Non Spin/HSFClub Certificate2025
GambitRSA-665
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 Angles44.9°44.9°43.6°42.3°41.4°40.6°39.9°39.7°40.7°
Beat VMG1.762.483.103.553.904.184.364.444.35
52°2.773.854.725.335.776.076.266.386.35
60°2.984.094.955.575.996.266.446.596.59
75°3.104.245.115.766.176.446.636.886.98
90°3.004.135.025.706.176.476.697.027.27
110°2.663.784.745.516.086.456.727.187.58
120°2.503.594.565.335.936.356.647.127.57
135°2.183.194.144.925.576.076.426.937.39
150°1.872.793.674.455.115.696.136.707.15
Run VMG1.622.423.203.944.615.205.726.446.91
Gybe Angles153.2°153.2°157.3°177.5°178.0°178.4°178.9°179.5°179.8°
APH ToD:724.5CDL: 6.502APH ToT: 0.8281CertNo:ZAN285
BOAT
ClassMuiraDesignerOswald BerckemeyerBuilderNebe BoatbuildersAge date01/1985Series date01/1978Offset filesa92033.offData fileRSA665
HULL
Length Overall9.330 mMaximum Beam3.148 mDraft1.722 mDisplacement4,100 kgDLR8.9238IMS DivisionCruiser/RacerDynamic Allowance0.540%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeSolid 2 bladesDiameter0.350m
CREW
Maximum weight476 kg(default)Minimum weight346 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.1018.31Headsail Luffed22.5622.56Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.58Storm Jib6.58Heavy Weather Jib17.75
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
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.
Non Spin/HSFClub Certificate2025
GambitRSA-665
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 VMG2050.11449.41163.01015.5923.9861.8826.1811.2827.9
52°1299.9934.8763.5675.7623.7592.6575.1564.3566.9
60°1208.7880.5727.7646.7601.2574.9559.2546.4546.2
75°1160.8849.5704.4624.9583.1559.1543.1522.9515.9
90°1198.4870.9716.6631.5583.8556.8537.9512.5495.1
110°1353.3952.6758.9653.9592.4558.0535.6501.3474.9
120°1440.51002.4790.1676.0606.8567.2542.5505.5475.5
135°1653.91127.2870.3732.4646.8592.8560.4519.8487.3
150°1923.51292.0981.0809.2704.1633.1587.1537.4503.6
Run VMG2222.01487.61123.4913.9781.6692.7629.4558.7520.8
Selected Courses
Windward / Leeward2133.91468.51143.2964.7852.7777.2727.7685.0674.3
All purpose1613.11128.4893.5766.8690.2641.3610.4580.2567.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward899.00.6674
All purpose724.50.8281
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5957
Downwind "popa"0.6788
70% up, 30% down "Ilhabela"0.6184
30% up, 70% down "Ilhabela-inverso"0.6515
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Predominantly Upwind776.80.7724
Predominantly Downwind754.30.7955
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low1010.90.5935
Triple Number AP Medium720.60.8327
Triple Number AP High606.80.9888
Triple Number Windward/Leeward Low1371.00.4376
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Single Number Predominant Upwind814.00.7371
Single Number Predominant Reaching730.00.8219
Single Number Predominant Downwind797.30.7526
Predominant Upwind - Low1218.20.4925
Predominant Upwind - Low/Med886.90.6765
Predominant Upwind - Medium743.30.8073
Predominant Upwind - Med/High660.10.9089
Predominant Upwind - High633.60.9470
Predominant Downwind Low1279.40.4690
Predominant Downwind Low/Med891.90.6727
Predominant Downwind Medium717.20.8366
Predominant Downwind Med/High609.60.9842
Predominant Downwind High562.51.0666
Predominant Reaching Low1107.50.5417
Predominant Reaching Low/Med799.90.7501
Predominant Reaching Medium665.50.9016
Predominant Reaching Med/High586.81.0226
Predominant Reaching High553.71.0836
SA/DSPL Upwind15.80SA/DSPL Downwind15.80
Scoring OptionTODTOT
5-Band Windward/Leeward Low1554.10.3861
5-Band Windward/Leeward Low/Med1085.30.5528
5-Band Windward/Leeward Medium872.50.6877
5-Band Windward/Leeward Med/High739.50.8114
5-Band Windward/Leeward High690.50.8689
Windward/Leeward 60-40 Low1548.80.3874
Windward/Leeward 60-40 Low/Med1091.80.5495
Windward/Leeward 60-40 Medium886.10.6771
Windward/Leeward 60-40 Med/High759.20.7904
Windward/Leeward 60-40 High715.80.8383
5-Band AP Low1145.10.5240
5-Band AP Low/Med853.40.7030
5-Band AP Medium705.00.8510
5-Band AP Med/High617.20.9721
5-Band AP High583.21.0289
5-Band SF Bay Tour - Low1325.80.4526
5-Band SF Bay Tour - Low/Med1038.80.5776
5-Band SF Bay Tour - Medium843.30.7115
5-Band SF Bay Tour - Med/High723.70.8291
5-Band SF Bay Tour - High681.20.8808
Chicago-Mac Upwind0.7057
Chicago-Mac All Purpose0.7158
Chicago-Mac Downwind0.7177
Bayview-Mac Cove Island0.4933
Bayview-Mac Shore0.4982
Harvest Moon Regatta615.70.9746
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance792.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating792.90.7567
FinRating, kevyt tuuli1534.30.6518
FinRating, kova tuuli588.50.8497
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7567
Triple Number Coastal/Long Distance Low0.5935
Triple Number Coastal/Long Distance Medium0.8328
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.4595
Triple Number Windward/Leeward Medium0.6701
Triple Number Windward/Leeward High0.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
For information
General Purpose Handicap (GPH)828.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low1011.0
Triple Number Coastal/Long Distance Medium720.5
Triple Number Coastal/Long Distance High606.8
