Double HandedClub Certificate2025
HambaRSA-290
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 Angles40.8°40.8°39.2°38.8°38.5°38.5°38.5°39.4°41.6°
Beat VMG2.273.033.523.783.883.923.923.863.68
52°3.424.455.055.335.465.525.555.555.45
60°3.584.625.185.455.595.685.725.745.70
75°3.674.725.285.565.745.875.976.066.10
90°3.564.645.265.595.805.986.136.336.45
110°3.074.205.025.505.796.036.256.606.77
120°2.914.014.865.415.735.996.236.667.04
135°2.573.604.465.125.535.816.076.547.02
150°2.143.103.964.675.225.575.846.316.79
Run VMG1.852.683.454.124.725.225.556.046.49
Gybe Angles148.4°148.4°155.0°164.9°172.3°178.1°179.0°179.5°179.5°
APH ToD:726.4CDL: 5.447APH ToT: 0.8260CertNo:ZAC062
BOAT
ClassElvstrom 1/4 TonDesignerElvstromBuilderElvstrom & KjareulAge date01/1977Series date01/1977Offset fileE225.OFFData fileRSA290
HULL
Length Overall7.360 mMaximum Beam2.640 mDraft1.481 mDisplacement1,801 kgDLR9.9257IMS DivisionPerformanceDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.230m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail13.4613.62Headsail Luffed19.8219.82Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail4.06Storm Jib4.85Heavy Weather Jib13.08
SAIL LIMITS
Headsails5Spinnakers0
✱ 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
HambaRSA-290
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 VMG1582.71189.21022.0953.2927.5919.0917.7932.3977.3
52°1053.1808.4712.3675.8658.8651.7648.5649.2660.4
60°1005.3779.6694.4660.8643.6634.3629.8627.2632.1
75°981.1763.4682.0647.4627.1613.0603.2593.8590.5
90°1009.9776.2684.0644.5620.2601.8587.5568.4558.3
110°1171.7857.7716.7655.1621.9596.9576.4545.8531.4
120°1236.0896.9740.4665.8628.4601.0577.9540.7511.1
135°1398.2999.5807.8702.9651.1619.4593.5550.1512.7
150°1680.51161.9909.0771.2689.7646.0616.8570.3530.6
Run VMG1947.01341.71044.1874.2762.1690.2648.4596.0555.0
Selected Courses
Windward / Leeward1759.81265.51033.0913.7844.8804.6783.0764.2766.2
All purpose1339.2984.3823.7745.8703.8679.4663.6645.1640.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward880.20.6817
All purpose726.40.8260
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6122
Downwind "popa"0.7051
70% up, 30% down "Ilhabela"0.6374
30% up, 70% down "Ilhabela-inverso"0.6744
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Predominantly Upwind774.20.7749
Predominantly Downwind742.60.8080
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low904.00.6637
Triple Number AP Medium721.80.8313
Triple Number AP High660.60.9083
Triple Number Windward/Leeward Low1198.90.5005
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Single Number Predominant Upwind801.00.7491
Single Number Predominant Reaching722.50.8304
Single Number Predominant Downwind776.60.7726
Predominant Upwind - Low1037.00.5786
Predominant Upwind - Low/Med828.00.7246
Predominant Upwind - Medium754.80.7949
Predominant Upwind - Med/High722.20.8308
Predominant Upwind - High715.30.8388
Predominant Downwind Low1125.80.5330
Predominant Downwind Low/Med838.90.7152
Predominant Downwind Medium717.40.8364
Predominant Downwind Med/High646.00.9288
Predominant Downwind High610.80.9822
Predominant Reaching Low968.10.6198
Predominant Reaching Low/Med760.10.7894
Predominant Reaching Medium679.70.8828
Predominant Reaching Med/High633.90.9465
Predominant Reaching High610.90.9821
SA/DSPL Upwind22.44SA/DSPL Downwind22.44
Scoring OptionTODTOT
5-Band Windward/Leeward Low1332.20.4504
5-Band Windward/Leeward Low/Med997.40.6016
5-Band Windward/Leeward Medium860.00.6976
5-Band Windward/Leeward Med/High788.70.7608
5-Band Windward/Leeward High767.80.7815
Windward/Leeward 60-40 Low1314.90.4563
Windward/Leeward 60-40 Low/Med999.60.6002
Windward/Leeward 60-40 Medium875.50.6853
Windward/Leeward 60-40 Med/High815.20.7360
Windward/Leeward 60-40 High801.70.7484
5-Band AP Low1005.80.5965
5-Band AP Low/Med802.20.7480
5-Band AP Medium713.30.8411
5-Band AP Med/High666.50.9002
5-Band AP High647.40.9267
5-Band SF Bay Tour - Low1149.00.5222
5-Band SF Bay Tour - Low/Med954.90.6284
5-Band SF Bay Tour - Medium835.30.7183
5-Band SF Bay Tour - Med/High776.00.7732
5-Band SF Bay Tour - High758.40.7911
Chicago-Mac Upwind0.7313
Chicago-Mac All Purpose0.7421
Chicago-Mac Downwind0.7462
Bayview-Mac Cove Island0.5569
Bayview-Mac Shore0.5628
Harvest Moon Regatta638.70.9394
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance786.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7629
Triple Number Coastal/Long Distance Low0.6637
Triple Number Coastal/Long Distance Medium0.8314
Triple Number Coastal/Long Distance High0.9083
Triple Number Windward/Leeward Low0.5221
Triple Number Windward/Leeward Medium0.6870
Triple Number Windward/Leeward High0.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
For information
General Purpose Handicap (GPH)808.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low904.0
Triple Number Coastal/Long Distance Medium721.7
Triple Number Coastal/Long Distance High660.6
Triple Number Windward/Leeward Low1149.2
Triple Number Windward/Leeward Medium873.4
Triple Number Windward/Leeward High781.4
