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304S 18 meter
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304S 15 meter
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Geometry
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|
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Wing Span
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18 m /
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59 ft
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15 m /
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49,2 ft
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Wing Area
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11.8 m2 /
|
127 ft2
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9.9 m2 /
|
107 ft2
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Aspect Ratio
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27.43
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22.57
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Fuselage Length
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6.79 m /
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22.28 ft
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6.79 m /
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22.28 ft
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Overall Height
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1.48 m /
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4.86 ft
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1.48 m /
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4.86 ft
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Fuselage Height
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0.83 m /
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2.72 ft
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0.83 m /
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2.72 ft
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Fuselage Width
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0.62 m /
|
2.03 ft
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0.62 m /
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2.03 ft
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Wing Airfoil
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HPH xn2 *
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HPH xn2 *
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Weight
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Empty Weight
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280 kg /
|
617 lb
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260 kg /
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573 lb
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Maximum Weight
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600 kg /
|
1323 lb
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550 kg /
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1212 lb
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Water ballast
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250 l /
|
66 US gal
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220 l /
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58 US gal
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Min. Wing Loading
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29.6 kg/m2 /
|
6.0 lb/ft2
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33.3 kg/m2 /
|
6.8 lb/ft2
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Max. Wing Loading
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50.8 kg/m2 /
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10.4 lb/ft2
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55.5 kg/m2 /
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11.4 lb/ft2
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Glide Performance
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|
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Best Glide Ratio
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51.2
|
45.3
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at speed
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125 km/h /
|
77.7 mph / 67.5 kt
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130 km/h /
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80.8 mph / 70.2 kt
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Min. Sink Rate (min. weight)
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0.44 m/s /
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82.8 ft/min
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0.52 m/s /
|
102 ft/min
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at speed
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66 km/h /
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41 mph
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72 km/h /
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44.7 mph
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Limitations
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Stall Speed at max. weight
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88 km/h /
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55 mph / 47.5 kt
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87 km/h /
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54.7 mph / 47 kt
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VNE
|
280 km/h /
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174 mph / 151 kt
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280 km/h /
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174 mph / 151 kt
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* modified HQ10-16-42, thickness reduced to 13.2%, 16.4% at the root
Note: All performance data are based on theoretical computations and have not been verified in the flight tests. The information is subject to change.
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