Club
Certificate
2023

Boat

j-walk II

NOR 11623

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.2°41.2°39.0°37.6°37.0°36.4°36.0°
Beat VMG4.084.965.525.795.946.046.15
52°6.227.327.858.088.218.298.40
60°6.557.558.038.278.418.518.63
75°6.777.698.158.468.688.839.05
90°6.637.618.148.518.819.079.48
110°6.377.628.288.749.139.4810.09
120°6.177.488.228.749.229.6910.70
135°5.576.927.868.448.979.5210.86
150°4.715.977.057.838.298.679.45
Run VMG4.085.176.106.787.197.568.44
Gybe Angles143.3°146.6°149.3°150.5°150.5°171.2°175.7°

APH: 489.5

CDL: 11.817

GPH: 547.6

CertNo: 9186

BOAT
ClassJ/133DesignerJohnstoneBuilderJeuropeAge date01/2005Series date01/2004Offset fileJ133.OFFData file9186
HULL
Length Overall13.140 mMaximum Beam3.874 mDraft2.285 mDisplacement8,824 kgDLR5.2387IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.440m
CREW
Maximum weight882 kgMinimum weight661 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail55.7656.89Headsail Luffed63.6363.63Headsail FlyingSymmetricAsymmetric157.25157.25 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail16.34Storm Jib15.25Heavy Weather Jib41.16
SAIL LIMITS
Headsails7  Spinnakers5
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
2023

Boat

j-walk II

NOR 11623

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG882.9726.1652.6622.1605.9595.8585.6
52°578.4492.0458.7445.6438.7434.2428.7
60°549.3476.8448.5435.4428.3423.3417.0
75°531.6468.4441.5425.7414.9407.6397.8
90°543.1473.0442.1423.3408.6396.8379.8
110°565.1472.6434.5411.8394.1379.6356.7
120°583.2481.1438.0412.0390.4371.7336.3
135°646.4520.0458.0426.5401.3378.2331.5
150°764.7602.8510.9460.0434.1415.4380.8
Run VMG883.0696.0589.9530.8501.0476.1426.4
Selected Courses
Windward / Leeward882.9711.1621.2576.4553.5535.9506.0
All purpose679.8560.8503.3474.1456.4442.8420.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward602.00.9967
All purpose489.51.2256
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8992
Downwind "popa"1.0236
70% up, 30% down "Ilhabela"0.9332
30% up, 70% down "Ilhabela-inverso"0.9828
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Predominantly Upwind524.51.1440
Predominantly Downwind501.01.1976
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low620.30.9673
Triple Number All Purpose Medium486.61.2330
Triple Number All Purpose High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Predominantly Upwind524.51.1440
Predominantly Downwind501.01.1976
Predominantly Upwind Low682.10.8796
Predominantly Upwind Medium539.01.1131
Predominantly Upwind High504.11.1902
Predominantly Downwind Low684.30.8768
Predominantly Downwind Medium500.51.1989
Predominantly Downwind High425.71.4095
Chicago-Mac Upwind1.1251
Chicago-Mac All Purpose1.1486
Chicago-Mac Downwind1.1779
Bayview-Mac Cove Island1.0737
Bayview-Mac Shore1.0862
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching466.31.2868
Predominantly Reaching Low563.81.0643
Predominantly Reaching Medium462.41.2975
Predominantly Reaching High408.51.4688
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low869.70.6899
5-Band Low / Medium729.70.8223
5-Band Medium587.91.0206
5-Band Medium / High537.21.1168
5-Band High511.21.1738
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance531.9
Triple Number Coastal/Long Distance Low620.3
Triple Number Coastal/Long Distance Medium486.6
Triple Number Coastal/Long Distance High437.8
Triple Number Windward/Leeward Low797.0
Triple Number Windward/Leeward Medium596.8
Triple Number Windward/Leeward High529.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9673
Triple Number Coastal/Long Distance Medium1.2330
Triple Number Coastal/Long Distance High1.3705
Triple Number Windward/Leeward Low0.7528
Triple Number Windward/Leeward Medium1.0053
Triple Number Windward/Leeward High1.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low620.3
Triple Number Coastal/Long Distance Medium486.6
Triple Number Coastal/Long Distance High437.8
Triple Number Windward/Leeward Low797.0
Triple Number Windward/Leeward Medium596.8
Triple Number Windward/Leeward High529.1
Predominantly Upwind524.5
Predominantly Downwind501.0
Predominantly Reaching478.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9673
Triple Number Coastal/Long Distance Medium1.2330
Triple Number Coastal/Long Distance High1.3705
Triple Number Windward/Leeward Low0.7528
Triple Number Windward/Leeward Medium1.0053
Triple Number Windward/Leeward High1.1340
Coastal/Long Distance1.1281
Predominantly Upwind1.1440
Predominantly Downwind1.1976
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9673
Tretall Distanseseilas Mellomvind1.2330
Tretall Distanseseilas Mye vind1.3705
Tretall Pølsebane Lite vind0.7528
Tretall Pølsebane Mellomvind1.0053
Tretall Pølsebane Mye vind1.1340
Distanseseilas ett tall (OSN 8-16kn)1.1281
Distanseseilas ett tall (APH 6-20kn)1.2256
Enkeltall Motvind1.1440
Enkeltall Medvind1.1976
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Coastal/Long Distance531.91.1281
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind524.51.1440
Predominantly Downwind501.01.1976
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore515.01.1651
Cape Doctor Coastal427.11.4047
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9673
Triple Number Coastal/Long Distance Medium1.2330
Triple Number Coastal/Long Distance High1.3705
Triple Number Windward/Leeward Low0.7528
Triple Number Windward/Leeward Medium1.0053
Triple Number Windward/Leeward High1.1340
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9673
Triple Number Coastal/Long Distance Medium1.2330
Triple Number Coastal/Long Distance High1.3705
Triple Number Windward/Leeward Low0.7528
Triple Number Windward/Leeward Medium1.0053
Triple Number Windward/Leeward High1.1340
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Predominantly Upwind524.51.1440
Predominantly Downwind501.01.1976
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.91.1281
Triple Number Coastal/Long Distance Low620.30.9673
Triple Number Coastal/Long Distance Medium486.61.2330
Triple Number Coastal/Long Distance High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.9670.5563.5504.7473.6447.6403.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low620.30.9673
Triple Number All Purpose Medium486.61.2330
Triple Number All Purpose High437.81.3705
Triple Number Windward/Leeward Low797.00.7528
Triple Number Windward/Leeward Medium596.81.0053
Triple Number Windward/Leeward High529.11.1340
Predominantly Upwind524.51.1440
Predominantly Downwind501.01.1976
Predominantly Upwind Low682.10.8796
Predominantly Upwind Medium539.01.1131
Predominantly Upwind High504.11.1902
Predominantly Downwind Low684.30.8768
Predominantly Downwind Medium500.51.1989
Predominantly Downwind High425.71.4095
Chicago-Mac Upwind1.1251
Chicago-Mac All Purpose1.1486
Chicago-Mac Downwind1.1779
Bayview-Mac Cove Island1.0737
Bayview-Mac Shore1.0862
Harvest Moon Regatta429.41.3973
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy512.41.1710
San Francisco Bay Medium586.81.0225
Predominantly Reaching466.31.2868
Predominantly Reaching Low563.81.0643
Predominantly Reaching Medium462.41.2975
Predominantly Reaching High408.51.4688
Windward/Leeward 60-40 Low798.50.7514
Windward/Leeward 60-40 Medium610.50.9828
Windward/Leeward 60-40 High551.31.0883
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low869.70.6899
5-Band Low / Medium729.70.8223
5-Band Medium587.91.0206
5-Band Medium / High537.21.1168
5-Band High511.21.1738