Predominantly Upwind774.2
Predominantly Downwind742.6
Predominantly Reaching710.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6637
Triple Number Coastal/Long Distance Medium0.8314
Triple Number Coastal/Long Distance High0.9083
Triple Number Windward/Leeward Low0.5221
Triple Number Windward/Leeward Medium0.6870
Triple Number Windward/Leeward High0.7679
Coastal/Long Distance0.7629
Predominantly Upwind0.7749
Predominantly Downwind0.8080
For information
General Purpose Handicap (GPH)808.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8260
Distanseseilas Trippeltall svak vind0.6637
Distanseseilas Trippeltall mellomvind0.8314
Distanseseilas Trippeltall sterk vind0.9083
Pølsebane Trippeltall svak vind0.5221
Pølsebane Trippeltall mellomvind0.6870
Pølsebane Trippeltall sterk vind0.7679
Motvind Singeltall0.7749
Medvind Singeltall0.8080
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Coastal/Long Distance786.50.7629
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind774.20.7749
Predominantly Downwind742.60.8080
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore765.60.7837
Cape Doctor Coastal641.70.9351
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6637
Triple Number Coastal/Long Distance Medium0.8314
Triple Number Coastal/Long Distance High0.9083
Triple Number Windward/Leeward Low0.5221
Triple Number Windward/Leeward Medium0.6870
Triple Number Windward/Leeward High0.7679
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6637
Triple Number Coastal/Long Distance Medium0.8314
Triple Number Coastal/Long Distance High0.9083
Triple Number Windward/Leeward Low0.5221
Triple Number Windward/Leeward Medium0.6870
Triple Number Windward/Leeward High0.7679
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Predominantly Upwind774.20.7749
Predominantly Downwind742.60.8080
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance786.50.7629
Triple Number Coastal/Long Distance Low904.00.6637
Triple Number Coastal/Long Distance Medium721.70.8314
Triple Number Coastal/Long Distance High660.60.9083
Triple Number Windward/Leeward Low1149.20.5221
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1886.51273.1977.8832.1748.8704.3670.6615.5603.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low904.00.6637
Triple Number AP Medium721.80.8313
Triple Number AP High660.60.9083
Triple Number Windward/Leeward Low1198.90.5005
Triple Number Windward/Leeward Medium873.40.6870
Triple Number Windward/Leeward High781.40.7679
Single Number Predominant Upwind801.00.7491
Single Number Predominant Reaching722.50.8304
Single Number Predominant Downwind776.60.7726
Predominant Upwind - Low1037.00.5786
Predominant Upwind - Low/Med828.00.7246
Predominant Upwind - Medium754.80.7949
Predominant Upwind - Med/High722.20.8308
Predominant Upwind - High715.30.8388
Predominant Downwind Low1125.80.5330
Predominant Downwind Low/Med838.90.7152
Predominant Downwind Medium717.40.8364
Predominant Downwind Med/High646.00.9288
Predominant Downwind High610.80.9822
Predominant Reaching Low968.10.6198
Predominant Reaching Low/Med760.10.7894
Predominant Reaching Medium679.70.8828
Predominant Reaching Med/High633.90.9465
Predominant Reaching High610.90.9821
SA/DSPL Upwind22.44SA/DSPL Downwind22.44
Scoring OptionTODTOT
5-Band Windward/Leeward Low1332.20.4504
5-Band Windward/Leeward Low/Med997.40.6016
5-Band Windward/Leeward Medium860.00.6976
5-Band Windward/Leeward Med/High788.70.7608
5-Band Windward/Leeward High767.80.7815
Windward/Leeward 60-40 Low1314.90.4563
Windward/Leeward 60-40 Low/Med999.60.6002
Windward/Leeward 60-40 Medium875.50.6853
Windward/Leeward 60-40 Med/High815.20.7360
Windward/Leeward 60-40 High801.70.7484
5-Band AP Low1005.80.5965
5-Band AP Low/Med802.20.7480
5-Band AP Medium713.30.8411
5-Band AP Med/High666.50.9002
5-Band AP High647.40.9267
5-Band SF Bay Tour - Low1149.00.5222
5-Band SF Bay Tour - Low/Med954.90.6284
5-Band SF Bay Tour - Medium835.30.7183
5-Band SF Bay Tour - Med/High776.00.7732
5-Band SF Bay Tour - High758.40.7911
Chicago-Mac Upwind0.7313
Chicago-Mac All Purpose0.7421
Chicago-Mac Downwind0.7462
Bayview-Mac Cove Island0.5569
Bayview-Mac Shore0.5628
Harvest Moon Regatta638.70.9394
Double HandedClub Certificate2025
HambaRSA-290
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassElvstrom 1/4 TonMeasurement15/09/2020HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.360Max. Beam2.640Draft1.481Displacement1,801Wetted area11.03IMS L5.709LSM05.661Acc. length7.360Sink (kg/mm) 7.48
VCGD0.114VCGM-0.039RM Rated (kg·m) 20.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.230PBWPIPA0.0005
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P8.810IG9.840ISP9.810MDT10.090MDL10.125MDT2MDL2TLNo TaperMWGO
E2.630J3.080BAS0.880FSDFoilSFJSPL3.060WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date14/03/2018
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
HambaRSA-290
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.160.540.941.622.1613.4613/12/2024Black Mylar
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.064.199.34NoNo 19.82