Club
Certificate
2024

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 24 kt
Beat Angles42.1°39.7°37.2°36.1°35.7°35.2°35.0°35.5°
Beat VMG3.914.675.115.295.395.465.535.51
52°5.886.707.067.227.307.377.467.48
60°6.136.857.187.377.477.547.667.71
75°6.286.937.287.537.717.828.028.14
90°6.146.897.297.597.858.068.368.62
110°5.666.757.317.708.028.298.708.96
120°5.526.637.247.688.098.479.209.86
135°4.996.166.937.417.848.279.3211.33
150°4.195.326.286.977.407.808.659.86
Run VMG3.634.615.456.156.717.187.938.72
Gybe Angles139.9°148.5°151.6°158.1°170.0°177.2°178.1°176.2°
APH ToD:543.5CDL: 9.407APH ToT: 1.1039CertNo:US7208
BOAT
ClassJ 35DesignerJOHNSTONEBuilderTPIAge date06/1988Series date05/1983Offset fileJ35.offData fileUS7208
HULL
Length Overall10.820 mMaximum Beam3.646 mDraft2.104 mDisplacement4,358 kgDLR6.4986IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.000m
CREW
Maximum weight689 kg(declared)Minimum weight559 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.

Club
Certificate
2024

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 24 kt
Beat VMG920.2770.7705.1680.3667.5659.3650.8653.4
52°612.5537.5510.1498.9493.1488.7482.9481.2
60°586.8525.6501.1488.6482.0477.3469.9467.2
75°573.4519.1494.2477.9467.2460.4449.0442.0
90°586.6522.6493.8474.1458.7446.7430.6417.7
110°635.7533.3492.6467.4448.7434.2413.6401.6
120°652.5542.9497.0468.5445.1425.1391.3365.2
135°721.0584.3519.5485.9459.2435.1386.1317.7
150°859.0676.7572.9516.9486.2461.3416.3365.2
Run VMG991.9781.4660.8585.4536.4501.5453.9412.6
Selected Courses
Windward / Leeward956.0776.0683.0632.8601.9580.4552.4533.0
All purpose738.4617.1559.3528.2508.4493.7470.8451.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward657.90.9120
All purpose543.51.1039
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8311
Downwind "popa"0.9310
70% up, 30% down "Ilhabela"0.8587
30% up, 70% down "Ilhabela-inverso"0.8986
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Predominantly Upwind578.81.0367
Predominantly Downwind557.41.0764
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low677.80.8853
Triple Number AP Medium541.11.1089
Triple Number AP High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Single Number Predominant Upwind577.11.0396
Single Number Predominant Reaching523.91.1453
Single Number Predominant Downwind558.51.0743
Predominant Upwind - Low723.30.8296
Predominant Upwind - Low/Med622.10.9644
Predominant Upwind - Medium564.31.0633
Predominant Upwind - Med/High533.51.1246
Predominant Upwind - High516.51.1617
Predominant Downwind Low758.90.7906
Predominant Downwind Low/Med626.30.9581
Predominant Downwind Medium540.41.1104
Predominant Downwind Med/High484.01.2397
Predominant Downwind High445.81.3458
Predominant Reaching Low664.20.9034
Predominant Reaching Low/Med570.11.0524
Predominant Reaching Medium511.91.1721
Predominant Reaching Med/High473.71.2667
Predominant Reaching High446.71.3433
SA/DSPL Upwind31.69SA/DSPL Downwind47.81
Scoring OptionTODTOT
5-Band Windward/Leeward Low915.20.6556
5-Band Windward/Leeward Low/Med748.60.8015
5-Band Windward/Leeward Medium643.50.9324
5-Band Windward/Leeward Med/High583.71.0279
5-Band Windward/Leeward High553.91.0833
Windward/Leeward 60-40 Low909.40.6598
Windward/Leeward 60-40 Low/Med750.10.7999
Windward/Leeward 60-40 Medium652.40.9197
Windward/Leeward 60-40 Med/High599.21.0014
Windward/Leeward 60-40 High573.61.0459
5-Band AP Low710.90.8440
5-Band AP Low/Med601.50.9976
5-Band AP Medium534.51.1224
5-Band AP Med/High495.21.2116
5-Band AP High471.31.2730
5-Band SF Bay Tour - Low866.20.6927
5-Band SF Bay Tour - Low/Med714.50.8397
5-Band SF Bay Tour - Medium621.80.9650
5-Band SF Bay Tour - Med/High570.01.0526
5-Band SF Bay Tour - High541.71.1076
Chicago-Mac Upwind1.0211
Chicago-Mac All Purpose1.0370
Chicago-Mac Downwind1.0581
Bayview-Mac Cove Island0.9758
Bayview-Mac Shore0.9879
Harvest Moon Regatta480.31.2491
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance588.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8853
Triple Number Coastal/Long Distance Medium1.1090
Triple Number Coastal/Long Distance High1.2276
Triple Number Windward/Leeward Low0.6928
Triple Number Windward/Leeward Medium0.9178
Triple Number Windward/Leeward High1.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low677.7
Triple Number Coastal/Long Distance Medium541.0
Triple Number Coastal/Long Distance High488.8
Triple Number Windward/Leeward Low866.1
Triple Number Windward/Leeward Medium653.7
Triple Number Windward/Leeward High575.3
Predominantly Upwind578.8
Predominantly Downwind557.4
Predominantly Reaching533.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8853
Triple Number Coastal/Long Distance Medium1.1090
Triple Number Coastal/Long Distance High1.2276
Triple Number Windward/Leeward Low0.6928
