Club
Certificate
2023

Boat

WINDBORN

USA 51120

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.0°40.8°39.3°38.1°37.2°36.9°36.9°
Beat VMG3.864.705.215.455.595.685.76
52°5.896.927.447.667.787.857.94
60°6.187.157.627.857.978.068.16
75°6.377.287.758.048.248.378.54
90°6.227.207.748.098.378.618.95
110°6.207.397.988.348.598.839.26
120°6.097.337.988.458.869.199.80
135°5.426.847.738.288.799.3210.71
150°4.595.826.917.708.128.499.26
Run VMG3.985.045.996.687.047.388.21
Gybe Angles143.5°146.9°147.8°150.7°150.1°171.2°174.8°

APH: 511.4

CDL: 10.733

GPH: 571.6

CertNo: US6292

BOAT
ClassJ 120DesignerJOHNSTONEBuilderTPIAge date07/1994Series date06/1994Offset fileJ120.offData fileUS6292
HULL
Length Overall12.244 mMaximum Beam3.674 mDraft2.165 mDisplacement6,983 kgDLR5.0568IMS DivisionCruiser/RacerDynamic Allowance0.070%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.436m
CREW
Maximum weight636 kgMinimum weight477 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail45.4146.47Headsail Luffed50.0350.03Headsail FlyingSymmetricAsymmetric164.89164.89 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.44Storm Jib11.87Heavy Weather Jib32.04
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment178.0 kg·mStability Index120.6
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  04560002L49Issued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WINDBORN

USA 51120

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG931.6766.4691.4660.5644.1634.1625.4
52°611.7520.2483.7469.9462.8458.4453.5
60°582.2503.7472.2458.4451.4446.7441.3
75°565.2494.5464.3447.8437.1430.2421.3
90°578.9500.0464.8445.0430.2418.3402.4
110°580.8487.3451.1431.9419.0407.8388.8
120°591.3491.3450.9426.2406.3391.9367.4
135°664.0526.0465.8435.0409.4386.3336.2
150°784.2618.7520.7467.3443.2424.0388.6
Run VMG905.5714.4601.3539.1511.7487.8438.6
Selected Courses
Windward / Leeward918.5740.4646.3599.8577.9560.9532.0
All purpose709.0584.2524.3494.7477.9464.9443.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward627.40.9563
All purpose511.41.1733
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8479
Downwind "popa"1.0004
70% up, 30% down "Ilhabela"0.8885
30% up, 70% down "Ilhabela-inverso"0.9492
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Predominantly Upwind550.91.0891
Predominantly Downwind517.01.1606
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low646.60.9279
Triple Number All Purpose Medium507.81.1816
Triple Number All Purpose High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Predominantly Upwind550.91.0891
Predominantly Downwind517.01.1606
Predominantly Upwind Low716.10.8378
Predominantly Upwind Medium569.11.0543
Predominantly Upwind High534.21.1232
Predominantly Downwind Low707.30.8482
Predominantly Downwind Medium513.01.1697
Predominantly Downwind High438.41.3685
Chicago-Mac Upwind1.0709
Chicago-Mac All Purpose1.1022
Chicago-Mac Downwind1.1413
Bayview-Mac Cove Island1.0277
Bayview-Mac Shore1.0369
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching485.91.2348
Predominantly Reaching Low587.81.0208
Predominantly Reaching Medium480.61.2485
Predominantly Reaching High426.01.4084
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low904.80.6631
5-Band Low / Medium759.40.7901
5-Band Medium612.40.9798
5-Band Medium / High562.21.0673
5-Band High537.01.1173
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance555.1
Triple Number Coastal/Long Distance Low646.6
Triple Number Coastal/Long Distance Medium507.8
Triple Number Coastal/Long Distance High460.2
Triple Number Windward/Leeward Low829.4
Triple Number Windward/Leeward Medium621.6
Triple Number Windward/Leeward High554.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9279
Triple Number Coastal/Long Distance Medium1.1816
Triple Number Coastal/Long Distance High1.3038
Triple Number Windward/Leeward Low0.7234
Triple Number Windward/Leeward Medium0.9653
Triple Number Windward/Leeward High1.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low646.6
Triple Number Coastal/Long Distance Medium507.8
Triple Number Coastal/Long Distance High460.2
Triple Number Windward/Leeward Low829.4
Triple Number Windward/Leeward Medium621.6
Triple Number Windward/Leeward High554.3
Predominantly Upwind550.9
Predominantly Downwind517.0
Predominantly Reaching496.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9279
Triple Number Coastal/Long Distance Medium1.1816
Triple Number Coastal/Long Distance High1.3038
Triple Number Windward/Leeward Low0.7234
Triple Number Windward/Leeward Medium0.9653
Triple Number Windward/Leeward High1.0824
Coastal/Long Distance1.0809
Predominantly Upwind1.0891
Predominantly Downwind1.1606
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9279
Tretall Distanseseilas Mellomvind1.1816
Tretall Distanseseilas Mye vind1.3038
Tretall Pølsebane Lite vind0.7234
Tretall Pølsebane Mellomvind0.9653
Tretall Pølsebane Mye vind1.0824
Distanseseilas ett tall (OSN 8-16kn)1.0809
Distanseseilas ett tall (APH 6-20kn)1.1733
Enkeltall Motvind1.0891
Enkeltall Medvind1.1606
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Coastal/Long Distance555.11.0809
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind550.91.0891
Predominantly Downwind517.01.1606
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore540.71.1097
Cape Doctor Coastal450.11.3331
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9279
Triple Number Coastal/Long Distance Medium1.1816
Triple Number Coastal/Long Distance High1.3038
Triple Number Windward/Leeward Low0.7234
Triple Number Windward/Leeward Medium0.9653
Triple Number Windward/Leeward High1.0824
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9279
Triple Number Coastal/Long Distance Medium1.1816
Triple Number Coastal/Long Distance High1.3038
Triple Number Windward/Leeward Low0.7234
Triple Number Windward/Leeward Medium0.9653
Triple Number Windward/Leeward High1.0824
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Predominantly Upwind550.91.0891
Predominantly Downwind517.01.1606
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.11.0809
Triple Number Coastal/Long Distance Low646.60.9279
Triple Number Coastal/Long Distance Medium507.81.1816
Triple Number Coastal/Long Distance High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.2698.0586.6526.3495.4469.7427.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low646.60.9279
Triple Number All Purpose Medium507.81.1816
Triple Number All Purpose High460.21.3038
Triple Number Windward/Leeward Low829.40.7234
Triple Number Windward/Leeward Medium621.60.9653
Triple Number Windward/Leeward High554.31.0824
Predominantly Upwind550.91.0891
Predominantly Downwind517.01.1606
Predominantly Upwind Low716.10.8378
Predominantly Upwind Medium569.11.0543
Predominantly Upwind High534.21.1232
Predominantly Downwind Low707.30.8482
Predominantly Downwind Medium513.01.1697
Predominantly Downwind High438.41.3685
Chicago-Mac Upwind1.0709
Chicago-Mac All Purpose1.1022
Chicago-Mac Downwind1.1413
Bayview-Mac Cove Island1.0277
Bayview-Mac Shore1.0369
Harvest Moon Regatta448.51.3378
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy537.21.1169
San Francisco Bay Medium612.10.9803
Predominantly Reaching485.91.2348
Predominantly Reaching Low587.81.0208
Predominantly Reaching Medium480.61.2485
Predominantly Reaching High426.01.4084
Windward/Leeward 60-40 Low833.40.7200
Windward/Leeward 60-40 Medium639.90.9376
Windward/Leeward 60-40 High581.21.0323
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low904.80.6631
5-Band Low / Medium759.40.7901
5-Band Medium612.40.9798
5-Band Medium / High562.21.0673
5-Band High537.01.1173
ORC Ref  04560002L49Issued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WINDBORN

