Build Log for Sonex 0849B
Removed wire grommet covers from firewall for fear of wire chaffing and riveted open holes closed. Riveted upper cowl shelf to windshield skirt. Applied 3M Fire Barrier Sealant CP 25WB+ to gaps in firewall around motor mounts and on seam…
Added fire sleeve insulation to fuel lines forward of firewall. Used smaller size (5/8″) for hard lines and flex hose and separate larger size (1.5″) for fuel filter. Secured sleeves with zip ties. Fuel system complete! Hours Worked: 0.64
Began smoke system installation by drilling 5/8″ holes in exhaust pipes as far up as possible. Cut stainless steel mount plates out of firewall scrap and drilled 1/2″ hole in center of plates. Assembled sprayers with plates using machine bushings…
Rough sanded micro on upper cowl then final sanded; upper cowl should be finished with most micro work. Added micro to two low spots on lower cowl and let micro set. Fine sanded the two spots on the lower cowl…
Removed upper and lower cowls from fuselage and removed packing tape from fuselage. Rough sanded new micro; most spots very close to being done with fiberglass but a couple of spots needed more filler. Leaving cowls off of aircraft, mixed…
Trimmed about 0.125″ from both outside edges of gear leg fairings for better clearance of fuselage and wheel plates. Marked location for brake line notches and cut out space for brake lines. Attached both gear leg fairings to main gear…
Removed existing steel fuel vent to rework due to poor fitment. Used 1/4″ OD aluminum tubing instead as it is easier to work and bend. Essentially followed same path as previous vent with better routing. Added Adel clamp (temporarily) along…
Rough sanded aft edge of upper cowl then pinned into place on fuselage. Further sanded cowl on fuselage to get spacing correct. Removed upper cowl and sanded transition line with 120 grit. Removed lower cowl to trim prop hub area…
Attached D-sub connector to roll servo wires then installed servo onto fuselage floor. Attached aileron servo push rod and verified servo arm did not contact over center bracket. Roughed in location of pitch servo and marked bracket location on floor.…
Removed lower cowl from fuselage and removed hinges and clecoes. Rough sanded new work with 60 then 120 grit; transition mostly okay with just a few low spots to fill in. Reinstalled lower and upper cowl onto aircraft. Marked prop…
Attached roll servo pushrod to LH control stick frame per Dynon instruction sheet. Trialed rough location for roll servo under RH side of forward seat pan and verified clearance and freedom of movement. Transferred mounting hole location to fuselage floor…
Fine sanded upper cowl with 240 grit to see if latest application of micro filled in low spots; overall looks good. Will try to use some high build primer to help with pin holes but overall upper cowl looks good.…