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

Table 2

Load comparison data of section 1.

Flapwise moment test value (Nm)	Flapwise moment calculated value (Nm)	Error	Edgewise moment test value (Nm)	Edgewise moment calculated value	Error
−165.801	−167.969	0.013	165.801	157.501	−0.050
−331.602	−335.938	0.013	331.602	316.314	−0.046
−496.496	−501.153	0.009	496.496	482.815	−0.028
−661.951	−666.368	0.007	661.951	630.315	−0.048
−827.061	−828.830	0.002	827.061	797.972	−0.035
−661.951	−663.615	0.003	661.951	629.315	−0.049
−496.496	−498.400	0.004	496.496	470.971	−0.051
−331.602	−333.184	0.005	331.602	315.470	−0.049
−165.801	−167.969	0.013	165.801	158.813	−0.042