Build Log for Sonex 0849B
Began the process of color sanding and buffing painted surfaces. Starting with the tail, wet sanded each surface with 1000 grit sanding sponges to knock down high spots and imperfections. Avoided sanding rivets and focusing on one area too long.…
Began process of tuning the AeroInjector. Immediately had issues getting engine started and struggled to keep it idling normally. The partial firing seems to indicate a too-rich condition with the #3 needle. Upon trying to adjust the needle, there were…
Riveted cowl side vents, exhaust tunnels, and lower cowl hinge halves to lower cowl. Hours Worked: 1.10
Manufactured -02L and -02R flap fairings from scrap aluminum stock. Bent with tabletop bending brake. Will flight test before installing onto fuselage. Aimed landing lights in full down position per Duckworks instructions then cleaned and reinstalled landing light lenses. Hours…
Mounted fire extinguisher and crash hammer to forward fuselage with Velcro straps and adhesive pads. Manufactured rudder trim tab from scrap aluminum. Hours Worked: 0.79
Temporarily reinstalled prop and spinner for engine test runs. Installed upper cowl and verified clearance with prop. Hours Worked: 0.97
Procedures: Results: Engine Sensor Testing Sensor Ground Test Set Limits RPM ✔ Normal: 900 – 3300 Max: 3300 Manifold Pressure Not Installed Not Installed CHT ✔ Normal: 200 – 356 Caution: 356 – 392 Max: 392 EGT ✔ Normal: 1112…
Updrilled shoulder harness attach points to 5/16″ and bolted seatbelt shoulder harnesses with AN5 hardware. Applied torque seal to bolts. Hours Worked:0.42
Tweaked fitment of RH side panel by trimming a little more off of the rear side of the panel. Attached Velcro strips to back and bottom of side panel and upper longeron and seat pans. Installed side panel and checked…
Trimmed lower and upper seat pans for better clearance of wire bundles and side panels. Test fit RH side panel and trimmed a couple more places for better wire clearance. Hours Worked: 1.00
Finished wiring auto pilot harness. Calibrated servos through the SkyView menu but when the auto pilot test was conducted, the pitch servo could be heard slipping consistently. Took video and sent to Dynon support. Talked with Steven from Dynon Support…
Updrilled cowl shelf, lower cowl, and upper cowl, and drilled and riveted nut plates onto cowl shelf and lower cowl. Temporarily installed upper cowl onto aircraft with screws to verify alignment and fitment; checks good. Located oil dipstick with flashlight…