Build Log for Sonex 0849B
Continued working on Sonex FWF manual for the Jabiru by marking and trimming cooling fins on cylinder #1. In lieu of further trimming cylinder fins to fit spark plug CHT ring sensors, will opt to use #8 ring terminal sensors…
Verified engine alignment before moving forward by leveling fuselage with saw horse under tail and setting up laser level though center of crank. Measured bottom front corner of fuselage at 22.75″ from floor and center of crank as 40.25″ from…
Began working on firewall-forward fuel system by bending solid fuel line for drain branch. Ran -6 fuel line behind upper part of engine mount then bent line to come forward of bottom part. Created a drain cock mount out of…
Attached wing tip lights to tip light fairings then installed DT connectors. Installed lights and fairings onto tips of wings. Terminated wing root wires at bulkhead connectors and tested functions. Reinstalled pneumatic bulkhead fittings for RH wing. Installed CHT/EGT harness…
Created mount angle for EMS and ARINC module from scrap 0.032 sheet due to lack of clearance for modules with connectors on both ends. Riveted nut plates to vertical mount and then riveted mount to avionics shelf. Laid out backup…
Created avionics sub-panel (shelf) from Z04-03 stock. Made mounting hinge pieces from -5 piano hinge to allow for more adjustability. Mocked up shelf locating behind panel and in front of fuel tank and pilot drilled hinges to upper longerons then…
Began terminating panel wires to RH panel cover and circuit breakers. Connected master relay, master switch, and avionics switch wires to bus bars then connected available components to top of circuit breakers. Screwed RH panel cover into place onto panel…
Bolted Ram mount base to RH panel cover using AN3 hardware. Cut copper bus bars to size and drilled circuit breaker holes at 0.8 inch spacing. Installed circuit breakers into RH panel cover then secured bus bar onto bottom terminals…
Created harnesses for main panel switches leading to circuit breaker panel and wing root connectors. Laid out wiring path for each wing root connector and placed securement points. Installed main switch panel into LH side of panel and tested panel…
Fabricated panel lights harness for panel light dimmer using Molex connectors to save space behind panel. Opted to branch out individual harnesses for each device needed the dimmer switch rather than bundling components together. Made one extra panel light circuit…
Installed LH panel onto panel backer then secured ignition switch into panel. Added solder sleeves and terminals to engine end of ignition wires then attached to engine mounts and ignition coils. Added diode to master relay and ran master relay…
Started working on ignition switch wiring harness by stripping back shielded wire for p-leads and soldering on solder sleeve to switch ends. Added terminals for switch end of wires then ran wires through firewall to ignition coils and starter relay.…