Double HandedClub Certificate2025
JaffaNED 7624
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 Angles42.6°42.6°40.4°39.6°39.4°39.7°40.0°41.6°46.4°
Beat VMG2.553.474.134.414.514.544.544.444.18
52°3.965.256.076.426.546.596.636.626.50
60°4.195.506.296.646.776.846.886.916.84
75°4.375.686.456.857.087.207.307.417.45
90°4.265.606.426.887.227.497.697.958.10
110°3.995.416.436.997.417.737.968.298.77
120°3.825.246.296.917.407.868.318.919.29
135°3.324.675.796.587.107.618.139.4311.39
150°2.723.945.065.996.677.157.648.7610.47
Run VMG2.353.414.385.225.926.496.957.839.06
Gybe Angles145.3°145.3°149.8°153.8°160.8°167.3°171.4°168.7°144.8°
APH ToD:591.8CDL: 7.637APH ToT: 1.0139CertNo:22356
BOAT
ClassOne offDesignerRobert WeguilinBuilderSteve EtherigdeAge date01/1989Series date01/1989Offset filehc59001.offData fileNED7624
HULL
Length Overall9.120 mMaximum Beam3.194 mDraft1.719 mDisplacement2,600 kgDLR4.7833IMS DivisionCruiser/RacerDynamic Allowance0.140%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)
MeasuredRatedMainsail26.4326.95Headsail Luffed25.1225.12Headsail FlyingSymmetric53.3953.39Asymmetric
STORM SAIL AREAS (m²)
Trysail7.45Storm Jib7.30Heavy Weather Jib19.70
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
JaffaNED 7624
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 VMG1414.21036.9872.1816.5798.7793.3792.5811.7861.1
52°909.6685.9593.3561.1550.7545.9543.2544.1554.0
60°858.6654.4572.2542.0531.8526.4523.0520.8526.3
75°824.0633.5558.2525.7508.7499.8493.0485.6483.5
90°844.6643.3560.7523.3498.5480.4468.1453.1444.7
110°903.1665.1560.1515.3485.6465.9452.5434.4410.6
120°942.7687.6572.7521.1486.3457.8433.4403.9387.5
135°1085.9771.1621.7547.4506.9473.4442.7381.6316.0
150°1325.7913.8711.6600.6540.0503.2471.4410.9344.0
Run VMG1530.61055.2821.6690.3608.2554.8518.3459.5397.2
Selected Courses
Windward / Leeward1470.81046.0846.9753.4703.5674.0655.4635.6629.2
All purpose1106.7805.5668.6607.2574.5554.3539.5520.7509.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward730.80.8210
All purpose591.81.0139
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7093
Downwind "popa"0.8921
70% up, 30% down "Ilhabela"0.7557
30% up, 70% down "Ilhabela-inverso"0.8281
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Predominantly Upwind643.50.9324
Predominantly Downwind592.91.0120
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low737.10.8140
Triple Number AP Medium588.21.0200
Triple Number AP High536.11.1191
Triple Number Windward/Leeward Low989.70.6063
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Single Number Predominant Upwind668.00.8982
Single Number Predominant Reaching582.31.0303
Single Number Predominant Downwind618.60.9699
Predominant Upwind - Low872.70.6875
Predominant Upwind - Low/Med688.30.8717
Predominant Upwind - Medium628.10.9553
Predominant Upwind - Med/High601.00.9983
Predominant Upwind - High593.71.0107
Predominant Downwind Low900.40.6663
Predominant Downwind Low/Med669.90.8957
Predominant Downwind Medium574.41.0446
Predominant Downwind Med/High511.81.1723
Predominant Downwind High469.81.2770
Predominant Reaching Low789.00.7604
Predominant Reaching Low/Med614.90.9757
Predominant Reaching Medium548.41.0940
Predominant Reaching Med/High506.21.1853
Predominant Reaching High479.51.2512
SA/DSPL Upwind27.18SA/DSPL Downwind42.08
Scoring OptionTODTOT
5-Band Windward/Leeward Low1102.80.5441
5-Band Windward/Leeward Low/Med822.10.7299
5-Band Windward/Leeward Medium714.70.8395
5-Band Windward/Leeward Med/High659.30.9101
5-Band Windward/Leeward High637.90.9406
Windward/Leeward 60-40 Low1100.30.5453
Windward/Leeward 60-40 Low/Med830.80.7222
Windward/Leeward 60-40 Medium733.00.8185
Windward/Leeward 60-40 Med/High686.70.8738
Windward/Leeward 60-40 High673.70.8906
5-Band AP Low814.40.7367
5-Band AP Low/Med653.20.9185
5-Band AP Medium581.41.0319
5-Band AP Med/High541.81.1074
5-Band AP High522.01.1493
5-Band SF Bay Tour - Low949.10.6322
5-Band SF Bay Tour - Low/Med786.80.7625
5-Band SF Bay Tour - Medium692.30.8666
5-Band SF Bay Tour - Med/High644.20.9314
5-Band SF Bay Tour - High624.80.9603
Chicago-Mac Upwind0.8767
Chicago-Mac All Purpose0.9086
Chicago-Mac Downwind0.9348
Bayview-Mac Cove Island0.6758
Bayview-Mac Shore0.6817
Harvest Moon Regatta505.01.1880
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance642.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9340
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0201
Triple Number Coastal/Long Distance High1.1191
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8279
Triple Number Windward/Leeward High0.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
For information
General Purpose Handicap (GPH)659.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low737.1
Triple Number Coastal/Long Distance Medium588.2
Triple Number Coastal/Long Distance High536.1
Triple Number Windward/Leeward Low946.4
Triple Number Windward/Leeward Medium724.7
Triple Number Windward/Leeward High652.6
Predominantly Upwind643.5
Predominantly Downwind592.9