Club
Certificate
2023

Boat

j-walk II

NOR 11623

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ/133MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.140Max. Beam3.874Draft2.285Displacement8,824Wetted area35.69IMS L12.110LSM011.897Acc. length12.591Sink (kg/mm) 26.33
VCGD-0.280VCGM-0.329RM Rated (kg·m) 262.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0041
EDL1.530ST10.070ST20.180
ST30.180ST40.110ST50.260
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.460IG17.360ISP17.880MDT10.130MDL10.220MDT20.090MDL20.130TL1.220MW0.190GO0.220
E5.670J5.230BAS1.800FSDFoilSFJ0.000SPL0.000WPLTPS7.300BDMWT208.00MCG6.090
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.280Flotation Date01/01/2015MeasurerComment
SFFP0.223FFMFF1.379LCFcl7.307SG1.0030
SAFP12.520FAMFA1.016LCFsh7.561HBI1.205
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2023

Boat

j-walk II

NOR 11623

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment469-2019041708460.181.212.183.674.7655.7617/04/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment469-2019051311030.680.921.763.575.497.1317.50NoNo 63.6313/05/2019469-2019061110590.070.771.482.763.995.1317.50NoNo 47.1217/04/2019469-2019051312260.060.671.312.633.965.2617.50NoNo 46.1513/05/2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment336-20120925145220.1516.0018.0810.0512.0084%157.2525/09/2012D-206 A-1329-20060531181820.1016.2018.1510.0611.4088%156.2131/05/2006469-20200408100320.1516.9418.559.9710.5095%155.7208/04/2020