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SECTION 13: MAIN SPAR: Difference between revisions
→Added tips on identifying which holes to match drill and countersink. Linked Plane Lady's video with diagrams of which holes to machine countersink.
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* Step 7: Study figure 2 which points out that the long stiffeners align at the outboard end while the short stiffeners align at the inboard end. | * Step 7: Study figure 2 which points out that the long stiffeners align at the outboard end while the short stiffeners align at the inboard end. | ||
* Step 8: See this [https://www.facebook.com/groups/vansrv10/posts/5941123952675321 FB thread] regarding how to manage the imperfect overlay of the long and short stiffener. | * Step 8: See this [https://www.facebook.com/groups/vansrv10/posts/5941123952675321 FB thread] regarding how to manage the imperfect overlay of the long and short stiffener. | ||
** For the 3 areas not to match drill: Ignore 13-2 Figure 2 (very unclear), they are clearly marked in 13-5 Figure 2. | |||
'''Page 13-3''' | |||
* Step 2: "Machine countersink those rib to spar flange attach rivet holes that are in line with the nutplate attach rivet holes and are inboard of the most outboard fuel tank attach nutplate." | |||
** See [https://youtu.be/-fJUMhbf7zY?si=izdFC36iiTjpQI1A&t=685 Plane Lady's youtube video] explaining which holes (starting at 11:25) | |||
** She diagrams the holes at [https://youtu.be/-fJUMhbf7zY?si=iNIxa28amTkntwUa&t=903 15:00 in the video]. Essentially, they are the holes between the fuel tank nut plates (forward row nut plates) that would be covered by the fuel tank flange. | |||
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* Step 6, check this [https://www.facebook.com/groups/vansrv10/posts/6740359736085068 FB thread] on the tie down bracket and a potential gap between the skin and the bracket. | * Step 6, check this [https://www.facebook.com/groups/vansrv10/posts/6740359736085068 FB thread] on the tie down bracket and a potential gap between the skin and the bracket. | ||
[[Category:Hints]] | [[index.php?title=Category:Hints]] | ||