Club Certificate2025
Red KingNED 8950
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 Angles44.0°44.0°41.9°40.6°40.1°40.4°40.4°41.3°42.9°
Beat VMG2.022.783.383.794.064.194.244.244.13
52°3.174.265.045.575.896.066.156.206.16
60°3.354.485.265.776.076.246.346.416.41
75°3.454.655.516.026.276.436.566.706.77
90°3.624.885.766.246.516.676.806.947.03
110°3.594.885.826.346.656.887.087.387.66
120°3.404.715.726.296.636.897.117.567.94
135°3.074.295.306.076.486.787.067.598.14
150°2.603.714.705.576.176.526.807.327.89
Run VMG2.243.224.084.845.515.996.356.877.34
Gybe Angles148.2°148.2°152.3°153.6°161.7°167.8°176.3°178.1°177.7°
APH ToD:660.0CDL: 6.589APH ToT: 0.9091CertNo:
BOAT
ClassContest 31 HTDesignerD. ZaalBuilderConyplexAge date01/1974Series date01/1974Offset fileH020.bofData fileNED8950
HULL
Length Overall9.383 mMaximum Beam3.022 mDraft1.735 mDisplacement4,760 kgDLR12.1949IMS DivisionDynamic Allowance0.650%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight440 kg(default)Minimum weight310 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.5018.06Headsail Luffed26.3726.37Headsail FlyingSymmetric74.9674.96Asymmetric50.7859.97 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail4.99Storm Jib6.73Heavy Weather Jib18.17
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
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.
Club Certificate2025
Red KingNED 8950
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 VMG1784.51292.81064.2948.9886.8859.3848.6848.7871.6
52°1136.2844.6714.0646.4611.1593.7585.5580.7584.1
60°1074.0803.2683.8623.5592.7576.6567.8561.4561.4
75°1042.6773.5653.9598.5574.3559.5548.9537.3532.0
90°993.6737.3625.0576.5553.3539.3529.8519.0512.3
110°1003.1737.1618.7568.1541.8523.0508.4487.8469.9
120°1060.0764.5629.5572.1543.3522.9506.0476.4453.5
135°1172.5839.1679.0593.4555.5530.9510.2474.6442.4
150°1383.3969.4765.3646.9583.4551.8529.4491.9456.5
Run VMG1604.51119.4881.7744.0653.5600.9566.7523.8490.4
Selected Courses
Windward / Leeward1693.61206.1973.0846.5770.2730.1707.7686.3681.0
All purpose1288.6932.5766.2681.0634.4609.6594.5576.8568.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward809.00.7416
All purpose660.00.9091
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6223
Downwind "popa"0.8251
70% up, 30% down "Ilhabela"0.6718
30% up, 70% down "Ilhabela-inverso"0.7516
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Predominantly Upwind723.90.8289
Predominantly Downwind655.60.9152
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low849.30.7064
Triple Number AP Medium654.80.9163
Triple Number AP High591.71.0141
Triple Number Windward/Leeward Low1137.40.5275
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Single Number Predominant Upwind754.70.7950
Single Number Predominant Reaching653.10.9187
Single Number Predominant Downwind685.40.8754
Predominant Upwind - Low1043.20.5752
Predominant Upwind - Low/Med796.80.7531
Predominant Upwind - Medium699.90.8573
Predominant Upwind - Med/High655.00.9161
Predominant Upwind - High643.00.9331
Predominant Downwind Low1000.00.6000
Predominant Downwind Low/Med740.40.8104
Predominant Downwind Medium631.10.9507
Predominant Downwind Med/High569.91.0529
Predominant Downwind High539.91.1113
Predominant Reaching Low903.40.6642
Predominant Reaching Low/Med690.60.8688
Predominant Reaching Medium608.00.9868
Predominant Reaching Med/High565.21.0616
Predominant Reaching High545.61.0998
SA/DSPL Upwind15.43SA/DSPL Downwind32.51
Scoring OptionTODTOT
5-Band Windward/Leeward Low1269.90.4725
5-Band Windward/Leeward Low/Med932.80.6432
5-Band Windward/Leeward Medium787.90.7615
5-Band Windward/Leeward Med/High713.10.8414
5-Band Windward/Leeward High689.10.8708
Windward/Leeward 60-40 Low1287.60.4660
Windward/Leeward 60-40 Low/Med952.40.6300
Windward/Leeward 60-40 Medium811.20.7397
Windward/Leeward 60-40 Med/High741.20.8095
Windward/Leeward 60-40 High721.80.8313
5-Band AP Low933.40.6428
5-Band AP Low/Med741.20.8095
5-Band AP Medium645.70.9293
5-Band AP Med/High597.41.0043
5-Band AP High578.41.0374
5-Band SF Bay Tour - Low1101.60.5447
5-Band SF Bay Tour - Low/Med897.00.6689
5-Band SF Bay Tour - Medium766.00.7833
5-Band SF Bay Tour - Med/High700.70.8563
5-Band SF Bay Tour - High679.30.8832
Chicago-Mac Upwind0.7699
Chicago-Mac All Purpose0.8095
Chicago-Mac Downwind0.8454
Bayview-Mac Cove Island0.5921
Bayview-Mac Shore0.5958
Harvest Moon Regatta570.41.0519
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance717.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8368
Triple Number Coastal/Long Distance Low0.7064
Triple Number Coastal/Long Distance Medium0.9164
Triple Number Coastal/Long Distance High1.0141
Triple Number Windward/Leeward Low0.5507
Triple Number Windward/Leeward Medium0.7477
Triple Number Windward/Leeward High0.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
For information
General Purpose Handicap (GPH)740.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low849.4
Triple Number Coastal/Long Distance Medium654.7
Triple Number Coastal/Long Distance High591.7
Triple Number Windward/Leeward Low1089.5
Triple Number Windward/Leeward Medium802.5
Triple Number Windward/Leeward High705.2
Predominantly Upwind723.9
Predominantly Downwind655.6
