I decided to try priming the skins after I finish work this afternoon. The plan is to reserve Saturday and Sunday as a big rivet session and try to finish out the rudder this weekend. I'm getting faster setting up my booth. Fortunately, the skins despite their size are the easiest parts to prep for priming because it's just a big flat hunk of metal. It only took me about 40 minutes to clean and skuff the skins. I had the booth up in about 30 minutes and I was ready to prime.
On the first rudder I forgot to mask off the skin where the TE wedge is glued in place. The footprint of the wedge was masked and priming went off without a problem. Results were good. The more I prime, the easier it gets and the quality continues to improve.