Build Log for Sonex 0849B
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.…
Due to exhaust tunnel interference, removed oil separator from firewall and fabricated bracket out of scrap aluminum angle to move cannister up about 1.25″. Reinstalled oil separator and reconnected vent line. Hours Worked: 1.15
Bent exhaust tunnels and outlet lips from firewall forward kit blanks. Made flange tool out of scrap phenolic. Bent tunnel sides using bending brake then bent mounting flanges using homemade flange tool. Aligned exhaust tunnels onto newly cut cowl openings…
Removed upper cowl from lower cowl again and began sanding upper cowl. Started with 60 grit and moved up to 240 grit sandpaper to better blend transition area. Finished sanding with upper cowl mocked up onto lower cowl to better…
After allowing epoxy to cure, used 60 grit sandpaper and hand sanding block to rough shape cowl curvature and knock down spatter and high spots. Tried to focus on transition areas between existing cowl and new work to make transition…
Placed 1.125″ Adel clamps around LH landing gear leg and marked approximate mounting hole position on gear leg fairing. Removed fairing and drilled mounting hole in fairing. Temporarily bolted fairing to landing gear leg to mark second mount hole location…
After leaving the fiberglass to cure for a couple days, marked rough cut line and gently pried the top cowling off of the bottom cowling without incident. Rough sanded upper cowl using 60 grit sand paper to level bottom edge…
Prepped upper cowl for fiberglass work by cleaning areas with acetone and adding more packing tape to lower cowl. Cut (3) 32″ strips of fiberglass for each side of the cowl at 1.25, 1.50, and 1.75 inches wide. Mixed small…
Did some rough trimming of the RH side fuselage side panel to verify routing path of pitot/aoa tubes. Disconnected RH rudder cable to ensure all bundles were behind it then reconnected cable to rudder pedal. Drilled 1/2″ holes through fuselage…