Research Article
Study on Helicopter Antitorque Device Based on Cross-Flow Fan Technology
Table 5
Summary of the measurement uncertainties.
| | Parameters | Uncertainty |
| | Force balance (kg) | ±0.03% | | Data acquisition resolution | ±0.05% | | Free stream velocity (m/s) | ±0.5% | | Free stream deflection angle (°) | ±0.1% | | Model installation angle (°) | ±1% | | Rotor collective pitch angle (°) | ±1% |
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