Tamiya Yahama Round The World Yacht Manual ((link)) -

The manual typically shows the keel being attached late in the hull assembly. However, for stability, many builders deviate from the manual to add weight (lead shot or fishing weights) into the keel bulb before sealing it. If built strictly "out of the box" according to the manual, the model might be top-heavy. This is a known "secret" among ship modelers that complements the written instructions.

The heart of the manual is the exploded view. For the Yamaha Yacht, this is critical. Sailing vessels are complex machines of ropes, pulleys, and spars. The manual breaks the build down into logical sub-assemblies: the hull, the deck fittings, the mast, and the rigging. Tamiya Yahama Round The World Yacht Manual

In the world of scale modeling, few names command as much respect as Tamiya. Their reputation for engineering precision, historical accuracy, and high-quality molding is unassailable. Among their vast catalog of tanks, aircraft, and cars, the sailing vessel category holds a special, serene place. Specifically, the Yamaha Round The World Yacht stands as a monument to the golden age of solo ocean racing. The manual typically shows the keel being attached

The manual shows parts attaching to the deck. A seasoned modeler reading between the lines knows that on a yacht, the deck is a waterproof surface. Therefore, gluing parts like winches and cleats requires care to ensure no glue marks ruin the "teak" or painted deck surface. The manual shows the location; the technique is up to the builder. This is a known "secret" among ship modelers