Sec. 53.9 



DATA ON DYNAMIC LIFT AND PLANING 



273 



ment of the Hydrofoil Speed Boat," Schiff u. 

 Hafen, Mar 1953, p. 103 



(32) Grupp, G. W., "Speedboats with Wings," Motor 



Boating, New Yorlv, Aug 1953, pp. 22-23 



(33) "Water Wings Add Zip to Navy Craft," All Hands 



IVtag', Bu. Nav. Pers., Oct 1953, pp. 14-16 



(34) Buermann, T. M., Leehey, P., and Stilwell, J. J., "An 



Appraisal of Hydrofoil-Supported Craft," SNAME, 

 1953, pp; 242-279. This paper is abstracted briefly 

 in the 14 Jan 1954 issue of SBSR, pp. 53-54. 



(35) Coffee, C. W., Jr., and McKann, R. E., "Hydro- 



dynamic Drag of ] 2- and 21-per cent Thick Surface- 

 Piercing Struts," NACA Tech. Note 3092, Dec 

 1953. Covers tests at zero yaw angle, various 

 depths, and various angles of rake. Two struts 

 had NACA 661-012 sections and one an NACA 

 664-021 section. 



(36) Warren, C. H. E., "A Theoretical Approach to the 



Design of Hydrofoils," Aero. Res. Counc, London, 



R and M 2836, Sep 1946, published 1953 



(37) "Boats that Fly Atop the Waterj" Life, 27 Sep 1954, 



pp. 56-58, 60 



(38) Imlay, F. H., "The Theoretical Dynamic Longi- 



tudinal Stability of a Constant-Lift Hydrofoil 

 System," TMB Rep. 925, Dec 19.54 



(39) Miller, R. T., "Hydrofoil Craft," Yachting, Mar 1955, 



pp. 58-60, 127 



(40) Biiller, K., "New and Larger Hydrofoil Boats," 



European Shipbuilding, 1955, Vol. 4, pp. 5-8; 

 abstracted in IME, Jul 1955, Vol. LXVII, pp. 

 102-103, with diagram of the PT SO/dJf, a Schertel- 

 Sachsenberg craft, in its flying position. Brake- 

 power to displacement ratios of the Bremen and 

 Messina types, whose characteristics are given, 

 are 59 and 55 horses per ton, respectively. 



(41) "World's Fastest (Hydrofoil) Sailing Boat, Monitor," 



111. London News, 8 Oct 1955, p. 627; Yachting, 

 Nov 1955, p. 71 ; SBSR, 17 Nov 1955, p. 637. 



