Club
Certificate
2023

Boat

BLACKHAWK

USA 32478

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 Angles42.1°39.6°37.2°36.0°35.4°35.1°35.1°
Beat VMG3.924.685.105.285.395.465.52
52°5.896.707.057.217.307.377.45
60°6.156.857.187.367.477.557.64
75°6.296.947.297.547.717.837.99
90°6.156.897.297.607.868.078.36
110°5.676.767.317.708.038.308.72
120°5.536.647.257.698.108.489.24
135°5.006.186.947.427.868.309.39
150°4.205.346.306.987.427.838.70
Run VMG3.644.625.476.176.747.207.97
Gybe Angles144.2°148.7°152.0°158.6°170.9°177.2°178.4°

APH: 543.0

CDL: 9.369

GPH: 604.8

CertNo: US7208

BOAT
ClassJ 35DesignerJOHNSTONEBuilderTPIAge date06/1988Series date05/1983Offset fileJ35.offData fileUS7208
HULL
Length Overall10.820 mMaximum Beam3.646 mDraft2.102 mDisplacement4,300 kgDLR6.5632IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.000m
CREW
Maximum weight689 kgMinimum weight517 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail32.4233.06Headsail Luffed52.5652.56Headsail FlyingSymmetric95.7795.77Asymmetric
STORM SAIL AREAS (m²)
Trysail9.45Storm Jib10.10Heavy Weather Jib27.26
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  04560002PD3Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

