Club
Certificate
Non Spinnaker
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°37.5°37.5°
Beat VMG3.604.394.935.165.295.365.42
52°5.526.527.037.267.377.457.54
60°5.836.757.207.447.587.687.80
75°6.026.887.337.647.898.058.26
90°5.886.827.327.698.028.318.74
110°5.206.297.057.537.968.389.25
120°4.846.006.857.377.818.269.25
135°4.215.376.316.987.447.868.77
150°3.544.615.526.256.857.277.98
Run VMG3.073.994.785.556.276.857.64
Gybe Angles144.4°146.0°146.9°169.4°171.2°173.0°174.8°

APH: 568.0

CDL: 9.380

GPH: 640.9

CertNo: US1535

BOAT
ClassJ 105 SDDesignerJOHNSTONEBuilderTPIAge date01/2002Series date07/1991Offset fileH204FSK.OFFData fileUSA 53591NS
HULL
Length Overall10.570 mMaximum Beam3.346 mDraft1.710 mDisplacement3,791 kgDLR4.6026IMS DivisionPerformanceDynamic Allowance0.090%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.62Heavy Weather Jib20.57
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  04560002QJ9Issued on 20/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1001.2819.9730.4697.2680.9671.4664.4
52°652.7551.8512.1496.1488.2483.0477.5
60°617.7533.4500.3483.6474.7468.5461.3
75°598.0523.1491.4471.2456.4447.2435.7
90°612.4528.2491.7468.4449.0433.3412.1
110°691.9572.7510.9478.3452.2429.5389.3
120°743.9599.6525.9488.6460.8435.8389.3
135°855.5670.6570.8515.5483.8457.8410.6
150°1017.1781.6652.3575.6525.4495.3451.1
Run VMG1174.4902.5753.2648.6574.1525.7471.0
Selected Courses
Windward / Leeward1087.8861.2741.8672.9627.5598.6567.7
All purpose823.3668.2589.8547.5519.9500.7474.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward704.50.8517
All purpose568.01.0564
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7977
Downwind "popa"0.8318
70% up, 30% down "Ilhabela"0.8076
30% up, 70% down "Ilhabela-inverso"0.8212
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Predominantly Upwind598.91.0019
Predominantly Downwind597.91.0036
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low745.70.8046
Triple Number All Purpose Medium564.81.0624
Triple Number All Purpose High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Predominantly Upwind598.91.0019
Predominantly Downwind597.91.0036
Predominantly Upwind Low795.50.7543
Predominantly Upwind Medium605.80.9905
Predominantly Upwind High565.71.0607
Predominantly Downwind Low864.20.6943
Predominantly Downwind Medium606.40.9895
Predominantly Downwind High485.81.2350
Chicago-Mac Upwind0.9846
Chicago-Mac All Purpose0.9821
Chicago-Mac Downwind0.9817
Bayview-Mac Cove Island0.9154
Bayview-Mac Shore0.9363
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching538.81.1135
Predominantly Reaching Low677.90.8851
Predominantly Reaching Medium538.11.1150
Predominantly Reaching High465.61.2886
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1070.40.5606
5-Band Low / Medium884.70.6782
5-Band Medium686.20.8744
5-Band Medium / High604.50.9925
5-Band High573.01.0470
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance622.3
Triple Number Coastal/Long Distance Low745.7
Triple Number Coastal/Long Distance Medium564.8
Triple Number Coastal/Long Distance High495.7
Triple Number Windward/Leeward Low974.5
Triple Number Windward/Leeward Medium700.2
Triple Number Windward/Leeward High594.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8046
Triple Number Coastal/Long Distance Medium1.0624
Triple Number Coastal/Long Distance High1.2104
Triple Number Windward/Leeward Low0.6157
Triple Number Windward/Leeward Medium0.8569
Triple Number Windward/Leeward High1.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low745.7
Triple Number Coastal/Long Distance Medium564.8
Triple Number Coastal/Long Distance High495.7
Triple Number Windward/Leeward Low974.5
Triple Number Windward/Leeward Medium700.2
