Double HandedClub Certificate2025
PolarityRSA-4886
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.6°43.6°41.7°40.6°40.0°39.9°39.7°39.9°40.9°
Beat VMG2.493.494.314.905.295.505.605.645.53
52°3.925.356.447.227.727.998.118.208.14
60°4.195.656.727.507.988.258.408.508.48
75°4.375.876.947.718.198.498.688.908.97
90°4.265.746.857.728.298.638.859.179.43
110°4.075.656.927.858.438.829.149.7210.21
120°3.905.436.707.678.318.749.099.7810.47
135°3.344.786.057.087.898.438.839.5510.30
150°2.744.025.206.217.047.688.158.829.40
Run VMG2.373.484.515.386.106.657.208.268.92
Gybe Angles143.1°143.1°146.5°147.1°147.2°147.7°176.3°178.4°178.9°
APH ToD:531.9CDL: 11.491APH ToT: 1.1280CertNo:ZAD292
BOAT
ClassBoreal 47.2DesignerJean-Francois DelvoyeBuilderBoreal YachtsAge date07/2025Series date07/2020Offset fileboreal472.offData fileRSA4886
HULL
Length Overall14.360 mMaximum Beam4.390 mDraft2.371 mDisplacement14,000 kgDLR5.7838IMS DivisionCruiser/RacerDynamic Allowance0.400%Age Allowance0.163%
PROPELLER
InstallationShaft non exposedTypeFolding 3 bladesDiameter0.508m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.4049.29Headsail Luffed46.6146.61Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail14.63Storm Jib14.11Heavy Weather Jib38.08
SAIL LIMITS
Headsails7
✱ One set on the forestay
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.
Double HandedClub Certificate2025
PolarityRSA-4886
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1443.01030.8835.5734.9680.5654.7643.3638.7651.1
52°917.3672.4559.2498.6466.3450.6443.6439.3442.1
60°860.1637.2535.5479.9451.0436.4428.8423.7424.4
75°823.7613.7519.1467.1439.5424.2414.8404.4401.3
90°845.8627.0525.9466.2434.1417.2406.7392.7381.9
110°883.8636.7519.9458.5427.0408.2393.7370.3352.5
120°923.9662.6537.6469.5433.1412.1395.9368.0343.9
135°1077.5752.5594.6508.2456.5426.9407.8377.0349.6
150°1314.6896.4691.7579.9511.5469.0441.5408.0382.8
Run VMG1518.21035.1798.7669.7590.6541.5499.9435.6403.4
Selected Courses
Windward / Leeward1479.31033.0817.1702.3635.6598.1571.6537.2527.3
All purpose1108.6789.5636.7554.5508.2482.5466.4445.7435.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward668.10.8980
All purpose531.91.1280
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8048
Downwind "popa"0.9188
70% up, 30% down "Ilhabela"0.8359
30% up, 70% down "Ilhabela-inverso"0.8814
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Predominantly Upwind572.71.0477
Predominantly Downwind550.21.0904
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low713.10.8414
Triple Number AP Medium528.01.1364
Triple Number AP High462.71.2969
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Single Number Predominant Upwind598.51.0025
Single Number Predominant Reaching530.91.1302
Single Number Predominant Downwind577.91.0382
Predominant Upwind - Low860.60.6972
Predominant Upwind - Low/Med640.60.9366
Predominant Upwind - Medium550.11.0908
Predominant Upwind - Med/High505.51.1869
Predominant Upwind - High490.91.2222
Predominant Downwind Low883.90.6788
Predominant Downwind Low/Med635.00.9449
Predominant Downwind Medium526.91.1388
Predominant Downwind Med/High462.71.2967
Predominant Downwind High428.31.4008
Predominant Reaching Low773.30.7759
Predominant Reaching Low/Med573.51.0462
Predominant Reaching Medium488.41.2285
Predominant Reaching Med/High442.41.3564
Predominant Reaching High421.11.4249
SA/DSPL Upwind16.21SA/DSPL Downwind16.21
Scoring OptionTODTOT
5-Band Windward/Leeward Low1090.90.5500
5-Band Windward/Leeward Low/Med781.60.7676
5-Band Windward/Leeward Medium650.20.9227
