Research Article
Vibration and Performance Analyses Using Individual Blade Pitch Controls for Lift-Offset Rotors
Table 1
General properties of XH-59A lift-offset compound helicopter.
| | Hub type | Hingeless |
| | Radius (ft) | 18 | | Number of rotors | 2 | | Number of blades | 3 | | Total solidity, | 0.127 | | Tip speed (ft/sec), | | | Helicopter mode | 650 | | Compound helicopter mode | 450 | | Maximum speed (knots) | | | Helicopter mode | 160 | | Compound helicopter mode | 240 | | Horizontal tail | | | Area (ft2) | 60 | | Span (ft) | 15.50 | | Tail length (ft) | 20.30 | | Vertical tail | | | Area (ft2) | 30 | | Span (ft) | 12 | | Tail length (ft) | 20.30 | | Fuselage | | | Length (ft) | 40.5 | | Width (ft) | 6.08 | | Height (ft) | 6.08 | | Rotor separation (ft) | 2.5 | | Power plants | | | Lift | PT6T-3 turboshaft engine | | Thrust | J60-P-3A turbojet engine |
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