2120

2120

OTHER: Aerodynamics - Blade Profile - Wortmann FX 60-126

Drawing:

Notes:

This airfoil is being considered for the Electrotor-SloMo's blade root.

For more information on this airfoil see; AID ~ Airfoil Investigation Database ~ WORTMANN FX 60-126

Aerodynamics:

Alpha @ zero lift [AlphaL0] came from NVFoil calculation.

Airfoil	Wortmann FX 60-126
Alpha @ zero lift [AlphaL0]
Thickness	12.6%
Camber	3.6%
Trailing edge angle[deg]	4.1º
Lower flatness:	52.8%
Leading edge radius	1.7%
Max C_L:	1.491
Max C_L angle:	10.0º
Max L/D:	170.361
Max L/D angle:	5.0º
Max L/D C_L:	1.149
Stall angle:	10.0º
Zero-lift angle: -4.5	-4.5º

The following table is from NVFoil

Alpha	Cl	Cd	Cm	Ctr of Lift
-5	-0.046	0.007	-0.123	47% of C
-4	0.071	0.005	-0.122	47% of C
0	0.541	-0.003	-0.121	47% of C
2
5	1.129	-0.002	-0.119	35% of C
6
8
10	1.709	0.012	-0.117	32% of C
12

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Last Revised: Sunday, February 9, 2012