International
Certificate
Double Handed
2022

Boat

White Knuckles

SWE 6501

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.2°41.2°40.6°39.6°39.4°38.7°39.4°
Beat VMG3.794.504.955.155.245.335.40
52°5.876.757.227.417.517.537.68
60°6.317.137.447.647.747.807.93
75°6.787.487.777.928.098.228.36
90°6.917.617.978.288.488.668.98
110°6.447.357.818.208.578.999.67
120°5.937.167.778.248.749.109.70
135°5.346.637.477.968.489.0610.40
150°4.495.636.717.497.958.449.62
Run VMG3.894.885.816.607.207.708.61
Gybe Angles140.8°146.9°149.3°157.0°168.2°177.2°175.4°

APH: 523.7

CDL: 9.778

GPH: 582.9

CertNo: 6501

BOAT
ClassPrima 38DesignerJones StephenBuilderSea Quest YachtsAge date05/1998Series date01/1998Offset filePRIMA38.OFFData fileSWE6501 Prima38 WhiteKnuckles
HULL
Length Overall11.615 mMaximum Beam3.822 mDraft2.445 mDisplacement6,284 kgDLR5.5726IMS DivisionCruiser/RacerDynamic Allowance0.003%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight165 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.4650.43Headsail Luffed37.8537.85Headsail Flying71.3571.35Symmetric115.39115.39Asymmetric100.14100.14 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.72Storm Jib11.80Heavy Weather Jib31.85
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment146.3 kg·mStability Index134.1
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  032000025A7Issued on 15/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
Double Handed
2022

Boat

White Knuckles

SWE 6501

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG950.5800.0727.4699.3687.2675.9666.8
52°612.8533.3498.5485.5479.5477.8468.8
60°570.1505.0484.0471.2465.1461.6454.2
75°530.6481.2463.6454.3445.0437.8430.7
90°520.8473.3451.7434.6424.6415.7401.1
110°559.1489.9460.7439.1419.9400.3372.3
120°607.1502.7463.6437.0412.0395.6371.0
135°674.2542.9481.8452.2424.7397.5346.3
150°802.4639.5536.3480.9452.7426.3374.2
Run VMG926.6738.4619.3545.4500.2467.7418.2
Selected Courses
Windward / Leeward938.5769.2673.3622.3593.7571.8542.5
All purpose708.0595.9539.1509.0490.4475.1451.0
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward648.30.9255
All purpose523.71.1458
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8066
Downwind "popa"0.9963
70% up, 30% down "Ilhabela"0.8554
30% up, 70% down "Ilhabela-inverso"0.9306
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Predominantly Upwind568.81.0548
Predominantly Downwind526.71.1391
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low652.00.9203
Triple Number All Purpose Medium521.61.1502
Triple Number All Purpose High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Predominantly Upwind568.81.0548
Predominantly Downwind526.71.1391
Predominantly Upwind Low729.20.8229
Predominantly Upwind Medium591.91.0137
Predominantly Upwind High559.31.0727
Predominantly Downwind Low719.90.8335
Predominantly Downwind Medium522.51.1483
Predominantly Downwind High434.91.3795
Chicago-Mac Upwind1.0380
Chicago-Mac All Purpose1.0763
Chicago-Mac Downwind1.1203
Bayview-Mac Cove Island1.0125
Bayview-Mac Shore1.0173
Victoria-Maui1.2048
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance572.0
Triple Number Coastal/Long Distance Low652.0
Triple Number Coastal/Long Distance Medium521.6
Triple Number Coastal/Long Distance High469.9
Triple Number Windward/Leeward Low853.8
Triple Number Windward/Leeward Medium644.4
Triple Number Windward/Leeward High566.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2769
Triple Number Windward/Leeward Low0.7027
Triple Number Windward/Leeward Medium0.9311
Triple Number Windward/Leeward High1.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low652.0
Triple Number Coastal/Long Distance Medium521.6
Triple Number Coastal/Long Distance High469.9
Triple Number Windward/Leeward Low853.8
Triple Number Windward/Leeward Medium644.4
Triple Number Windward/Leeward High566.3
Predominantly Upwind568.8
Predominantly Downwind526.7
Predominantly Reaching502.9
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2769
Triple Number Windward/Leeward Low0.7027
Triple Number Windward/Leeward Medium0.9311
Triple Number Windward/Leeward High1.0595
Coastal/Long Distance1.0490
Predominantly Upwind1.0548
Predominantly Downwind1.1391
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0490
Tretall Distanseseilas Lite vind0.9203
Tretall Distanseseilas Mellomvind1.1502
Tretall Distanseseilas Mye vind1.2769
Tretall Pølsebane Lite vind0.7027
Tretall Pølsebane Mellomvind0.9311
Tretall Pølsebane Mye vind1.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Coastal/Long Distance572.01.0490
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind568.81.0548
Predominantly Downwind526.71.1391
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore551.31.0883
Cape Doctor Coastal458.21.3094
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2769
Triple Number Windward/Leeward Low0.7027
Triple Number Windward/Leeward Medium0.9311
Triple Number Windward/Leeward High1.0595
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2769
Triple Number Windward/Leeward Low0.7027
Triple Number Windward/Leeward Medium0.9311
Triple Number Windward/Leeward High1.0595
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Predominantly Upwind568.81.0548
Predominantly Downwind526.71.1391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance572.01.0490
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.3721.4607.2543.4508.8479.7432.5
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low652.00.9203
Triple Number All Purpose Medium521.61.1502
Triple Number All Purpose High469.91.2769
Triple Number Windward/Leeward Low853.80.7027
Triple Number Windward/Leeward Medium644.40.9311
Triple Number Windward/Leeward High566.31.0595
Predominantly Upwind568.81.0548
Predominantly Downwind526.71.1391
Predominantly Upwind Low729.20.8229
Predominantly Upwind Medium591.91.0137
Predominantly Upwind High559.31.0727
Predominantly Downwind Low719.90.8335
Predominantly Downwind Medium522.51.1483
Predominantly Downwind High434.91.3795
Chicago-Mac Upwind1.0380
Chicago-Mac All Purpose1.0763
Chicago-Mac Downwind1.1203
Bayview-Mac Cove Island1.0125
Bayview-Mac Shore1.0173
Harvest Moon Regatta461.61.2999
Victoria-Maui1.2048
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low925.50.6483
5-Band Low / Medium785.00.7643
5-Band Medium634.10.9463
5-Band Medium / High574.81.0438
5-Band High547.61.0957
ORC Ref  032000025A7Issued on 15/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
Double Handed
2022

