F-28 installation (1.1 hrs)
The main thing to know about F-28, is that its front face needs to be 5.9” from the front face of F-22. There is an additional change to the plans, requiring one ply of BID at 45˚ over the wooden doubler, F-22, sidewall, and upper longeron.
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| Pure epoxy brushed where F-28 will go |
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| Right doubler and F-28 floxed in place |
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| Same thing on left side |
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| Setting F-28's proper distance from F-22 |
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| One ply of BID over the new structure |
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| Same thing on other side, before adding epoxy. |
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| Peel-plied and curing (I took care of the little bubble after taking this picture) |
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| Ditto (ditto) |
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| Next day, after peel-ply removal. |
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| Right side done |
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