Predominantly Reaching569.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0201
Triple Number Coastal/Long Distance High1.1191
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8279
Triple Number Windward/Leeward High0.9194
Coastal/Long Distance0.9340
Predominantly Upwind0.9324
Predominantly Downwind1.0120
For information
General Purpose Handicap (GPH)659.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0139
Distanseseilas Trippeltall svak vind0.8140
Distanseseilas Trippeltall mellomvind1.0201
Distanseseilas Trippeltall sterk vind1.1191
Pølsebane Trippeltall svak vind0.6340
Pølsebane Trippeltall mellomvind0.8279
Pølsebane Trippeltall sterk vind0.9194
Motvind Singeltall0.9324
Medvind Singeltall1.0120
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Coastal/Long Distance642.40.9340
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind643.50.9324
Predominantly Downwind592.91.0120
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore631.10.9507
Cape Doctor Coastal513.01.1697
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0201
Triple Number Coastal/Long Distance High1.1191
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8279
Triple Number Windward/Leeward High0.9194
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0201
Triple Number Coastal/Long Distance High1.1191
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8279
Triple Number Windward/Leeward High0.9194
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Predominantly Upwind643.50.9324
Predominantly Downwind592.91.0120
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance642.40.9340
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium588.21.0201
Triple Number Coastal/Long Distance High536.11.1191
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1567.51046.9798.3681.2614.4575.4542.5490.0477.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low737.10.8140
Triple Number AP Medium588.21.0200
Triple Number AP High536.11.1191
Triple Number Windward/Leeward Low989.70.6063
Triple Number Windward/Leeward Medium724.70.8279
Triple Number Windward/Leeward High652.60.9194
Single Number Predominant Upwind668.00.8982
Single Number Predominant Reaching582.31.0303
Single Number Predominant Downwind618.60.9699
Predominant Upwind - Low872.70.6875
Predominant Upwind - Low/Med688.30.8717
Predominant Upwind - Medium628.10.9553
Predominant Upwind - Med/High601.00.9983
Predominant Upwind - High593.71.0107
Predominant Downwind Low900.40.6663
Predominant Downwind Low/Med669.90.8957
Predominant Downwind Medium574.41.0446
Predominant Downwind Med/High511.81.1723
Predominant Downwind High469.81.2770
Predominant Reaching Low789.00.7604
Predominant Reaching Low/Med614.90.9757
Predominant Reaching Medium548.41.0940
Predominant Reaching Med/High506.21.1853
Predominant Reaching High479.51.2512
SA/DSPL Upwind27.18SA/DSPL Downwind42.08
Scoring OptionTODTOT
5-Band Windward/Leeward Low1102.80.5441
5-Band Windward/Leeward Low/Med822.10.7299
5-Band Windward/Leeward Medium714.70.8395
5-Band Windward/Leeward Med/High659.30.9101
5-Band Windward/Leeward High637.90.9406
Windward/Leeward 60-40 Low1100.30.5453
Windward/Leeward 60-40 Low/Med830.80.7222
Windward/Leeward 60-40 Medium733.00.8185
Windward/Leeward 60-40 Med/High686.70.8738
Windward/Leeward 60-40 High673.70.8906
5-Band AP Low814.40.7367
5-Band AP Low/Med653.20.9185
5-Band AP Medium581.41.0319
5-Band AP Med/High541.81.1074
5-Band AP High522.01.1493
5-Band SF Bay Tour - Low949.10.6322
5-Band SF Bay Tour - Low/Med786.80.7625
5-Band SF Bay Tour - Medium692.30.8666
5-Band SF Bay Tour - Med/High644.20.9314
5-Band SF Bay Tour - High624.80.9603
Chicago-Mac Upwind0.8767
Chicago-Mac All Purpose0.9086
Chicago-Mac Downwind0.9348
Bayview-Mac Cove Island0.6758
Bayview-Mac Shore0.6817
Harvest Moon Regatta505.01.1880
Double HandedClub Certificate2025
JaffaNED 7624
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOne offMeasurement08/05/2006HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.120Max. Beam3.194Draft1.719Displacement2,600Wetted area17.42IMS L8.282LSM08.161Acc. length9.120Sink (kg/mm) 13.72
VCGD0.067VCGM0.076RM Rated (kg·m) 64.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBWPIPA0.0012
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.560IG12.080ISP12.440MDT10.093MDL10.175MDT2MDL2TLTaperMWGO
E3.680J3.120BAS1.500FSDFoilSFJ0.130SPL3.200WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/05/2006
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
JaffaNED 7624
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment010.160.821.422.433.3626.43
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment010.040.481.002.093.254.2111.90NoNo 25.12
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0211.7011.7011.705.575.1053.39
CRUISER/RACER REQUIREMENTS*
Accommodation length9.1 mTable area0.44 m²Headroom1.63 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity62 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity32 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.