After all the trimming and adjustments to the root edges here's the final fit of one fin.
Enlarge the picture and you can see how the front and rear of the fin (root edges on the body tube) are slightly raised but still making good contact.
The rear of the fin is flush with the end of the main ariframe tube.
I waited to fillet the rear centering ring.
Glue was added drop by drop and spread with the end of a rounded dowel.
Any excess glue (on the inside body tube wall and flat surface of the centering ring) was picked up with a Q-Tip. I was also able to remove the excess glue from the fillet to lessen the chance of the body tube "puckering" when the glue dried.
TIP: If you don't have Q-Tips on your workbench, go raid the bathroom cabinet. Q-Tips are indespensible for removing glue where your finger can't reach.
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