Double HandedClub Certificate2025
Tam TamRSA-3810
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 Angles42.7°42.7°40.9°39.8°39.3°39.1°39.0°39.3°41.0°
Beat VMG2.663.674.434.804.975.065.115.144.99
52°4.125.566.567.007.187.277.337.397.35
60°4.365.846.817.257.427.517.587.667.65
75°4.536.016.967.457.707.847.958.128.18
90°4.405.876.877.457.818.088.308.588.77
110°4.025.576.777.497.948.278.518.919.27
120°3.855.366.577.367.888.368.819.419.92
135°3.344.745.956.927.568.068.589.7411.32
150°2.703.945.106.147.007.588.079.1110.45
Run VMG2.333.414.425.326.136.797.338.239.23
Gybe Angles144.7°144.7°148.9°151.0°156.5°163.5°169.1°170.0°164.5°
APH ToD:551.4CDL: 9.440APH ToT: 1.0881CertNo:ZAD174
BOAT
ClassSimonis 35DesignerAlex SimonisBuilderFred Scholtz MarineAge date01/1991Series date01/1990Offset fileBALFOREX.OFFData fileRSA3810
HULL
Length Overall10.770 mMaximum Beam3.540 mDraft2.037 mDisplacement4,643 kgDLR3.9763IMS DivisionPerformanceDynamic Allowance0.260%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerSailsCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.3337.04Headsail Luffed36.3336.33Headsail FlyingSymmetric72.9972.99Asymmetric
STORM SAIL AREAS (m²)
Trysail10.60Storm Jib6.79Heavy Weather Jib18.32
SAIL LIMITS
Headsails5Spinnakers4
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
Tam TamRSA-3810
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 VMG1353.4980.7813.5749.8723.8712.0704.5700.7720.7
52°874.8647.1548.8514.1501.6495.5491.3487.2489.9
60°824.9616.8528.6496.7485.3479.5475.2470.3470.9
75°793.9598.8517.0483.4467.5459.1453.0443.6440.4
90°819.1613.0523.9483.4461.0445.3433.9419.8410.3
110°896.1646.0531.4480.9453.6435.1423.1403.9388.4
120°934.8671.1547.9488.9456.8430.6408.8382.6362.9
135°1079.5760.0604.7520.2476.4446.5419.6369.7317.9
150°1335.3914.0705.9586.6514.2475.0446.3395.3344.4
Run VMG1542.51055.4815.1677.0587.1530.1491.5437.4390.2
Selected Courses
Windward / Leeward1446.51018.1814.3713.4655.4621.0598.0569.0555.5
All purpose1085.2778.7636.0568.7532.6510.9495.4473.2459.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward684.10.8771
All purpose551.41.0881
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7799
Downwind "popa"0.9144
70% up, 30% down "Ilhabela"0.8159
30% up, 70% down "Ilhabela-inverso"0.8694
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Predominantly Upwind594.31.0096
Predominantly Downwind562.41.0669
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low707.40.8482
Triple Number AP Medium547.91.0952
Triple Number AP High490.91.2221
Triple Number Windward/Leeward Low959.30.6255
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Single Number Predominant Upwind617.90.9710
Single Number Predominant Reaching546.61.0978
Single Number Predominant Downwind589.31.0182
Predominant Upwind - Low835.10.7185
Predominant Upwind - Low/Med643.90.9318
Predominant Upwind - Medium577.51.0390
Predominant Upwind - Med/High544.91.1012
Predominant Upwind - High530.41.1312
Predominant Downwind Low883.50.6791
Predominant Downwind Low/Med643.70.9322
Predominant Downwind Medium541.81.1074
Predominant Downwind Med/High478.01.2552
Predominant Downwind High439.11.3664
Predominant Reaching Low762.60.7868
Predominant Reaching Low/Med580.81.0331
Predominant Reaching Medium510.31.1759
Predominant Reaching Med/High468.21.2815
Predominant Reaching High442.61.3556
SA/DSPL Upwind25.97SA/DSPL Downwind39.08
Scoring OptionTODTOT
5-Band Windward/Leeward Low1074.60.5583
5-Band Windward/Leeward Low/Med785.30.7641
5-Band Windward/Leeward Medium667.80.8985
5-Band Windward/Leeward Med/High601.80.9970
5-Band Windward/Leeward High571.71.0495
Windward/Leeward 60-40 Low1066.10.5628
Windward/Leeward 60-40 Low/Med788.70.7607
Windward/Leeward 60-40 Medium680.60.8816
Windward/Leeward 60-40 Med/High622.80.9634
Windward/Leeward 60-40 High598.31.0028
5-Band AP Low789.90.7596
5-Band AP Low/Med618.00.9708
5-Band AP Medium540.41.1102
5-Band AP Med/High497.41.2063
5-Band AP High474.71.2640
5-Band SF Bay Tour - Low918.30.6534
5-Band SF Bay Tour - Low/Med748.20.8020
5-Band SF Bay Tour - Medium643.90.9318
5-Band SF Bay Tour - Med/High587.01.0222
5-Band SF Bay Tour - High559.71.0721
Chicago-Mac Upwind0.9443
Chicago-Mac All Purpose0.9653
Chicago-Mac Downwind0.9781
Bayview-Mac Cove Island0.7020
Bayview-Mac Shore0.7091
Harvest Moon Regatta472.61.2695
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance601.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9979
Triple Number Coastal/Long Distance Low0.8482
Triple Number Coastal/Long Distance Medium1.0953
Triple Number Coastal/Long Distance High1.2221
Triple Number Windward/Leeward Low0.6549
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High1.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
For information
General Purpose Handicap (GPH)618.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low707.4
Triple Number Coastal/Long Distance Medium547.8
Triple Number Coastal/Long Distance High491.0
Triple Number Windward/Leeward Low916.2
Triple Number Windward/Leeward Medium679.3
Triple Number Windward/Leeward High592.9
Predominantly Upwind594.3
