Pretty Sure I Ruined My Spar

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Pretty Sure I Ruined My Spar

Postby lakespookie » Tue May 03, 2022 1:17 am

So after not building for 2 months, I finally got a normal weekend with some time off and went off to work on my main spar. Well low and behold i forgot how to notice the little details in the plans and though i was placing the spar attach angle in the right place instead i placed it where i belive rib 1 goes on the left spar, after getting through the rest of the parts that go on the spar without issue i was looking over the plans in preperation for working on the right spar and i noticed a little measurement and it hit me, I made a huge fubar. so now i have 8 perfectly reamed tight fit holes on a spar where a rib should go!!!!

Lets just say this has not been my year, between a 3 month covid recovery, a car accident in this market (Currently waiting 12 of 20 more weeks on a car i ordered; there goes all the disposable build income lolz) and working like a crazy person the last thing i needed was to destroy a 2k spar, In other news stuff happens i will get the right spar right and hope i can salvage this spar with some input from the factory.

Right now my only hope is that i can mount the rib with the screws and a backing plate but that will most likley cause serious edge clearance issues but who knows if anyone has screwed up worst than this i could use some encouragement!!!!
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Re: Pretty Sure I Ruined My Spar

Postby GordonTurner » Tue May 03, 2022 7:48 am

Send pictures and a drawing of what you think might be a repair to Sonex. Chances are they will assess and work with you.

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Re: Pretty Sure I Ruined My Spar

Postby lakespookie » Mon May 09, 2022 10:00 pm

Got the OK from the factory to use bolts in place of rivets for the rib mounting and to make up for the swiss cheese I created.

for refrence check out the build log.
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Re: Pretty Sure I Ruined My Spar

Postby Murray Parr » Tue May 10, 2022 4:20 pm

The root rib has an angle braket which uses AN3 bolts (at least on the B model ). Could you not just make new brackets to suit the holes you have already drilled?
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Re: Pretty Sure I Ruined My Spar

Postby lakespookie » Wed May 25, 2022 8:30 pm

I drilled the holes on the location for RIB 1 to the outside of where the attachment angle should go. The concern was more so with the swiss cheese i created and any potential structural weaknesses over how to mount the messup.
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