SUBJECT INDEX 



969 



Propulsion, and hull shape for a submarine, S13 



asymmetric, notes on, 651 



auxiliary, for sailing yachts, 652 



bow screwprops and, 632, 792 



data, self-, on models of typical ships, 377 



devices; see Propdevs 



factors, ship-and-model, for typical vessels, 380-382 



gas-jet, performance data on, 337 



hydraulic-jet, available performance data, 337 

 design notes, 648 



outboard, 653 



paddletrack, design features, 638 



pump-jet, available data on, 337 

 design notes, 648 



submarine, 813 

 Propulsive coefficient, ABC and other ships, 895 



determination of, 375 



ranges of typical values, 376 

 Protectors, galvanic-action, design of, 704 

 Pull, towing, measured on ships, 310 

 Pump-jet propdevs, available performance data on, 337 



propulsion, design notes for, 648 

 Purpose, special-, craft, classification of, 750 



design of, 750 



of the future, 818 

 Pure formulas and equations, use of, xx, 7 

 Pushboat, Hillman, body plan and profile, 667 



Quadruple-screw vessels, stern forms for, 520 

 Quantitative data on dynamic lift and planing, 263 



separation, eddjdng and vortex motion, 133 

 Quantitative effect of shallow water on ship speed and 



resistance, 390 

 relationships between vel and press in potential flow, 



25 

 Quotient, speed-length, 11 



variation of total resistance with, 308-310 

 Taylor, definition and use of, 11 



relation to Froude number, 11, 928, 932 



Race, propeller; see Jet, outflow 

 Racing shells, design of hulls for, 752 

 Radial flow diagrams, 3-diml, data for constructing, 64, 65 

 stream functions, 53 



stream functions for 2-diml source-sink pair, 55 



thrust distribution for screwprop, 615, 616 

 Radius, and pitch variation of screwprop, 598 



bilge, computing, 477 



hydraulic, definition and sketch, 409, 412 

 of channels, calculation and use, 409 



of curvature, 2-diml, formula for, 195 

 Rake for ABC screwprop, determination of, 612 

 Raked screwprop blades, use of, 600 

 Ram pressures and heads, in fresh and salt water, tables, 



28-30 

 Rate of rotation, in propdev and ship design, 572 



screwprop, determining, 597 

 Ratio(s), area, of screwprops, 340 



aspect; see Aspect 



ballast, definition of, 786 



between English units of measurement, 926 



bilge radius to beam Bx, 477, 912 



conversion, English-metric, 928-930 



dip, of paddle blades, 639 



Ratio(s), effective aspect, for ship hydrofoils 

 expanded-area, of screwprop, 602 

 fatness, first approx, 464 

 freeboard, tentative, 548 



lift-drag for airfoils and hydrofoils, list of refa, 76 

 major resistance components, 313 

 pitch-diameter, for screwprop, 598 



hydrodynamic for screwprop, 617 

 reserve-bouyancy, 547 

 sail-area to wetted-surface, 786 

 scale, a(or X), 909 



ship parameters and coefficients, 930 

 square-draft to water-depth, 393 

 steepness, and wave heights, 169 

 velocity, and press coefficients, tables of, 27, 30 

 waterline beam to length, 470 

 Real propeller efficiency, variation in, 333 

 Recessed lifting fittings, design of, 743 

 Recesses, for anchors, design of, 556 



shallow, design of, 748 

 Reduction factors for calculated added masses, 430 



of 2 per cent speed in water of given depth, 403 

 Reference(s), area, length, or volume, definition of, 5 

 data and prediction procedures, 1 



for properties of water, 915 

 list of; see BibUography 

 source abbreviations for, xx 

 terms in specific coefficients, 5 

 Refracting solutions, use of in flow studies, 48 

 Relations, analytic ship-wave, features derived from, 217 

 Relationship, quantitative, between vel and press in 



potential flow, 25, 26 

 Relative rotative efficiency, finding, 374 

 Requirement(s), applying to hydrodynamic features, 

 formulation of, 446 

 departures from letter of specifications and, 454 

 design, ferryboats, 790 

 fireboats, 774 

 fishing vessels, 770 

 for screwprop, 583 



submarines, 809 

 life-saving or rescue boats, 816 

 hghtships, 814 

 principal, statement of, 446 

 propeller-series charts, 584 

 readj'-made, interpretation, 454 

 fundamental, for every ship, 443 

 hydrodynamic, analysis, 460 

 maneuvering, propdev design for, 580 



ship size as a factor in, 452 

 operating, for planing forms, 824 

 prehminary design study of motorboat, 825 

 principal hydrodynamic, analysis of, 826 

 rescue or life-saving boats, 816 

 reserve-buoyancy, 546 

 secondary ship, tabulation, 452 

 steering, design for conflicting, 713 

 submarine operating, 809 

 yacht-design, 783 

 Reserve and powering allowances, 576, 577 

 buoyancy, requirements in design, 546 

 of power, in propelling machinery, 575 

 speed, desirability of, 574, 575 

 Residuary resistance ; see Resistance 



