OSCILLATING-BLADED PROPELLERS 1497 



S. Bindel, Bassin d'Essais des Carenes, Paris, France 



DISCUSSION 1518 



G. G. Cox, Naval Ship Research and Development 



Center, Washington, D. C. 

 DISCUSSION 1519 



L. A. Van Gunsteren, Lips Propeller Works, Drunen, ■"'■.■:•. \—^ 



The Netherlands 

 DISCUSSION ^ 1519 



Prof. L. Mazarredo, Asociacion de investigacion de la 



Construccidn Naval, Madrid, Spain 

 REPLY TO DISCUSSION 1520 



UNUSUAL TWO-PROPELLER ARRANGEMENTS 1521 



T. Munk and C. W. Prohaska, Hydro- og Aerodynamisk 

 Laboratorium, Lyngby, Denmark 



DISCUSSION 1544 



Dr. P. C. Pien, Naval Ship Research and Development 

 Center, Washington, D. C. 



DISCUSSION 1544 



J. Strfzim-Tejsen, Naval Ship Research and Development 

 Center, Washington, D. C. 



REPLY TO DISCUSSION 1545 



C.W. Prohaska 



- - PANEL DISCUSSIONS 



WAVE RESISTANCE 1549 



Nonlinear and Viscous Effects in Wave Resistance 1549 



Chairman: J. N. Newman, Massachusetts Institute of 



Technology, Cambridge, Massachusetts 

 An Evaluation of the Wave Flow Around Ship Forms with Applica- 

 tion to Second-Order Wave Resistance Calculations 1555 



K. Eggers, Institut fiir Schiffbau der Universitat Hamburg, 



Hamburg, Germany 

 Wave-Resistance Calculations for Practical Ships 1556 



G. E. Gadd, Ship Division, National Physical Laboratory, 



Feltham, England 

 Derivation of Source Arrays from Measured Wave Patterns .... 1557 



N. Hogben, Ship Division, National Physical Laboratory, 



Feltham, England 

 Interaction of Free-Surface Waves with Viscous Wakes 1560 



Jerome R. Lurye, Control Data Corporation, TRG Division, 



Melville, New York 

 Recent Developments on Bulbous Bows at Hydronautics, Inc 1561 



M. Martin, Hydronautics, Inc., Laurel, Maryland 



PROPELLER DESIGN 1571 



Introduction 1572 



J. D. van Manen, Chairman, Netherlands Ship Model Basin, 

 Wageningen, Netherlands 



SURFACE EFFECT VEHICLES 1585 



Chairman: James L. Schuler, Naval Ship Systems Command, 

 Washington, D. C. 



LIFTING-SURFACE THEORY 1593 



Chairman: R. Timman, Delft Institute of Technology, Consultant 

 Netherlands Ship Model Basin 



xi 



