Friday, August 30, 1968 

 Morning Session 



UNCONVENTIONAL PROPULSION 



Chairmen: Dr. W. E. Cummins 



Naval Ship Research and Development Center 

 Washington, D. C. 



and 



Dr. H. Edstrand 



Swedish State Shipbuilding Experimental Tank 

 Goteborg, Sweden 



Page 



Theory of the Ducted Propeller. A Review 1209 



J. Weissinger and D. Maas, Institut fiir Angewandte Mathematik 

 der Universitat, Karlsruhe, Karlsruhe, Germany 



Studies of the Application of Ducted and Contrarotating Propellers on 



Merchant Ships 1265 



H. Lindgren, C. A. Johnsson, and G. Dyne, Swedish State 

 Shipbuilding Experimental Tank, Goteborg, Sweden 



Comparison of Theory and Experiment on Ducted Propellers 1311 



W. B. Morgan and E. B. Caster, Naval Ship Research and 

 Development Center, Washington, D. C. 



The Bladeless Propeller 1351 



J. V. Foa, Rensselaer Polytechnic Institute, Troy, New York 



On Propulsive Effects of a Rotating Mass 1373 



A. Di Bella, Institute di Architettura Navale, University of Genoa, 

 Genoa, Italy 



The Aerodynamics of Sails 1397 



J. H, Milgram, Massachusetts Institute of Technology, Cambridge, 

 Massachusetts 



Magnetohydrodynamic Propulsion for Sea Vehicles 1437 



E. L. Resler, School of Aeronautical Engineering, Cornell 

 University, Ithaca, New York 



1207 



