Figure 33: Top view of door assembly
Pulley System
1. Using the vertical band saw, cut off two 20” by 1.75” by 0.75” pieces of wood.
2. Using the vertical band saw, cut off two 3’’ long segments from the 1’’ diameter dowel.
3. Using the cordless power drill, drill a centered hole with a 0.125’’ drill bit that is 6’’ off
the origin of the wood on each of the two 20” long pieces of wood.
4. Using the cordless power drill, drill a centered hole with a 0.125’’ drill bit that is 19’’ off
the origin of the wood on each of the two 20” long pieces of wood.
5. Using the cordless power drill, drill centered holes on each side of the two dowels with
the 0.125’’ drill bit.
6. Using the cordless power drill, connect the wooden dowels to one side of the 20’’ long
pieces of wood at the locations where holes were previously drilled.
7. Place pulleys into dowels
8. Using the cordless power drill, connect the wooden dowels to the other 20’’ long piece of
wood at the locations where holes were previously drilled.
9. Using the cordless power drill, drill centered holes with a 0.125’’ drill bit that are 4’’
from each end of the 12’’ piece of wood.
10. Using the cordless power drill, drill holes in the center of the heightdepth plane of the
20’’ pieces of wood with the 0.125’’ drill bit. See Figure 34 for a completed picture.
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