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Repair of compromised Longeron

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SamP

Well-Known Member
Joined
Nov 4, 2016
Messages
94
Hello All,
I'm the proud owner of a new Sonex. Unfortunately, there are some issues with the previous owner's work. In a few instances, he redrilled holes next to others and near edges, seriously compromising the structural integrity of the piece (in this case, horizontal stabilizer spar).

The most straightforward solution is to replace the piece completely. I've also been told that filling the holes with welded material (though I think it would compromise the heat temper).
I'm also considering using a doubler over the area to bridge the weak spot. Anyone have any thoughts? If I use a piece as thick as the damaged part, I think that should be sufficient to handle all the loads.

IMG_3718[1].jpgIMG_3717[1].jpgIMG_3716[1].jpg
 
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