Double hull

Double hull

Inv. 421
Interpretation by Luigi Tursini, 1953

"Method for the hold in boats"

This structure of a hull with double walls (method for the hold in boats) is conceived for limiting the entry of water after underwater attacks or after violent ramming by keel-breaching devices like those described by Leonardo himself.

The model is based on the drawing:

  • Manuscript B f. 11 r. (1487-1490)
    Paris, Institut de France