CALCULATORS ON-LINE CENTER PART I: O-Z PETS, POSTAL, RELIGIOUS, SAILING

U.S.: Saturday, December 28, 2019

Sydney, Australia: Sunday, December 29, 2019

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Currently the Calculators On-Line Center contains
over “22,125” Calculators & Spreadsheets,

over “4,420” Courses, Lectures, Manuals, Handbooks,

& “1,000’s” of Movies, Videos, Simulations & Animations

PETS

Cats ~
Dogs ~
Horses

POSTAL
(Canada, The Netherlands, U.K. & U.S.)

RELIGIOUS
(Christian, Islam, Jewish, etc.)

SAILING

Sailboat Performance
(Sail Boat Analysis, Sail Area, Forces, Moments, Wind Analysis,
Docking, Knots, Splicing, Rigging, Rope/Line, etc.)

Sailboat Ratings ~
Sailing Racing Strategies

Calculators On-Line Center Part I: O-Z

Calculators On-Line Center

Cats

CAT – FELINE RELATED CENTERS

FOR CAT – FELINE CLINICAL MEDICINE CASES,
COURSES, LESSONS & DATABASES (CARDIOLOGY, PATHOLOGY, SURGERY, ETC.),
VACCINATION, DRUGS/PHARMACOLOGY, ANIMAL DISEASES & VIRUSES, ETC. SEE THE

VETERINARY CENTER: CLINICAL MEDICINE

FOR CAT – FELINE ANATOMY, CLINICAL EXAMINATION & CLINICAL MEDICINE, CARE & HANDLING, ETC. SEE THE

VETERINARY CENTER: ANIMAL SCIENCE – CATS/FELINE

CAT NAMES

PET NAMES: CATS & DOGS – Bow Wow Meow Pty. Ltd.

• • • VERY VERY EXTENSIVE.

• • • Pet Names
      • “…Thousands of Pet Names, Popularity, Meanings and Ratings…”

• • • • “…It may be surprising, but more than half (50%) of all Pet Names are either human

• • • • names or nicknames. People largely name their animals as they would name themselves.

• • • • Another fifth (20%) of names are based on the Pets appearance or personality. A black cat

• • • • becomes Blacky or Midnight, and active dog Comet or Dash…”

CAT BREEDS

CFA CAT BREEDS – Cat Fanciers’ Association
VERY VERY VERY…EXTENSIVE.

CFA

• • • • “…recognizes 39 pedigreed breeds for showing in the Championship Class, and 1 breed

• • • • as Miscellaneous. Our breed profiles below present a brief look at each breed’s history,

• • • • characteristics and personality. The historical breed articles give an indepth and

• • • • detailed look at the history of a breed…”

For more information see

Cat Fanciers’ Association

CAT AGE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

CAT AGE CALCULATOR – J. Green, Julia Computer Consulting, LLC

Cat Age Calculator is located at the Bottom of the Page.

For more information see

Julia Computer Consulting, LLC

CAT AGE CALCULATOR – Cat-World, Australia
For more information see

Cat-World

KITTEN DEVELOPMENT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

KITTEN DEVELOPMENT CALENDAR – Purrinlot
Multimedia Kitten Development Lessons (Text & Images).
VERY EXTENSIVE.

Kitten Development Calculator

• • • • “…shows you how your kitten is developing after it is born.

• • • • Each “bar” in the time-table stands for a certain event,…”

For more information see

Purrinlot

Dogs

DOG – CANINE RELATED CENTERS

FOR DOG – CANINE CLINICAL MEDICINE CASES, COURSES, LESSONS &
DATABASES (CARDIOLOGY, PATHOLOGY, SURGERY, ETC.),
VACCINATION, DRUGS/PHARMACOLOGY, DISEASES & VIRUSES, ETC. SEE THE

VETERINARY CENTER: CLINICAL MEDICINE

FOR DOG – CANINE ANATOMY, CLINICAL EXAMINATION & CLINICAL MEDICINE,
CARE & HANDLING, ETC. SEE THE

VETERINARY CENTER: ANIMAL SCIENCE – DOGS/CANINE

DOG NAMES

PET NAMES: CATS & DOGS – Bow Wow Meow Pty. Ltd.
VERY VERY EXTENSIVE.

Pet Names

• • • • “…Thousands of Pet Names, Popularity, Meanings and Ratings…”

• • • • “…It may be surprising, but more than half (50%) of all Pet Names are either human

• • • • names or nicknames. People largely name their animals as they would name themselves.

