DISCUSSION 1079 



V. Kostilainen, Finland Institute of Technology, 



Otaniemi, Finland 

 DISCUSSION 1081 



R. Pallabazzer, Instituto di Fisica Tecnica e Macchine, 



Politecnico, Milan, Italy 

 REPLY TO DISCUSSION 1081 



E. R. Quandt 



PERFORMANCE CRITERIA OF PULSE- JET PROPELLERS 1085 



Michael Schmiechen, Versuchsanstalt fiir Wasserbau und 

 Schiffbau, Berlin, Germany ...:,■ 



DESIGN ANALYSIS OF GAS-TURBINE POWERPLANTS FOR TWO- 

 PHASE HYDROPROPULSION 1105 



Rodolfo Pallabazzer, Politecnico di Milano, Milan Italy 



DISCUSSION 1169 



W. van Gent, Netherlands Ship Model Basin, Wageningen, 

 Netherlands 



DISCUSSION 1170 



Earl Quandt, Naval Ship Research and Development 

 Center, Annapolis, Maryland 



REPLY TO DISCUSSION 1170 



Rodolfo Pallabazzer 



FLUID MECHANICS OF SWIMMING PROPULSION 1173 



T. Yao-tsu Wu, California Institute of Technology, Pasadena, 

 California 



DISCUSSION 1201 



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

 Wageningen, Netherlands 



DISCUSSION 1Z02 



H. Schwanecke, Versuchanstalt fiir Schiffbau, 

 Hamburg, Germany ''• 



REPLY TO DISCUSSION 1204 



T. Y. Wu 



UNCONVENTIONAL PROPULSION 



THEORY OF THE DUCTED PROPELLER~A REVIEW 1209 



Johannes Weissinger and Dieter Maass, Institut fiir Angewandte 

 Mathematik, Universitat Karlsruhe, Karlsruhe, Germany 



DISCUSSION 1261 



Gilbert Dyne, The Swedish State Shipbuilding Experi- 

 mental Tank, Gothenburg, Sweden 



REPLY TO DISCUSSION 1264 



J. Weissinger and D. Maab 



STUDIES OF THE APPLICATION OF DUCTED AND CONTRAROTAT- 



ING PROPELLERS ON MERCHANT SHIPS 1265 



Hans Lindgren, C.A. Johnsson and Gilbert Dyne, The Swedish 

 State Shipbuilding Experimental Tank (SSPA), Goteborg, Sweden 



DISCUSSION 1304 



M. W. C. Oosterveld, Netherlands Ship Model Basin, 

 Wageningen, Netherlands 



DISCUSSION 1308 



A. Emerson, University of Newcastle-on-Tyne, New- 

 castle, England 



DISCUSSION 1309 



V. Silovic, Hydro- og Aerndynamisk Laboratorium, 

 Lyngby, Denmark 



ix 



