Double HandedClub Certificate2025
Gotcha2GBR 9410
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 Angles42.4°42.4°40.4°38.9°38.2°37.8°37.7°37.8°38.9°
Beat VMG2.663.624.344.805.015.125.185.245.17
52°4.115.476.386.887.107.227.297.397.40
60°4.375.756.617.087.327.447.537.657.70
75°4.535.956.817.247.557.777.928.158.28
90°4.425.856.787.337.717.988.258.658.93
110°4.155.676.797.437.918.368.819.5210.06
120°3.975.486.627.317.828.338.839.9110.95
135°3.434.856.056.947.518.048.599.8111.36
150°2.784.035.186.207.017.548.059.1910.68
Run VMG2.403.494.495.376.176.807.318.259.39
Gybe Angles143.8°143.8°148.9°151.6°157.5°165.5°170.9°169.6°161.3°
APH ToD:551.8CDL: 9.224APH ToT: 1.0874CertNo:
BOAT
ClassJ.O.D. 35DesignerD.AndrieuBuilderJeanneauAge dateSeries date03/1992Offset filegbr9410.offData fileGBR9410
HULL
Length Overall10.632 mMaximum Beam3.494 mDraft2.003 mDisplacement4,166 kgDLR4.5252IMS DivisionCruiser/RacerDynamic Allowance0.100%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.360m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.5242.65Headsail Luffed27.1427.14Headsail FlyingSymmetric68.7868.78Asymmetric55.0255.02 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.20Storm Jib7.31Heavy Weather Jib19.74
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.
Double HandedClub Certificate2025
Gotcha2GBR 9410
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 VMG1353.8993.8829.5750.1718.9703.7694.7687.0696.3
52°875.0657.8564.7523.3506.7498.8493.6487.3486.4
60°823.8626.4544.7508.5492.1484.0478.2470.3467.7
75°794.3605.4528.9497.1477.1463.2454.5441.6434.6
90°814.2615.1530.9491.2466.9451.1436.6416.2403.0
110°867.8634.6530.2484.7455.1430.8408.6378.3358.0
120°906.8657.5543.7492.3460.4432.1407.5363.4328.7
135°1048.8742.6595.5518.7479.1447.6419.3366.9316.9
150°1295.7893.2694.5580.7513.9477.4447.0391.6336.9
Run VMG1497.31031.4801.9669.8583.6529.2492.6436.2383.4
Selected Courses
Windward / Leeward1423.21012.6815.7710.0651.2616.5593.7561.6539.8
All purpose1068.8775.7639.6571.1533.8510.5492.8465.6446.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward680.30.8820
All purpose551.81.0874
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7810
Downwind "popa"0.9241
70% up, 30% down "Ilhabela"0.8191
30% up, 70% down "Ilhabela-inverso"0.8760
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Predominantly Upwind597.11.0048
Predominantly Downwind562.11.0675
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low707.60.8479
TriNum AP Med549.31.0923
TriNum AP High487.01.2320
TriNum W/L Low954.70.6285
TriNum W/L Med675.80.8878
TriNum W/L Hig587.41.0215
Predom. Upwind618.70.9698
Predom. Reaching547.31.0963
Predom. Downwind586.61.0229
Predom. Up Low837.80.7162
Predom. Up L/M649.30.9240
Predom. Up Med579.21.0360
Predom. Up M/H542.91.1052
Predom. Up High524.71.1434
Predom. Dn Low870.70.6891
Predom. Dn L/M640.80.9363
Predom. Dn Med542.01.1070
Predom. Dn M/H477.81.2558
Predom. Dn High436.21.3756
Predom. Rc Low758.40.7912
Predom. Rc L/M583.21.0288
Predom. Rc Med513.21.1691
Predom. Rc M/H468.71.2801
Predom. Rc High439.51.3653
SA/DSPL Upwind26.39SA/DSPL Downwind42.40
Scoring OptionTODTOT
5B W/L Low1066.60.5625
5B W/L L/M783.10.7661
5B W/L Med664.10.9035
5B W/L M/H596.91.0051
5B W/L High563.41.0649
W/L 60-40 Low1061.80.5651
W/L 60-40 L/M788.40.7610
W/L 60-40 Med677.00.8863
W/L 60-40 M/H616.90.9725
W/L 60-40 High588.71.0192
5B AP Low784.00.7653
5B AP L/M619.90.9680
5B AP Med541.51.1081
5B AP M/H494.61.2131
5B AP High466.91.2850
5B SF Bay Low915.90.6551
5B SF Bay L/M747.20.8029
5B SF Bay Med641.20.9358
5B SF Bay M/H581.91.0310
5B SF Bay High550.61.0898
Chicago-Mac Upwind0.9418
Chicago-Mac All Purpose0.9660
Chicago-Mac Downwind0.9828
BayMac Cove Island848.50.7071
BayMac Shore840.80.7136
Harvest Moon474.31.2651
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance601.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating601.50.9976
FinRating, kevyt tuuli1047.90.9543
FinRating, kova tuuli468.31.0678
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9976
Triple Number Coastal/Long Distance Low0.8479
Triple Number Coastal/Long Distance Medium1.0925
Triple Number Coastal/Long Distance High1.2320
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
For information
General Purpose Handicap (GPH)619.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low707.6
Triple Number Coastal/Long Distance Medium549.2
Triple Number Coastal/Long Distance High487.0
Triple Number Windward/Leeward Low914.2
Triple Number Windward/Leeward Medium675.8
Triple Number Windward/Leeward High587.4
Predominantly Upwind597.1
Predominantly Downwind562.1
Predominantly Reaching537.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8479
Triple Number Coastal/Long Distance Medium1.0925
