SNB-W23: Pitot System
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Pitot Mast Drilling
Marked mounting holes in pitot mount and tube; two per side. Drilled pilot holes with #36 drill bit. Upsized mount holes to #25 for #6 screws. Carefully tapped pitot head with 6-32 tap through mounting pads. Front left hole had screw break off inside so needed to (mostly) drill out and redrill slightly lower. Mount…
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Pitot Mount Prep – Part 3
Nut plates installed on Pitot mount. Pitot controller remounted to #4 rib with 632R6 screws. Pitot tube mocked up in bracket and lines bent to offset connections above inspection plate. Tygon tubing ran through support plates. White indicates pitot line and yellow indicates AOA line. Pitot tube mount screws still need to be drilled and…
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Pitot Mount Prep – Part 2
Removed pitot mount doubler plate from #5 rib and deburred/dimpled all holes. Doubler plate riveted to rib. Installed Dynon heated pitot controller to outboard side of #4 rib using K1000-06 nutplates (x4) and AN526-632R8 screws Hours Worked: 0.75
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Pitot Mount Prep – Part 1
With forward skin up drilled and clecoed into place, transferred pitot mount main hole and doubler plate rivet holes into forward skin. Also drilled 1/4″ pitot mount bracket holes in doubler and forward skin. Cut out 4″ diameter access hole between #4 and #5 rib. Plan to mount pitot control box on outboard side of…
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Pitot Mount Skin Doubler – Part 2
Drilled skin doubler to rib #5 and clecoed in place using mock skin section. Drilled and countersunk pitot mount in preparation for nutplates. Final drilling to occur once lower forward skin is clecoed in place. Creation of -08 Tubing Support Plates from scrap. Added extra 3/8″ hole on plates for wing wiring bundle to help…
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Pitot Mount Skin Doubler – Part 1
Began creating skin doubler for AN5812 pitot Mount from .032 scrap skin. Pitot Mount profile cut in doubler and holes laid out for test fit. Doubler to mount to outboard (flat) side of #5 rib and get sandwiched between wing skin and mount Hours Worked: 1.88