The fin lines were drawn down the body tube with pencil.
The primer was then sanded off with some old 220 grit on a block for a better gluing surface. I sanded down just to the white body tube.
The pencil line was re-drawn.
Look close at the glue on the root edge of the fin.
TIP: After applying a line of glue, run your fingertip down the edge at an angle removing some of the glue and evening out the glue bead.
This makes for a cleaner glue joint with less glue to remove when the fin is pressed onto the body tube.
After the first fin was glued on a straight paper strip was taped and slid down to the top corner of the fin.
The other fins were glued on just touching the paper strip. Also check the rear of the model to be sure the trailing edge is even with the end of the body tube.
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