• • • • Another fifth (20%) of names are based on the Pets appearance or personality. A black cat

• • • • becomes Blacky or Midnight, and active dog Comet or Dash…”

DOG BREEDS

AKC DOG BREEDS & DOG GROUPS – The American Kennel Club (AKC)
Multimedia (Text & Images).
VERY VERY VERY…EXTENSIVE.

The American Kennel Club

• • • • “…is dedicated to upholding the integrity of its Registry,

• • • • promoting the sport of purebred dogs and breeding for

• • • • type and function. Founded in 1884,…”

For more information see

The American Kennel Club (AKC)

DOGS: BREED SELECTOR – Ralston Purina Company
Multimedia Database (Text, Images, Videos/Movies & Audio/Sound).

Dog Breed Selector also includes

• • • • “…Dog Food & Nutrition;

• • • • Dog Health;

• • • • Dog Behavior; etc…”

For more information see

Ralston Purina Company

WESTMINISTER KENNEL CLUB DOG SHOW – Westminister Kennel Club
Multimedia Westminister Kennel Club Dog Show (Text, Images, Videos/Movies & Audio/Sound).

Westminister Kennel Club Dog Show includes

• • • • “…Breed Entries (Sporting, Hound, Working, Terrier, Toy, Non-Sporting & Herding);

• • • • Breed Results Videos;

• • • • Best of Breed Videos;

• • • • Best of Group Videos;

• • • • Best of Show Videos; etc…”

DOG AGE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

DOG AGE CALCULATOR – Bow Wow Meow Pty. Ltd.
For more information see

Bow Wow Meow

PREGNANCY CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

CANINE PREGNANCY CALENDAR – Schaferhund.Com

Canine Pregnancy Calendar

• • • • “…shows you how your dams pregnancy develops.

• • • • Each “bar” in the time-table stands for a certain event,

• • • • if you move your mousepointer over a bar (don’t click),

• • • • a string will be printed in the status bar of your

• • • • window below and tells you what’s happening…”

For more information see

Schaferhund.Com the German Shepherd Information Source

Horses

HORSE – EQUINE RELATED CENTERS

FOR HORSE – EQUINE BUDGET, MANAGEMENT, CALCULATORS, SPREADSHEETS, ETC. SEE THE

AGRICULTURE CENTER: HORSES – EQUINE

FOR HORSE – EQUINE CLINICAL MEDICINE CASES, COURSES, LESSONS & DATABASES (CARDIOLOGY, PATHOLOGY, SURGERY, ETC.),
VACCINATION, DRUGS/PHARMACOLOGY, ANIMAL DISEASES & VIRUSES, RANCH MANAGEMENT, ETC. SEE THE

VETERINARY CENTER: CLINICAL MEDICINE

FOR HORSE – EQUINE ANATOMY, CLINICAL EXAMINATION &
CLINICAL MEDICINE, BODY SCORING, BRAIN ATLASES, PRODUCTION, CARE & HANDLING, ETC. SEE THE

VETERINARY CENTER: ANIMAL SCIENCE – HORSES – EQUINE

PREGNANCY CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • FOALING DATE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • MARE CARE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • VACCINATION CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

FOALING DATE & MARE CARE CALCULATOR – Tim & Darcy McMillen,
Dun City Quarter Horses, Imbler, Oregon

• • • • Foaling Date Calculator & Mare Care Calculator includes:
        • “…Ultrasound Date; Palpation Dates; Prodigy Dates;

• • • • • Vaccine Updates; Estimated Due Date,…”

For more information see

Dun City Quarter Horses

FOALING DATE ESTIMATOR – Gaited Horses, Fairwind WebPages

Foaling Date Calculators include:

• • • • “…Ultrasound Date, Palpation Dates,

• • • • Vaccine Dates for Pregnant Mare Equine Rhinopneumonitis Vaccination;

• • • • Estimated Due Date…”

For more information see

Gaited Horses

FOALING DATE, MARE CARE & PREGNANT MARE VACCINATIONS – Shenandoah Miniature,
Training and Foaling Center

Foaling Date, Mare Care & Pregnant Mare Vaccinations Calculators include:

• • • • “…Ultrasound Date; Palpation Dates;

• • • • Vaccine Dates for Pregnant Mare Rhino Vaccination;

• • • • Estimated Due Date…”

For more information see

Shenandoah Miniature Training and Foaling Center

HORSE HEIGHT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • HORSE WEIGHT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

Horse Height Calculators, Spreadsheets, etc.

