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Data and calculated performance
| Producer |
HPH Ltd. 28401 Kutna Hora
Czech Republic |
| Model / Configuration |
304CZ 15 meter |
| Material |
CfC |
| Number of seat |
1 |
| Dimensions |
| Wing |
| Span |
15m / 49.21 ft |
| Area |
9.88 m2 / 106.35 sqft |
| Aspect Ratio |
22.78 |
| Fuselage |
| Length |
6.45m / 21.16 ft |
| Height |
1.36m / 4.46 ft |
| Weights |
| Empty |
235kg / 518.0 lb |
| Max. AUW |
450kg / 992.07 lb |
| Max. Wing loading |
45.55 kg/m2 / 9.33 lb/ft |
| Min. Wing loading |
30.80 kg/m2 / 6.31 lb/sqft |
| Waterballast |
115L / 30.37 gal |
| Wt. Non lifting Parts |
300kg / 661.4 lb |
| Limitations |
| VNE |
250km/h - 155.35 mph |
| Stall speed (at max AUW) |
73km/h - 45.36 mph |
| min. sink |
0.56 m/s - 1.83 ft/sec |
| at speed - normal wt |
60 km.h - 37.30 mph |
| Best L/D (at max AUW) |
44 |
| at speed |
116 km/h - 72,86mph |
L/D and Speed Polars Calculated - not yet tested
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