...The Flathead Screws need to be trimmed to flush. I need to Machine Beefier Stainless Pins.
Then...Final Assembly with Meticulously Measured and Machined, Spacers. All 7 Slats aimed where they should be.
I may Drop the idea of a 'Double Jam-Nut +' (adds too much weight) and go with a Exactly Machined Spacer, to set the Angle of Each Louver. Things we can't Predict until the Actual Assembly Process.
Stay Tuned...