HORSE HEIGHT CALCULATOR – OnlineConversion.com

Horse Height Calculator INPUT Values include

• • • • “…Height in Hands OR Height in Inches…”

Horse Height Calculator OUTPUT Values include

• • • • “…Height in Hands; Inches, Feet, Centimeters or Meters…”

For more information see

OnlineConversion.com

Horse Weight Calculators, Spreadsheets, etc.

ESTIMATE YOUR HORSE’S WEIGHT – Gaited Horses

Horse Weight Calculator

• • • • “…The weight of your horse is the basic guide to calculating

• • • • balanced rations, the single most necessary factor for sound

• • • • health and good peformance…”

Horse Weight Calculator INPUT Values include:

• • • • Girth
        • “…circumference of the horse’s body about 4″ behind its front legs…”

Length

• • • • • “…measured in a straight line from the point of shoulder to the buttocks…”

For more information see

Gaited Horses

HORSE FOOD CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • HORSE NUTRITION CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

BAILEYS HORSE FEED CALCULATOR – Baileys Horse Feed, U.K.

Horse Feed Calculator INPUT Values include:

• • • • “…Horses Bodyweight; Length; Heart Girth; Workload & Condition…”

For more information see

Baileys Horse Feed

HORSE FEEDING CALCULATOR – Purina Mills, LLC.
VERY EXTENSIVE

Click on “Feeding Calculator”

Horse Feeding Calculator INPUT Values include

• • • • Weight;

• • • • Horses Lifestyle
        • “…Performance; Show; Brood Mare: Gestation, Laction, etc.;

• • • • • Stallion: Breeding; Weanling; Yearling…”

Horse Feeding Calculator output values include:

• • • • “…Complete Foods; Feed Sources with Hay; Hay; etc…”

For more information see

Horse Nutrition

Canada

MAIL CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • POSTAL CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

CANADA: POSTAL CALCULATORS – Canada Post Corportation/Société canadienne des postes, Canada
VERY VERY VERY…EXTENSIVE.

Postal Calculators

• • • • “…Enter information, submit the query, and the system will return the

• • • • rates applicable to deliver your parcel within Canada…”

For more information see

Canada Post Corportation

The Netherlands

MAIL & PACKAGES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • POSTAL/SHIPPING RATE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

DHL TOOLS – DHL International GmbH
VERY VERY VERY…EXTENSIVE.

DHL Calculators include

• • • • “…Volumegewicht (Dimensional Weight Calculator);

• • • • Omreken Calculator; Valuta Calculator; etc…”

For more information see

DHL

U.K.

MAIL CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • POSTAL RATE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

POSTAL RATE, TRACK & TRACE, POSTALCODES – Royal Mail Group plc.,
Jointly owned by the Postal Services Dirctorate, Department of Trade & Industry (DTI),
& HM Treasury, United Kingdom
VERY VERY VERY…EXTENSIVE.

U.S.

MAIL & PACKAGES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • POSTAL/SHIPPING RATE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

FEDEX RATE CALCULATOR – Federal Express Corporation
VERY VERY EXTENSIVE.
For more information see

FedEx

POSTAGE RATE CALCULATOR (U.S.) – United States Postal Service (USPS)
VERY VERY VERY…EXTENSIVE.

USPS Calculators include

• • • • “…Letter; Envelope; Postcard; Recular Package; Large Package &

• • • • International Mail…”

For more information see

United States Postal Service Home Page

UPS QUICK COST CALCULATOR
VERY VERY EXTENSIVE.

UPS

• • • • “…is a global company with one of the most recognized and admired brands

• • • • in the world. We have become the world’s largest package delivery company and a

• • • • leading global provider of specialized transportation and logistics services.

For more information see

UPS (United Parcel Service of America)

Religious

RELIGIOUS CALCULATORS & APPLETS

• • • BAHÁ’Í RELIGIOUS DATE CALCULATORS & APPLETS

DIRECTION TO BAHJÍ (CALCULATOR) – Qiblih.com

Direction to Bahjí

• • • • “…The `Point of Adoration’, that is, the point to which the

• • • • worshipper should turn when offering obligatory

• • • • prayer, is called the Qiblih…”

RELIGIOUS CALCULATORS & APPLETS

• • • CHRISTIAN RELIGIOUS DATE CALCULATORS & APPLETS

ECCLESIASTICAL CALCULATOR – I. MacInnes,
Department of English,
Albion College, Michigan
VERY EXTENSIVE.

