78 



SUBJECT INDEX 



Rolling experiments, on aircraft carriers, 

 model, 8, 13, l8 

 on battleship, model, 6 

 on crane ship, model, 69 

 on cruisers, model, '2JQ 

 on passenger liner, model, 7 

 Roof designs, comparison of, T-ll6 

 Rotating shafts, measurement of stresses in, 



R-54 

 Roughened ship model, tests with, T-67 

 Roughness allowances, determination of, 576 

 . with Schoenherr friction formula, R-56 

 Rudder forces, calculation of, T-52 

 Rudder tests, for cruiser model, 21 4 

 for FARRAGUT (DD348), full-scale and 

 model, 397 

 Rudders, comparative performance of, on 

 SALINAS (A019), full-sca'le, 350 

 design of, T-83 

 horizontal stern, with Submarine S3, model, 



R-133 

 resistance of, with PATOKA (A09), model, 

 268 

 RUSSELL (DD414), noise survey of, full-scale, 

 R-19 



ST. LOUIS (CIA9), noise survey of, full-scale, 

 R-7 

 service strain on, full-scale, 467, 468 

 SALINAS (A019), natural frequency of, full- 

 scale, 263 

 propulsion and steering of, full-scale, 350 

 wind effect on, model, 345 

 SAN FRANCISCO, photogrammetric research on, 

 full-scale, T-204 

 strain measurement on, full-scale, T-ll 

 vibration, acceleration, and wave measure- 

 ments on, full-scale, T-26 

 SANTA ROSA, wind effect on, model, 362 

 SAO PAULO, mast vibrations on, full-scale, 



10 

 Saunders, Capt. H.E., European diary of, 



R-365 

 Scale effect, in model propeller tests, T-37 



in model ship tests, T-l 94 

 SCHARNHORST, launching data for, full-scale 



and model, T-100, T-105 

 Schlleren method of photography, for recording 

 explosion phenomena, T-121, T-l 56 



Schoenherr friction formula, for calculating 

 effective horsepower of ships, 576 

 roughness allowance with, R-56 



Scoops, condenser, tests of, model, 384 



Scouts and destroyers, cavitation in, full- 

 scale and model, 110 



Scratch gage, 468; T-l 3 



Sea waves. See Waves. 



Seaplane floats, model, 2, 3, 9, 12, 21 to 23, 

 30 to 32, 35, 36, 38, 40, 43, 44, 49, 

 53, 59, 60, 63, 65, 67, 68, 72, 75, 76, 

 80, 8l, 84, 85, 87, 88, 100, 103, 105, 

 113, 123, 124, 127, 129, 131, 133 to 

 137, 141, 143, 144, 146, 148, 151, 152, 

 155, 156, 158, 160, 162, 163, 165, 1 68 

 to 170, 172 to 174, 178 to l8l, 184 to 

 186, 195, 196, 20.1, 203, 204, 206, 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, ^13, 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 218, 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, 407, 409 to 412, 

 4l6, 417, 420, 423, 425 to 427, 431, 

 432, 434, 439, 443, 448, 455, 456, 46l, 

 462, 464 

 See also Sea-sled. 



Seaplanes, list of models tested, 50 

 model tests for, 145 



Sea-sled, partly submerged propellers of, 

 model, R-132 



Seaway, loading of ship in, T-ll 



Self-propelled models, British method of test- 

 ing, T-l 27 



