Club
Certificate
2023

Boat

OSTINATO

USA 53591

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 Angles43.6°41.8°39.4°38.1°37.6°37.2°37.3°
Beat VMG3.594.394.935.165.295.365.42
52°5.516.527.037.267.377.457.54
60°5.826.747.197.447.587.687.80
75°6.016.887.327.647.888.058.26
90°5.876.867.327.688.018.308.73
110°5.927.047.628.078.428.719.29
120°5.786.957.598.138.649.1510.05
135°5.136.457.287.858.439.0710.98
150°4.345.516.527.247.658.049.34
Run VMG3.764.775.656.276.627.028.09
Gybe Angles143.5°147.4°147.8°150.5°148.7°173.9°141.2°

APH: 538.7

CDL: 9.380

GPH: 603.5

CertNo: US1535

BOAT
ClassJ 105 SDDesignerJOHNSTONEBuilderTPIAge date01/2002Series date07/1991Offset fileH204FSK.OFFData fileUSA 53591
HULL
Length Overall10.570 mMaximum Beam3.346 mDraft1.710 mDisplacement3,791 kgDLR4.6026IMS DivisionPerformanceDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight628 kgMinimum weight471 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail33.6334.33Headsail Luffed36.7836.78Headsail FlyingSymmetricAsymmetric115.05115.05 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.62Heavy Weather Jib20.57
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  03330002QJJIssued on 20/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OSTINATO

USA 53591

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 VMG1002.0820.6730.7697.3680.9671.3664.2
52°653.2552.2512.3496.2488.2483.0477.5
60°618.2533.8500.5483.7474.8468.5461.4
75°598.5523.4491.7471.5456.6447.3435.8
90°612.9524.9491.5468.7449.3433.6412.3
110°607.8511.6472.6446.0427.8413.5387.6
120°622.6517.8474.4442.8416.6393.3358.3
135°701.7558.2494.5458.7427.0396.9328.0
150°829.8653.6552.2497.4470.6447.9385.2
Run VMG958.2754.7637.6574.1543.4512.5444.8
Selected Courses
Windward / Leeward980.1787.6684.2635.7612.1591.9554.5
All purpose753.6619.4554.5521.6501.7485.8456.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward664.70.9027
All purpose538.71.1138
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7974
Downwind "popa"0.9491
70% up, 30% down "Ilhabela"0.8376
30% up, 70% down "Ilhabela-inverso"0.8979
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Predominantly Upwind582.71.0296
Predominantly Downwind545.61.0996
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low686.50.8740
Triple Number All Purpose Medium535.71.1200
Triple Number All Purpose High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Predominantly Upwind582.71.0296
Predominantly Downwind545.61.0996
Predominantly Upwind Low764.30.7851
Predominantly Upwind Medium601.80.9970
Predominantly Upwind High562.91.0658
Predominantly Downwind Low749.70.8004
Predominantly Downwind Medium542.91.1052
Predominantly Downwind High453.31.3235
Chicago-Mac Upwind1.0124
Chicago-Mac All Purpose1.0434
Chicago-Mac Downwind1.0815
Bayview-Mac Cove Island0.9717
Bayview-Mac Shore0.9804
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching511.71.1726
Predominantly Reaching Low622.70.9635
Predominantly Reaching Medium507.31.1828
Predominantly Reaching High441.71.3585
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low965.30.6216
5-Band Low / Medium807.80.7427
5-Band Medium648.80.9248
5-Band Medium / High592.71.0123
5-Band High561.01.0696
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance585.8
Triple Number Coastal/Long Distance Low686.5
Triple Number Coastal/Long Distance Medium535.7
Triple Number Coastal/Long Distance High478.7
Triple Number Windward/Leeward Low883.9
Triple Number Windward/Leeward Medium658.6
Triple Number Windward/Leeward High582.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1200
Triple Number Coastal/Long Distance High1.2535
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.9110
Triple Number Windward/Leeward High1.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low686.5
Triple Number Coastal/Long Distance Medium535.7
Triple Number Coastal/Long Distance High478.7
Triple Number Windward/Leeward Low883.9
Triple Number Windward/Leeward Medium658.6
Triple Number Windward/Leeward High582.9
Predominantly Upwind582.7
Predominantly Downwind545.6
Predominantly Reaching523.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1200
Triple Number Coastal/Long Distance High1.2535
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.9110
Triple Number Windward/Leeward High1.0293
Coastal/Long Distance1.0242
Predominantly Upwind1.0296
Predominantly Downwind1.0996
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8740
Tretall Distanseseilas Mellomvind1.1200
Tretall Distanseseilas Mye vind1.2535
Tretall Pølsebane Lite vind0.6788
Tretall Pølsebane Mellomvind0.9110
Tretall Pølsebane Mye vind1.0293
Distanseseilas ett tall (OSN 8-16kn)1.0242
Distanseseilas ett tall (APH 6-20kn)1.1138
Enkeltall Motvind1.0296
Enkeltall Medvind1.0996
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Coastal/Long Distance585.81.0242
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind582.71.0296
Predominantly Downwind545.61.0996
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore565.71.0606
Cape Doctor Coastal465.11.2901
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1200
Triple Number Coastal/Long Distance High1.2535
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.9110
Triple Number Windward/Leeward High1.0293
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8740
Triple Number Coastal/Long Distance Medium1.1200
Triple Number Coastal/Long Distance High1.2535
Triple Number Windward/Leeward Low0.6788
Triple Number Windward/Leeward Medium0.9110
Triple Number Windward/Leeward High1.0293
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Predominantly Upwind582.71.0296
Predominantly Downwind545.61.0996
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.81.0242
Triple Number Coastal/Long Distance Low686.50.8740
Triple Number Coastal/Long Distance Medium535.71.1200
Triple Number Coastal/Long Distance High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance977.9741.6620.7555.8520.9490.1436.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low686.50.8740
Triple Number All Purpose Medium535.71.1200
Triple Number All Purpose High478.71.2535
Triple Number Windward/Leeward Low883.90.6788
Triple Number Windward/Leeward Medium658.60.9110
Triple Number Windward/Leeward High582.91.0293
Predominantly Upwind582.71.0296
Predominantly Downwind545.61.0996
Predominantly Upwind Low764.30.7851
Predominantly Upwind Medium601.80.9970
Predominantly Upwind High562.91.0658
Predominantly Downwind Low749.70.8004
Predominantly Downwind Medium542.91.1052
Predominantly Downwind High453.31.3235
Chicago-Mac Upwind1.0124
Chicago-Mac All Purpose1.0434
Chicago-Mac Downwind1.0815
Bayview-Mac Cove Island0.9717
Bayview-Mac Shore0.9804
Harvest Moon Regatta467.11.2846
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy563.61.0646
San Francisco Bay Medium647.90.9261
Predominantly Reaching511.71.1726
Predominantly Reaching Low622.70.9635
Predominantly Reaching Medium507.31.1828
Predominantly Reaching High441.71.3585
Windward/Leeward 60-40 Low889.30.6747
Windward/Leeward 60-40 Medium677.70.8854
Windward/Leeward 60-40 High612.90.9789
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low965.30.6216
5-Band Low / Medium807.80.7427
5-Band Medium648.80.9248
5-Band Medium / High592.71.0123
5-Band High561.01.0696
ORC Ref  03330002QJJIssued on 20/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OSTINATO

