103 



SUBJECT INDEX 



Seaplane floats [Continued] 



158, 1 60 , 162, 163, 165, 1 68 to 170, 172 

 to 17^1, 178 to l8l , 184 to 1 86, 195, 

 1 96, 201, 203, 204, 208, 212, 220, 224, 

 228, 238, 243, 247, 251, 254, 257, 258, 

 266, 28l, 284, 300, 302, 306, 308, 313, 

 314, 320 to 322, 324, 327, 337, 338, 

 342, 346, 347, 349, 351 to 353, 355, 

 357 to 359, 36l, 364, 365, 367 to 369, 

 373, 378, 379, 383, 386, 388, 393, 394, 

 399, 400, 404, 406, 409, 413, 415, 419, 

 436, 437, 444, 451 , 454, 465 

 See also Hydrofoils; Sea-sled. 



Seaplane hulls, model, 5, 11, l6, 39, 46, 47, 

 51 , 70, 79, 89, 90, 92 to 95, 97 to 99, 

 102, 104, 107, 111, 120, 138, 139, 150, 

 154, 157, 161, 164, 165, 171, 175, 177, 

 182, 188, 192, 197, 202, 209, 211, 213, 

 215 to 21 8, 221, 223, 229 to 237, 239 to 

 242, 244 to 246, 248, 249, 253, 255, 

 257, 258, 274, 279, 300, 302, 306, 308, 

 310, 311, 313, 314, 320, 321, 324 to 

 326, 330, 335, 337, 342, 343, 346, 351, 

 352, 355, 368, 373, 376, 377, 380, 38l, 

 388, 389, 391, 401, 405, ^07, 409 to 

 412, 41 6, 417, 420, 423, 425 to 427, 

 431, 432, 434, 439, 443, 448, 455, 456, 

 46i , 462, 464, 669 

 See also Sea-sled. 



Seaplanes, list of models tested, 50 

 model tests for, 145 



Seatrain, model tests of, 747, 747A 



Self-propelled models, British method of 

 testing, T-127 

 scale effect on, 730, 731 



Sensitization of polyvinyl alcohol, as coating 

 for printing plates, T-1 79 



Separation of drag (resistance), by wake sur- 

 vey, 772 



Service measurements, on aircraft, T-211 

 on ships, T-211 



Service strain tests, on hull structure, full- 

 scale, 467 

 technique and procedure, full-scale, 468 



Shaft bearings, friction in, 360 

 reduction of vibration in, T-39 



Shaft bossing, on HAMILTON (DD141), vibration 

 tests on, full-scale, 305 



Shaft horsepower of ships. See specific ship 



or model test. 

 Shaft stresses, circuits for measuring, R-l87 



in submarine chaser, full-scale, R-187 

 Shaft struts, effect of, on propulsion, 256 

 Shallow water, effect of, on performance, 

 model, 640 

 effect of, on resistance, 4o8, 41 4, 460; T-56, 



T-84 

 wave of translation in, 4o8 

 Shapes. See Bodies. 

 Sharp, Geo. G. , fast cargo vessel design, 759 



passenger-cargo vessel design, 702 

 Shear, of stiffened plates, T-31 

 Shear tests, on flight deck planking, 736 

 Shekleton's report on underwater explosions, 



479 

 Shell shock, T-1 55 



Shells, eight-oared, tests of, full-scale and 

 model, 283 

 thin, elastic deformation of, 606 

 elastic theory of, 606; T-238 

 Shimmer method of photography, for recording 



explosion phenomena, T-1 21 , T-1 56 

 Ship calculations, graphic integrator and dif- 

 ferentiator, T-1 24 

 Ship data, reduction and analysis of, 649 

 Ship design, model, 298 



Ship models, effect of size on predicted ef- 

 fective horsepower, 6l 8 

 effect of transverse curvature on frictional 



resistance of, 689 

 essential specifications for, 652; R-334 

 geometrically similar, towing tests of, 615 

 liberty-ship series, towing tests of, for 



ATTC, 615 

 self-propelled, conditions for testing, T-127 

 wax, manufacturing of at TMB, 728 

 wood, building of, at U.S. Experimental Model 



Basin, 323 

 wooden versus paraffin, 319 

 Ship plates, buckling of, T-66 

 iron and steel, 474 



transition temperature of, in notch-tensile 

 tests, 709 

 Ship stabilization. See Roll stabilization. 

 Ship trials, methods and equipment, 476 

 See also Standardization trials; Tactical 

 data; Turning tests. 



