70 



SUBJECT INDEX 



Excitation, parametric, 558 



Explosions, damage by, analysis of, R-296 



detonating blast-type, T-1 68 



effect of, on freely suspended target, R-279 



recording of, by high-speed photography, 

 R-39; T-1 21 



tests of, on hatch seal locks, T-191 



See also Underwater explosions. 

 Explosive load, behavior of steel diaphragms 

 under, R-66 



resistance of steel to, R-30 

 Explosives, primers, T-49 

 Extensometers . See Strain gage. 

 External pressure, on cylindrical tubes, 309 

 [T-5] 



on unfired pressure vessels, 329, 356, 387 



Failure, of medium steel, R-207 

 Falling body, stability of, R-42 

 FARRAGUT (DD348), rudder tests for, full- 

 scale and model, 397 

 turning movements of, full-scale and model, 

 336, 397 

 Fathometer, catamaran float arrangement for 



towing, R-340 

 Fatigue strength, of materials, T-1 04, T-1 22 



of submarine hulls, T-1 89 

 Fatigue tests, 474 



Federal Shipbuilding and Dry Dock Company, 

 model tests of tanker for, 585, 620 

 Fighter BS1 , experiments with model' of, 33 

 Fighting ships, remodeling of, T-82 

 Figures, preparation of, R-128 

 Filter, electrical, in transducers, 521 

 Firing tests, of ELLYSON (DD454), full-scale, 



R-57 

 Flettner wind rotors, for ship propulsion, 1 08 

 Float, catamaran, model, R-251 , R-340 



displacement, for supporting submerged loads, 



573 

 for astern fueling, R-366 

 planing, design and performance of, model, 

 540 

 for supporting submerged loads, 573 

 5000-pound single, tests on, model, 142 

 Float problems, solution of, 540 

 Floating drydock, tests on, model, 74; R-310 

 Floats, airplane, model, 222 



Floats (Continued) 



airplane type of step In, 438 

 seaplane, 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, 81, 84, 85, 87, 88, 100, 103, 105, 

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

 137, 1^1 . T+3, 1W, 146, 148, 151 , 

 152, 155, 156, 158, 160, 162, 163, 

 165, 1 68 to 170, 172 to 174, 178 to 

 181, 1 84 to 186, 195, 196, 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 Sea-sled. 

 Flow, about airfoil, photographs of, model, 

 557 

 about ships and ship models, instruments 



and methods for measuring, 487 

 axial, pressure distribution for, T-220 

 displacement, around hull, model, T-85 

 hydrodynamic, 485 



investigation of, on ship model, T-53 

 theory of, T-48 

 Flow characteristics, of tanker, model, 646 

 Flow lines, 535 



Fluid, direction of velocity in, instrument 

 for determining, T-1 1 7 

 pressure In, instrument for determining, 

 T-117 

 FLUSSER (DD368), service strain on, full- 

 scale , 467 

 Flying boats. See Seaplane floats; Seaplane 



hulls; Sea-sled. 

 Form resistance of ships, 392 

 Formica, stress-strain characteristics of, 



R-74 

 Formulas, for stress, T-28 



friction, Schoenherr, roughness allowance 

 for use with, R-56 

 Fouling of ships' bottoms, 398 



