Club
Certificate
Non Spinnaker
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°6.237.327.858.088.208.298.40
60°6.567.558.038.278.418.508.63
75°6.787.698.168.468.688.839.05
90°6.637.618.158.518.819.079.48
110°5.917.027.788.298.709.109.84
120°5.346.617.558.148.579.009.87
135°4.635.896.927.698.198.619.48
150°3.875.036.036.857.528.008.70
Run VMG3.354.365.235.986.777.448.33
Gybe Angles143.3°146.0°147.1°168.5°170.0°172.1°174.8°

APH: 513.2

CDL: 11.814

GPH: 578.2

CertNo: 9186

BOAT
ClassJ/133DesignerJohnstoneBuilderJeuropeAge date01/2005Series date01/2004Offset fileJ133.OFFData file9186
HULL
Length Overall13.160 mMaximum Beam3.874 mDraft2.285 mDisplacement8,824 kgDLR5.2387IMS DivisionCruiser/RacerDynamic Allowance0.090%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail16.34Storm Jib15.25Heavy Weather Jib41.16
SAIL LIMITS
Headsails7  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  03440002K1SIssued on 30/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG882.5725.9652.5622.1606.0595.9585.8
52°578.1491.8458.7445.7438.8434.3428.8
60°549.1476.7448.5435.4428.3423.3417.0
75°531.4468.3441.4425.7414.9407.7397.9
90°542.9472.9442.0423.2408.6396.7379.8
110°609.4513.2462.8434.3413.7395.7365.8
120°674.4544.5476.8442.5420.1400.2364.9
135°777.5610.7520.0468.2439.3418.0379.7
150°930.7715.4596.6525.7478.5450.2413.7
Run VMG1074.7826.1688.9602.3531.9484.0432.1
Selected Courses
Windward / Leeward978.6776.0670.7612.2569.0540.0508.9
All purpose737.7601.1532.6495.5470.7453.5430.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward637.60.9411
All purpose513.21.1691
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8992
Downwind "popa"0.9052
70% up, 30% down "Ilhabela"0.9010
30% up, 70% down "Ilhabela-inverso"0.9034
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Predominantly Upwind537.81.1156
Predominantly Downwind544.21.1025
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low669.40.8963
Triple Number All Purpose Medium510.51.1754
Triple Number All Purpose High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Predominantly Upwind537.81.1156
Predominantly Downwind544.21.1025
Predominantly Upwind Low709.10.8461
Predominantly Upwind Medium542.51.1061
Predominantly Upwind High505.91.1860
Predominantly Downwind Low783.90.7654
Predominantly Downwind Medium554.51.0821
Predominantly Downwind High445.51.3469
Chicago-Mac Upwind1.0967
Chicago-Mac All Purpose1.0864
Chicago-Mac Downwind1.0790
Bayview-Mac Cove Island1.0157
Bayview-Mac Shore1.0405
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching487.31.2313
Predominantly Reaching Low609.50.9844
Predominantly Reaching Medium486.71.2327
Predominantly Reaching High423.71.4161
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low963.00.6231
5-Band Low / Medium797.70.7522
5-Band Medium622.20.9643
5-Band Medium / High545.71.0994
5-Band High514.31.1667
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance562.6
Triple Number Coastal/Long Distance Low669.4
Triple Number Coastal/Long Distance Medium510.5
Triple Number Coastal/Long Distance High449.3
Triple Number Windward/Leeward Low877.3
Triple Number Windward/Leeward Medium634.6
Triple Number Windward/Leeward High535.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8963
Triple Number Coastal/Long Distance Medium1.1754
Triple Number Coastal/Long Distance High1.3355
Triple Number Windward/Leeward Low0.6839
Triple Number Windward/Leeward Medium0.9455
Triple Number Windward/Leeward High1.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low669.4
Triple Number Coastal/Long Distance Medium510.5
Triple Number Coastal/Long Distance High449.3
Triple Number Windward/Leeward Low877.3
Triple Number Windward/Leeward Medium634.6
Triple Number Windward/Leeward High535.6
Predominantly Upwind537.8
