Research Article
Platform and State Estimation Design of a Small-Scale UAV Helicopter System
Table 1
Specifications of raptor 90.
| Specification | Raptor 90 |
| Length of fuselage | 1410 mm | Width of fuselage | 190 mm | Main rotor diameter | 1605 mm | Tail rotor diameter | 260 mm | Gear ratio (engine : main : tail) | 8.27 : 1 : 4.65 | Full equipped weight | 4.8 kg |
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