Silger Sonex

Build Log for Sonex 0849B

Build Log

  • Ran engine after installing #2.5 AeroInjector needle and re-tapping threads in needle carrier. Got much better results with EGT spread between full rich EGT and peak stumbling coming in around 120 degrees. Engine parameters seemed much more consistent and stabilized…

  • Cleaned wing root surfaces and wing walk doubler. Cut wing walk skateboard grip to size then applied pieces to wing walk area. Applied wing gap seal tape to both wing/fuselage joints. Wing section now complete! Hours Worked: 0.37

  • Applied N-number decals to both sides of fuselage by taping decal sets to sides and “hinging” decals on top with blue painters tape. Right side worked better to prevent bubbles by cutting numbers and letters apart after taping the entire…

  • Used 1/2″ fine line tape to create layout for vinyl striping. Applied tape to wings, ailerons, tail surfaces, and fuselage sides. Temporarily applied green masking tape to fuselage sides to help guide N-number placement. Hours Worked: 0.79

  • Finished riveting aft fuselage floor. Riveted forward fuselage floor working one line of rivets at a time to make sure proper sizes were used. Installed plug in aft fuselage floor to protect tail spring bolt. Riveted data plate on LH…

  • Began final installing fuselage floors by installing AN525 hardware in the forward lower engine mounts, the aft splice plates, and the tailwheel mount bulkhead. Final installed antennas, autopilot servos, seat pans, fuselage side panels, and seats. Began riveting aft fuselage.…

  • Remade lower cowl hinge pin from piano hinge pin stock. Drilled mounting holes and installed Camlock receptacle in upper cowl. Installed Camlock stud into oil door and tested oil door latching; ops check good. Hours Worked: 0.67

  • Reassembled AeroInjector with new throttle cable and 2.5 needle. Reinstalled AeroInjector onto engine and attached controls. Reinstalled safety wire and attached new air filter element. Used safety wire to temporarily hold up oil cooler baffle for engine runs. Final installed…

  • Cut 0.025″ aluminum sheet and extra SNX-Z03-02 stock to create elevator pushrod cover in baggage compartment. Riveted pieces together then installed Velcro strips on baggage compartment floor and cover. Installed pushrod tunnel and verified no interference with flight controls. Cut…

  • Aligned aft fuselage floor and clecoed to fuselage. Riveted forward floor stiffener and gussets to firewall and forward spar tunnel zee. Clecoed forward fuselage floor onto fuselage ensuring gussets and spacers stayed aligned properly. Floor now ready to rivet. Hours…

  • Completed Sonex service bulletin SNX-SB-015 by replacing AN hardware in both gear legs with NAS hardware specified in service bulleting. Snugged all bolts then backed off nuts 1/4 turn before applying torque seal. Hours Worked: 0.80

  • Finished color sanding and polishing process with left and right side of fuselage. Used same process as previously described. Opted to not color sand blue paint on fuselage sides. Polishing complete! Hours Worked: 1.85