Predominantly Downwind562.4
Predominantly Reaching535.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8482
Triple Number Coastal/Long Distance Medium1.0953
Triple Number Coastal/Long Distance High1.2221
Triple Number Windward/Leeward Low0.6549
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High1.0120
Coastal/Long Distance0.9979
Predominantly Upwind1.0096
Predominantly Downwind1.0669
For information
General Purpose Handicap (GPH)618.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0881
Distanseseilas Trippeltall svak vind0.8482
Distanseseilas Trippeltall mellomvind1.0953
Distanseseilas Trippeltall sterk vind1.2221
Pølsebane Trippeltall svak vind0.6549
Pølsebane Trippeltall mellomvind0.8832
Pølsebane Trippeltall sterk vind1.0120
Motvind Singeltall1.0096
Medvind Singeltall1.0669
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Coastal/Long Distance601.30.9979
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind594.31.0096
Predominantly Downwind562.41.0669
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore559.51.0723
Cape Doctor Coastal463.61.2941
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8482
Triple Number Coastal/Long Distance Medium1.0953
Triple Number Coastal/Long Distance High1.2221
Triple Number Windward/Leeward Low0.6549
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High1.0120
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8482
Triple Number Coastal/Long Distance Medium1.0953
Triple Number Coastal/Long Distance High1.2221
Triple Number Windward/Leeward Low0.6549
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High1.0120
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Predominantly Upwind594.31.0096
Predominantly Downwind562.41.0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.30.9979
Triple Number Coastal/Long Distance Low707.40.8482
Triple Number Coastal/Long Distance Medium547.81.0953
Triple Number Coastal/Long Distance High491.01.2221
Triple Number Windward/Leeward Low916.20.6549
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1553.91021.8766.8642.1569.7530.5498.9450.5436.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low707.40.8482
Triple Number AP Medium547.91.0952
Triple Number AP High490.91.2221
Triple Number Windward/Leeward Low959.30.6255
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High592.91.0120
Single Number Predominant Upwind617.90.9710
Single Number Predominant Reaching546.61.0978
Single Number Predominant Downwind589.31.0182
Predominant Upwind - Low835.10.7185
Predominant Upwind - Low/Med643.90.9318
Predominant Upwind - Medium577.51.0390
Predominant Upwind - Med/High544.91.1012
Predominant Upwind - High530.41.1312
Predominant Downwind Low883.50.6791
Predominant Downwind Low/Med643.70.9322
Predominant Downwind Medium541.81.1074
Predominant Downwind Med/High478.01.2552
Predominant Downwind High439.11.3664
Predominant Reaching Low762.60.7868
Predominant Reaching Low/Med580.81.0331
Predominant Reaching Medium510.31.1759
Predominant Reaching Med/High468.21.2815
Predominant Reaching High442.61.3556
SA/DSPL Upwind25.97SA/DSPL Downwind39.08
Scoring OptionTODTOT
5-Band Windward/Leeward Low1074.60.5583
5-Band Windward/Leeward Low/Med785.30.7641
5-Band Windward/Leeward Medium667.80.8985
5-Band Windward/Leeward Med/High601.80.9970
5-Band Windward/Leeward High571.71.0495
Windward/Leeward 60-40 Low1066.10.5628
Windward/Leeward 60-40 Low/Med788.70.7607
Windward/Leeward 60-40 Medium680.60.8816
Windward/Leeward 60-40 Med/High622.80.9634
Windward/Leeward 60-40 High598.31.0028
5-Band AP Low789.90.7596
5-Band AP Low/Med618.00.9708
5-Band AP Medium540.41.1102
5-Band AP Med/High497.41.2063
5-Band AP High474.71.2640
5-Band SF Bay Tour - Low918.30.6534
5-Band SF Bay Tour - Low/Med748.20.8020
5-Band SF Bay Tour - Medium643.90.9318
5-Band SF Bay Tour - Med/High587.01.0222
5-Band SF Bay Tour - High559.71.0721
Chicago-Mac Upwind0.9443
Chicago-Mac All Purpose0.9653
Chicago-Mac Downwind0.9781
Bayview-Mac Cove Island0.7020
Bayview-Mac Shore0.7091
Harvest Moon Regatta472.61.2695
Double HandedClub Certificate2025
Tam TamRSA-3810
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSimonis 35Measurement05/11/2018HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.770Max. Beam3.540Draft2.037Displacement4,643Wetted area25.39IMS L10.366LSM010.529Acc. length10.770Sink (kg/mm) 19.86
VCGD0.072VCGM0.061RM Rated (kg·m) 116.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBW0.136PIPA0.0033
EDL0.575ST10.035ST20.180
ST30.180ST40.110ST50.270
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P13.340IG12.224ISP12.542MDT10.130MDL10.185MDT2MDL2TLTaperMW0.185GO
E4.540J3.740BAS1.564FSD0.034SFJ0.000SPL3.810WPLTPSBD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date10/12/1991
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Tam TamRSA-3810
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.981.732.9236.3303/07/2014
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.761.462.915.8412.38NoNo 36.3303/07/2014
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment112.4712.4712.477.066.8872.9903/07/2014IRC