Ecclesiastical Date Calculator

• • • • “…Calculate the date of Easter and the other major feasts…”

Ecclesiastical Date Calculator includes:

• • • • “…Input: Christian Year…”

• • • • Output: Easter, Septuagesima, Ash Wednesday, Ascension, Pentecost, Trinity, Advent…”

For more information see the

Ian’s English Calendar;

I.F. MacInnes Home Page or the

Department of English

RELIGIOUS CALCULATORS & APPLETS

• • • ISLAM RELIGIOUS DATE CALCULATORS & APPLETS

MUSLIM PRAYER TIMES WORLD WIDE – MuslimsOnline.com
VERY EXTENSIVE.

RELIGIOUS CALCULATORS & APPLETS

• • • JEWISH RELIGIOUS DATE CALCULATORS & APPLETS

• • • HEBREW RELIGIOUS DATE CALCULATORS & APPLETS

CIVIL & HEBREW CALENDAR – J. Elkind
VERY EXTENSIVE.

Perpetural Civil & Hebrew Calendar shows

• • • • “…Jewish Holidays & USA Holidays…”

For more information see

Jeny Elkind’s Home Page

HEBREW CALENDAR – P.D. Asimow,
Experimental Petrology Group,
Geological and Planetary Sciences Division,
California Institute of Technology (Caltech)
VERY EXTENSIVE.

With the Hebrew Calendar you

• • • • “…can input dates or date ranges either in Gregorian

• • • • or Hebrew form; any date in the Common Era will

• • • • work (i.e, after Gregorian Year 2 or Hebrew Year 3760)…”

The Hebrew Calendar will also

• • • • “…return all the festivals during the specified period…”

For more information see

Paul D. Asimow’s Home Page;

Paul D. Asimow’s Faculty Home Page or the

Geological and Planetary Sciences Division

JOS CALENDAR CONVERSION – M. Tobias & B.I. Kouchel, JewishGen, Inc

JOS Calendar Converter Calculator

• • • • “…can convert a civil (Gregorian calendar) date into the

• • • • equivalent date on the Hebrew calendar, and vice versa.

• • • • It can also display Yahrzeit dates for consecutive years…”

For more information see

JOS – JewishGen Calculator or

JewishGen

JOS JEWISH FESTIVAL DATES – M. Tobias & B.I. Kouchel, JewishGen, Inc

JOS Jewish Holiday Calendar Calculator

• • • • “…can display a list of all Jewish holidays for any year – a civil

• • • • year (Gregorian calendar) or a Jewish year (Hebrew calendar)…”

For more information see

JOS – JewishGen Calculator or

JewishGen

ZEMANIM (HALACHIC TIME OF DAY) CALCULATOR – Scharf Associates

Zemanim Calculator

• • • • “…Computes Alos HaShachar, Sunrise, Sunset, Sof Zeman K’rea Sh’ma,

• • • • Plag HaMincha, Tzait hakochavim, etc…”

For more information see

Kashrut.com

Sailboat Performance Calculators

SAILING RELATED CENTERS

FOR SAILING COURSES SEE

MARITIME, SHIPS, SAILING, BOATING

FOR NAVIGATION COURSES SEE

NAVIGATION

FOR NAVIGATION CALCULATORS & APPLETS SEE

CALCULATORS CENTER: NAVIGATION – OCEAN/SEA NAVIGATION CALCULATORS & APPLETS

FOR NAVIGATION BY THE STARS IN REAL-TIME SEE

ASTROPHYSICS: SKY CHARTS IN REAL TIME

Sailing Performance Specific

SAILS AERODYNMACIS COURSES, LECTURES, ETC.

SAILS SHAPE AND AERODYNMACIS – WB-Sails Ltd., Helsinki, Finland
Multimedia Sails Shape & Aerodynamics Lessons, etc. (Text, Images, Simulations, Videos/Moves & Audio/Sound).
VERY VERY VERY…EXTENSIVE.
For more information see

WB-Sails Home Page

KNOT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • SPLICING CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • RIGGING CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

• • • ROPE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

FOR MORE KNOTS, LASHINGS & RIGGING COURSES, ETC. SEE
MARINE ENGINEERING & OCEAN ENGINEERING CENTER: KNOTS, LASHINGS & RIGGING

Rope Calculators & Applets

ROPE (FIBRE ROPES & STEEL WIRE ROPES) SELECTION CALCULATOR – TTI Ltd.
VERY VERY EXTENSIVE.

