Thursday, February 5, 2026

Estes Semi-Scale Saturn V, Kit #K-39, Part 31, Loose Ends & Edges




The original kit screw was small and tarnished with age.
I switched out a new, larger one.
The instructions have you glue the long launch lug 1/4" to the right of the lower white/black mask below. 

There is a problem - 
At 1/4" spacing, it puts the lug over the side of the fin fairing.

Look close at the left side picture, you'll see two pencil lines. I glued the lug at the 3/16" spacing. 
I scraped paint away down the lug glue line. I didn't apply a glue fillet down the sides of the lug.

Here you can see the lug clearance. If it were set at 1/4" the launch rod would be rubbing against the conical fairing.
You also must clear the feed line and ullage motor tunnels above.

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