STEMME S12, Maintenance Manual

Page: 28 / 290

DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: --
CHAPTER- PAGE 2-2
MAINTENANCE MANUAL STEMME S12
2.1 TECHNICAL DATA
FUSELAGE
Design
Front section CFRP-Kevlar-GFRP-structure, center
steel frame, GFRP-fairing, tail boom with inte-
grated vertical tail fin (CFRP).
Length 8.42 m 27.62 ft
Width 1.18 m 3.87 ft
Cockpit width 1.16 m 3.81 ft
Cockpit height 0.93 m 3.05 ft
Height of tail unit 1.75 m 5.74 ft
WING
Design
5 sections CFRP-Spar with GFRP-shearweb,
CFRP-sandwich skin.
Wing span 25.07 m 82.25 ft
Center wing span 9.90 m 32.48 ft
Wing area 19.95 m² 214.75 sqft
Aspect ratio 31.5
Dihedral angle (V-form) 0.75° / 1.75° / 4°
Mean aerodynamic chord 0.741 m 2.43 ft
Wing Airfoil HQ41/14.35
Sweep of wing center section leading edge 0°
Sweep of outboard wing leading edge up to the bend 0°
AIR BRAKES
Type
Two blade Schempp-Hirth type, position outer
part of wing center section.
Length 1.50 m 4.92 ft / 59.01 in
Area 0.22 m² 2.37 sqft
Maximum height above wing upper surface. 0.16 m 0.52 ft / 6.29 in
HORIZONTAL TAIL
Design
Web GFRP, skin CFRP-Sandwich, elevator
GFRP-Sandwich.
Span 3.10 m 10.17 ft
Area 1.46 m² 15.72 sqft
Aspect ratio 6.58
Airfoil FX 71-L-150/25