Rope Selection Calculator is

• • • • “…based on the input of desired strength, fibre and

• • • • construction, the calculator returns the theoretical weight,…”

Rope Selection Calculator INPUT Values include:

• • • • Strength;

• • • • Construction
        • “…Braid; Wire Rope; Parallel Strand; Parallel Yarn…”

Fibre

• • • • • “…Aramid SM; Aramid HM; HMPE; LCP; Nylon; Polyester…” etc.

For more information see

Tools & Guides or

Tension Technology International

ROPE CALCULATOR – Donaghys
VERY VERY EXTENSIVE.

Rope Calculator INPUT Values include:

• • • • Rope Application
        • “…Main Halyard; Mainsheet; Reefing Line; Mainsail Outhaul;

• • • • • Genoa Jib Halyars, Jib Sheet, Jib Cunningham, etc;

• • • • • Spinnaker Sheet; etc…”

Boat Length (6′ to 53′)…”

For more information see

Leisure Marine or

Donaghys

Knot Calculators, Applets, Animations & Simulations

ANIMATED KNOTS: BOATING – A.W. Grogono (Retired),
Department of Anesthesiology,
School of Medicine,
Tulane University
VERY VERY EXTENSIVE.
Multimedia Animated Knots & Lessons (Text, Images & Simulations).

Animated Knots

• • • • “…These animated knots were created for boat owner

• • • • and crew…”

Examples of “Animated Knots” with Lessons include

• • • • “…Bowline Knot;

• • • • Cleat Hitch Knot;

• • • • Sheet Bend Knot;

• • • • Constrictor Knot;

• • • • Anchor Bend Knot;

• • • • Eye Splice Knot;

• • • • Buntline Hitch Knot;

• • • • Carrick Bend Knot;

• • • • Clove Hitch Knot; etc…”

For more information see

Animated Knots by Grog or

Alan W. Grogono’s Home Page

FOLSONS KNOTTING PAGE – A.L. Folsom, Jr.
VERY VERY EXTENSIVE.
Multimedia Animated Knots & Lessons (Text, Images & Simulations).

Examples of “Folsons Knotting Page” Lessons & Simulations include

• • • • Basic Knots
        • “…Square (or Reef) Knot;

• • • • • Sheet Bend;

• • • • • Bowline;

• • • • • Clove Hitch; etc…”

Fifty Knots

• • • • • “…Alpine Butterfly (Linesman’s Loop);

• • • • • Bowline on a Bight;

• • • • • Cleat Hitch;

• • • • • Manharness Knot;

• • • • • Midshipman’s Hitch;

• • • • • Portuguese Bowline; etc…”

For more information see

Alan L. Folsom, Jr.’s Home Page

KNOTTING DICTIONARY – The Knotting Dictionary of Kännet, Sweden
VERY EXTENSIVE.
Multimedia Knots Lessons (Text & Images).

Examples of “Knotting” Lessons include

• • • • “…Reefknot;

• • • • Water Knot;

• • • • Sheetbend Knot;

• • • • Bowline Knot;

• • • • Clove Hitch;

• • • • Sheepshank Knot;

• • • • Round Hitch;

• • • • Buntline Hitch; etc…”

For more information see

The Knotting Dictionary of Kännet

KNOT APPLET – M. Stevens
VERY EXTENSIVE.
Multimedia Knot Lessons (Text & Images).

Examples of “Knotting Applet” Lessons include

• • • • “…Overhand Knot;

• • • • Figure 8 Knot;

• • • • Square Knot;

• • • • Bowline Knot;

• • • • Sheet Bend;

• • • • Granny Knot;

• • • • Elizabeth’s Knot; etc…”

For more information see

Mac Stevens Home Page

Splicing Calculators, Applets, Apps, etc.

SPLICING GUIDES – Teufelberger Fiber Rope Corporation (Formally New England Ropes),
Fall River, MA.,
a Division of TEUFELBERGER Ges.m.b.H.,
Wels, Austria
Multimedia Splicing Guides & Splicing Instructional Videos (Text, Images, Videos/Movies & Audio/Sound).
VERY VERY EXTENSIVE.

