Double HandedClub Certificate2025
BIG DREAMJPN 3757
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 Angles41.6°41.6°39.0°37.9°37.6°38.0°38.0°39.0°41.5°
Beat VMG2.933.894.504.734.844.914.954.914.72
52°4.515.816.496.726.836.916.956.986.92
60°4.746.056.696.927.047.127.187.247.22
75°4.886.196.847.157.337.477.587.727.77
90°4.746.086.807.227.547.797.988.298.49
110°4.355.816.787.297.667.938.198.849.48
120°4.175.646.667.247.768.258.639.349.57
135°3.565.016.186.917.468.048.7210.4511.83
150°2.934.215.366.336.977.498.059.5211.92
Run VMG2.543.654.645.516.216.767.248.3210.32
Gybe Angles143.8°143.8°148.5°153.7°161.0°167.8°168.7°160.0°146.9°
APH ToD:558.4CDL: 8.247APH ToT: 1.0745CertNo:250340
BOAT
ClassFARR 31DesignerB.FARRBuilderFRANKLINAge date12/1993Series date11/1993Offset fileKZ164.OFFData fileJC250340
HULL
Length Overall9.550 mMaximum Beam3.214 mDraft1.988 mDisplacement2,545 kgDLR4.7129IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.385m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.8131.51Headsail Luffed25.9625.96Headsail FlyingSymmetric62.0162.01Asymmetric
STORM SAIL AREAS (m²)
Trysail9.05Storm Jib6.60Heavy Weather Jib17.82
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
BIG DREAMJPN 3757
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 VMG1227.1924.5800.5760.9743.6733.5727.8732.5763.2
52°798.9620.1554.7535.8527.0521.3517.7515.5520.4
60°758.8595.3538.3520.4511.7505.4501.1496.9498.9
75°738.0581.4526.7503.4490.8481.9474.7466.0463.6
90°760.2592.3529.1498.8477.5462.1451.2434.3424.0
110°827.6619.4530.7493.7470.2454.1439.7407.4379.6
120°864.0638.8540.2497.1464.1436.2417.1385.5376.1
135°1010.2718.1582.2520.7482.7448.0413.0344.6304.3
150°1229.5855.3671.2568.9516.5480.7447.4378.3302.1
Run VMG1420.0987.6775.1653.6580.2532.3497.4432.8348.8
Selected Courses
Windward / Leeward1320.8956.1787.8707.3661.9632.9612.6582.6556.0
All purpose995.7738.4625.2574.7545.7525.7509.7483.3466.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward683.60.8778
All purpose558.41.0745
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7745
Downwind "popa"0.9419
70% up, 30% down "Ilhabela"0.8181
30% up, 70% down "Ilhabela-inverso"0.8845
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Predominantly Upwind604.20.9931
Predominantly Downwind560.51.0705
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low681.80.8800
Triple Number AP Medium557.11.0771
Triple Number AP High503.81.1909
Triple Number Windward/Leeward Low909.00.6600
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Single Number Predominant Upwind622.40.9641
Single Number Predominant Reaching547.91.0950
Single Number Predominant Downwind581.91.0311
Predominant Upwind - Low790.10.7594
Predominant Upwind - Low/Med642.10.9344
Predominant Upwind - Medium592.31.0131
Predominant Upwind - Med/High563.51.0647
Predominant Upwind - High549.61.0916
Predominant Downwind Low832.70.7206
Predominant Downwind Low/Med630.10.9522
Predominant Downwind Medium545.21.1005
Predominant Downwind Med/High483.71.2405
Predominant Downwind High437.41.3719
Predominant Reaching Low724.70.8279
Predominant Reaching Low/Med578.21.0377
Predominant Reaching Medium521.21.1513
Predominant Reaching Med/High479.41.2515
Predominant Reaching High449.61.3344
SA/DSPL Upwind30.36SA/DSPL Downwind49.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1005.90.5965
5-Band Windward/Leeward Low/Med765.60.7837
5-Band Windward/Leeward Medium670.90.8943
5-Band Windward/Leeward Med/High615.10.9754
5-Band Windward/Leeward High583.21.0288
Windward/Leeward 60-40 Low998.50.6009
Windward/Leeward 60-40 Low/Med771.70.7775
Windward/Leeward 60-40 Medium686.40.8742
Windward/Leeward 60-40 Med/High638.30.9400
Windward/Leeward 60-40 High614.00.9772
5-Band AP Low748.70.8014
5-Band AP Low/Med612.40.9798
5-Band AP Medium550.81.0893
5-Band AP Med/High511.01.1742
5-Band AP High484.91.2374
5-Band SF Bay Tour - Low868.90.6905
5-Band SF Bay Tour - Low/Med732.40.8192
5-Band SF Bay Tour - Medium649.60.9237
5-Band SF Bay Tour - Med/High599.71.0005
5-Band SF Bay Tour - High570.41.0519
Chicago-Mac Upwind0.9413
Chicago-Mac All Purpose0.9706
Chicago-Mac Downwind0.9937
Bayview-Mac Cove Island0.7361
Bayview-Mac Shore0.7430
Harvest Moon Regatta481.11.2472
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance605.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating605.30.9912
FinRating, kevyt tuuli987.91.0122
FinRating, kova tuuli488.31.0240
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9912
Triple Number Coastal/Long Distance Low0.8800
Triple Number Coastal/Long Distance Medium1.0772
Triple Number Coastal/Long Distance High1.1909
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8820
Triple Number Windward/Leeward High0.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
For information
General Purpose Handicap (GPH)618.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low681.8
Triple Number Coastal/Long Distance Medium557.0
Triple Number Coastal/Long Distance High503.8
Triple Number Windward/Leeward Low872.0
Triple Number Windward/Leeward Medium680.3
Triple Number Windward/Leeward High606.4
