Experiment Manual
Kit Components No. Description Quantity Part No.
Table of Contents The Air Never Rests . . . . . . . . . . . . 6 28 29 Renewable Energy . . . . . . . . . . . . . 7 Windmills of Yesterday and Today . . . . . . . . . . . . . . . . . . . . 8 Your Windmill . . . . . . . . . . . . . . . . 9 23 24 22 Let’s Build the Wind Power Plant . . . . . . . . . . . . . . . . . 10 Components and Mounting . . . . 11 The First Power Test . . . . . . . . . . .
angle template What determines rotation speed? Rotation speed indicates the number of rotations or revolutions per second or minute. The following facts determine the rotation speed: The wind speed The size of the windmill The number of blades The shape of the blades The required power Adjust the blade angle by twisting the rod mount on the hub. The angle template cutouts will help.
Windy Measurements pin hangs 3 cm below the bottom edge of the vane. Hide the knot inside the pin and center it. Scale Small frame String (8) Shaft plugs (3) Joint pin The string is the pointer. When there is no wind, it is on zero. It travels up the scale depending on the strength of the wind. It indicates speed in meters/second. (A bicycle goes about 4 m/s on average.) The wind gauge isn’t one hundred percent accurate, but you can use it to compare measurement results under the same wind conditions.