Ropes – Lines

• • • • “…One of the building blocks of any line, regardless of ultimate use,

• • • • is fiber. We feel that it is important for you, as the end-user

• • • • expecting certain performance, to have a basic understanding

• • • • of the characteristics of the various fibers used in the

• • • • manufacture of rope today…”

Examples of “Splicing Guides” Categories

• • • • 12-Strand
        • “…12-Strand Single Braid Eye Splice;

• • • • • 12-Strand Single Braid Eye Splice; etc….”

3-Strand

• • • • • “…3-Strand Eye Splice; 3-Strand Tapered Eye Splice; etc…”

Double Brain

• • • • • “…Double Braid Eye Splice; Double Braid Back Splice; etc…” etc.

For more information see

New England Ropes (Old Site) or

Teufelberger

MAINSHEET CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

MAINSHEET LOAD CALCULATOR – J. Oster
For more information see

Joseph Oster’s Home Page

PHRF CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

PHRF CALCULATOR – W. Beardsley

PHRF Calculator

• • • • “…Assumes 10 knots True Wind Speed, a Windward/Leeward Course,

• • • • optimal jibing angles, and flat water. Calculated speed is an

• • • • approximation assuming normal pointing ability, etc…”

For more information see

Wayne Beardsley’s Home Page

SAIL AREA CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

CALCULATE SAIL AREA FROM I,J,P, AND E DIMENSIONS – W. Beardsley
For more information see

Wayne Beardsley’s Home Page

Engine Performance (when needed)

ENGINE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

BOAT PROP CALCULATOR (JAVA APPLET) – G. Polson, Polson Enterprises

Boat Propeller Calculator INPUT Values include

• • • • “…Engine RPM; Gear Ratio; Propeller Pitch;

• • • • Propeller Slip & Speed…”

For more information see

Recreational Boat Building Industry Home Page

Sailboat Ratings

SAILBOAT RATINGS CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

BOAT CALCULATOR: RATE YOUR BOAT (JAVA APPLET) – gosail.com

• • • Rate Your Boat
      • “…The application will perform as many calculations as the numbers permit. For example,

• • • • computing SA/D (sail area to displacement ratio) obviously requires both sail area

• • • • and total displacement. Values marked with * are needed for all calculations…”

Sail Area-to-Displacement Ratio

• • • • “…is based on the relationship of the power developed by a boat’s sails to

• • • • her total weight (displacement should include the total weight of the boat, her supplies,

• • • • and crew). The rating is derived by dividing the sail area by the

• • • • boat’s displacement (expressed in terms of volume) to the 2/3 power…”

For more information see

gosail.com

ESTIMATES IMS GP10 RATINGS CALCULATORS & APPLETS

IM-S-TIMATOR: ESTIMATES IMS GP10 RATINGS – W. Beardsley

IM-S-Timator

• • • • “…it is surprisingly accurate for about 90% of the boats it has been

• • • • tested with. Results are frequently within plus or minus 12 seconds a mile.

• • • • Major sources of inaccuracy include lack of data for hull shape, lifting

• • • • surfaces, righting moment, pitching moment,

• • • • rig weight and crew weight…”

For more information see

Wayne Beardsley’s Home Page

Sailing Strategies

SAIL ANIMATIONS & SIMULATIONS

SAIL TRIM SIMULATION – WB-Sails Ltd., Helsinki, Finland
VERY VERY VERY…EXTENSIVE.
For more information see the

WB-Sails Home Page

SAILBOAT RACING CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS

SAILING STRATEGIES CALCULATOR (JAVA APPLET) – R. Vanderbei,
Department of Operations Research and Financial Engineering,
School of Engineering and Applied Science (SEAS),
Princeton University
VERY VERY EXTENSIVE.

Sailing Strategies

• • • • “…Consider a sailor who wishes to sail from one point (A) to another (B) in the

• • • • shortest possible time (for example, in a race). To create a simple model of such

• • • • a situation, suppose that the lake is represented by a 2-dimensional square n-by-n grid

• • • • of waypoints. Every path from A to B consists of a sequence of legs, the endpoints of

• • • • which must be waypoints. Suppose further that…”

For more information see

Robert Vanderbei’s Home Page or the

Department of Operations Research and Financial Engineering