International
Certificate
2023

Boat

T-BONE

USA 41870

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 Angles42.0°39.9°37.2°36.0°35.4°35.1°35.0°
Beat VMG3.874.635.105.305.415.495.56
52°5.826.667.047.227.327.387.46
60°6.086.827.177.367.487.567.66
75°6.226.907.267.527.717.838.00
90°6.076.857.267.567.828.048.36
110°5.646.737.297.688.018.288.69
120°5.496.617.237.668.068.439.18
135°4.966.136.917.397.818.249.25
150°4.185.316.276.957.397.788.61
Run VMG3.624.605.446.146.717.187.92
Gybe Angles144.2°148.7°152.0°158.6°171.2°177.2°178.1°

APH: 544.5

CDL: 9.431

GPH: 607.2

CertNo: 41817

BOAT
ClassJ 35DesignerJOHNSTONEBuilderTPIAge date07/1987Series date05/1983Offset fileJ35.offData fileUSA41847
HULL
Length Overall10.790 mMaximum Beam3.646 mDraft2.115 mDisplacement4,527 kgDLR6.5760IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.403m
CREW
Maximum weight748 kgMinimum weight561 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail32.3933.02Headsail Luffed50.6750.67Headsail FlyingSymmetric94.8894.88Asymmetric
STORM SAIL AREAS (m²)
Trysail9.46Storm Jib10.22Heavy Weather Jib27.59
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment116.7 kg·mStability Index109.7
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  04560002I6MIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

T-BONE

USA 41870

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 VMG929.9776.9706.1679.2665.1656.0648.0
52°618.6540.3511.1498.8492.1487.7482.3
60°592.2528.0502.4488.8481.5476.3470.0
75°578.8521.5495.8478.8467.2459.7450.1
90°593.3525.5495.9476.1460.2447.5430.5
110°638.5534.6493.6468.6449.6434.7414.2
120°655.6544.8498.2469.9446.6426.9392.3
135°725.2587.1520.9487.3460.8436.8389.0
150°861.2677.9574.0517.9487.2462.5418.1
Run VMG994.4782.8661.8586.1536.4501.6454.3
Selected Courses
Windward / Leeward962.2779.9684.0632.7600.7578.8551.1
All purpose743.8620.1560.5528.7508.3493.3470.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward658.30.9115
All purpose544.51.1020
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8298
Downwind "popa"0.9297
70% up, 30% down "Ilhabela"0.8575
30% up, 70% down "Ilhabela-inverso"0.8973
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Predominantly Upwind579.81.0349
Predominantly Downwind558.81.0737
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low682.00.8798
Triple Number All Purpose Medium541.81.1074
Triple Number All Purpose High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Predominantly Upwind579.81.0349
Predominantly Downwind558.81.0737
Predominantly Upwind Low737.50.8136
Predominantly Upwind Medium593.51.0110
Predominantly Upwind High560.21.0711
Predominantly Downwind Low761.30.7881
Predominantly Downwind Medium559.41.0726
Predominantly Downwind High468.81.2799
Chicago-Mac Upwind1.0192
Chicago-Mac All Purpose1.0346
Chicago-Mac Downwind1.0555
Bayview-Mac Cove Island0.9718
Bayview-Mac Shore0.9841
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching521.71.1500
Predominantly Reaching Low623.30.9626
Predominantly Reaching Medium518.81.1565
Predominantly Reaching High462.01.2988
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low948.10.6328
5-Band Low / Medium799.20.7508
5-Band Medium643.60.9323
5-Band Medium / High582.41.0303
5-Band High555.91.0793
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance589.4
Triple Number Coastal/Long Distance Low682.0
Triple Number Coastal/Long Distance Medium541.8
Triple Number Coastal/Long Distance High488.6
Triple Number Windward/Leeward Low871.1
Triple Number Windward/Leeward Medium654.0
Triple Number Windward/Leeward High573.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1074
Triple Number Coastal/Long Distance High1.2279
Triple Number Windward/Leeward Low0.6888
Triple Number Windward/Leeward Medium0.9174
Triple Number Windward/Leeward High1.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low682.0
Triple Number Coastal/Long Distance Medium541.8
Triple Number Coastal/Long Distance High488.6
Triple Number Windward/Leeward Low871.1
Triple Number Windward/Leeward Medium654.0
Triple Number Windward/Leeward High573.9
Predominantly Upwind579.8
Predominantly Downwind558.8
Predominantly Reaching535.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1074
Triple Number Coastal/Long Distance High1.2279
Triple Number Windward/Leeward Low0.6888
Triple Number Windward/Leeward Medium0.9174
Triple Number Windward/Leeward High1.0455
Coastal/Long Distance1.0179
Predominantly Upwind1.0349
Predominantly Downwind1.0737
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8798
Tretall Distanseseilas Mellomvind1.1074
Tretall Distanseseilas Mye vind1.2279
Tretall Pølsebane Lite vind0.6888
Tretall Pølsebane Mellomvind0.9174
Tretall Pølsebane Mye vind1.0455
Distanseseilas ett tall (OSN 8-16kn)1.0179
Distanseseilas ett tall (APH 6-20kn)1.1020
Enkeltall Motvind1.0349
Enkeltall Medvind1.0737
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Coastal/Long Distance589.41.0179
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind579.81.0349
Predominantly Downwind558.81.0737
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore559.41.0725
Cape Doctor Coastal477.61.2563
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1074
Triple Number Coastal/Long Distance High1.2279
Triple Number Windward/Leeward Low0.6888
Triple Number Windward/Leeward Medium0.9174
Triple Number Windward/Leeward High1.0455
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8798
Triple Number Coastal/Long Distance Medium1.1074
Triple Number Coastal/Long Distance High1.2279
Triple Number Windward/Leeward Low0.6888
Triple Number Windward/Leeward Medium0.9174
Triple Number Windward/Leeward High1.0455
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Predominantly Upwind579.81.0349
Predominantly Downwind558.81.0737
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.41.0179
Triple Number Coastal/Long Distance Low682.00.8798
Triple Number Coastal/Long Distance Medium541.81.1074
Triple Number Coastal/Long Distance High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance965.4737.7623.8560.8526.3498.5453.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low682.00.8798
Triple Number All Purpose Medium541.81.1074
Triple Number All Purpose High488.61.2279
Triple Number Windward/Leeward Low871.10.6888
Triple Number Windward/Leeward Medium654.00.9174
Triple Number Windward/Leeward High573.91.0455
Predominantly Upwind579.81.0349
Predominantly Downwind558.81.0737
Predominantly Upwind Low737.50.8136
Predominantly Upwind Medium593.51.0110
Predominantly Upwind High560.21.0711
Predominantly Downwind Low761.30.7881
Predominantly Downwind Medium559.41.0726
Predominantly Downwind High468.81.2799
Chicago-Mac Upwind1.0192
Chicago-Mac All Purpose1.0346
Chicago-Mac Downwind1.0555
Bayview-Mac Cove Island0.9718
Bayview-Mac Shore0.9841
Harvest Moon Regatta481.61.2458
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy562.81.0660
San Francisco Bay Medium646.20.9286
Predominantly Reaching521.71.1500
Predominantly Reaching Low623.30.9626
Predominantly Reaching Medium518.81.1565
Predominantly Reaching High462.01.2988
Windward/Leeward 60-40 Low867.50.6916
Windward/Leeward 60-40 Medium667.30.8992
Windward/Leeward 60-40 High601.60.9974
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low948.10.6328
5-Band Low / Medium799.20.7508
5-Band Medium643.60.9323
5-Band Medium / High582.41.0303
5-Band High555.91.0793
ORC Ref  04560002I6MIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