Triple Number Windward/Leeward Medium0.9178
Triple Number Windward/Leeward High1.0430
Coastal/Long Distance1.0197
Predominantly Upwind1.0367
Predominantly Downwind1.0764
For information
General Purpose Handicap (GPH)605.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8853
Tretall Distanseseilas Mellomvind1.1090
Tretall Distanseseilas Mye vind1.2276
Tretall Pølsebane Lite vind0.6928
Tretall Pølsebane Mellomvind0.9178
Tretall Pølsebane Mye vind1.0430
Distanseseilas ett tall1.1039
Enkeltall Motvind1.0367
Enkeltall Medvind1.0764
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Coastal/Long Distance588.41.0197
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind578.81.0367
Predominantly Downwind557.41.0764
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore538.81.1135
Cape Doctor Coastal456.91.3131
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8853
Triple Number Coastal/Long Distance Medium1.1090
Triple Number Coastal/Long Distance High1.2276
Triple Number Windward/Leeward Low0.6928
Triple Number Windward/Leeward Medium0.9178
Triple Number Windward/Leeward High1.0430
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8853
Triple Number Coastal/Long Distance Medium1.1090
Triple Number Coastal/Long Distance High1.2276
Triple Number Windward/Leeward Low0.6928
Triple Number Windward/Leeward Medium0.9178
Triple Number Windward/Leeward High1.0430
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Predominantly Upwind578.81.0367
Predominantly Downwind557.41.0764
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.41.0197
Triple Number Coastal/Long Distance Low677.70.8853
Triple Number Coastal/Long Distance Medium541.01.1090
Triple Number Coastal/Long Distance High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance959.6734.2622.7560.4526.4498.7453.5434.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low677.80.8853
Triple Number AP Medium541.11.1089
Triple Number AP High488.81.2276
Triple Number Windward/Leeward Low866.10.6928
Triple Number Windward/Leeward Medium653.70.9178
Triple Number Windward/Leeward High575.31.0430
Single Number Predominant Upwind577.11.0396
Single Number Predominant Reaching523.91.1453
Single Number Predominant Downwind558.51.0743
Predominant Upwind - Low723.30.8296
Predominant Upwind - Low/Med622.10.9644
Predominant Upwind - Medium564.31.0633
Predominant Upwind - Med/High533.51.1246
Predominant Upwind - High516.51.1617
Predominant Downwind Low758.90.7906
Predominant Downwind Low/Med626.30.9581
Predominant Downwind Medium540.41.1104
Predominant Downwind Med/High484.01.2397
Predominant Downwind High445.81.3458
Predominant Reaching Low664.20.9034
Predominant Reaching Low/Med570.11.0524
Predominant Reaching Medium511.91.1721
Predominant Reaching Med/High473.71.2667
Predominant Reaching High446.71.3433
SA/DSPL Upwind31.69SA/DSPL Downwind47.81
Scoring OptionTODTOT
5-Band Windward/Leeward Low915.20.6556
5-Band Windward/Leeward Low/Med748.60.8015
5-Band Windward/Leeward Medium643.50.9324
5-Band Windward/Leeward Med/High583.71.0279
5-Band Windward/Leeward High553.91.0833
Windward/Leeward 60-40 Low909.40.6598
Windward/Leeward 60-40 Low/Med750.10.7999
Windward/Leeward 60-40 Medium652.40.9197
Windward/Leeward 60-40 Med/High599.21.0014
Windward/Leeward 60-40 High573.61.0459
5-Band AP Low710.90.8440
5-Band AP Low/Med601.50.9976
5-Band AP Medium534.51.1224
5-Band AP Med/High495.21.2116
5-Band AP High471.31.2730
5-Band SF Bay Tour - Low866.20.6927
5-Band SF Bay Tour - Low/Med714.50.8397
5-Band SF Bay Tour - Medium621.80.9650
5-Band SF Bay Tour - Med/High570.01.0526
5-Band SF Bay Tour - High541.71.1076
Chicago-Mac Upwind1.0211
Chicago-Mac All Purpose1.0370
Chicago-Mac Downwind1.0581
Bayview-Mac Cove Island0.9758
Bayview-Mac Shore0.9879
Harvest Moon Regatta480.31.2491

Club
Certificate
2024

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 35MeasurementHIN215Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.820Max. Beam3.646Draft2.104Displacement4,358Wetted area22.85IMS L9.178LSM08.752Acc. length10.820Sink (kg/mm) 16.99
VCGD-0.201VCGM-0.121RM Rated (kg·m) 118.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight569Declared crew weight689
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 FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays1Spreaders2Rotating mastNo
P12.650IG14.143ISP14.143MDT10.116MDL10.180MDT20.098MDL20.132TL1.771MW0.132GO0.153
E4.268J4.481BAS1.485FSD0.036SFJ0.000SPL4.571WPLTPS0.000BD0.153MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered118.0Flotation Date15/03/2018
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
0.000.00
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
Total deductible

Club
Certificate
2024

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