More work on prepping all the lower firewall/footwell area parts.
Countersinks for nutplates.
Engine mount attach point brackets. Steel powder coated.
One side of the center section sides gets this forward hole enlarged.
And the other side gets the aft hole enlarged.
I used a compass to draw the hole full size so that I could ensure that the unibit is pushed as needed to keep the hole centered.
Then the parts were etched, scrubbed and dried for priming.
Started the riveting process. Pretty basic but for some reason the aft center rivet is a CherryMax. Its the only one!
This channel gets riveted on with the engine mount bracket.
Then these nutplates get riveted on.
And per the KAI's areas that get sealant and sealant fillets get scuffed up.
The bottom skin gets riveted on in the center along with all these nutplates.
The area between the center section sides gets a sealant fillet.
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