Cement box for the wooden model keel

Cement box

With this view from above you can clearly see how the model keel is fitted into a two-part wooden box for pouring in the cement later.

Bracing

The wooden shape of the keel is fixed tightly to the wooden box to avoid movement while pouring in the liquid cement.

Negative shell

After pouring in the cement and allowing it to harden, the wooden model is removed from the negative shell of cement.

Basis for the lead keel

This negative cement shell is made up of two pieces and serves as the mould for the actual lead keel.

Bow

Here, you can clearly see the bow shape of the cement model.

Scale

The scale and weight of this cement model should not be underestimated. A solid steel framework is needed to contain it.

With this negative cement shell a specialized company is then casting the keel of the yacht.