Wednesday, July 30, 2025

Centuri Skylab Build, #KB-4, Part 2, Parts Fitting




The 3" long BT-20 tube is notched for a standard engine hook.

The inside of the nozzle doesn't have a relief slot for the engine hook.






A square diamond file cut a notch for the hook.
Don't go too deep, the top of the nozzle is thin.









I marked the inside notch with pencil so you can see the fit through the plastic.
I can now slide the nozzle over the engine mount tube without distorting the tube.

No glue yet, there are more pieces to dry fit.






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