1891.] On the Pressure of Wind on Curved Vanes. 

 Normal Component. From Table I. 



45 



Table II. Axis of Cylinder inclined to the Wind. 

 FIG. 2. 



Section of cylinder. 



Concave surface facing the wind. 

 Position I. Position II. 



Angle of Value of 



incidence. moment. 



127, 129, 133, 125 



20 124,136 



40 121, 139 



50 120,137 



55 *125 



60 *105, *99 



Angle of 

 incidence. 



Value of 

 moment. 



20 121, 133, 122, 127 



40 120, 116 



50 121, 119, 116 



55 116 



60 112, 100 



