0 10 0.01 20 0.02 30 r=H/ i r=2H/3 45° 0.03 60 5 90 -0.04 02 0.4 0.6 0.8 r/h FIG. 5: The bending moment, divided by the weight and the height of the chimney, is shown as a function of the height fraction for several angleFIG. 5: The bending moment, divided by the weight and the height of the chimney, is shown as a function of the height fraction for several angles. 10