Miller 



5. Wereldsma, R., "Experimental Determination of Thrust Eccentricity and 

 Transverse Forces, Generated by a Screw Propeller," International Ship- 

 building Progress, Vol. 9, No. 96 (July 1962) 



6. Hadler, J.B., Ruscus, P., and Kopko, W., "Correlation of Model and Full- 

 Scale Propeller Alternating Thrust Forces on Submerged Models," paper 

 presented at the Fourth Symposium on Naval Hydrodynamics, ONR, Wash- 

 ington (Aug. 1962) 



7. Brown, N.A., "Periodic Propeller Forces in Nonuniform Flow," Massachu- 

 setts Institute of Technology Report 64-7 (June 1964) 



8. Brandau, J.H., "Static and Dynamic Calibration of Propeller Model Fluctu- 

 ating Force Balances," Naval Ship Research and Development Center Re- 

 port 2350 (Aug. 1967) 



9. Strand, S. and Cuthill, E., "General Vibration Code," David Taylor Model 

 Basin AML Report 139 (Sept. 1961) 



10. McCarthy, J.H., "Steady Flow Past Nonuniform Wire Grids," Journal of 

 Fluid Mechanics, Vol. 19, Part 4 (1964), pp. 491-512 



11. Tsakonas, S., Breslin, J., and Miller, M., "Correlation and Application of 

 an Unsteady Flow Theory for Propeller Forces," Presented at the Annual 

 Meeting, Society of Naval Architects and Marine Engineers, New York 

 (Nov. 1967) 



12. Boswell, R.J., "Measurement, Correlation with Theory, and Parametric 

 Investigation of Unsteady Propeller Forces and Moments," M.S. Thesis, 

 Department of Aerospace Engineering, The Pennsylvania State University, 

 University Park, Pennsylvania (1967) 



13. Titoff, LA. and Biskup, B.A., "Investigation into the Possibilities of Tandem 

 Propeller Applications with the Aim of Decreasing the Variable Hydrody- 

 namic Loads Transmitted to a Propeller Shaft," Eleventh International Tow- 

 ing Tank Conference, Tokyo, Japan (1966) 



DISCUSSION 



R. Wereldsma 



Netherlands Ship Model Basin 



Wageningen, Netherlands 



My first question refers to the dynamic calibration of the six -component 

 balance: Did the author take into consideration the hydrodynamic effects of the 

 propeller, being a part of the complete system? 



288 