BLACKHAWK

USA 32478

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 VMG918.2769.8706.4681.4668.0659.0652.0
52°611.1537.2510.4499.4493.0488.7483.4
60°585.6525.3501.1489.0481.9477.1470.9
75°572.4518.8494.0477.6467.1459.8450.8
90°585.6522.3493.6473.9458.3446.1430.4
110°634.9532.9492.4467.3448.2433.8412.7
120°651.3542.2496.5467.8444.5424.6389.6
135°719.4582.9518.8485.1458.0433.6383.5
150°856.2674.2571.1515.7485.0459.8413.8
Run VMG988.6778.5658.4583.3534.4499.9451.7
Selected Courses
Windward / Leeward953.4774.1682.4632.3601.2579.4551.8
All purpose736.8616.1559.0528.0507.9493.0470.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward657.00.9132
All purpose543.01.1049
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8309
Downwind "popa"0.9344
70% up, 30% down "Ilhabela"0.8595
30% up, 70% down "Ilhabela-inverso"0.9008
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Predominantly Upwind578.51.0371
Predominantly Downwind556.31.0787
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low676.40.8870
Triple Number All Purpose Medium540.61.1098
Triple Number All Purpose High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Predominantly Upwind578.51.0371
Predominantly Downwind556.31.0787
Predominantly Upwind Low730.30.8216
Predominantly Upwind Medium593.41.0112
Predominantly Upwind High561.81.0680
Predominantly Downwind Low755.70.7939
Predominantly Downwind Medium556.91.0773
Predominantly Downwind High466.51.2862
Chicago-Mac Upwind1.0214
Chicago-Mac All Purpose1.0381
Chicago-Mac Downwind1.0602
Bayview-Mac Cove Island0.9772
Bayview-Mac Shore0.9891
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching519.61.1546
Predominantly Reaching Low618.00.9709
Predominantly Reaching Medium516.81.1609
Predominantly Reaching High460.51.3030
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low939.60.6386
5-Band Low / Medium793.80.7558
5-Band Medium642.80.9334
5-Band Medium / High582.91.0293
5-Band High556.61.0780
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance587.7
Triple Number Coastal/Long Distance Low676.4
Triple Number Coastal/Long Distance Medium540.6
Triple Number Coastal/Long Distance High488.2
Triple Number Windward/Leeward Low863.8
Triple Number Windward/Leeward Medium653.1
Triple Number Windward/Leeward High574.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1098
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9187
Triple Number Windward/Leeward High1.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low676.4
Triple Number Coastal/Long Distance Medium540.6
Triple Number Coastal/Long Distance High488.2
Triple Number Windward/Leeward Low863.8
Triple Number Windward/Leeward Medium653.1
Triple Number Windward/Leeward High574.5
Predominantly Upwind578.5
Predominantly Downwind556.3
Predominantly Reaching532.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1098
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9187
Triple Number Windward/Leeward High1.0444
Coastal/Long Distance1.0209
Predominantly Upwind1.0371
Predominantly Downwind1.0787
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8870
Tretall Distanseseilas Mellomvind1.1098
Tretall Distanseseilas Mye vind1.2289
Tretall Pølsebane Lite vind0.6946
Tretall Pølsebane Mellomvind0.9187
Tretall Pølsebane Mye vind1.0444
Distanseseilas ett tall (OSN 8-16kn)1.0209
Distanseseilas ett tall (APH 6-20kn)1.1049
Enkeltall Motvind1.0371
Enkeltall Medvind1.0787
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Coastal/Long Distance587.71.0209
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind578.51.0371
Predominantly Downwind556.31.0787
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore560.11.0712
Cape Doctor Coastal477.11.2575
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1098
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9187
Triple Number Windward/Leeward High1.0444
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1098
Triple Number Coastal/Long Distance High1.2289
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9187
Triple Number Windward/Leeward High1.0444
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Predominantly Upwind578.51.0371
Predominantly Downwind556.31.0787
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium540.61.1098
Triple Number Coastal/Long Distance High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance956.9732.5622.2560.2525.9498.0453.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low676.40.8870
Triple Number All Purpose Medium540.61.1098
Triple Number All Purpose High488.21.2289
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium653.10.9187
Triple Number Windward/Leeward High574.51.0444
Predominantly Upwind578.51.0371
Predominantly Downwind556.31.0787
Predominantly Upwind Low730.30.8216
Predominantly Upwind Medium593.41.0112
Predominantly Upwind High561.81.0680
Predominantly Downwind Low755.70.7939
Predominantly Downwind Medium556.91.0773
Predominantly Downwind High466.51.2862
Chicago-Mac Upwind1.0214
Chicago-Mac All Purpose1.0381
Chicago-Mac Downwind1.0602
Bayview-Mac Cove Island0.9772
Bayview-Mac Shore0.9891
Harvest Moon Regatta479.61.2511
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy563.11.0655
San Francisco Bay Medium644.60.9308
Predominantly Reaching519.61.1546
Predominantly Reaching Low618.00.9709
Predominantly Reaching Medium516.81.1609
Predominantly Reaching High460.51.3030
Windward/Leeward 60-40 Low859.80.6978
Windward/Leeward 60-40 Medium666.90.8996
Windward/Leeward 60-40 High603.10.9948
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low939.60.6386
5-Band Low / Medium793.80.7558
5-Band Medium642.80.9334
5-Band Medium / High582.91.0293
5-Band High556.61.0780
ORC Ref  04560002PD3Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

BLACKHAWK

USA 32478

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 35Measurement13/04/1990HIN215Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.820Max. Beam3.646Draft2.102Displacement4,300Wetted area22.79IMS L9.133LSM08.684Acc. length10.820Sink (kg/mm) 16.94
VCGD-0.185VCGM-0.101RM Rated (kg·m) 115.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.000PBW0.000PIPA0.0026
PSD0.025PHD0.043PHL0.153
PSA18.0°ESL0.802
ST10.025ST20.083ST30.083
ST40.037ST50.000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P12.650IG14.143ISP14.143MDT10.116MDL10.180MDT20.098MDL20.132TL1.771MW0.132GO0.153
E4.268J4.481BAS1.485FSD0.015SFJ0.000SPL4.571WPLTPS0.000BD0.153MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.182Flotation Date18/05/1988MeasurerComment
SFFP0.582FFMFF1.192LCFcl6.135SG1.0000
SAFP10.519FAMFA0.876LCFsh6.403HBI0.992
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560002PD3Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

BLACKHAWK

USA 32478

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment8394320.150.931.622.783.6232.4218315030.150.901.622.773.6232.34Nordic main
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment8394306.930.00NoNo 52.5618313560.080.881.723.435.186.9414.64NoNo 50.64155 genoa #1
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment83942814.0614.0614.067.9695.77
ORC Ref  04560002PD3Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org