Predominantly Downwind544.2
Predominantly Reaching508.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8963
Triple Number Coastal/Long Distance Medium1.1754
Triple Number Coastal/Long Distance High1.3355
Triple Number Windward/Leeward Low0.6839
Triple Number Windward/Leeward Medium0.9455
Triple Number Windward/Leeward High1.1203
Coastal/Long Distance1.0665
Predominantly Upwind1.1156
Predominantly Downwind1.1025
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8963
Tretall Distanseseilas Mellomvind1.1754
Tretall Distanseseilas Mye vind1.3355
Tretall Pølsebane Lite vind0.6839
Tretall Pølsebane Mellomvind0.9455
Tretall Pølsebane Mye vind1.1203
Distanseseilas ett tall (OSN 8-16kn)1.0665
Distanseseilas ett tall (APH 6-20kn)1.1691
Enkeltall Motvind1.1156
Enkeltall Medvind1.1025
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Coastal/Long Distance562.61.0665
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind537.81.1156
Predominantly Downwind544.21.1025
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore518.21.1578
Cape Doctor Coastal437.51.3713
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8963
Triple Number Coastal/Long Distance Medium1.1754
Triple Number Coastal/Long Distance High1.3355
Triple Number Windward/Leeward Low0.6839
Triple Number Windward/Leeward Medium0.9455
Triple Number Windward/Leeward High1.1203
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8963
Triple Number Coastal/Long Distance Medium1.1754
Triple Number Coastal/Long Distance High1.3355
Triple Number Windward/Leeward Low0.6839
Triple Number Windward/Leeward Medium0.9455
Triple Number Windward/Leeward High1.1203
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Predominantly Upwind537.81.1156
Predominantly Downwind544.21.1025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance562.61.0665
Triple Number Coastal/Long Distance Low669.40.8963
Triple Number Coastal/Long Distance Medium510.51.1754
Triple Number Coastal/Long Distance High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance988.2731.2603.2529.8489.3459.3414.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low669.40.8963
Triple Number All Purpose Medium510.51.1754
Triple Number All Purpose High449.31.3355
Triple Number Windward/Leeward Low877.30.6839
Triple Number Windward/Leeward Medium634.60.9455
Triple Number Windward/Leeward High535.61.1203
Predominantly Upwind537.81.1156
Predominantly Downwind544.21.1025
Predominantly Upwind Low709.10.8461
Predominantly Upwind Medium542.51.1061
Predominantly Upwind High505.91.1860
Predominantly Downwind Low783.90.7654
Predominantly Downwind Medium554.51.0821
Predominantly Downwind High445.51.3469
Chicago-Mac Upwind1.0967
Chicago-Mac All Purpose1.0864
Chicago-Mac Downwind1.0790
Bayview-Mac Cove Island1.0157
Bayview-Mac Shore1.0405
Harvest Moon Regatta448.61.3374
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy525.41.1419
San Francisco Bay Medium623.40.9625
Predominantly Reaching487.31.2313
Predominantly Reaching Low609.50.9844
Predominantly Reaching Medium486.71.2327
Predominantly Reaching High423.71.4161
Windward/Leeward 60-40 Low862.70.6955
Windward/Leeward 60-40 Medium635.40.9443
Windward/Leeward 60-40 High555.71.0798
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low963.00.6231
5-Band Low / Medium797.70.7522
5-Band Medium622.20.9643
5-Band Medium / High545.71.0994
5-Band High514.31.1667
ORC Ref  03440002K1SIssued on 30/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
LOA13.160Max. Beam3.874Draft2.285Displacement8,824Wetted area35.69IMS L12.104LSM011.897Acc. 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
ORC Ref  03440002K1SIssued on 30/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002K1SIssued on 30/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org