Double HandedClub Certificate2025
StregaRSA-045
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 Angles43.0°43.0°41.3°40.0°39.7°39.7°39.8°40.5°42.7°
Beat VMG2.112.993.724.134.274.324.344.304.08
52°3.264.545.546.056.216.286.316.316.17
60°3.464.785.776.276.446.526.566.586.51
75°3.584.925.926.466.716.846.937.037.03
90°3.434.785.836.456.827.097.307.537.64
110°3.004.295.416.246.757.177.578.138.48
120°2.804.045.146.046.607.057.508.469.21
135°2.403.534.605.526.236.717.138.109.39
150°2.023.024.004.895.686.306.747.578.60
Run VMG1.752.623.474.264.995.676.237.047.86
Gybe Angles148.9°148.9°151.9°155.9°161.8°168.5°175.9°178.1°177.5°
APH ToD:657.0CDL: 7.136APH ToT: 0.9133CertNo:ZAD169
BOAT
ClassR.C.O.D.DesignerVan Der StadtBuilderRG Plastics, DurbaAge date01/1992Series date01/1960Offset fileRCOD_DV.OFFData fileRSA4609
HULL
Length Overall9.050 mMaximum Beam2.130 mDraft1.824 mDisplacement1,799 kgDLR3.4410IMS DivisionSportboatDynamic Allowance0.340%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.2517.61Headsail Luffed16.7616.76Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.31Storm Jib3.12Heavy Weather Jib8.41
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
StregaRSA-045
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 VMG1709.11203.5967.4871.0843.6833.7830.3837.7883.3
52°1105.4792.6649.9594.9579.5573.3570.4570.4583.5
60°1041.9753.7623.6574.0558.6552.4548.9546.8552.9
75°1006.5731.7607.9557.7536.3526.1519.7511.8512.3
90°1048.3753.5617.6557.8528.0507.5493.5478.4471.0
110°1199.3839.8666.0576.6533.7502.4475.9443.0424.6
120°1284.9892.1699.8596.4545.1510.6479.9425.4390.8
135°1498.41018.9783.1652.7577.6536.9504.7444.3383.5
150°1781.31190.4899.1736.0633.7571.2534.5475.5418.7
Run VMG2057.51374.51036.8844.5720.8635.1577.7511.6457.8
Selected Courses
Windward / Leeward1881.71289.01002.1857.7782.2734.4704.0674.7670.5
All purpose1417.5986.2779.5678.6628.7598.8579.0554.1544.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward821.90.7300
All purpose657.00.9133
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6576
Downwind "popa"0.7367
70% up, 30% down "Ilhabela"0.6795
30% up, 70% down "Ilhabela-inverso"0.7110
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Predominantly Upwind703.30.8531
Predominantly Downwind682.70.8789
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low882.80.6796
Triple Number AP Medium650.50.9223
Triple Number AP High574.61.0441
Triple Number Windward/Leeward Low1204.90.4980
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Single Number Predominant Upwind737.80.8132
Single Number Predominant Reaching658.10.9117
Single Number Predominant Downwind723.20.8297
Predominant Upwind - Low1045.20.5740
Predominant Upwind - Low/Med771.80.7774
Predominant Upwind - Medium677.80.8853
Predominant Upwind - Med/High638.10.9402
Predominant Upwind - High626.80.9573
Predominant Downwind Low1147.10.5230
Predominant Downwind Low/Med800.20.7498
Predominant Downwind Medium652.30.9198
Predominant Downwind Med/High564.31.0633
Predominant Downwind High517.91.1585
Predominant Reaching Low972.60.6169
Predominant Reaching Low/Med706.00.8498
Predominant Reaching Medium602.60.9957
Predominant Reaching Med/High546.91.0972
Predominant Reaching High518.41.1574
SA/DSPL Upwind22.95SA/DSPL Downwind22.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low1365.80.4393
5-Band Windward/Leeward Low/Med961.00.6244
5-Band Windward/Leeward Medium798.40.7515
5-Band Windward/Leeward Med/High710.80.8441
5-Band Windward/Leeward High679.00.8836
Windward/Leeward 60-40 Low1346.80.4455
Windward/Leeward 60-40 Low/Med958.80.6258
Windward/Leeward 60-40 Medium809.80.7409
Windward/Leeward 60-40 Med/High735.30.8160
Windward/Leeward 60-40 High712.10.8426
5-Band AP Low1009.60.5943
5-Band AP Low/Med752.10.7978
5-Band AP Medium640.30.9370
5-Band AP Med/High582.31.0303
5-Band AP High556.81.0776
5-Band SF Bay Tour - Low1156.50.5188
5-Band SF Bay Tour - Low/Med914.30.6563
5-Band SF Bay Tour - Medium768.50.7807
5-Band SF Bay Tour - Med/High694.00.8645
5-Band SF Bay Tour - High666.00.9009
Chicago-Mac Upwind0.7896
Chicago-Mac All Purpose0.7964
Chicago-Mac Downwind0.7935
Bayview-Mac Cove Island0.5564
Bayview-Mac Shore0.5630
Harvest Moon Regatta554.91.0812
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance719.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8343
Triple Number Coastal/Long Distance Low0.6796
Triple Number Coastal/Long Distance Medium0.9225
Triple Number Coastal/Long Distance High1.0441
Triple Number Windward/Leeward Low0.5238
Triple Number Windward/Leeward Medium0.7373
Triple Number Windward/Leeward High0.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
For information
General Purpose Handicap (GPH)745.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low882.9
Triple Number Coastal/Long Distance Medium650.4
Triple Number Coastal/Long Distance High574.7
Triple Number Windward/Leeward Low1145.5
Triple Number Windward/Leeward Medium813.8
Triple Number Windward/Leeward High700.6
