Silger Sonex

Build Log for Sonex 0849B

Build Log

  • Placed newly rebuilt elevator onto horizontal stabilizer to check fitment; fit checked good with overall width not changing. Reinstalled elevator hinge pins then reinstalled vertical tail and rudder. Checked elevator travel and verified 23 degrees up travel and 24 degrees…

  • Verified flatness and squareness of elevator assembly on workbench then final drilled inboard elevator ribs using existing holes in elevator skin. Disassembled, deburred, then riveted elevators together. Hours Worked: 1.27

  • Located new inboard elevator ribs onto elevator horn per B model plans; made sure horn was all the way forward on ribs to increase uptravel limits. Drilled new holes in ribs from existing elevator horn. Disassembled and debuted holes in…

  • Finished cutting out access holes in right side of panel blank. Test fit right panel with circuit breakers installed for clearance; fit okay. Temporarily reinstalled panel backer into fuselage with clecos. Hours Worked: 1.18

  • Located GPS175 tray brackets onto tray and marked hole locations. Drilled screw holes into side brackets then installed 8-32 nutplates. Attached brackets to tray and mocked up location on panel backer. Updrilled bracket attach holes then prepped brackets and panel…

  • Continued cutting out holes for instruments in panel backer. Test fit with components part-way through cutting. Began prepping GPS175 tray for installation by cutting out side brackets from .063 sheet. Bent brackets and drilled lighting holes. Cut out notch in…

  • Continued locating and installing nutplates into panel blank. Marked access hole locations on RH side of panel blank. Marked hole centers and began cutting out instrument holes into panel backer. Hours Worked: 2.57

  • Continued prepping panel flange by dimpling right side flange and installing nut plates. Installed flanges back onto glareshield and checked fitment with panel and panel covers. Removed panel and covers and marked hole and cutout locations on panel. Cut a…

  • Began prepping panel for final riveting and installation by mocking up panel covers on panel backer. Fitment was just a little tight so filed away some material from inside edges of panel covers. Removed panel and flanges and dimpled every…

  • After some reflection on the slight shortcoming of up elevator travel, it was decided that the elevator horn should be removed and repositioned slightly forward to enable more up-travel. While the existing elevator horn will be retained the inboard elevator…

  • Mocked up ELT location on rear shear web and marked vertical stabilizer on where skin needs to be trimmed. Removed vertical stabilizer and marked out mounting hole location on shear web. Trimmed vertical stabilizer skin and riveted ELT mount and…

  • Mocked up vertical stabilizer into place and noticed elevator horn was impacting vertical stabilizer skin and preventing full motion. Removed vertical stabilizer and trimmed skin at base. Continued to file elevator horn to ensure full 25 degrees of pitch up.…