Double HandedClub Certificate2025
Shutter SpeedNED 1690
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 Angles42.9°42.9°40.9°40.0°39.1°38.8°38.8°39.5°41.5°
Beat VMG2.283.143.814.294.534.624.654.624.45
52°3.534.765.646.216.486.586.636.666.59
60°3.745.015.876.396.656.786.836.886.84
75°3.905.186.046.536.817.007.127.247.27
90°4.085.466.376.736.917.097.297.587.73
110°4.205.616.547.007.327.527.697.998.25
120°4.075.486.466.967.347.697.988.418.83
135°3.554.946.036.707.127.527.928.9510.58
150°2.954.185.256.126.697.057.398.109.60
Run VMG2.553.624.545.305.836.246.587.168.31
Gybe Angles144.0°144.0°148.0°150.1°153.9°159.6°162.9°162.6°141.2°
APH ToD:600.1CDL: 7.673APH ToT: 0.9998CertNo:
BOAT
ClassWinner 900Designervd StadtBuilderWinnerAge date05/2016Series date01/2013Offset filewinn900.offData fileNED1690
HULL
Length Overall8.991 mMaximum Beam2.940 mDraft1.925 mDisplacement3,794 kgDLR6.8940IMS DivisionCruiser/RacerDynamic Allowance0.230%Age Allowance0.390%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.8828.33Headsail Luffed20.2420.24Headsail FlyingSymmetricAsymmetric78.9978.99 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.62Storm Jib6.75Heavy Weather Jib18.22
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
Shutter SpeedNED 1690
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 VMG1578.71146.1943.8840.1794.8779.9774.0778.6809.1
52°1019.5756.2638.1579.9555.8546.9542.7540.8546.5
60°961.5719.2613.3563.5541.2531.2526.8523.4526.0
75°923.3694.5596.4551.5528.5514.4505.3497.4495.3
90°883.1659.3565.3534.6521.0508.1493.9474.8465.9
110°857.6641.5550.1514.1491.6478.7468.0450.6436.6
120°885.3656.3557.2517.3490.4468.1451.0428.3407.8
135°1015.1729.2597.0537.2505.4479.0454.8402.1340.1
150°1220.3861.1686.1588.6538.4510.7487.4444.6375.2
Run VMG1409.6994.3792.2679.7617.1577.0547.2502.4433.2
Selected Courses
Windward / Leeward1493.71070.2868.0759.9705.9678.4660.6640.5621.2
All purpose1133.7825.7683.9614.7580.3561.1547.5529.0513.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward737.80.8132
All purpose600.10.9998
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6934
Downwind "popa"0.8917
70% up, 30% down "Ilhabela"0.7430
30% up, 70% down "Ilhabela-inverso"0.8213
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Predominantly Upwind655.50.9153
Predominantly Downwind598.11.0032
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low754.80.7949
Triple Number AP Medium595.71.0073
Triple Number AP High543.91.1031
Triple Number Windward/Leeward Low1010.80.5936
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Single Number Predominant Upwind682.80.8788
Single Number Predominant Reaching592.91.0120
Single Number Predominant Downwind622.20.9644
Predominant Upwind - Low926.60.6475
Predominant Upwind - Low/Med713.40.8411
Predominant Upwind - Medium635.90.9435
Predominant Upwind - Med/High602.20.9964
Predominant Upwind - High590.31.0164
Predominant Downwind Low883.50.6791
Predominant Downwind Low/Med665.90.9011
Predominant Downwind Medium580.01.0345
Predominant Downwind Med/High527.01.1386
Predominant Downwind High489.31.2261
Predominant Reaching Low800.50.7495
Predominant Reaching Low/Med622.20.9643
Predominant Reaching Medium557.91.0754
Predominant Reaching Med/High519.61.1547
Predominant Reaching High493.31.2163
SA/DSPL Upwind19.69SA/DSPL Downwind43.74
Scoring OptionTODTOT
5-Band Windward/Leeward Low1125.60.5330
5-Band Windward/Leeward Low/Med835.70.7179
5-Band Windward/Leeward Medium720.00.8333
5-Band Windward/Leeward Med/High664.00.9035
5-Band Windward/Leeward High640.60.9366
Windward/Leeward 60-40 Low1141.20.5257
Windward/Leeward 60-40 Low/Med851.60.7046
Windward/Leeward 60-40 Medium738.10.8129
Windward/Leeward 60-40 Med/High686.70.8737
Windward/Leeward 60-40 High669.10.8967
5-Band AP Low825.20.7271
5-Band AP Low/Med665.10.9021
5-Band AP Medium588.71.0192
5-Band AP Med/High549.41.0921
5-Band AP High529.41.1333
5-Band SF Bay Tour - Low976.60.6144
5-Band SF Bay Tour - Low/Med801.70.7484
5-Band SF Bay Tour - Medium696.10.8620
5-Band SF Bay Tour - Med/High645.80.9290
5-Band SF Bay Tour - High624.20.9612
Chicago-Mac Upwind0.8545
Chicago-Mac All Purpose0.8951
Chicago-Mac Downwind0.9332
Bayview-Mac Cove Island0.6647
Bayview-Mac Shore0.6686
Harvest Moon Regatta522.71.1480
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance651.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating651.20.9213
FinRating, kevyt tuuli1101.60.9078
FinRating, kova tuuli532.70.9387
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9213
Triple Number Coastal/Long Distance Low0.7949
Triple Number Coastal/Long Distance Medium1.0074
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6191
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
For information
General Purpose Handicap (GPH)669.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low754.8
Triple Number Coastal/Long Distance Medium595.6
Triple Number Coastal/Long Distance High543.9
Triple Number Windward/Leeward Low969.1
Triple Number Windward/Leeward Medium730.5
