Today I riveted the HS rear spar HS-603 and the rear spar reinforcement bars HS-609 together. Next the hinge brackets for the rear spar were riveted into place. The HS-411PP Center Bearing was bolted to the rear spar and torqued to the correct value. Next I started riveting the HS forward spar channels HS-702, with lthe spar doublers HS-00003 and the forward spar reinforcement angles HS-810-1(upper) and HS-814-1(lower) seen in image #2. Its amazing how rigid this structure become when the parts are riveted together.
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