Club 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 Angles41.7°41.7°39.2°37.0°36.1°35.8°35.6°35.8°37.4°
Beat VMG2.823.864.625.005.165.245.305.335.23
52°4.405.776.596.937.087.177.247.327.31
60°4.686.026.747.097.277.387.477.587.61
75°4.846.166.837.227.527.717.858.078.18
90°4.666.026.787.217.587.938.218.638.94
110°4.295.776.787.327.808.218.539.149.75
120°4.105.576.637.217.748.288.879.8510.75
135°3.514.956.116.867.377.918.5310.1812.93
150°2.894.165.306.276.917.397.909.1711.38
Run VMG2.503.604.595.456.156.717.168.109.86
Gybe Angles143.9°143.9°148.7°153.7°161.0°168.7°171.8°165.1°143.0°
APH ToD:547.4CDL: 8.897APH ToT: 1.0962CertNo: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 weight513 kg(default)Minimum weight383 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.
Club 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 VMG1276.2932.9779.7719.5697.6686.5679.3674.9688.2
52°817.4623.8546.5519.2508.6502.4497.5491.9492.3
60°769.6598.4534.3508.0495.3488.1482.2475.0473.2
75°744.5584.5526.7498.4478.8466.9458.7446.2440.3
90°772.8598.2530.8499.3474.6454.1438.5417.2402.8
110°838.5623.6530.9491.6461.8438.6422.0394.0369.2
120°878.2645.9543.3499.1465.2434.7405.7365.3334.8
135°1024.2727.7588.9525.1488.4455.2421.9353.5278.4
150°1247.3866.3678.8574.6520.8486.8455.9392.7316.2
Run VMG1440.71000.3783.8660.5585.0536.1502.5444.6365.2
Selected Courses
Windward / Leeward1357.4966.6781.8690.0641.3611.3590.9559.7526.7
All purpose1017.9745.6622.4565.1532.9511.3494.0465.8439.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward666.20.9006
All purpose547.41.0962
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8123
Downwind "popa"0.9307
70% up, 30% down "Ilhabela"0.8446
30% up, 70% down "Ilhabela-inverso"0.8917
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Predominantly Upwind587.11.0219
Predominantly Downwind559.71.0720
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low684.00.8772
Triple Number AP Medium545.71.0994
Triple Number AP High487.71.2302
Triple Number Windward/Leeward Low913.40.6569
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Single Number Predominant Upwind606.70.9890
Single Number Predominant Reaching543.31.1043
Single Number Predominant Downwind581.51.0319
Predominant Upwind - Low798.30.7516
Predominant Upwind - Low/Med631.10.9507
Predominant Upwind - Medium572.91.0473
Predominant Upwind - Med/High540.31.1104
Predominant Upwind - High521.31.1509
Predominant Downwind Low842.80.7119
Predominant Downwind Low/Med631.60.9500
Predominant Downwind Medium543.01.1049
Predominant Downwind Med/High480.41.2489
Predominant Downwind High432.11.3886
Predominant Reaching Low732.70.8188
Predominant Reaching Low/Med576.91.0401
Predominant Reaching Medium515.31.1644
Predominant Reaching Med/High470.11.2763
Predominant Reaching High435.91.3765
SA/DSPL Upwind30.36SA/DSPL Downwind49.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1018.30.5892
5-Band Windward/Leeward Low/Med755.90.7938
5-Band Windward/Leeward Medium651.80.9205
5-Band Windward/Leeward Med/High593.31.0113
5-Band Windward/Leeward High559.41.0726
Windward/Leeward 60-40 Low1010.70.5936
Windward/Leeward 60-40 Low/Med758.50.7911
Windward/Leeward 60-40 Medium662.40.9059
Windward/Leeward 60-40 Med/High610.90.9822
Windward/Leeward 60-40 High583.11.0290
5-Band AP Low756.40.7932
5-Band AP Low/Med607.10.9882
5-Band AP Medium538.81.1135
5-Band AP Med/High495.51.2110
5-Band AP High466.21.2871
5-Band SF Bay Tour - Low875.00.6857
5-Band SF Bay Tour - Low/Med722.10.8309
5-Band SF Bay Tour - Medium630.20.9521
5-Band SF Bay Tour - Med/High577.51.0389
5-Band SF Bay Tour - High544.71.1015
Chicago-Mac Upwind0.9636
Chicago-Mac All Purpose0.9821
Chicago-Mac Downwind0.9935
Bayview-Mac Cove Island0.7330
Bayview-Mac Shore0.7398
Harvest Moon Regatta475.81.2609
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance592.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating592.71.0122
FinRating, kevyt tuuli1002.00.9980
FinRating, kova tuuli466.71.0714
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0122
Triple Number Coastal/Long Distance Low0.8772
Triple Number Coastal/Long Distance Medium1.0995
Triple Number Coastal/Long Distance High1.2302
Triple Number Windward/Leeward Low0.6864
Triple Number Windward/Leeward Medium0.9067
Triple Number Windward/Leeward High1.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
For information
General Purpose Handicap (GPH)610.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low684.0
Triple Number Coastal/Long Distance Medium545.7
Triple Number Coastal/Long Distance High487.7
