| Wind systems for pumping water: A training manual |
TOTAL TIME: 1 Hour
OBJECTIVES: To arrive at an understanding of the different types of drawings used to represent design of machinery for construction.
To practice drawing and tracing.
To learn the names of the parts of windmills using drawings.
MATERIALS: Pencils, typewriter paper and straight-edge for all participants.
Step 1: 5 minutes
Pass out pencils, paper, and examples of two and three dimensional and exploded or isometric drawings.
Step 2: 10 minutes
Compare types of drawings and practice drawing or tracing them.
If possible, have scale model of a type of mill that is to be built during this training. Point out the features of this mill that correspond to the drawings.
Step 3: 5 minutes
Pass out overhead, front, and side view drawings and compare them.
Pass out and discuss cross-sectional drawings, making sure that everyone understands them and how they differ from the previous handouts.
Step 5: 35 minutes
Draw or trace the examples.
RESOURCES: Copies of Attachments 5-A and 5-B
Figure 1: 3-Dimensional (Isometric) View (Scale ¼ in. = 1 ft.)
Figure 2: 3-Dimensional (Isometric) View (Scale ¼ in. = 1 in.)