Table 5. Analysis result of critical moment of spar

BL (mm) Critical moment Applied moment M.S. BL (mm) Critical moment Applied moment M.S.
0 1.5x107 1.1x107 0.44 6000 3.1x106 1.6x106 0.95
500 1.5x107 9.7x106 0.60 6500 2.5x106 1.2x106 1.08
1000 1.4x107 8.7x106 0.59 7000 2.1x106 8.9x105 1.39
1500 1.4x107 7.7x106 0.79 7500 1.4x106 6.4x105 1.17
2000 1.1x107 6.9x106 0.64 8000 1.1x106 4.4x105 1.50
2500 1.1x107 6.0x106 0.79 8500 8.7x106 2.9x105 2.01
3000 8.2x106 5.2x106 0.58 9000 7.0x106 1.7x105 3.00
3500 7.6x106 4.5x106 0.70 9500 3.5x106 1.0x105 2.43
4500 5.4x106 3.1x106 0.73 10000 3.2x106 4.8x104 5.79
5000 3.4x106 2.5x106 0.32 10500 2.3x106 2.5x104 8.00
5500 3.2x106 2.0x106 0.59