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| Weighing the Center Wing Section |
We continued the build of the Center Wing Section, getting it completed for the load test except for the X-bracing.
We also continued to build ribs for the Outer Wing Section, in preparation for building those sections in about a week and a half.
Building Center Wing Section
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| The wing appears to hover while weighing |
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| Cutting out the clearance holes for the support tubes on the end ribs |
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| Cutting out the hole for the support tube with a hot wand |
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| Support tubes for wing appropriately sized and fitted, with foam plug at fishmouth end for tack gluing |
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| A support tube in place prior to gluing (and trimming of end) |
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| Support tubes tack glued in place, with tape to prevent motion before drying |
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| Unmodified stainless ship antenna mount, to be modified for use as kingpost mount |
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| Clamping tool for kingpost mount, in progress |
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| Machined bottom of kingpost mount to thin material, with start of cut to remove sides |
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| A well used cutoff disc used to cut sides and top off of part |
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| Finished part |
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| Tack gluing the kingpost mount |
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| Kingpost mount tack glued in place |
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| Starting lashing of support tube to main spar |
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| Finished lashing |
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| Tacking a loop of Kevlar tow (angle too severe to hold without tacking) |
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| Lashing in progress |
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| Continuing the lashing with 'figure 8s' |
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| Getting to the other end of the lashing with long spirals to avoid cutting the lashing |
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| Finished Lashing |
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| Starting another lashing with a loop (slip knot) |
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| X-bracing fittings with upturn end, sanded clean, ready to lash on |
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| Center Rear support lashing |
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| Center main spar lashing including kingpost mount and X-bracing fittings |
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| Center main spar lashing after epoxying |
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| Typical view of lashing wetted with epoxy |
Building Ribs for Outer Wing Sections
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| Remaining rib sections 1-11, ready to be sliced to 6 mm wide ribs |
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| Slicing ribs |
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| Building ribs on original 'gluing table' |
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| Cleaning 'gluing table' to use as a second wing assembly table |
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| The 'rib factory' moved to its new location |
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| Sanding more sliced ribs in preparation for doubler lamination |
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| The completed Center Wing Section, ready for X-bracing and load test |
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