Predominantly Upwind604.2
Predominantly Downwind560.5
Predominantly Reaching538.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8800
Triple Number Coastal/Long Distance Medium1.0772
Triple Number Coastal/Long Distance High1.1909
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8820
Triple Number Windward/Leeward High0.9894
Coastal/Long Distance0.9912
Predominantly Upwind0.9931
Predominantly Downwind1.0705
For information
General Purpose Handicap (GPH)618.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0745
Distanseseilas Trippeltall svak vind0.8800
Distanseseilas Trippeltall mellomvind1.0772
Distanseseilas Trippeltall sterk vind1.1909
Pølsebane Trippeltall svak vind0.6881
Pølsebane Trippeltall mellomvind0.8820
Pølsebane Trippeltall sterk vind0.9894
Motvind Singeltall0.9931
Medvind Singeltall1.0705
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Coastal/Long Distance605.30.9912
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind604.20.9931
Predominantly Downwind560.51.0705
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore564.01.0638
Cape Doctor Coastal471.21.2733
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8800
Triple Number Coastal/Long Distance Medium1.0772
Triple Number Coastal/Long Distance High1.1909
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8820
Triple Number Windward/Leeward High0.9894
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8800
Triple Number Coastal/Long Distance Medium1.0772
Triple Number Coastal/Long Distance High1.1909
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8820
Triple Number Windward/Leeward High0.9894
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Predominantly Upwind604.20.9931
Predominantly Downwind560.51.0705
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.30.9912
Triple Number Coastal/Long Distance Low681.80.8800
Triple Number Coastal/Long Distance Medium557.01.0772
Triple Number Coastal/Long Distance High503.81.1909
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1409.8959.2744.2642.1581.7544.6513.7461.8445.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low681.80.8800
Triple Number AP Medium557.11.0771
Triple Number AP High503.81.1909
Triple Number Windward/Leeward Low909.00.6600
Triple Number Windward/Leeward Medium680.30.8820
Triple Number Windward/Leeward High606.40.9894
Single Number Predominant Upwind622.40.9641
Single Number Predominant Reaching547.91.0950
Single Number Predominant Downwind581.91.0311
Predominant Upwind - Low790.10.7594
Predominant Upwind - Low/Med642.10.9344
Predominant Upwind - Medium592.31.0131
Predominant Upwind - Med/High563.51.0647
Predominant Upwind - High549.61.0916
Predominant Downwind Low832.70.7206
Predominant Downwind Low/Med630.10.9522
Predominant Downwind Medium545.21.1005
Predominant Downwind Med/High483.71.2405
Predominant Downwind High437.41.3719
Predominant Reaching Low724.70.8279
Predominant Reaching Low/Med578.21.0377
Predominant Reaching Medium521.21.1513
Predominant Reaching Med/High479.41.2515
Predominant Reaching High449.61.3344
SA/DSPL Upwind30.36SA/DSPL Downwind49.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1005.90.5965
5-Band Windward/Leeward Low/Med765.60.7837
5-Band Windward/Leeward Medium670.90.8943
5-Band Windward/Leeward Med/High615.10.9754
5-Band Windward/Leeward High583.21.0288
Windward/Leeward 60-40 Low998.50.6009
Windward/Leeward 60-40 Low/Med771.70.7775
Windward/Leeward 60-40 Medium686.40.8742
Windward/Leeward 60-40 Med/High638.30.9400
Windward/Leeward 60-40 High614.00.9772
5-Band AP Low748.70.8014
5-Band AP Low/Med612.40.9798
5-Band AP Medium550.81.0893
5-Band AP Med/High511.01.1742
5-Band AP High484.91.2374
5-Band SF Bay Tour - Low868.90.6905
5-Band SF Bay Tour - Low/Med732.40.8192
5-Band SF Bay Tour - Medium649.60.9237
5-Band SF Bay Tour - Med/High599.71.0005
5-Band SF Bay Tour - High570.41.0519
Chicago-Mac Upwind0.9413
Chicago-Mac All Purpose0.9706
Chicago-Mac Downwind0.9937
Bayview-Mac Cove Island0.7361
Bayview-Mac Shore0.7430
Harvest Moon Regatta481.11.2472
Double HandedClub Certificate2025
BIG DREAMJPN 3757
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFARR 31Measurement18/04/2025HINPlan reviewHull constructionLightCarbon rudderYesLight stanchionsNoTrim tabNo
LOA9.550Max. Beam3.214Draft1.988Displacement2,545Wetted area16.85IMS L8.428LSM08.142Acc. length9.550Sink (kg/mm) 12.92
VCGD-0.172VCGM-0.179RM Rated (kg·m) 66.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.385PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays1Spreaders2Rotating mastNo
P11.836IG11.489ISP12.262MDT10.091MDL10.137MDT2MDL2TLTaperMWGO
E4.365J3.312BAS1.684FSDFoilSFJ0.018SPL3.394WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date12/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
BIG DREAMJPN 3757
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.150.921.632.803.7130.81* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.090.501.002.093.374.4711.88NoNo 25.9610.080.510.911.742.563.3811.80YesNo 20.44* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC12.1212.1212.126.156.1062.01