Triple Number Coastal/Long Distance High1.2320
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0215
Coastal/Long Distance0.9976
Predominantly Upwind1.0048
Predominantly Downwind1.0675
For information
General Purpose Handicap (GPH)619.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0874
Distanseseilas Trippeltall svak vind0.8479
Distanseseilas Trippeltall mellomvind1.0925
Distanseseilas Trippeltall sterk vind1.2320
Pølsebane Trippeltall svak vind0.6563
Pølsebane Trippeltall mellomvind0.8878
Pølsebane Trippeltall sterk vind1.0215
Motvind Singeltall1.0048
Medvind Singeltall1.0675
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Coastal/Long Distance601.50.9976
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind597.11.0048
Predominantly Downwind562.11.0675
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore546.41.0981
Cape Doctor Coastal452.01.3273
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8479
Triple Number Coastal/Long Distance Medium1.0925
Triple Number Coastal/Long Distance High1.2320
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0215
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8479
Triple Number Coastal/Long Distance Medium1.0925
Triple Number Coastal/Long Distance High1.2320
Triple Number Windward/Leeward Low0.6563
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0215
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Predominantly Upwind597.11.0048
Predominantly Downwind562.11.0675
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance601.50.9976
Triple Number Coastal/Long Distance Low707.60.8479
Triple Number Coastal/Long Distance Medium549.21.0925
Triple Number Coastal/Long Distance High487.01.2320
Triple Number Windward/Leeward Low914.20.6563
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.41.0215
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1521.91014.5768.3641.7569.8530.4497.9443.1421.4
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low707.60.8479
TriNum AP Med549.31.0923
TriNum AP High487.01.2320
TriNum W/L Low954.70.6285
TriNum W/L Med675.80.8878
TriNum W/L Hig587.41.0215
Predom. Upwind618.70.9698
Predom. Reaching547.31.0963
Predom. Downwind586.61.0229
Predom. Up Low837.80.7162
Predom. Up L/M649.30.9240
Predom. Up Med579.21.0360
Predom. Up M/H542.91.1052
Predom. Up High524.71.1434
Predom. Dn Low870.70.6891
Predom. Dn L/M640.80.9363
Predom. Dn Med542.01.1070
Predom. Dn M/H477.81.2558
Predom. Dn High436.21.3756
Predom. Rc Low758.40.7912
Predom. Rc L/M583.21.0288
Predom. Rc Med513.21.1691
Predom. Rc M/H468.71.2801
Predom. Rc High439.51.3653
SA/DSPL Upwind26.39SA/DSPL Downwind42.40
Scoring OptionTODTOT
5B W/L Low1066.60.5625
5B W/L L/M783.10.7661
5B W/L Med664.10.9035
5B W/L M/H596.91.0051
5B W/L High563.41.0649
W/L 60-40 Low1061.80.5651
W/L 60-40 L/M788.40.7610
W/L 60-40 Med677.00.8863
W/L 60-40 M/H616.90.9725
W/L 60-40 High588.71.0192
5B AP Low784.00.7653
5B AP L/M619.90.9680
5B AP Med541.51.1081
5B AP M/H494.61.2131
5B AP High466.91.2850
5B SF Bay Low915.90.6551
5B SF Bay L/M747.20.8029
5B SF Bay Med641.20.9358
5B SF Bay M/H581.91.0310
5B SF Bay High550.61.0898
Chicago-Mac Upwind0.9418
Chicago-Mac All Purpose0.9660
Chicago-Mac Downwind0.9828
BayMac Cove Island848.50.7071
BayMac Shore840.80.7136
Harvest Moon474.31.2651
Double HandedClub Certificate2025
Gotcha2GBR 9410
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ.O.D. 35Measurement01/11/2012HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.632Max. Beam3.494Draft2.003Displacement4,166Wetted area23.21IMS L9.818LSM09.727Acc. length10.632Sink (kg/mm) 17.70
VCGD0.043VCGM0.102RM Rated (kg·m) 93.7Limit of positive stability(°) N/AStability IndexN/ABLR index1.0107Default crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.096PIPA0.0024
PSD0.025PHD0.040PHL0.100
PSA15.0°ESL0.840
ST10.023ST20.075ST30.090
ST40.050ST50.170
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P13.150IG12.090ISP12.170MDT10.098MDL10.162MDT20.095MDL20.128TL3.600MW0.162GO0.162
E5.300J3.300BAS1.500FSD0.032SFJ0.220SPL3.630WPLTPS3.520BD0.148MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.040Flotation Date01/11/2012
BALLAST
IdKindDescriptionWeightLCGVCGTCG1Movable5008.050.551.20
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG1Movable5008.050.551.20Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Gotcha2GBR 9410
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.171.131.993.434.4541.52
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment30.070.571.092.173.334.5812.15NoNo 27.1405/01/2016
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment202212.4012.4012.406.666.6468.78
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202512.0011.3711.695.466.4185%55.02
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.