Predominantly Upwind703.3
Predominantly Downwind682.7
Predominantly Reaching642.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6796
Triple Number Coastal/Long Distance Medium0.9225
Triple Number Coastal/Long Distance High1.0441
Triple Number Windward/Leeward Low0.5238
Triple Number Windward/Leeward Medium0.7373
Triple Number Windward/Leeward High0.8564
Coastal/Long Distance0.8343
Predominantly Upwind0.8531
Predominantly Downwind0.8789
For information
General Purpose Handicap (GPH)745.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9133
Distanseseilas Trippeltall svak vind0.6796
Distanseseilas Trippeltall mellomvind0.9225
Distanseseilas Trippeltall sterk vind1.0441
Pølsebane Trippeltall svak vind0.5238
Pølsebane Trippeltall mellomvind0.7373
Pølsebane Trippeltall sterk vind0.8564
Motvind Singeltall0.8531
Medvind Singeltall0.8789
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Coastal/Long Distance719.20.8343
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind703.30.8531
Predominantly Downwind682.70.8789
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore671.80.8932
Cape Doctor Coastal547.41.0960
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6796
Triple Number Coastal/Long Distance Medium0.9225
Triple Number Coastal/Long Distance High1.0441
Triple Number Windward/Leeward Low0.5238
Triple Number Windward/Leeward Medium0.7373
Triple Number Windward/Leeward High0.8564
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6796
Triple Number Coastal/Long Distance Medium0.9225
Triple Number Coastal/Long Distance High1.0441
Triple Number Windward/Leeward Low0.5238
Triple Number Windward/Leeward Medium0.7373
Triple Number Windward/Leeward High0.8564
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Predominantly Upwind703.30.8531
Predominantly Downwind682.70.8789
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance719.20.8343
Triple Number Coastal/Long Distance Low882.90.6796
Triple Number Coastal/Long Distance Medium650.40.9225
Triple Number Coastal/Long Distance High574.71.0441
Triple Number Windward/Leeward Low1145.50.5238
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2040.21297.6943.7769.5674.6623.0583.8521.2506.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low882.80.6796
Triple Number AP Medium650.50.9223
Triple Number AP High574.61.0441
Triple Number Windward/Leeward Low1204.90.4980
Triple Number Windward/Leeward Medium813.80.7373
Triple Number Windward/Leeward High700.60.8564
Single Number Predominant Upwind737.80.8132
Single Number Predominant Reaching658.10.9117
Single Number Predominant Downwind723.20.8297
Predominant Upwind - Low1045.20.5740
Predominant Upwind - Low/Med771.80.7774
Predominant Upwind - Medium677.80.8853
Predominant Upwind - Med/High638.10.9402
Predominant Upwind - High626.80.9573
Predominant Downwind Low1147.10.5230
Predominant Downwind Low/Med800.20.7498
Predominant Downwind Medium652.30.9198
Predominant Downwind Med/High564.31.0633
Predominant Downwind High517.91.1585
Predominant Reaching Low972.60.6169
Predominant Reaching Low/Med706.00.8498
Predominant Reaching Medium602.60.9957
Predominant Reaching Med/High546.91.0972
Predominant Reaching High518.41.1574
SA/DSPL Upwind22.95SA/DSPL Downwind22.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low1365.80.4393
5-Band Windward/Leeward Low/Med961.00.6244
5-Band Windward/Leeward Medium798.40.7515
5-Band Windward/Leeward Med/High710.80.8441
5-Band Windward/Leeward High679.00.8836
Windward/Leeward 60-40 Low1346.80.4455
Windward/Leeward 60-40 Low/Med958.80.6258
Windward/Leeward 60-40 Medium809.80.7409
Windward/Leeward 60-40 Med/High735.30.8160
Windward/Leeward 60-40 High712.10.8426
5-Band AP Low1009.60.5943
5-Band AP Low/Med752.10.7978
5-Band AP Medium640.30.9370
5-Band AP Med/High582.31.0303
5-Band AP High556.81.0776
5-Band SF Bay Tour - Low1156.50.5188
5-Band SF Bay Tour - Low/Med914.30.6563
5-Band SF Bay Tour - Medium768.50.7807
5-Band SF Bay Tour - Med/High694.00.8645
5-Band SF Bay Tour - High666.00.9009
Chicago-Mac Upwind0.7896
Chicago-Mac All Purpose0.7964
Chicago-Mac Downwind0.7935
Bayview-Mac Cove Island0.5564
Bayview-Mac Shore0.5630
Harvest Moon Regatta554.91.0812
Double HandedClub Certificate2025
StregaRSA-045
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassR.C.O.D.Measurement22/01/2019HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.050Max. Beam2.130Draft1.824Displacement1,799Wetted area15.04IMS L8.005LSM08.056Acc. length6.923Sink (kg/mm) 10.30
VCGD-0.126VCGM-0.150RM Rated (kg·m) 31.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P8.630IG7.890ISP7.910MDT10.090MDL10.120MDT2MDL2TLNo TaperMWGO
E3.510J3.010BAS0.970FSDSFJ1.050SPL3.410WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/01/2019
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
StregaRSA-045
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.050.641.212.132.8717.25
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.070.541.042.083.234.417.79NoNo 16.7627/12/2021