5-Band Windward/Leeward Med/High575.71.0422
5-Band Windward/Leeward High541.41.1082
Windward/Leeward 60-40 Low1089.70.5506
Windward/Leeward 60-40 Low/Med786.50.7629
Windward/Leeward 60-40 Medium659.20.9102
Windward/Leeward 60-40 Med/High590.11.0168
Windward/Leeward 60-40 High561.51.0686
5-Band AP Low796.40.7534
5-Band AP Low/Med611.20.9816
5-Band AP Medium518.81.1565
5-Band AP Med/High469.11.2790
5-Band AP High447.61.3405
5-Band SF Bay Tour - Low932.20.6436
5-Band SF Bay Tour - Low/Med744.30.8061
5-Band SF Bay Tour - Medium623.10.9629
5-Band SF Bay Tour - Med/High557.21.0768
5-Band SF Bay Tour - High529.61.1330
Chicago-Mac Upwind0.9664
Chicago-Mac All Purpose0.9851
Chicago-Mac Downwind0.9951
Bayview-Mac Cove Island0.6989
Bayview-Mac Shore0.7050
Harvest Moon Regatta456.31.3148
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance582.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating582.51.0300
FinRating, kevyt tuuli1073.00.9320
FinRating, kova tuuli451.01.1087
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0300
Triple Number Coastal/Long Distance Low0.8414
Triple Number Coastal/Long Distance Medium1.1366
Triple Number Coastal/Long Distance High1.2969
Triple Number Windward/Leeward Low0.6486
Triple Number Windward/Leeward Medium0.9042
Triple Number Windward/Leeward High1.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
For information
General Purpose Handicap (GPH)603.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low713.1
Triple Number Coastal/Long Distance Medium527.9
Triple Number Coastal/Long Distance High462.6
Triple Number Windward/Leeward Low925.1
Triple Number Windward/Leeward Medium663.6
Triple Number Windward/Leeward High565.3
Predominantly Upwind572.7
Predominantly Downwind550.2
Predominantly Reaching520.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8414
Triple Number Coastal/Long Distance Medium1.1366
Triple Number Coastal/Long Distance High1.2969
Triple Number Windward/Leeward Low0.6486
Triple Number Windward/Leeward Medium0.9042
Triple Number Windward/Leeward High1.0613
Coastal/Long Distance1.0300
Predominantly Upwind1.0477
Predominantly Downwind1.0904
For information
General Purpose Handicap (GPH)603.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1280
Distanseseilas Trippeltall svak vind0.8414
Distanseseilas Trippeltall mellomvind1.1366
Distanseseilas Trippeltall sterk vind1.2969
Pølsebane Trippeltall svak vind0.6486
Pølsebane Trippeltall mellomvind0.9042
Pølsebane Trippeltall sterk vind1.0613
Motvind Singeltall1.0477
Medvind Singeltall1.0904
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Coastal/Long Distance582.51.0300
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind572.71.0477
Predominantly Downwind550.21.0904
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore530.21.1316
Cape Doctor Coastal438.91.3672
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8414
Triple Number Coastal/Long Distance Medium1.1366
Triple Number Coastal/Long Distance High1.2969
Triple Number Windward/Leeward Low0.6486
Triple Number Windward/Leeward Medium0.9042
Triple Number Windward/Leeward High1.0613
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8414
Triple Number Coastal/Long Distance Medium1.1366
Triple Number Coastal/Long Distance High1.2969
Triple Number Windward/Leeward Low0.6486
Triple Number Windward/Leeward Medium0.9042
Triple Number Windward/Leeward High1.0613
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Predominantly Upwind572.71.0477
Predominantly Downwind550.21.0904