USA 53591

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105 SDMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.346Draft1.710Displacement3,791Wetted area22.51IMS L9.589LSM09.373Acc. length10.570Sink (kg/mm) 16.77
VCGD-0.080VCGM-0.089RM Rated (kg·m) 95.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.098PIPA0.0031
PSD0.025PHD0.049PHL0.138
PSA16.5°ESL0.915
ST10.019ST20.092ST30.092
ST40.046ST50.186
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.650IG12.223ISP12.604MDT10.101MDL10.165MDT20.101MDL20.101TL1.899MW0.165GO0.205
E4.450J4.131BAS1.552FSD0.029SFJ0.000SPL0.000WPLTPS5.820BD0.129MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered95.0Flotation Date01/06/2023MeasurerComment
SFFP0.966FFMFF1.102LCFcl5.842SG
SAFP10.056FAMFA0.769LCFsh6.082HBI0.923
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330002QJJIssued on 20/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OSTINATO

USA 53591

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.130.931.682.893.7633.6317/04/2023OSTM1
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.050.731.453.004.596.1712.10NoNo 36.7817/04/2023d52591G20.060.731.483.014.575.8011.87NoNo 35.4101/07/2023Jib0.080.551.072.143.254.1412.08YesNo 25.7601/07/2023Jib0.070.551.042.023.064.1912.15YesNo 25.09
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentSpi14.9713.0814.039.7710.1496%115.0511/07/2023
ORC Ref  03330002QJJIssued on 20/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org