eppler E421 high lift airfoil
| Details | Dat file | Parser | |
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(e421-il) EPPLER 421 AIRFOIL Eppler E421 high lift airfoil Max thickness 14.5% at 26% chord. Max camber 8.6% at 37.4% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Lednicer format |
EPPLER 421 AIRFOIL
34. 39.
0.0002600 0.0025000
0.0024400 0.0144400
0.0083500 0.0277900
0.0180100 0.0420100
0.0313900 0.0566500
0.0484000 0.0713400
0.0689400 0.0857400
0.0928500 0.0995300
0.1199200 0.1124400
0.1499200 0.1241900
0.1825500 0.1345200
0.2175100 0.1431800
0.2544300 0.1498200
0.2931300 0.1540500
0.3335100 0.1556500
0.3755300 0.1544200
0.4193300 0.1504600
0.4648300 0.1442500
0.5116000 0.1362300
0.5591700 0.1267700
0.6070200 0.1162100
0.6545900 0.1049200
0.7012800 0.0932200
0.7464800 0.0814400
0.7895401 0.0698500
0.8298300 0.0586800
0.8667300 0.0481000
0.8996601 0.0382300
0.9280500 0.0290200
0.9517300 0.0201900
0.9711300 0.0119400
0.9863000 0.0052800
0.9963900 0.0012600
1.0000000 0.0000000
0.0002600 0.0025000
0.0003000 -.0003500
0.0006600 -.0033400
0.0011000 -.0051900
0.0016900 -.0068800
0.0020400 -.0076700
0.0024500 -.0084100
0.0029100 -.0090800
0.0034600 -.0097000
0.0041000 -.0102900
0.0048300 -.0108700
0.0064800 -.0119800
0.0083900 -.0130300
0.0117000 -.0145100
0.0218500 -.0175800
0.0401900 -.0202200
0.0636800 -.0208700
0.0922800 -.0193900
0.1260800 -.0157100
0.1652400 -.0099500
0.2100300 -.0025800
0.2602600 0.0053800
0.3152000 0.0131000
0.3740000 0.0198300
0.4354000 0.0247700
0.4977100 0.0277200
0.5596700 0.0290800
0.6204200 0.0291100
0.6791500 0.0279000
0.7349100 0.0254800
0.7867300 0.0221500
0.8338700 0.0183400
0.8758100 0.0144000
0.9121200 0.0106600
0.9425400 0.0074200
0.9669600 0.0047300
0.9850399 0.0024600
0.9962200 0.0007100
1.0000000 0.0000000
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Polars for EPPLER 421 AIRFOIL (e421-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e421-il | 50,000 | 9 | 5.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 50,000 | 5 | 20 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 100,000 | 9 | 27.7 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 100,000 | 5 | 48 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 200,000 | 9 | 63 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 200,000 | 5 | 74.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 500,000 | 9 | 107.4 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 500,000 | 5 | 109.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 1,000,000 | 9 | 141.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 1,000,000 | 5 | 141.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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