Ballast wow, this is art tubes in the fuselage for the slugs, and three nice slugs all labelled, matter of fact pretty well everything is labelled so one won’t get lost. Great Build
Stuck the plane together, wing rods are missing, appears to be 1/4 inch that is needed , a couple of them, common in the day 2 wing rods.
invader servos
Servo set up, these will get removed and replaced with more modern units, also will drop the tow hook release servo as the ‘real fancy’ towhook will be replaced with a 3 or 4 MM hook

Here is the tow hook, what a work of art, never came across one built so well

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