SUBJECT INDEX 



971 



Roughness, on a rudder and horn, 743 

 structural, working limits, 740, 74] 

 surface, practical, definitions of, 114 

 Round-bottom motorboat, first power and weight estimates, 



853 



space layout, 852 



selecting hull shape, 854 



tender, ABC, laj'out of lines, 855 

 utility-boat, design, example of, 858 

 Rudder(s), action, design for rapid response to, 735 

 and plane areas, 715 



positions, 706 



ship force and moment diagram, 717 

 angle, neutral, from model tests, 876 

 apertures and gaps ahead of, 712 

 -area data for merchant-type ships, 714, 715 

 automatic flap-type, 735 

 balance portion, pressure field of, 711 

 bow, design of, 735 



close-coupled and compound, design of, 726 

 compound or flap-type, design of, 726 



simple, faired propeller hubs forward of, 745 

 contra-; see Contra- 



design notes for, 729 

 design(s) for two ABC ship sterns, 727 



of horns for, 690 

 -fin assemblies of G. H. Bottomley, 719 

 flap-type; see Rudder, compound 



automatic, 735 

 for maneuvering astern, 735 

 force and moment, lateral, by model tests, 716, 717 



proposed method of estimating, 715 

 -force fraction, for control surfs, definition of, 718 

 hinge gaps, closures for, 691, 726 

 horns, design notes, 690 

 motorboat, design of, 724 



position relative to screwprop outflow jet, 707, 708 

 positioning of, in design, 706 

 sections, selecting and proportioning, 722 

 shaping of, relative to stern, 709 

 single or multiple, 708 

 torque and ship-turning moments, 720 

 tubular, conditions for, 726 

 Run, selection of section shape in, 515 



shapes of typical ships in, 234-238, 249, 252, 253 

 Running attitude, and ship motion diagrams, 325 



planing craft, 850 



predicted, of plam'ng craft, 851 

 position(s), and steering, offset, in a channel, 413 



predicted, of planing craft, 851 

 Russian ship data, tabulated, 229 



Sail-area to wetted-surface ratio of yachts, 786 

 Sailing yacht(s), auxihary propulsion for, 652 

 design, aspects of, 783 



brief bibliography on, 786, 787 

 Sand roughness, equivalent, 113 

 Scale effect, in predicting shaft power, 379-382 



problems in appendage resistance, 288 

 Schedule, design, for a ship, 444 

 Schlichting, intermediate speed in shallow water, 392 

 O., shallow-water procedure, features of, 394 



speed-resist determination in shallow water, 

 definition diagram, 392 



Schmidt type of flush inlet scoop, 702 

 Schoenherr combination of steps for screwprop design, 630 

 friction formulation, 100, 102 

 local friction-resistance formula, 102 

 specific friction-resist coefTs, partial tables of, 104 

 wake-fraction formula, 369 

 Schultz-Grunow friction-resistance formula, 102 

 Scoops, condenser, injection, design, 701 



partial bibliography on, 703 

 Screw or screw propeller; see Propeller, screw 

 multiple-, sterns, 236 

 single-, body plans, typical, 234-236 

 sterns, arch type, 521 



general arrangement, 518 

 three- and five-, installations, 521 

 triple-, vessels, shapes of, 237, 238 

 twin-, and quadruple-, stern forms for, 520 

 body plans, typical, 238 

 Sea, complex, 3-oomponent, delineation of, 172 

 water, chemical constituents of, 924 

 waves; see Waves 

 Seagoing; see Wavegoing 



Seatrains, to carry railway cars, description of, 762 

 Secondary ship-design requirements, tabulation of, 452 

 Section(s), blade, screwprop, selection of types, 605 

 shapes, final, for ABC ship, 627 

 shaping by cavitation criteria, 621 

 coeff along length, variation of for ABC 

 ship, 517 



in entrance, for typical ships, 516 

 control surfaces, chordwise proportions, 722 

 discontinuous; see Discontinuous 

 half-, of five strut shapes, 679 

 huU, shapes of in design, 515 



hydrofoils, symmetrical, leading and trailing edges, 675 

 maximum, layout of contour, 476, 477 

 section coefficient, selecting, 468, 469 

 maximum-area, longitudinal position of, 483 

 roll-damping features in, 477 



rudder, chordwise, selecting and proportioning, 722 

 shape (s), abovewater, design of, 551 

 factors for vibrating ships, 429 

 for planing craft, selecting, 835 

 shallow-water running, 662 

 in entrance and run, 515 

 strut-arm, for ultra-high speeds, 680 

 ship, mathematical, 191 

 small-scale, preparation, 486 

 sketch of, 487 

 Section-area curve(s), dehneation, mathematic, 198 

 fairing of, 198 



final, for ABC ship, 542, 543 

 for ABC planing-type tender, 845 

 round-bottom tender, 858 

 ship, 0-diml plot of, 544 

 preliminarj^ 485 

 reference data for drawing, 230 

 selection, sketching, and shaping of, 482 

 TSS parent form, 224 



0-diml ordinates of, 226 

 Self-propelled box-shaped vessels, design notes, 779 

 dredges, design features, 777 

 floating drydocks, 779 

 model tests, backing power from, 388 



