SOCATA
MODEL TB 20
SECTION 7
DESCRIPTION
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© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
- All rights reserved
June 30, 1988
Revision 8
7.6
Wings characteristics :
Profile
RA16-3C3
Aspect ratio
8
Dihedral
6
°
3
Aerodynamic chord
4.002 ft – 1.220 m
True chord
4.085 ft – 1.245 m
Wing area
128.091 sq.ft – 11.90 m
2
Wing setting
+ 3
°
Ailerons :
Unit area
4.897 sq.ft – 0.46 m
2
Mean span
4.081 ft – 1.244 m
Recoil and slotted type wing flaps :
Area 20.021 sq.ft – 1.86 m
2
Mean span
8.366 ft – 2.550 m
EMPENNAGE
The vertical stabilizer consists of a fin, a rudder and a controlled tab.
The horizontal stabilizer is of stabilator type with an automatic anti–tab
controlled in its stabilator tab function.
Both are of conventional metal structure type (spar, ribs and skin).
Empennage characteristics :
Conventional type vertical stabilizer :
Fin area Pre–MOD.151
9.472 sq.ft – 0.88 m
2
Fin area Post–MOD.151
11.194 sq.ft – 1.04 m
2
Rudder area
6.781 sq.ft – 0.63 m
2
Controlled rudder tab
0.474 sq.ft – 0.04 m
2
Stabilator type horizontal stabilizer :
Span
12.07 ft – 3.680 m
Stabilator area,
anti–tab included
32.938 sq.ft – 3.06 m
2
Tab area
5.328 sq.ft – 0.50 m
2
Tab automaticity
104 %