Triple Number Windward/Leeward High657.5
Predominantly Upwind655.5
Predominantly Downwind598.1
Predominantly Reaching577.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7949
Triple Number Coastal/Long Distance Medium1.0074
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6191
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9125
Coastal/Long Distance0.9213
Predominantly Upwind0.9153
Predominantly Downwind1.0032
For information
General Purpose Handicap (GPH)669.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9998
Distanseseilas Trippeltall svak vind0.7949
Distanseseilas Trippeltall mellomvind1.0074
Distanseseilas Trippeltall sterk vind1.1031
Pølsebane Trippeltall svak vind0.6191
Pølsebane Trippeltall mellomvind0.8213
Pølsebane Trippeltall sterk vind0.9125
Motvind Singeltall0.9153
Medvind Singeltall1.0032
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Coastal/Long Distance651.20.9213
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind655.50.9153
Predominantly Downwind598.11.0032
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore627.00.9570
Cape Doctor Coastal517.81.1587
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7949
Triple Number Coastal/Long Distance Medium1.0074
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6191
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9125
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7949
Triple Number Coastal/Long Distance Medium1.0074
Triple Number Coastal/Long Distance High1.1031
Triple Number Windward/Leeward Low0.6191
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9125
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Predominantly Upwind655.50.9153
Predominantly Downwind598.11.0032
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance651.20.9213
Triple Number Coastal/Long Distance Low754.80.7949
Triple Number Coastal/Long Distance Medium595.61.0074
Triple Number Coastal/Long Distance High543.91.1031
Triple Number Windward/Leeward Low969.10.6191
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1570.71062.6815.5688.0618.6582.1552.3505.4488.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low754.80.7949
Triple Number AP Medium595.71.0073
Triple Number AP High543.91.1031
Triple Number Windward/Leeward Low1010.80.5936
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High657.50.9125
Single Number Predominant Upwind682.80.8788
Single Number Predominant Reaching592.91.0120
Single Number Predominant Downwind622.20.9644
Predominant Upwind - Low926.60.6475
Predominant Upwind - Low/Med713.40.8411
Predominant Upwind - Medium635.90.9435
Predominant Upwind - Med/High602.20.9964
Predominant Upwind - High590.31.0164
Predominant Downwind Low883.50.6791
Predominant Downwind Low/Med665.90.9011
Predominant Downwind Medium580.01.0345
Predominant Downwind Med/High527.01.1386
Predominant Downwind High489.31.2261
Predominant Reaching Low800.50.7495
Predominant Reaching Low/Med622.20.9643
Predominant Reaching Medium557.91.0754
Predominant Reaching Med/High519.61.1547
Predominant Reaching High493.31.2163
SA/DSPL Upwind19.69SA/DSPL Downwind43.74
Scoring OptionTODTOT
5-Band Windward/Leeward Low1125.60.5330
5-Band Windward/Leeward Low/Med835.70.7179
5-Band Windward/Leeward Medium720.00.8333
5-Band Windward/Leeward Med/High664.00.9035
5-Band Windward/Leeward High640.60.9366
Windward/Leeward 60-40 Low1141.20.5257
Windward/Leeward 60-40 Low/Med851.60.7046
Windward/Leeward 60-40 Medium738.10.8129
Windward/Leeward 60-40 Med/High686.70.8737
Windward/Leeward 60-40 High669.10.8967
5-Band AP Low825.20.7271
5-Band AP Low/Med665.10.9021
5-Band AP Medium588.71.0192
5-Band AP Med/High549.41.0921
5-Band AP High529.41.1333
5-Band SF Bay Tour - Low976.60.6144
5-Band SF Bay Tour - Low/Med801.70.7484
5-Band SF Bay Tour - Medium696.10.8620
5-Band SF Bay Tour - Med/High645.80.9290
5-Band SF Bay Tour - High624.20.9612
Chicago-Mac Upwind0.8545
Chicago-Mac All Purpose0.8951
Chicago-Mac Downwind0.9332
Bayview-Mac Cove Island0.6647
Bayview-Mac Shore0.6686
Harvest Moon Regatta522.71.1480
Double HandedClub Certificate2025
Shutter SpeedNED 1690
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassWinner 900Measurement05/07/2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.991Max. Beam2.940Draft1.925Displacement3,794Wetted area19.81IMS L8.285LSM08.194Acc. length8.991Sink (kg/mm) 14.79
VCGD-0.005VCGM0.017RM Rated (kg·m) 79.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P11.560IG11.615ISP12.915MDT10.120MDL10.175MDT2MDL2TLTaperMWGO
E4.260J3.340BAS1.295FSDSFJSPLWPLTPS4.050BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date05/07/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Shutter SpeedNED 1690
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.160.841.492.533.4127.88
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.510.951.852.743.5811.03YesNo 20.24
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202513.7512.1012.937.576.39118%78.99112.9510.4011.686.056.9587%60.61
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.