|
|
|
|
Zenith CruZer & Sonex Logs
|
Date: 11-29-2008
|
Number of Hours: 4.60
|
Manual Reference: SNX-W07
|
Brief Description: Prep Right Wing Lower Aft Skin for Riveting
|
|
Feels good to get my hands on metal again after a long absence. Seems like the week of 11/17 - 11/21 was a lost cause. Had a dinner one night, an EAA chapter meeting the next, the next night a long-time friend came to town, so we did dinner, then the last night (Thurs, 11/20) was getting ready for our Thanksgiving trip. Left town on Friday 11/21, and was gone until Friday, 11/28. Nice, relaxing time, but was thinking Sonex more than I should have been....
Anyway, first order of business was to correct one of the rivets from the upper aft skin. I had messed up pulling it manually, since the rivet gun wussed out on this one rivet. I ended up "peaking" or "reverse dimpling" the hole, such that even with the rivet tight, it was actually on a sort of "plateau" allowing you to get your fingernail under it. Another builder (thanks, Doug!) suggested I use the Sonex Super Simple Dimple Die, but use the flat surfaces to squeeze it flat. The end result is shown in Fig 1 below. Not perfect, but no ledge now, either.
Next it was on to the installation of the tie-down ring. Used a step drill to enlarge the prior pilot hole in the skin, torqued the bolt in place, and test-fit the skin. The ring does not mount / squeeze the skin - the skin "floats" around it.
Then the tedium set in. Deburred both front and rear sides of the lower aft skin. Deburred all ribs, and the skin side of the main and aft spars.
Finally, torqued and cotter-pinned the aileron bellcrank bolts that hold the control rods.
All that remains is some cleanup / FOD check, and deburr of the non-skin surface of the main and aft spars. Then it's on to rivet.
|
|
Fixed Rivet
|
|
Installed Tie-Down Ring
|
|
Deburred Lower Aft Skin
|
|
|
|
|
|
|
|
|
Copyright © 2001-2024 Matronics. All Rights Reserved.
|
