1.5. DIMENSIONS
DIAMOND DA-20 KATANA
1.5.1 Overall Dimensions
Span: 35 ft 7 in (10.84 m)
Length: 23 ft 6.0 in ( 7.17 m)
Height: 6 ft 11.0 in ( 2.10m)
1.5.2 Wing
Airfoil: Wortmann FX 63-137/20 HOAC
Wing Area: 125 sq.ft. (11.6 m2 )
Mean Aerodynamic Chord (MAC): 3 ft 6.9 in ( 1.09 m)
Aspect Ratio: 10.0
Dihedral: +4° nominal
Sweep of Leading Edge: +1° nominal
1.5.3 Horizontal Stabilizer
Angle of Incidence : -2.5° ±0.5°
Span: 8 ft 8 in (2.65 m)
1.5.4 Landing Gear
Track: 6 ft 3 in (1.90 m)
Wheel Base: 5 ft 9 in (1.75 m)
Tire Size:
Nose: 4.00-4 (TOST) 5.00-4 (GOODYEAR)
Main: 15 x 6.00-5 (GOODYEAR) or 5.00 x 5, 6 Ply (TSO C62)
Tire Pressure:
Nose: 26 psi (1.8 bar)
Main: 33 psi (2.3 bar)
1.6. ENGINE
Rotax 912S, 4 Cylinder, 4 Stroke-Engine, horizontally opposed, liquid cooled cylinder heads, air-cooled cylinders.
Propeller drive via integrated reduction gear.
Reduction Ratio: 2.43 : 1
Displacement: 82.5 cu.in. (1.352 liters)
Output Power: 100 hp (73.5 kW)
at 2385 RPM
1.7.PROPELLER
Two-bladed variable pitch propeller, manufactured by HOFFMANN,
Constant speed, hydraulic pitch control
model HO-V352F/170FQ OR model HO-V352F/C170FQ
Range of Pitch Angle: 10 - 35
Diameter: 5 ft 6.9 in (1.70 m)





