Made backing plates for Comm, ADSB and Transponder blade antennas Nutplates on firewall for oil pressure hose and breather tube. Installed transducer manifold. Drilled hole for mixture passthru. Need to check lockation for prop passthru. Installed diodes on relays.
Antenna Doubler specs 3.5"x5" bent up 3/16" on each end 7 3/4" back from spar to center hole .040 material
