Quest/Enerjet Quad Runner Build #Q5016, Part 5, NC Lug & Fin Prep

Be sure to file away any rough plastic flash on the inside of the shock cord tie loop.

Edges like this can wear on the shock cord.

Here's how the lower fin and upper strake will glue together.

I'm building three models, two for flight and one for show.

With three different sets of fins, I mark the root edges from each set so the different balsa grain and densities remain constant.

After sanding off some of the burnt edges, you might end up with slight differences in length.

Line up the pieces, trim off to even up the tips.

The fin and strakes were glued together with the root edges against a straightedge.