p. 385 - 392 LE MODELE A DEUX ECHELLES DE L'AILE AVEC PETITE ENVERGURE SITUEE DANS UN COURANT D'EAU A. A. Vasilescu, D. Dinu Institut Roumain de Recherches Marines Constanta Abstract Short-span hydrofoils represent a particular importance in the hydrodynamics of different types of ships. In the present work is given a new model for the short-span hydrofoil computation, based on two scales similitude theory.