The particular design features and an overview of the successful ground and flight testing of MBB (Messerschmitt-Boelkow-Blohm) the BO 108 light twin engine helicopter, designed for integrating new technologies into the next generation of helicopters are described. Technology innovations include the composite bearingless main rotor system, new aerodynamic blade design, tail rotor with elastomeric bearings, composite structures, anti-resonance vibration isolation system, electrical and avionic systems, new gearbox design, and engine integration. These components were tested and evaluated separately and mounted in the prototype. The ground test evaluation contained aeroelastic stability on the whirl tower, shake tests of the fuselage, and ground resonance tests. The main items of the flight test were air resonance stability, loads, flight performance, handling qualities, and the flight envelope survey. Besides verifying the new technologies, the flight behavior of the new helicopter was rated as excellent by the pilots and flight test analysis confirmed the expected performances.
MBB BO 108 Helicopter Ground and Flight Test Evaluation
1989
21 pages
Report
Keine Angabe
Englisch
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