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Old 07-26-2021, 07:01 PM
  #4011  
Boomerang1
 
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Join Date: Jun 2005
Location: Sydney, AUSTRALIA
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The booms & tail bolt on but the balsa was not reinforced on mine & the screw heads & washers were digging into the balsa.
I fitted small plywood plates recessed into the balsa to spread the load. The forward tail boom fixture could not be fixed like this
as it was recessed into the wing. I just kept soaking it with CA glue until it stiffened up.

The wing joining tube has screws to secure it but these also tighten against the balsa skin so ply plates were fitted to these too.
On my model the leading edge of the wings had quite a large gap when fitted. I fitted some blind nuts in the wing root ribs &
some screws from inside the fuselage to pull everything together & eliminate the gaps.