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P
reface
Rotor
A
eromechanics
and Helicopter Design
Aeromechanics
F
undamentals
Airloads Program
E
xperiments
Airloads Program
R
esults
Credits
Introduction
Analytical Methods
Testing History
Introduction
Design Overview
Hover Performance
VROC Performance
OEI Performance
Maximum Level Flight Speed
Maneuver Loads
Transition Vibration
Noise in Approach
Introduction
Airfoil Characteristics
Nonlinear Aerodynamics (Transonic Flow)
Induced Flow
Rotor Wake
Beam Theory
Flap Bending Moments
Chord Bending Moments
Torsion Moments
Rotating/Fixed System
Rotor Stability
Harmonics
Introduction
Why Experiment?
DNW/Flight/40x80
Instrumentation
Sampling Rates and Word Size
Linear Calibrations
Bag Cals
Strain Gauge Cals
Nonlinear Cals
Pressure Transducer Failure Modes
Transducer Location Check
Pressure Integration
Instrumentation Checks
Rotor Thrust
Flap Bending Moments
Chord Bending Moments
Torsion Moments
Shaft Bending and Flap Angle
Introduction
Instrumentation
Hover Performance
Comparison with Previous Data
Hover Point
Hover in Winds
Vertical Rate of Climb
Forward Flight Performance
Airspeed Sweeps
Comparison with Previous Data
Power Calibration
Airloads
Structural Loads
Low Speed Vortex Loading
Low Speed Vibration
High-speed Transonic Loading
Blade Loading
Airfoil Loading
High-speed Power Limits
Maneuver Loads
Dynamic Stall Level Flight
Dynamic Stall UTTAS Pull-up
Rotor Map for All Maneuvers
Limit Dive Speed Case
Ground Acoustics
Crows Landing Airfield
Climb/descent Matrix
Descents
In-flight Acoustics
UH-60A and YO-3A
test matrixes
normal forces (17-120)