Triple Number Windward/Leeward Low874.1
Triple Number Windward/Leeward Medium661.7
Triple Number Windward/Leeward High584.3
Predominantly Upwind587.1
Predominantly Downwind559.7
Predominantly Reaching536.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8772
Triple Number Coastal/Long Distance Medium1.0995
Triple Number Coastal/Long Distance High1.2302
Triple Number Windward/Leeward Low0.6864
Triple Number Windward/Leeward Medium0.9067
Triple Number Windward/Leeward High1.0269
Coastal/Long Distance1.0122
Predominantly Upwind1.0219
Predominantly Downwind1.0720
For information
General Purpose Handicap (GPH)610.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0962
Distanseseilas Trippeltall svak vind0.8772
Distanseseilas Trippeltall mellomvind1.0995
Distanseseilas Trippeltall sterk vind1.2302
Pølsebane Trippeltall svak vind0.6864
Pølsebane Trippeltall mellomvind0.9067
Pølsebane Trippeltall sterk vind1.0269
Motvind Singeltall1.0219
Medvind Singeltall1.0720
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Coastal/Long Distance592.71.0122
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind587.11.0219
Predominantly Downwind559.71.0720
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore536.61.1182
Cape Doctor Coastal447.61.3405
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8772
Triple Number Coastal/Long Distance Medium1.0995
Triple Number Coastal/Long Distance High1.2302
Triple Number Windward/Leeward Low0.6864
Triple Number Windward/Leeward Medium0.9067
Triple Number Windward/Leeward High1.0269
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8772
Triple Number Coastal/Long Distance Medium1.0995
Triple Number Coastal/Long Distance High1.2302
Triple Number Windward/Leeward Low0.6864
Triple Number Windward/Leeward Medium0.9067
Triple Number Windward/Leeward High1.0269
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Predominantly Upwind587.11.0219
Predominantly Downwind559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance592.71.0122
Triple Number Coastal/Long Distance Low684.00.8772
Triple Number Coastal/Long Distance Medium545.71.0995
Triple Number Coastal/Long Distance High487.71.2302
Triple Number Windward/Leeward Low874.10.6864
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1450.0970.0739.8629.1566.7529.9497.9444.7419.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low684.00.8772
Triple Number AP Medium545.71.0994
Triple Number AP High487.71.2302
Triple Number Windward/Leeward Low913.40.6569
Triple Number Windward/Leeward Medium661.70.9067
Triple Number Windward/Leeward High584.31.0269
Single Number Predominant Upwind606.70.9890
Single Number Predominant Reaching543.31.1043
Single Number Predominant Downwind581.51.0319
Predominant Upwind - Low798.30.7516
Predominant Upwind - Low/Med631.10.9507
Predominant Upwind - Medium572.91.0473
Predominant Upwind - Med/High540.31.1104
Predominant Upwind - High521.31.1509
Predominant Downwind Low842.80.7119
Predominant Downwind Low/Med631.60.9500
Predominant Downwind Medium543.01.1049
Predominant Downwind Med/High480.41.2489
Predominant Downwind High432.11.3886
Predominant Reaching Low732.70.8188
Predominant Reaching Low/Med576.91.0401
Predominant Reaching Medium515.31.1644
Predominant Reaching Med/High470.11.2763
Predominant Reaching High435.91.3765
SA/DSPL Upwind30.36SA/DSPL Downwind49.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1018.30.5892
5-Band Windward/Leeward Low/Med755.90.7938
5-Band Windward/Leeward Medium651.80.9205
5-Band Windward/Leeward Med/High593.31.0113
5-Band Windward/Leeward High559.41.0726
Windward/Leeward 60-40 Low1010.70.5936
Windward/Leeward 60-40 Low/Med758.50.7911
Windward/Leeward 60-40 Medium662.40.9059
Windward/Leeward 60-40 Med/High610.90.9822
Windward/Leeward 60-40 High583.11.0290
5-Band AP Low756.40.7932
5-Band AP Low/Med607.10.9882
5-Band AP Medium538.81.1135
5-Band AP Med/High495.51.2110
5-Band AP High466.21.2871
5-Band SF Bay Tour - Low875.00.6857
5-Band SF Bay Tour - Low/Med722.10.8309
5-Band SF Bay Tour - Medium630.20.9521
5-Band SF Bay Tour - Med/High577.51.0389
5-Band SF Bay Tour - High544.71.1015
Chicago-Mac Upwind0.9636
Chicago-Mac All Purpose0.9821
Chicago-Mac Downwind0.9935
Bayview-Mac Cove Island0.7330
Bayview-Mac Shore0.7398
Harvest Moon Regatta475.81.2609
Club 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 L8.629LSM08.142Acc. length9.550Sink (kg/mm) 12.92
VCGD-0.173VCGM-0.179RM Rated (kg·m) 66.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight513Declared 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
Club 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