Silger Sonex

Build Log for Sonex 0849B

Build Log

  • Removed rigging hardware from main wing spars through the three center holes in the spar webs. Slid RH wing out slightly for better access to fuselage side. Located wing root electrical connector and cut out hole for pass through. Drilled…

  • Finished drilling main wing attach holes by using drill guide to drill 3/8″ holes in forward wing attach angles (from back to front) then updrilling each side to 1/2″. Wing pins fit it snug and wings do not wiggle on…

  • Began wing rigging process by inserting RH wing into spar box then inserting LH wing. Supported wing tips with saw horses while trying to align the three rigging holes between the two spars. Process went much easier with three people:…

  • Removed aileron bellcrank access covers from wings and inserted C03-01 main aileron pushrods into wings. Attached to aileron bellcrank with AN3 hardware and castle nut. Installed C03-03 flap pushrods onto flaps with AN4 hardware. Hours Worked: 0.98

  • Removed forward tunnel zee and forward wing attach angles from fuselage. Updrilled alignment holes in forward and aft spar tunnels to 5/8″ to facilitate rigging bolts. Removed wing root doubelers from wings in preparation for wing rigging procedure. Began process…

  • 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