Double HandedClub Certificate2025
HumdingerRSA-2134
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 Angles44.3°44.3°42.0°41.1°40.4°39.7°39.3°39.6°41.2°
Beat VMG2.012.793.403.844.174.384.464.454.31
52°3.174.285.095.676.046.246.346.386.31
60°3.384.525.325.876.216.406.516.586.56
75°3.504.685.506.046.356.566.706.886.94
90°3.434.615.466.036.376.596.777.057.24
110°2.994.165.125.866.316.606.827.257.66
120°2.813.974.945.706.226.546.777.227.72
135°2.433.524.505.295.916.336.617.067.55
150°2.043.033.974.775.445.986.366.847.28
Run VMG1.762.623.454.184.845.435.946.576.99
Gybe Angles148.9°148.9°153.2°160.2°168.5°172.7°177.2°179.5°179.5°
APH ToD:685.3CDL: 7.005APH ToT: 0.8756CertNo:ZAD068
BOAT
ClassAstove 30DesignerLavranosBuilderAge date01/1996Series date01/1993Offset fileAstove 30_DV.offData fileRSA2134
HULL
Length Overall9.190 mMaximum Beam3.012 mDraft1.660 mDisplacement4,243 kgDLR7.8432IMS DivisionPerformanceDynamic Allowance0.510%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.320m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.8718.06Headsail Luffed24.9924.99Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.66Storm Jib6.17Heavy Weather Jib16.64
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers0
✱ 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
HumdingerRSA-2134
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 VMG1789.91292.01058.8937.6863.8822.2807.4808.9835.7
52°1135.2841.1707.4635.3596.2576.6567.7564.5570.2
60°1066.4796.6676.4612.9580.1562.5553.4547.0548.8
75°1027.4768.6654.2595.9566.7549.0537.3523.6518.9
90°1050.6781.1659.8596.5565.3546.3532.0510.7497.3
110°1203.9864.6702.5614.6570.1545.6527.7496.8469.9
120°1279.7907.8728.5631.0578.6550.7531.5498.6466.5
135°1479.91021.6799.3681.0608.7568.6544.8510.2476.8
150°1765.71189.1907.2755.3661.9601.6566.4526.5494.5
Run VMG2039.81373.11044.5860.3743.2662.4606.5548.3515.1
Selected Courses
Windward / Leeward1911.31332.51051.6899.0803.5742.3707.0678.6675.4
All purpose1434.41020.8823.0717.0654.9617.9596.9575.6566.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward845.70.7095
All purpose685.30.8756
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6373
Downwind "popa"0.7194
70% up, 30% down "Ilhabela"0.6599
30% up, 70% down "Ilhabela-inverso"0.6926
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Predominantly Upwind732.20.8195
Predominantly Downwind711.00.8439
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low921.90.6508
Triple Number AP Medium680.50.8818
Triple Number AP High594.11.0099
Triple Number Windward/Leeward Low1249.10.4803
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Single Number Predominant Upwind764.10.7852
Single Number Predominant Reaching687.50.8728
Single Number Predominant Downwind749.50.8005
Predominant Upwind - Low1092.40.5492
Predominant Upwind - Low/Med818.60.7329
Predominant Upwind - Medium703.50.8528
Predominant Upwind - Med/High644.70.9307
Predominant Upwind - High629.90.9526
Predominant Downwind Low1162.20.5163
Predominant Downwind Low/Med827.20.7253
Predominant Downwind Medium679.50.8830
Predominant Downwind Med/High592.11.0133
Predominant Downwind High554.51.0820
Predominant Reaching Low997.30.6016
Predominant Reaching Low/Med740.90.8098
Predominant Reaching Medium633.00.9478
Predominant Reaching Med/High573.71.0458
Predominant Reaching High548.71.0936
SA/DSPL Upwind16.27SA/DSPL Downwind16.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1407.90.4262
5-Band Windward/Leeward Low/Med1002.60.5985
5-Band Windward/Leeward Medium821.70.7302
5-Band Windward/Leeward Med/High716.30.8377
5-Band Windward/Leeward High682.90.8785
Windward/Leeward 60-40 Low1397.90.4292
Windward/Leeward 60-40 Low/Med1006.40.5962
Windward/Leeward 60-40 Medium833.50.7198
Windward/Leeward 60-40 Med/High736.00.8152
Windward/Leeward 60-40 High709.00.8463
5-Band AP Low1036.20.5790
5-Band AP Low/Med789.90.7596
5-Band AP Medium668.20.8979
5-Band AP Med/High601.70.9972
5-Band AP High577.71.0387
5-Band SF Bay Tour - Low1202.90.4988
5-Band SF Bay Tour - Low/Med957.70.6265
5-Band SF Bay Tour - Medium793.50.7562
5-Band SF Bay Tour - Med/High701.60.8552
5-Band SF Bay Tour - High674.00.8902
Chicago-Mac Upwind0.7566
Chicago-Mac All Purpose0.7659
Chicago-Mac Downwind0.7668
Bayview-Mac Cove Island0.5422
Bayview-Mac Shore0.5479
Harvest Moon Regatta592.51.0127
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance748.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8015
Triple Number Coastal/Long Distance Low0.6508
Triple Number Coastal/Long Distance Medium0.8819
Triple Number Coastal/Long Distance High1.0099
Triple Number Windward/Leeward Low0.5033
Triple Number Windward/Leeward Medium0.7137
Triple Number Windward/Leeward High0.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
For information
General Purpose Handicap (GPH)777.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low921.9
Triple Number Coastal/Long Distance Medium680.3
Triple Number Coastal/Long Distance High594.1
Triple Number Windward/Leeward Low1192.1
Triple Number Windward/Leeward Medium840.7
Triple Number Windward/Leeward High705.1
