Estes Super Orbital Transport Build, Kit #7314, Part 15, Gluing On The Engine Housings

Mentioned earlier - 

I sanded off the tabs (on the engine housings) and left the balsa notch slots in the wings. I thought it would be easier than filling the low tabs slots later.

This shows the top surface of the wing. Note the gluing areas for the vertical fins are sanded through the primer, down to the (glue soluble) CWF filler.

The inset picture shows the area near a fin root edge sanded down just through the primer for a stronger wood glue bond and fillet.

The engine housing assemblies were glued in place and the joints filleted.

The bottom of the wing assemblies had already got some early shots of Gloss White before gluing onto the body tube to be sure the fillets were smooth. Any glue fillet ridges were lightly sanded and paint shot again.

In the above picture the wing has been glued on. The support jigs are under the wing and the smaller forward stand under the body tube.

I continued the pencil lines around the inside end of the body tube. With the wing in place, the pencil line down the body tube would be covered. 

TIP: The wing and forward strake long fillets should be done in two passes. This prevents the glue bead from pooling up and getting too wide under you smoothing finger.

Lay a line of glue down from the center of the root edge and smooth to the rear. Lay down a second, forward line of glue down the remaining 1/2 of the root edge and smooth to the front.