International Journal of Aerospace Engineering / 2019 / Article / Tab 1

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 typeHingeless

Radius (ft)18
Number of rotors2
Number of blades3
Total solidity, 0.127
Tip speed (ft/sec),
 Helicopter mode650
 Compound helicopter mode450
Maximum speed (knots)
 Helicopter mode160
 Compound helicopter mode240
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
 LiftPT6T-3 turboshaft engine
 ThrustJ60-P-3A turbojet engine

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