EPPLER 838 HYDROFOIL
EPPLER E838 HYDROFOIL AIRFOIL
New! Bulk download of polars in Excel format:
e838.xlsx Curve fits of basic Javafoil data for EPPLER 838 HYDROFOIL, smooth airfoils, Mach 0:
Re:
500k |
1M |
3M |
6MRe = 500k | 1M | 3M | 6M
Lift: Cl = f(α) = -2.312e-04*α
3 + -2.180e-12*α
2 + 1.278e-01*α + 4.852e-24
Drag: Cd = f(α) = 3.179e-08*α
3 + 1.766e-04*α
2 + -2.963e-06*α + 5.762e-03
Moment: Cm = f(α) = 1.529e-06*α
3 + -2.105e-13*α
2 + -2.386e-03*α + 4.822e-24
Lift: Cl = f(α) = -2.374e-04*α
3 + -2.183e-12*α
2 + 1.288e-01*α + 4.646e-24
Drag: Cd = f(α) = 1.371e-08*α
3 + 1.576e-04*α
2 + -1.475e-06*α + 4.367e-03
Moment: Cm = f(α) = 1.020e-06*α
3 + 8.538e-07*α
2 + -2.387e-03*α + -2.664e-05
Lift: Cl = f(α) = -2.353e-04*α
3 + -4.342e-07*α
2 + 1.295e-01*α + 4.313e-05
Drag: Cd = f(α) = 1.231e-08*α
3 + 1.239e-04*α
2 + -1.251e-06*α + 3.575e-03
Moment: Cm = f(α) = 1.103e-06*α
3 + -3.088e-13*α
2 + -2.411e-03*α + 4.794e-24
Lift: Cl = f(α) = -2.329e-04*α
3 + -4.342e-07*α
2 + 1.299e-01*α + 4.313e-05
Drag: Cd = f(α) = 6.771e-09*α
3 + 1.006e-04*α
2 + -8.499e-07*α + 3.928e-03
Moment: Cm = f(α) = 1.240e-06*α
3 + -3.090e-13*α
2 + -2.430e-03*α + 4.774e-24