Flex Shim Concept 1 Shim to Bottom Block Weld                        Test Completed 10/1/07 All welds were completed using the TIG welding process at 195 Amps with 1/16th” 308 welding wire and 3/32”Tungsten Front Gap              .000                                                      Start           4.47       1st Pass Rear Gap                .000                                                      Finished     4.47                                                                                              Cooled       4.49 Front Gap              .000                                                   Finished     4.48        2nd Pass Rear Gap                .000                                                     Cooled       4.51 Front Gap              .002                                                    Finished     4.47        3rd Pass Rear Gap                .000                                                      Cooled       4.48 Front Gap              .002                                                     Finished    4.52       4th Pass Rear Gap                .000                                                     Cooled      4.53 Front Gap              .002                                                  Finished     4.53       5th Pass Rear Gap                .000                                                  Cooled       4.54 Front Gap              .002                                                Finished     4.57              6th Pass Rear Gap                .000                                                 Cooled       4.59 Front Gap              .002                                                     Finished       4.62       7th Pass Rear Gap                .000                                                     Cooled       4.59 Completely Cooled Front Gap              .002                                         Completely Cooled 4.57 Rear Gap                .000 Clamp Released                                                     Gap Reduced to .000          0.68 Front Gap              .047 Rear Gap                .000 ================================================================================================ Flex Shim Concept 1 Shim to top Block  10/2/07                                                                                                Page 1 All welds were TIG Welded Using 195 Amps with 3/32nd Tungsten and 1/16”b 308 Wire Top                                                                                         Start         3.36                                  1st Pass Gap Front              .000         Gap Rear                .004                                                         Finished   3.29                                                                                                 Cooled     3.30 Bottom Gap Front              .000 Gap Rear                .000 Top                                                                                         Finished   3.29                                       2nd Pass Gap Front              .000                                                         Cooled     3.32       Gap Rear                .004 Bottom                   Gap Front              .004 Gap Rear                .000 Top                                                                                         Finished    3.31                                      3rd Pass Gap Front              .000                                                         Cooled     3.35       Gap Rear                .007 Bottom Gap Front              .002 Gap Rear                .000 Top                                                                                         Finished 3.36                                        4th Pass Gap Front              .000                                                         Cooled    3.28        Gap Rear                .007 Bottom Gap Front              .004 Gap Rear.               .000 Top                                                                                                                         5th Pass Front      .000                                                         Finished                 3.27 Rear        .000                                                         Cooled                   3.30 Bottom Front      .010 Rear        .000 Top                                                                                                                         6th Pass Front      .000                                                         Finished                 3.32 Rear        .000                                                         Cooled                   3.33 Bottom Front      .010 Rear        .000 Top                                                                                                                         7th Pass Front      .000                                                         Finished                 3.33 Rear        .000                                                         Cooled                   3.36 Bottom Front      .016 Rear        .000