Friday, August 30, 1968 

 Afternoon Session 



UNCONVENTIONAL PROPULSION 



Chairmen: Dr. E. W. Cummins 



Naval Ship Research and Development Center 

 Washington, D. C. 



and 



Dr. H. Edstrand 



Swedish State Shipbuilding Experimental Tank 

 Goteborg, Sweden 



Page 



Performance of Partially Submerged Propellers 1449 



J. B. Hadler and R. Hecker, Naval Ship Research and Development 

 Center, Washington, D, C. 



Oscillating-Bladed Propellers 1497 



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



Unusual Two-Propeller Arrangements 1521 



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

 Laboratorium, Lyngby, Denmark 



1447 



