Nowaekt and Sharma 
Mr. W.S. Vorus, Ph. D. candidate at the University of 
Michigan, for a major share of the computer programming and test 
evaluation, 
NB bainal Or Ostergaard, visiting scientist at the University of 
Michigan, for the computer program for propeller design originated 
at the Technical University of Berlin and extended at the University 
of Michigan to cover the off design performance, 
Mr. A.M. Reed, graduate student at the University of Mich- 
igan, for the computer programs for wave profile analysis and the- 
oretical wavemaking resistance, 
Mr. B. Hutchison and Miss S. Pian, students at the Univer- 
sity of Michigan, for their assistance in writing the computer pro- 
gram for hull wave flow calculations by thin ship theory, 
Mr. E. Snyder of the Ship Hydrodynamics Laboratory, Uni- 
versity of Michigan, for his expert execution of the model test pro- 
gram, 
Messrs. T. Little, A. Toro, and B.L. Young, students at 
the University of Michigan, for their enthusiastic help in conducting 
the model tests, 
The staff of the Ship Hydrodynamics Laboratory, University 
of Michigan, for their careful and patient handling of all jobs pertain- 
ing to the model tests, 
The Hamburg Ship Model Basin (HSVA), Hamburg, Germany, 
for lending a model propeller for our experiments, and 
The Naval Ship Research and Development Center, Carderock, 
Maryland, for providing copies of computer programs for propeller 
design (Lerbs induction factor program) and potential flow calcula- 
tions (Hess and Smith program), 
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