Predominantly Upwind732.2
Predominantly Downwind711.0
Predominantly Reaching674.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6508
Triple Number Coastal/Long Distance Medium0.8819
Triple Number Coastal/Long Distance High1.0099
Triple Number Windward/Leeward Low0.5033
Triple Number Windward/Leeward Medium0.7137
Triple Number Windward/Leeward High0.8509
Coastal/Long Distance0.8015
Predominantly Upwind0.8195
Predominantly Downwind0.8439
For information
General Purpose Handicap (GPH)777.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8756
Distanseseilas Trippeltall svak vind0.6508
Distanseseilas Trippeltall mellomvind0.8819
Distanseseilas Trippeltall sterk vind1.0099
Pølsebane Trippeltall svak vind0.5033
Pølsebane Trippeltall mellomvind0.7137
Pølsebane Trippeltall sterk vind0.8509
Motvind Singeltall0.8195
Medvind Singeltall0.8439
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Coastal/Long Distance748.60.8015
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind732.20.8195
Predominantly Downwind711.00.8439
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore676.40.8871
Cape Doctor Coastal569.11.0543
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6508
Triple Number Coastal/Long Distance Medium0.8819
Triple Number Coastal/Long Distance High1.0099
Triple Number Windward/Leeward Low0.5033
Triple Number Windward/Leeward Medium0.7137
Triple Number Windward/Leeward High0.8509
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6508
Triple Number Coastal/Long Distance Medium0.8819
Triple Number Coastal/Long Distance High1.0099
Triple Number Windward/Leeward Low0.5033
Triple Number Windward/Leeward Medium0.7137
Triple Number Windward/Leeward High0.8509
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Predominantly Upwind732.20.8195
Predominantly Downwind711.00.8439
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance748.60.8015
Triple Number Coastal/Long Distance Low921.90.6508
Triple Number Coastal/Long Distance Medium680.30.8819
Triple Number Coastal/Long Distance High594.11.0099
Triple Number Windward/Leeward Low1192.10.5033
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2053.61336.6989.9809.4700.2641.7603.9551.9537.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low921.90.6508
Triple Number AP Medium680.50.8818
Triple Number AP High594.11.0099
Triple Number Windward/Leeward Low1249.10.4803
Triple Number Windward/Leeward Medium840.70.7137
Triple Number Windward/Leeward High705.10.8509
Single Number Predominant Upwind764.10.7852
Single Number Predominant Reaching687.50.8728
Single Number Predominant Downwind749.50.8005
Predominant Upwind - Low1092.40.5492
Predominant Upwind - Low/Med818.60.7329
Predominant Upwind - Medium703.50.8528
Predominant Upwind - Med/High644.70.9307
Predominant Upwind - High629.90.9526
Predominant Downwind Low1162.20.5163
Predominant Downwind Low/Med827.20.7253
Predominant Downwind Medium679.50.8830
Predominant Downwind Med/High592.11.0133
Predominant Downwind High554.51.0820
Predominant Reaching Low997.30.6016
Predominant Reaching Low/Med740.90.8098
Predominant Reaching Medium633.00.9478
Predominant Reaching Med/High573.71.0458
Predominant Reaching High548.71.0936
SA/DSPL Upwind16.27SA/DSPL Downwind16.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1407.90.4262
5-Band Windward/Leeward Low/Med1002.60.5985
5-Band Windward/Leeward Medium821.70.7302
5-Band Windward/Leeward Med/High716.30.8377
5-Band Windward/Leeward High682.90.8785
Windward/Leeward 60-40 Low1397.90.4292
Windward/Leeward 60-40 Low/Med1006.40.5962
Windward/Leeward 60-40 Medium833.50.7198
Windward/Leeward 60-40 Med/High736.00.8152
Windward/Leeward 60-40 High709.00.8463
5-Band AP Low1036.20.5790
5-Band AP Low/Med789.90.7596
5-Band AP Medium668.20.8979
5-Band AP Med/High601.70.9972
5-Band AP High577.71.0387
5-Band SF Bay Tour - Low1202.90.4988
5-Band SF Bay Tour - Low/Med957.70.6265
5-Band SF Bay Tour - Medium793.50.7562
5-Band SF Bay Tour - Med/High701.60.8552
5-Band SF Bay Tour - High674.00.8902
Chicago-Mac Upwind0.7566
Chicago-Mac All Purpose0.7659
Chicago-Mac Downwind0.7668
Bayview-Mac Cove Island0.5422
Bayview-Mac Shore0.5479
Harvest Moon Regatta592.51.0127
Double HandedClub Certificate2025
HumdingerRSA-2134
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAstove 30Measurement06/02/2017HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.190Max. Beam3.012Draft1.660Displacement4,243Wetted area19.76IMS L8.033LSM08.147Acc. length9.190Sink (kg/mm) 14.24
VCGD0.064VCGM0.021RM Rated (kg·m) 75.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.320PBWPIPA0.0014
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionFixedInner stayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P9.790IG11.100ISP11.250MDT10.100MDL10.180MDT2MDL2TLNo TaperMWGO
E3.300J3.630BAS1.350FSDFoilSFJSPL3.710WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date06/02/2017
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
HumdingerRSA-2134
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.621.111.912.5617.87
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.581.122.283.514.8010.68NoNo 24.99