Thursday, September 3, 2026

Estes Cosmic Interceptor Build, Part 18, Filling The Tab Recess

Here's the balsa plug fill on the upper end of the N piece.

Two fill pieces go into the L and M wing pieces.
After the glue dries, the raised fills are sanded to surface using 400 grit on a sanding block.


The T piece tab is a bit short. It'll also get a balsa fill segment.




The inset shows the tab before and after lowering the height of the tabs. 
Like on the wing, this allows for a thicker plug piece.
The T piece is fitted after the wing is glued on. 
For now, glue only the filler segment. 
With the T piece all the way in the slot, press in the filler piece until it butts up against the T piece tab inside.

Remove the T piece without gluing it in leaving the plug in place..


After the glue dries, sand the plug to surface.

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