Predominantly Reaching633.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7064
Triple Number Coastal/Long Distance Medium0.9164
Triple Number Coastal/Long Distance High1.0141
Triple Number Windward/Leeward Low0.5507
Triple Number Windward/Leeward Medium0.7477
Triple Number Windward/Leeward High0.8508
Coastal/Long Distance0.8368
Predominantly Upwind0.8289
Predominantly Downwind0.9152
For information
General Purpose Handicap (GPH)740.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9091
Distanseseilas Trippeltall svak vind0.7064
Distanseseilas Trippeltall mellomvind0.9164
Distanseseilas Trippeltall sterk vind1.0141
Pølsebane Trippeltall svak vind0.5507
Pølsebane Trippeltall mellomvind0.7477
Pølsebane Trippeltall sterk vind0.8508
Motvind Singeltall0.8289
Medvind Singeltall0.9152
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Coastal/Long Distance717.00.8368
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind723.90.8289
Predominantly Downwind655.60.9152
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore682.60.8790
Cape Doctor Coastal570.81.0512
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7064
Triple Number Coastal/Long Distance Medium0.9164
Triple Number Coastal/Long Distance High1.0141
Triple Number Windward/Leeward Low0.5507
Triple Number Windward/Leeward Medium0.7477
Triple Number Windward/Leeward High0.8508
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7064
Triple Number Coastal/Long Distance Medium0.9164
Triple Number Coastal/Long Distance High1.0141
Triple Number Windward/Leeward Low0.5507
Triple Number Windward/Leeward Medium0.7477
Triple Number Windward/Leeward High0.8508
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Predominantly Upwind723.90.8289
Predominantly Downwind655.60.9152
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance717.00.8368
Triple Number Coastal/Long Distance Low849.40.7064
Triple Number Coastal/Long Distance Medium654.70.9164
Triple Number Coastal/Long Distance High591.71.0141
Triple Number Windward/Leeward Low1089.50.5507
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1780.41197.4913.5764.2677.3632.5600.0549.7538.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low849.30.7064
Triple Number AP Medium654.80.9163
Triple Number AP High591.71.0141
Triple Number Windward/Leeward Low1137.40.5275
Triple Number Windward/Leeward Medium802.50.7477
Triple Number Windward/Leeward High705.20.8508
Single Number Predominant Upwind754.70.7950
Single Number Predominant Reaching653.10.9187
Single Number Predominant Downwind685.40.8754
Predominant Upwind - Low1043.20.5752
Predominant Upwind - Low/Med796.80.7531
Predominant Upwind - Medium699.90.8573
Predominant Upwind - Med/High655.00.9161
Predominant Upwind - High643.00.9331
Predominant Downwind Low1000.00.6000
Predominant Downwind Low/Med740.40.8104
Predominant Downwind Medium631.10.9507
Predominant Downwind Med/High569.91.0529
Predominant Downwind High539.91.1113
Predominant Reaching Low903.40.6642
Predominant Reaching Low/Med690.60.8688
Predominant Reaching Medium608.00.9868
Predominant Reaching Med/High565.21.0616
Predominant Reaching High545.61.0998
SA/DSPL Upwind15.43SA/DSPL Downwind32.51
Scoring OptionTODTOT
5-Band Windward/Leeward Low1269.90.4725
5-Band Windward/Leeward Low/Med932.80.6432
5-Band Windward/Leeward Medium787.90.7615
5-Band Windward/Leeward Med/High713.10.8414
5-Band Windward/Leeward High689.10.8708
Windward/Leeward 60-40 Low1287.60.4660
Windward/Leeward 60-40 Low/Med952.40.6300
Windward/Leeward 60-40 Medium811.20.7397
Windward/Leeward 60-40 Med/High741.20.8095
Windward/Leeward 60-40 High721.80.8313
5-Band AP Low933.40.6428
5-Band AP Low/Med741.20.8095
5-Band AP Medium645.70.9293
5-Band AP Med/High597.41.0043
5-Band AP High578.41.0374
5-Band SF Bay Tour - Low1101.60.5447
5-Band SF Bay Tour - Low/Med897.00.6689
5-Band SF Bay Tour - Medium766.00.7833
5-Band SF Bay Tour - Med/High700.70.8563
5-Band SF Bay Tour - High679.30.8832
Chicago-Mac Upwind0.7699
Chicago-Mac All Purpose0.8095
Chicago-Mac Downwind0.8454
Bayview-Mac Cove Island0.5921
Bayview-Mac Shore0.5958
Harvest Moon Regatta570.41.0519
Club Certificate2025
Red KingNED 8950
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassContest 31 HTMeasurementHINPlan reviewHull constructionLightCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.383Max. Beam3.022Draft1.735Displacement4,760Wetted area19.31IMS L7.508LSM07.307Acc. length9.383Sink (kg/mm) 13.02
VCGD-0.177VCGM-0.054RM Rated (kg·m) 60.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight440Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.405PBWPIPA0.0016
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P9.900IG11.600ISP11.800MDT10.180MDL10.210MDT2MDL2TLMWGO
E2.880J4.200BAS1.460FSD0.000SFJ0.000SPL4.090WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date09/04/2018
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Red KingNED 8950
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment117.50
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC4.200.00NoNo 26.37* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment10.0074.96
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment112.0010.0011.005.206.9075%50.78