Friday, July 21, 2017

Horizonal Stabilator: Part 3/4

3 HOURS.

Put in a few hours tonight.  Last visit to the hangar, I primed all of the attaching hardware to the HS spar box. (I still have to do one skin, as it got dark out before I was finished).

Most of the work today was attaching the 90 degree brackets for the rear ribs, removing some material from the front of the front ribs, and attaching the rear and forward ribs.


Rather than take a bunch of photos of me pretending to assemble things, its just easier to take a video and narrate what was assembled here.   When you're using 3 rivets to secure a part, it seems like you get a more exact match when you put a LP4-3 in the center hole, THEN put clecos in the two remaining holes.  If you do it in reverse -- 2 clecos then a LP4-3 in the center hole, then that center hole may not be lined up exactly for the LP4-3 to just slide in easily.  With two clecos in place, its hard to re-align the parts by forcing that center LP4-3 in.  The clecos hold the part too good for that.  So,  get your exact match first by using a LP4-3, then hold the part in place with clecos.

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