Fuel Conservation Evaluation of U.S. Army Helicopters. Part 3. UH-1H flight Testing

Fuel Conservation Evaluation of U.S. Army Helicopters. Part 3. UH-1H flight Testing

The United States Army Aviation Engineering Flight Activity conducted level flight performance tests of the UH-1H helicopter to provide data to determine the most fuel efficient operating characteristics. Hot and cold weather test sites were used to extend the advancing tip Mach number data range to...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Stellar, Fred, Underwood, Donald L, Dominick, Floyd
Format: Report
Sprache:eng
Schlagworte:
ALTITUDE
EFFICIENCY
FLIGHT MANEUVERS
FUEL BURN UP
FUEL CONSUMPTION
FUEL EFFICIENCY
Fuels
HELICOPTER ROTORS
Helicopters
LEVEL FLIGHT
LPN-DA-1K-1-DT043-01-1K-1K
MACH NUMBER
OPTIMIZATION
RATES
Transport Aircraft
UH-1H AIRCRAFT
UTILITY AIRCRAFT
VELOCITY
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Beschreibung
Zusammenfassung:The United States Army Aviation Engineering Flight Activity conducted level flight performance tests of the UH-1H helicopter to provide data to determine the most fuel efficient operating characteristics. Hot and cold weather test sites were used to extend the advancing tip Mach number data range to supplement existing YUH-1H performance data. Based on preliminary analysis, range can be increased significantly at optimum altitude and rotor speed compared to sea level and normal rotor speed (324 RPM). Rotor compressibility effects were significant at all test conditions.