Triple Number Windward/Leeward Low1305.8
Triple Number Windward/Leeward Medium895.4
Triple Number Windward/Leeward High724.1
Predominantly Upwind776.8
Predominantly Downwind754.3
Predominantly Reaching714.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5935
Triple Number Coastal/Long Distance Medium0.8328
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.4595
Triple Number Windward/Leeward Medium0.6701
Triple Number Windward/Leeward High0.8286
Coastal/Long Distance0.7567
Predominantly Upwind0.7724
Predominantly Downwind0.7955
For information
General Purpose Handicap (GPH)828.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8281
Distanseseilas Trippeltall svak vind0.5935
Distanseseilas Trippeltall mellomvind0.8328
Distanseseilas Trippeltall sterk vind0.9888
Pølsebane Trippeltall svak vind0.4595
Pølsebane Trippeltall mellomvind0.6701
Pølsebane Trippeltall sterk vind0.8286
Motvind Singeltall0.7724
Medvind Singeltall0.7955
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Coastal/Long Distance792.90.7567
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind776.80.7724
Predominantly Downwind754.30.7955
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore677.50.8856
Cape Doctor Coastal571.21.0504
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5935
Triple Number Coastal/Long Distance Medium0.8328
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.4595
Triple Number Windward/Leeward Medium0.6701
Triple Number Windward/Leeward High0.8286
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5935
Triple Number Coastal/Long Distance Medium0.8328
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.4595
Triple Number Windward/Leeward Medium0.6701
Triple Number Windward/Leeward High0.8286
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Predominantly Upwind776.80.7724
Predominantly Downwind754.30.7955
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance792.90.7567
Triple Number Coastal/Long Distance Low1011.00.5935
Triple Number Coastal/Long Distance Medium720.50.8328
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1305.80.4595
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2288.71470.41075.3867.3739.6666.5617.2556.2539.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low1010.90.5935
Triple Number AP Medium720.60.8327
Triple Number AP High606.80.9888
Triple Number Windward/Leeward Low1371.00.4376
Triple Number Windward/Leeward Medium895.40.6701
Triple Number Windward/Leeward High724.10.8286
Single Number Predominant Upwind814.00.7371
Single Number Predominant Reaching730.00.8219
Single Number Predominant Downwind797.30.7526
Predominant Upwind - Low1218.20.4925
Predominant Upwind - Low/Med886.90.6765
Predominant Upwind - Medium743.30.8073
Predominant Upwind - Med/High660.10.9089
Predominant Upwind - High633.60.9470
Predominant Downwind Low1279.40.4690
Predominant Downwind Low/Med891.90.6727
Predominant Downwind Medium717.20.8366
Predominant Downwind Med/High609.60.9842
Predominant Downwind High562.51.0666
Predominant Reaching Low1107.50.5417
Predominant Reaching Low/Med799.90.7501
Predominant Reaching Medium665.50.9016
Predominant Reaching Med/High586.81.0226
Predominant Reaching High553.71.0836
SA/DSPL Upwind15.80SA/DSPL Downwind15.80
Scoring OptionTODTOT
5-Band Windward/Leeward Low1554.10.3861
5-Band Windward/Leeward Low/Med1085.30.5528
5-Band Windward/Leeward Medium872.50.6877
5-Band Windward/Leeward Med/High739.50.8114
5-Band Windward/Leeward High690.50.8689
Windward/Leeward 60-40 Low1548.80.3874
Windward/Leeward 60-40 Low/Med1091.80.5495
Windward/Leeward 60-40 Medium886.10.6771
Windward/Leeward 60-40 Med/High759.20.7904
Windward/Leeward 60-40 High715.80.8383
5-Band AP Low1145.10.5240
5-Band AP Low/Med853.40.7030
5-Band AP Medium705.00.8510
5-Band AP Med/High617.20.9721
5-Band AP High583.21.0289
5-Band SF Bay Tour - Low1325.80.4526
5-Band SF Bay Tour - Low/Med1038.80.5776
5-Band SF Bay Tour - Medium843.30.7115
5-Band SF Bay Tour - Med/High723.70.8291
5-Band SF Bay Tour - High681.20.8808
Chicago-Mac Upwind0.7057
Chicago-Mac All Purpose0.7158
Chicago-Mac Downwind0.7177
Bayview-Mac Cove Island0.4933
Bayview-Mac Shore0.4982
Harvest Moon Regatta615.70.9746
Non Spin/HSFClub Certificate2025
GambitRSA-665
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMuiraMeasurement31/05/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.330Max. Beam3.148Draft1.722Displacement4,100Wetted area20.33IMS L7.780LSM07.716Acc. length9.330Sink (kg/mm) 14.27
VCGD0.118VCGM0.168RM Rated (kg·m) 69.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight476Declared crew weightN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBW0.140PIPA0.0128
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstaysCheckstaysSpreaders1Rotating mastNo
P10.090IG11.465ISP11.675MDT10.120MDL10.180MDT2MDL2TLMWGO
E3.160J3.880BAS1.455FSDSFJSPL3.550WPLTPSBD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date10/06/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
GambitRSA-665
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.120.611.081.892.5618.1031/05/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.080.480.931.933.084.3111.04NoNo 22.5631/05/2025
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.