Once I fitted the seat pans/floors to the ribs, I soon realized match drilling the holes to #19 wasn’t going to be easy or all that accurate due to how tricky the fit was turning out to be in some areas. I ended up deciding that I would open up the holes in the floors and ribs separately. I figure these are not a super critical area and if you are using #8 screws, getting it absolutely precise is not really necessary.
I picked up some MDF at Home Depot to help as a drilling guide. MDF works great in help ensuring drill bits do not wander. I opened up the holes in the seat pans/baggage floors to #19.
Next I cut the MDF into strips. This would allow me to fit all of the ribs onto the strips to open up the holes in the flanges.
I wasn’t ready to call it a night just yet so I set up the drill press to drill the Flap mounting blocks.
Just tricky getting the holes drilled perfectly perpendicular and parallel. I messed up one block a little, and the second I managed to get near perfect. I suppose I might order another....It’s bugging me its not 100% and its a cheap part.
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