6. Final Assembly

The final part of the assembly for the Aft Cap is to install the top aft cap and the last control surface.

You may notice the foam inserted in the bottom of the aft cap. This is used to adjust the bouyancy of the submarine. We 3D Printed a mould and poured foam to create the insert but you can cut section of foam instead.

Insert the 2 threaded inserts into the top aft cap.

Ensure to clean the hole of any support material.

Place the top aft cap on feeding the control surface rod through the hole of the top aft cap.

Once in place insert 4 x M3x12mm Screws and tigthen to fix the cap in place

Slide the Large control surface onto the control rod.

Once in place tighten the set screw to fix the control surface in place.