Measurement Technique and Result Analysis of Helicopter Rotor Blade Structural Vibration Load

Table 3

Load comparison data of section 3.

Flapwise moment test value (Nm)	Flapwise moment calculated value (Nm)	Error	Edgewise moment test value (Nm)	Edgewise moment calculated value	Error
−125.381	−121.970	−0.027	125.381	119.964	−0.043
−250.762	−247.028	−0.015	250.762	237.075	−0.045
−375.457	−368.998	−0.017	375.457	357.186	−0.049
−500.577	−495.600	−0.010	500.577	497.019	−0.007
−625.436	−619.114	−0.010	625.436	607.409	−0.029
−500.577	−498.688	−0.004	500.577	485.724	−0.030
−375.457	−373.630	−0.005	375.457	352.466	−0.041
−250.762	−247.028	−0.015	250.762	245.222	−0.022
−125.381	−123.514	−0.015	125.381	120.390	−0.040