Primed everything and Riveted left top skins

Scuffed the top skins, wing walk doublers, and stiffeners and wiped everything down with acetone.

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Mixed up a batch of P60G2 and shot everything with primer.

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Clecoed the left skins and doublers to the left wing substructure.

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Remy helped my rivet the skins to the ribs and spars. Prefers bucking and I prefer shooting so it all works out.

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Finished riveting the spars and ribs and clecoed the J stiffeners in place. I’m really pleased with the result so far. The riveting went really smoothly. No dents!

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Today’s Time (hours): 5.0
Wing Time (hours): 80.5
Total Time (hours): 291.5

Rinse, repeat, right spar complete

Match drilled the J channel to the spar.

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Machine countersunk the nutplate attach holes.

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Riveted in the nutplates

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Countersunk the screw holes.

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Machine countersunk all the skin attach holes.

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Riveted in the nutplates at the tip end of the spar.

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Riveted the doubler to the spar and installed the tank attach nutplates.

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Final drilled, deburred, scuffed and primed the aileron bell crank brackets

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Installed and torqued the aileron bell crank brackets.

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Right spar done!

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Today’s Time (hours): 4.5
Wing Time (hours): 21.5
Total Time (hours): 232.5

 

Filled the horizontal stabilizer tips

Filled the crag I cut in the right HS tip with micro.

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Then filled the aft space of each with micro. Once hardened, I’ll be able to sand the curved profile into them to match the leading edges of the elevator tips.

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Today’s Time (hours): 0.5
Empennage Time (hours): 203.5
Total Time (hours): 203.5

 

Riveted the Forward Spar Assemblies

Riveted the gusset to the left root rib and riveted the inboard and outboard halves of the tip ribs together. Spent a bit of time with a square and hand seamers tweaking to ensure everything is straight.

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Riveted the tip ribs to the spars. Riveted the hinge reinforcement plates and nut plates to the spars.

 

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Clecoed and riveted the counterweight skins to the tip ribs.

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Riveted the elevator horns to the spars.

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Bruins vs. Blackhawks in the winter classic on tv… taking a break to watch a little hockey.

Today’s Time (hours): 2.5
Empennage Time (hours): 106.0
Total Time (hours): 106.0

 

Assembled Trim Tab

Bought a 3/4″ MDF panel at Home Depot. Leveled it out on the bench and shimmed the dead spaces with sheets of paper to create a flat surface.

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Prepped the skins, spar, and trailing edge with isopropyl.  Mixed up a small batch of fuel tank sealant and put a thin layer on each side of the trim tab ribs and set them in place. I used the 3M VHB tape on both sides of the trailing edge. Used clecos to align it with the bottom skin and set it in place. Then I clecoed the top skin in place along the spar and trailing edge. I peeled the paper from the VHB tape between the top of the trailing edge and the top skin removing clecos as I went to avoid tearing the paper. I replace the clecos to clamp the whole sandwich together while the tape sets up.

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The sealant is ridiculously sticky and smells like ass.

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I riveted the top skin and hinge to the spar.

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All done!

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Weighted down the skin with a board and some 2×4’s to ensure contact between the skins and the ribs until the sealant sets up. The spec sheet says there is a 6 hour cure time for the B 1/2 sealant I used.

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Today’s Time (hours): 1.5
Empennage Time (hours): 101.5
Total Time (hours): 101.5