T-BONE

USA 41870

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 35Measurement05/05/2022HIN7Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.790Max. Beam3.646Draft2.115Displacement4,527Wetted area23.25IMS L9.196LSM08.829Acc. length10.820Sink (kg/mm) 17.26
VCGD-0.122VCGM-0.052RM Rated (kg·m) 116.7Limit of positive stability(°) 113.7Stability Index109.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.403PBW0.113PIPA0.0026
PSD0.025PHD0.046PHL0.150
PSA17.0°ESL0.775
ST10.022ST20.083ST30.083
ST40.037ST50.153
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P12.650IG14.208ISP14.284MDT10.116MDL10.180MDT20.095MDL20.132TL2.283MW0.129GO0.156
E4.270J4.450BAS1.452FSD0.034SFJ0.000SPL4.460WPLTPS0.000BD0.150MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date05/05/2022MeasurerComment
SFFP0.582FFM1.165FF1.175LCFcl6.139SG1.0070
SAFP10.519FAM0.858FA0.865LCFsh6.407HBI0.978
W186.2W286.2W386.2W486.2LCFD5.000
PD1252.4PD2253.5PD3252.7PD4249.0
WD4.341PLM9000.00GSA1.0RSA1.0RM117.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGaAlloy Tank Stbd SetteeFuel76705.950.00Total deductible595.950.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560002I6MIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

T-BONE

USA 41870

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.160.891.632.773.6332.3922/08/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1240100.080.891.733.445.206.9414.61NoNo 50.6722/08/2021155 genoa #1
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS214.1314.1314.138.068.0594.8822/08/2021
ORC Ref  04560002I6MIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org