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance582.51.0300
Triple Number Coastal/Long Distance Low713.10.8414
Triple Number Coastal/Long Distance Medium527.91.1366
Triple Number Coastal/Long Distance High462.61.2969
Triple Number Windward/Leeward Low925.10.6486
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.01033.2768.2629.3545.5502.4470.8424.7412.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low713.10.8414
Triple Number AP Medium528.01.1364
Triple Number AP High462.71.2969
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium663.60.9042
Triple Number Windward/Leeward High565.31.0613
Single Number Predominant Upwind598.51.0025
Single Number Predominant Reaching530.91.1302
Single Number Predominant Downwind577.91.0382
Predominant Upwind - Low860.60.6972
Predominant Upwind - Low/Med640.60.9366
Predominant Upwind - Medium550.11.0908
Predominant Upwind - Med/High505.51.1869
Predominant Upwind - High490.91.2222
Predominant Downwind Low883.90.6788
Predominant Downwind Low/Med635.00.9449
Predominant Downwind Medium526.91.1388
Predominant Downwind Med/High462.71.2967
Predominant Downwind High428.31.4008
Predominant Reaching Low773.30.7759
Predominant Reaching Low/Med573.51.0462
Predominant Reaching Medium488.41.2285
Predominant Reaching Med/High442.41.3564
Predominant Reaching High421.11.4249
SA/DSPL Upwind16.21SA/DSPL Downwind16.21
Scoring OptionTODTOT
5-Band Windward/Leeward Low1090.90.5500
5-Band Windward/Leeward Low/Med781.60.7676
5-Band Windward/Leeward Medium650.20.9227
5-Band Windward/Leeward Med/High575.71.0422
5-Band Windward/Leeward High541.41.1082
Windward/Leeward 60-40 Low1089.70.5506
Windward/Leeward 60-40 Low/Med786.50.7629
Windward/Leeward 60-40 Medium659.20.9102
Windward/Leeward 60-40 Med/High590.11.0168
Windward/Leeward 60-40 High561.51.0686
5-Band AP Low796.40.7534
5-Band AP Low/Med611.20.9816
5-Band AP Medium518.81.1565
5-Band AP Med/High469.11.2790
5-Band AP High447.61.3405
5-Band SF Bay Tour - Low932.20.6436
5-Band SF Bay Tour - Low/Med744.30.8061
5-Band SF Bay Tour - Medium623.10.9629
5-Band SF Bay Tour - Med/High557.21.0768
5-Band SF Bay Tour - High529.61.1330
Chicago-Mac Upwind0.9664
Chicago-Mac All Purpose0.9851
Chicago-Mac Downwind0.9951
Bayview-Mac Cove Island0.6989
Bayview-Mac Shore0.7050
Harvest Moon Regatta456.31.3148
Double HandedClub Certificate2025
PolarityRSA-4886
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBoreal 47.2Measurement04/11/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA14.360Max. Beam4.390Draft2.371Displacement14,000Wetted area41.39IMS L13.352LSM013.425Acc. length14.268Sink (kg/mm) 32.98
VCGD0.169VCGM0.158RM Rated (kg·m) 293.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.508PBWPIPA0.0009
PSDPHDPHL
PSAESL
RIG
Forestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P16.150IG16.795ISP17.925MDT10.145MDL10.305MDT2MDL2TLNo TaperMWGO
E5.175J5.260BAS1.725FSD0.057SFJ0.075SPLWPL4.420TPS5.835BD0.205MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date09/11/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
PolarityRSA-4886
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.151.031.853.214.2548.4003/11/2005
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJib0.080.681.332.764.336.0316.18NoNo 46.6103/11/2025Staysail0.080.541.062.223.474.8011.70NoNo 26.9603/11/2025
CRUISER/RACER REQUIREMENTS*
Accommodation length14.3 mTable area0.66 m²Headroom1.90 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity249 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity136 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.