Triple Number Windward/Leeward High594.2
Predominantly Upwind598.9
Predominantly Downwind597.9
Predominantly Reaching560.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8046
Triple Number Coastal/Long Distance Medium1.0624
Triple Number Coastal/Long Distance High1.2104
Triple Number Windward/Leeward Low0.6157
Triple Number Windward/Leeward Medium0.8569
Triple Number Windward/Leeward High1.0097
Coastal/Long Distance0.9642
Predominantly Upwind1.0019
Predominantly Downwind1.0036
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8046
Tretall Distanseseilas Mellomvind1.0624
Tretall Distanseseilas Mye vind1.2104
Tretall Pølsebane Lite vind0.6157
Tretall Pølsebane Mellomvind0.8569
Tretall Pølsebane Mye vind1.0097
Distanseseilas ett tall (OSN 8-16kn)0.9642
Distanseseilas ett tall (APH 6-20kn)1.0564
Enkeltall Motvind1.0019
Enkeltall Medvind1.0036
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Coastal/Long Distance622.30.9642
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind598.91.0019
Predominantly Downwind597.91.0036
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore577.01.0399
Cape Doctor Coastal482.41.2438
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8046
Triple Number Coastal/Long Distance Medium1.0624
Triple Number Coastal/Long Distance High1.2104
Triple Number Windward/Leeward Low0.6157
Triple Number Windward/Leeward Medium0.8569
Triple Number Windward/Leeward High1.0097
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8046
Triple Number Coastal/Long Distance Medium1.0624
Triple Number Coastal/Long Distance High1.2104
Triple Number Windward/Leeward Low0.6157
Triple Number Windward/Leeward Medium0.8569
Triple Number Windward/Leeward High1.0097
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Predominantly Upwind598.91.0019
Predominantly Downwind597.91.0036
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.30.9642
Triple Number Coastal/Long Distance Low745.70.8046
Triple Number Coastal/Long Distance Medium564.81.0624
Triple Number Coastal/Long Distance High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1096.5811.1667.5585.5540.6507.0453.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low745.70.8046
Triple Number All Purpose Medium564.81.0624
Triple Number All Purpose High495.71.2104
Triple Number Windward/Leeward Low974.50.6157
Triple Number Windward/Leeward Medium700.20.8569
Triple Number Windward/Leeward High594.21.0097
Predominantly Upwind598.91.0019
Predominantly Downwind597.91.0036
Predominantly Upwind Low795.50.7543
Predominantly Upwind Medium605.80.9905
Predominantly Upwind High565.71.0607
Predominantly Downwind Low864.20.6943
Predominantly Downwind Medium606.40.9895
Predominantly Downwind High485.81.2350
Chicago-Mac Upwind0.9846
Chicago-Mac All Purpose0.9821
Chicago-Mac Downwind0.9817
Bayview-Mac Cove Island0.9154
Bayview-Mac Shore0.9363
Harvest Moon Regatta493.21.2167
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy583.71.0280
San Francisco Bay Medium690.90.8684
Predominantly Reaching538.81.1135
Predominantly Reaching Low677.90.8851
Predominantly Reaching Medium538.11.1150
Predominantly Reaching High465.61.2886
Windward/Leeward 60-40 Low961.70.6239
Windward/Leeward 60-40 Medium705.10.8509
Windward/Leeward 60-40 High620.40.9671
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1070.40.5606
5-Band Low / Medium884.70.6782
5-Band Medium686.20.8744
5-Band Medium / High604.50.9925
5-Band High573.01.0470
ORC Ref  04560002QJ9Issued on 20/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L9.586LSM09.373Acc. 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  04560002QJ9Issued on 20/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  04560002QJ9Issued on 20/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org