4 September 2010
Installing nutplates on seat ribs
5.5 hours
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| F-916C spacers (Full size) Made these from a piece of aluminum bar. |
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| Priming seat ribs (Full size) Deburred, dimpled, cleaned and primed the seat ribs. I primed them now because nutplates need to be installed before assembling them for skin hole drilling. I also fluted the ribs to make them lie flat. |
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| Inboard rib removable flange riveting (Full size) Those pieces of the flange on the inner ribs are riveted to a strap so they can be bolted in place. Riveted them together with the squeezer. |
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| Flanges bolted back in place (Full size) ditto |
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| Riveting nutplates on ribs (Full size) Each of the ribs has 3 nutplates. Riveted those into place with the hand squeezer. |
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