Boat

White Knuckles

SWE 6501

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPrima 38Measurement15/05/2022HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.615Max. Beam3.822Draft2.445Displacement6,284Wetted area28.52IMS L10.435LSM010.408Acc. length11.615Sink (kg/mm) 20.46
VCGD-0.238VCGM-0.260RM Measured (kg·m) 146.3RM Default (kg·m) 129.4Limit of positive stability(°) 133.9Stability Index134.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.405PBW0.130PIPA0.0033
EDL1.875ST10.042ST20.180
ST30.180ST40.112ST50.205
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P15.380IG15.319ISP15.404MDT10.113MDL10.224MDT20.082MDL20.117TL1.530MW0.222GO0.234
E5.467J4.580BAS1.734FSD0.033SFJ0.000SPL4.697WPLTPS5.180BD0.224MWT185.60MCG5.260
Flying Headsail Foretriangles IdISPTPS115.4045.180
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date15/05/2022Measurer1129Comment
SFFP0.410FFM1.393FF1.401LCFcl6.463SG1.0050
SAFP11.174FAM0.953FA0.958LCFsh6.718HBI1.169
W184.5W284.5W384.5W484.5
PD1546.6PD2548.5PD3548.9PD4545.4
WD12.035PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFuelAluFuel7005.200.00WaterInflatibleWater16005.600.00HoldingPlasticWater6002.600.00Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGHeaterMiscellaneousHeater Webasto Airtop Evo 4010.30Ba4Miscellaneous1 x x16 Ah Li6.700.00BatBattery1 x 100 Ah Li6.100.00EngEngineYanmar 3M30Total deductible
ORC Ref  032000025A7Issued on 15/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
Double Handed
2022

Boat

White Knuckles

SWE 6501

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentStorsegel0.201.162.043.464.5149.4601/06/2020NorthCarbon
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentCode650.091.392.685.036.757.9515.66NoYes171.3518/05/2021North SailsNylonJ10.050.681.322.603.744.8515.04YesNo 37.8519/05/2022SobstadKevlarJ20.090.801.452.563.654.6914.97YesNo 37.4117/05/2018LindforsTechnoraJ40.100.611.152.183.234.3114.32YesNo 31.3001/05/2018NorthTwaron
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialCommentS215.6015.6015.609.008.38115.3917/05/2022Nylon
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA315.7514.8915.327.718.3892%100.1416/08/2016Nylon
ORC Ref  032000025A7Issued on 15/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org