Wednesday, October 24, 2018

Semroc Snake Jumper Build, Part 4, Fin Prep


The nose cone was a bit rough, some "chatter" marks. Nothing some sandpaper can't take care of.

The picture on the right jumps ahead a bit. I had bad luck with this nose cone. As careful as I was, dents showed when the white was sprayed.






Here's both sides of the fins. All are laser cut in thick centering ring style stock, .050" thick.
As usual, one side of the laser cut is wider.



The burnt edges were cleaned up, sanded with 400 grit. You'd have a hard time covering up the black edges with white spray paint.



Sometime you'll find a de-lamination. Don't use CA (Super Glue) to close these up. For some reason it doesn't work as well in this application. Use wood glue. Sneak the glue in deep enough on the sides of a knife blade.

After all the sides are sanded clean, some medium CA glue can be brushed on using a Q-Tip. Sand the edges smooth with 400 grit after it dries.

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