Build Log for Sonex 0849B
Installed control stick ground wire and autopilot ground wire in GB24 ground block. Ran and routed PTT wires from mic jacks to stick grip harness and began populating fuselage side of connector. Attached aux fuse block power and ground wires…
Fabricated auto pilot push rod bracket from spare 2″ aluminum angle and bolted it to bottom LH side of control frame with AN3 hardware. Upon initial fit of the frame, discovered that aileron stops were contacting ends of spar tunnel…
Added fuel to tank in order to test firewall forward side of fuel system. Upon opening fuel shutoff valve, discovered that hardline to system drain was leaking from both AN fittings. Upon removing the line, discovered that the flare fittings…
Finished securing wiring behind instrument panel and underneath sub-panel shelf. Drilled wire hole in bottom of both control sticks for stick grip wiring. Aligned stick grips and drilled pilot hole in grip and control stick. Updrilled holes and tapped stick…
Began initial prop installation by enlarging holes in Jabiru prop bushings from 1/4″ to 3/8″ using drill press. Verified holes in prop did not need any reaming but needed to ream holes in spinner slightly to allow for smooth bolt…
Opted to modify internal wiring inside the Ray Allen G403 stick grips in order to isolate PTT ground from other function ground. Removed screws in stick grip in order to remove circuit board from plastic housing. The default wiring is…
Connected rudder cables to rudder horn per plans and installed rudder cable fairings on fuselage. Installed hardware for elevator push rod and lubricated bushing with LPS-1. Riveted SNB-F23-09 pushrod assembly to fuselage and verified freedom of movement in elevator control…
Epoxied tail spring rod into fuselage using 3M DP8407 metal epoxy to strengthen connection since rod had a little bit of play in tail spring mount bracket. Installed tail spring hardware. Upsized steering linkage rod holes in tail wheel assembly…
Installed aux power fuse block and SkyView splitter on underside of cross tie box with rivnuts. Worked on organizing and securing wiring under panel with zip ties and adhesive pads. Cut off unused EMS wires and secured into bundle in…
Began process of bleeding brakes using traditional pressure method but discovered half way through that tee fitting on cockpit floor was weeping slightly. Removed tubes from tee and installed new couplers on tube. Reattached tubes and tightened fittings by hand…
Soldered shielded wire bundles onto copilot headset and passenger jacks. Installed both jacks on copilot side panel and routed wires to main intercom harness. Pinned connects at harness side then tested copilot side audio. Realized the the SkyView audio wires…
After replacing hydraulic brake o-rings, reset axle nut torque by tightening nut until wheel did not wobble and slight resistance was felt on wheel. Marked castle nut location on axle then drilled cotter pin holes using 5/32″ drill bit, cylindrical…