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Amphibionics 06  3/24/03  9:02 AM  Page 200
                      FIGURE 6.9
                      Cutting, bending, and
                      drilling guide for               Amphibionics
                      mounting brackets.



















                                          Fabricate four leg support brackets using the 1/16-inch aluminum,
                                          as detailed in Figure 6.9. These pieces are identified by the letters
                                          B, C, D, and E. When the pieces are finished, use a file to remove
                                          any rough edges.

                                          Create  a  single  support  bracket  according  to  the  dimensions
                                          shown in Figure 6.9. This part is labeled piece F, and is also con-
                                          structed using the 1/16-inch aluminum. Fabricate two L-shaped
                                          limit  switch  mounting  brackets  identified  as  pieces  G  and  H  in
                                          Figure 6.9, also using the 1/16-inch aluminum.

                                          Attach the leg mounting brackets (pieces B, C, D, and E) to the
                                          body chassis (piece A) using four 6/32-inch   1/2-inch machine
                                          screws and locking nuts, as shown in Figure 6.10. Note that when
                                          pieces B and C are mounted, the 1/4-inch side of each bracket is
                                          attached to the chassis, and when pieces D and E are mounted,
                                          the 1-inch side of each bracket is attached to the chassis. Figure
                                          6.10 shows the mounting brackets attached to the robot chassis.



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