Club
Certificate
Double Handed
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°39.6°38.7°37.8°37.8°37.8°
Beat VMG4.124.945.375.605.735.825.88
52°6.287.307.757.958.068.148.22
60°6.607.567.978.168.288.368.46
75°6.817.718.148.408.588.718.89
90°6.677.648.158.498.779.019.35
110°6.397.628.268.699.069.389.94
120°6.207.518.228.729.199.6510.63
135°5.616.987.908.489.039.5911.01
150°4.756.027.107.888.368.759.59
Run VMG4.115.226.156.837.247.598.50
Gybe Angles143.3°146.6°149.6°150.5°150.5°171.2°174.8°

APH: 493.5

CDL: 11.355

GPH: 550.2

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 weight170 kgMinimum weight120 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
Headsails6  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.
ORC Ref  03440002RSIIssued on 29/08/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
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 VMG873.7729.5669.8642.5628.0618.9612.6
52°573.4492.9464.3452.9446.5442.5438.1
60°545.3476.3451.8441.1434.7430.5425.4
75°528.7466.9442.4428.6419.7413.3405.1
90°539.8471.1441.5424.0410.6399.7385.1
110°563.5472.2435.6414.1397.3383.7362.2
120°580.4479.7437.8412.6391.8373.2338.8
135°641.2516.1455.6424.3398.9375.5327.1
150°757.8597.5506.9456.9430.9411.3375.4
Run VMG875.1690.0585.3527.2497.3474.3423.5
Selected Courses
Windward / Leeward874.4709.7627.5584.9562.6546.6518.1
All purpose674.3559.6506.7479.1462.2449.1427.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward608.70.9856
All purpose493.51.2158
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8796
Downwind "popa"1.0312
70% up, 30% down "Ilhabela"0.9202
30% up, 70% down "Ilhabela-inverso"0.9805
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Predominantly Upwind530.81.1303
Predominantly Downwind500.51.1987
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low617.00.9725
Triple Number All Purpose Medium490.81.2226
Triple Number All Purpose High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Predominantly Upwind530.81.1303
Predominantly Downwind500.51.1987
Predominantly Upwind Low679.10.8836
Predominantly Upwind Medium549.61.0918
Predominantly Upwind High518.91.1564
Predominantly Downwind Low679.30.8833
Predominantly Downwind Medium498.51.2036
Predominantly Downwind High424.91.4122
Chicago-Mac Upwind1.1112
Chicago-Mac All Purpose1.1422
Chicago-Mac Downwind1.1790
Bayview-Mac Cove Island1.0731
Bayview-Mac Shore1.0832
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching467.61.2831
Predominantly Reaching Low560.41.0706
Predominantly Reaching Medium463.31.2951
Predominantly Reaching High411.31.4587
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low861.70.6963
5-Band Low / Medium728.60.8235
5-Band Medium595.51.0076
5-Band Medium / High547.71.0955
5-Band High523.01.1472
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance536.1
Triple Number Coastal/Long Distance Low617.0
Triple Number Coastal/Long Distance Medium490.8
Triple Number Coastal/Long Distance High444.4
Triple Number Windward/Leeward Low792.1
Triple Number Windward/Leeward Medium603.9
Triple Number Windward/Leeward High539.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9725
Triple Number Coastal/Long Distance Medium1.2226
Triple Number Coastal/Long Distance High1.3500
Triple Number Windward/Leeward Low0.7575
Triple Number Windward/Leeward Medium0.9935
Triple Number Windward/Leeward High1.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low617.0
Triple Number Coastal/Long Distance Medium490.8
Triple Number Coastal/Long Distance High444.4
Triple Number Windward/Leeward Low792.1
Triple Number Windward/Leeward Medium603.9
Triple Number Windward/Leeward High539.9
Predominantly Upwind530.8
Predominantly Downwind500.5
Predominantly Reaching478.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9725
Triple Number Coastal/Long Distance Medium1.2226
Triple Number Coastal/Long Distance High1.3500
Triple Number Windward/Leeward Low0.7575
Triple Number Windward/Leeward Medium0.9935
Triple Number Windward/Leeward High1.1113
Coastal/Long Distance1.1193
Predominantly Upwind1.1303
Predominantly Downwind1.1987
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9725
Tretall Distanseseilas Mellomvind1.2226
Tretall Distanseseilas Mye vind1.3500
Tretall Pølsebane Lite vind0.7575
Tretall Pølsebane Mellomvind0.9935
Tretall Pølsebane Mye vind1.1113
Distanseseilas ett tall (OSN 8-16kn)1.1193
Distanseseilas ett tall (APH 6-20kn)1.2158
Enkeltall Motvind1.1303
Enkeltall Medvind1.1987
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Coastal/Long Distance536.11.1193
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind530.81.1303
Predominantly Downwind500.51.1987
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore526.61.1393
Cape Doctor Coastal434.31.3816
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9725
Triple Number Coastal/Long Distance Medium1.2226
Triple Number Coastal/Long Distance High1.3500
Triple Number Windward/Leeward Low0.7575
Triple Number Windward/Leeward Medium0.9935
Triple Number Windward/Leeward High1.1113
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9725
Triple Number Coastal/Long Distance Medium1.2226
Triple Number Coastal/Long Distance High1.3500
Triple Number Windward/Leeward Low0.7575
Triple Number Windward/Leeward Medium0.9935
Triple Number Windward/Leeward High1.1113
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Predominantly Upwind530.81.1303
Predominantly Downwind500.51.1987
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance536.11.1193
Triple Number Coastal/Long Distance Low617.00.9725
Triple Number Coastal/Long Distance Medium490.81.2226
Triple Number Coastal/Long Distance High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance874.5669.0568.1510.8479.8453.6409.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low617.00.9725
Triple Number All Purpose Medium490.81.2226
Triple Number All Purpose High444.41.3500
Triple Number Windward/Leeward Low792.10.7575
Triple Number Windward/Leeward Medium603.90.9935
Triple Number Windward/Leeward High539.91.1113
Predominantly Upwind530.81.1303
Predominantly Downwind500.51.1987
Predominantly Upwind Low679.10.8836
Predominantly Upwind Medium549.61.0918
Predominantly Upwind High518.91.1564
Predominantly Downwind Low679.30.8833
Predominantly Downwind Medium498.51.2036
Predominantly Downwind High424.91.4122
Chicago-Mac Upwind1.1112
Chicago-Mac All Purpose1.1422
Chicago-Mac Downwind1.1790
Bayview-Mac Cove Island1.0731
Bayview-Mac Shore1.0832
Harvest Moon Regatta430.41.3940
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy523.11.1471
San Francisco Bay Medium593.11.0116
Predominantly Reaching467.61.2831
Predominantly Reaching Low560.41.0706
Predominantly Reaching Medium463.31.2951
Predominantly Reaching High411.31.4587
Windward/Leeward 60-40 Low794.00.7557
Windward/Leeward 60-40 Medium621.40.9656
Windward/Leeward 60-40 High566.81.0587
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low861.70.6963
5-Band Low / Medium728.60.8235
5-Band Medium595.51.0076
5-Band Medium / High547.71.0955
5-Band High523.01.1472
ORC Ref  03440002RSIIssued on 29/08/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
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 L11.907LSM011.897Acc. 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  03440002RSIIssued on 29/08/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
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
ORC Ref  03440002RSIIssued on 29/08/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org