USA 51120

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 120Measurement20/04/2021HIN55Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.244Max. Beam3.674Draft2.165Displacement6,983Wetted area30.83IMS L11.243LSM011.135Acc. length11.941Sink (kg/mm) 23.39
VCGD0.014VCGM-0.060RM Rated (kg·m) 178.0Limit of positive stability(°) 117.0Stability Index120.6
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.436PBW0.107PIPA0.0035
PSD0.024PHD0.052PHL0.140
PSA16.5°ESL1.042
ST10.018ST20.082ST30.085
ST40.055ST50.219
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P14.192IG15.373ISP16.049MDT10.116MDL10.229MDT20.113MDL20.195TL2.405MW0.195GO0.204
E5.410J4.405BAS1.717FSD0.028SFJ0.000SPL0.000WPLTPS6.598BD0.165MWT153.31MCG4.779
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date20/04/2021MeasurerCommentCushions on board
SFFP0.914FFM1.216FF1.222LCFcl6.737SG1.0060
SAFP11.631FAM0.880FA0.889LCFsh6.983HBI1.076
W1121.9W2121.9W3121.9W4121.9LCFD5.266
PD1294.1PD2281.6PD3295.6PD4293.6
WD5.377PLM9000.00GSA1.0RSA1.0RM177.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3Fuel Alloy Stbd centerline0.9000102409.100.002Water PVC 2x port and stbd12005.800.001Waste PVC Stbd outboard6804.200.50Total deductible369.100.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery12V AGM engine, centerline208.800.001Battery2x 12V AGM house, centerline607.600.001EngineYanmar 3JH 2ETotal deductible0
ORC Ref  04560002L49Issued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WINDBORN

USA 51120

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment3Di Main0.161.122.033.494.4845.4123/04/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment3Di0.060.851.673.335.056.7314.89NoNo 50.0323/04/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-2318.8315.4817.1611.6211.19104%164.8925/11/2022A2 PH18.6415.3016.9711.4611.00104%160.7623/04/2021
ORC Ref  04560002L49Issued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org