Double HandedClub Certificate2025
De Ware LubachNED 8827
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 Angles42.7°42.7°40.9°39.1°39.0°39.3°39.7°41.6°46.5°
Beat VMG2.072.833.423.783.893.923.923.813.51
52°3.204.275.005.385.525.575.605.585.44
60°3.394.475.165.515.685.745.795.815.72
75°3.494.595.265.635.856.006.096.206.21
90°3.374.505.265.675.936.166.356.596.75
110°3.354.545.375.846.186.466.687.067.18
120°3.174.375.285.796.206.576.977.798.70
135°2.763.904.865.576.016.426.858.5610.93
150°2.363.404.345.135.686.086.467.4410.11
Run VMG2.042.953.774.485.115.555.916.608.75
Gybe Angles149.1°149.1°152.8°155.7°163.7°170.7°173.6°168.7°145.2°
APH ToD:700.3CDL: 5.352APH ToT: 0.8568CertNo:
BOAT
ClassWaarschip 725DesignerKremerBuilder't WaarAge date01/1972Series date01/1968Offset fileHC_03503v3.OFFData fileNED8827
HULL
Length Overall7.224 mMaximum Beam2.446 mDraft1.356 mDisplacement998 kgDLR7.5726IMS DivisionCruiser/RacerDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail11.5811.95Headsail Luffed16.6216.62Headsail FlyingSymmetric34.7734.77Asymmetric
STORM SAIL AREAS (m²)
Trysail3.31Storm Jib2.92Heavy Weather Jib7.86
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
De Ware LubachNED 8827
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 VMG1743.21271.21053.9952.8924.4918.1919.2944.41025.8
52°1126.6842.3719.9669.5651.7646.3643.2645.1661.9
60°1063.4805.4698.3653.8634.3627.3622.3619.7629.4
75°1030.3784.8684.1639.9614.9600.1591.5580.5579.8
90°1068.6799.9684.4634.7607.2584.2567.3546.5533.4
110°1075.0793.6669.9616.6582.2557.0539.0510.0501.3
120°1135.8823.5682.3621.3581.1548.0516.4461.9413.8
135°1304.0922.9740.0646.1599.2561.1525.2420.4329.4
150°1522.91058.4830.0702.2633.7592.6557.6484.1356.2
Run VMG1766.91222.1955.7804.4703.9648.9609.6545.5411.3
Selected Courses
Windward / Leeward1752.81246.71004.8878.6814.1783.5764.4744.9718.6
All purpose1337.7970.8800.9718.0676.9653.7636.8610.5590.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward853.20.7033
All purpose700.30.8568
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6014
Downwind "popa"0.7650
70% up, 30% down "Ilhabela"0.6426
30% up, 70% down "Ilhabela-inverso"0.7073
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Predominantly Upwind762.80.7866
Predominantly Downwind700.70.8562
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low885.90.6773
Triple Number AP Medium695.20.8630
Triple Number AP High631.20.9506
Triple Number Windward/Leeward Low1176.00.5102
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Single Number Predominant Upwind793.50.7561
Single Number Predominant Reaching696.20.8618
Single Number Predominant Downwind730.30.8216
Predominant Upwind - Low1063.30.5643
Predominant Upwind - Low/Med823.00.7290
Predominant Upwind - Medium740.50.8103
Predominant Upwind - Med/High706.60.8492
Predominant Upwind - High696.90.8610
Predominant Downwind Low1073.60.5589
Predominant Downwind Low/Med793.30.7563
Predominant Downwind Medium677.10.8861
Predominant Downwind Med/High603.30.9946
Predominant Downwind High544.21.1026
Predominant Reaching Low959.80.6251
Predominant Reaching Low/Med737.80.8132
Predominant Reaching Medium653.40.9182
Predominant Reaching Med/High601.20.9981
Predominant Reaching High562.11.0673
SA/DSPL Upwind28.23SA/DSPL Downwind46.40
Scoring OptionTODTOT
5-Band Windward/Leeward Low1313.30.4569
5-Band Windward/Leeward Low/Med967.80.6200
5-Band Windward/Leeward Medium831.50.7216
5-Band Windward/Leeward Med/High768.50.7807
5-Band Windward/Leeward High743.70.8067
Windward/Leeward 60-40 Low1317.60.4554
Windward/Leeward 60-40 Low/Med980.40.6120
Windward/Leeward 60-40 Medium852.80.7035
Windward/Leeward 60-40 Med/High799.60.7504
Windward/Leeward 60-40 High785.80.7635
5-Band AP Low980.30.6121
5-Band AP Low/Med778.40.7708
5-Band AP Medium686.80.8736
5-Band AP Med/High638.60.9396
5-Band AP High611.60.9810
5-Band SF Bay Tour - Low1135.30.5285
5-Band SF Bay Tour - Low/Med929.20.6457
5-Band SF Bay Tour - Medium807.60.7430
5-Band SF Bay Tour - Med/High751.40.7985
5-Band SF Bay Tour - High726.90.8255
Chicago-Mac Upwind0.7371
Chicago-Mac All Purpose0.7658
Chicago-Mac Downwind0.7915
Bayview-Mac Cove Island0.5654
Bayview-Mac Shore0.5693
Harvest Moon Regatta603.10.9949
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance758.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7916
Triple Number Coastal/Long Distance Low0.6773
Triple Number Coastal/Long Distance Medium0.8631
Triple Number Coastal/Long Distance High0.9506
Triple Number Windward/Leeward Low0.5330
Triple Number Windward/Leeward Medium0.7110
Triple Number Windward/Leeward High0.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
For information
General Purpose Handicap (GPH)782.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low885.9
Triple Number Coastal/Long Distance Medium695.2
Triple Number Coastal/Long Distance High631.2
Triple Number Windward/Leeward Low1125.7
Triple Number Windward/Leeward Medium843.9
Triple Number Windward/Leeward High761.9
Predominantly Upwind762.8
Predominantly Downwind700.7
Predominantly Reaching678.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6773
Triple Number Coastal/Long Distance Medium0.8631
Triple Number Coastal/Long Distance High0.9506
Triple Number Windward/Leeward Low0.5330
Triple Number Windward/Leeward Medium0.7110
Triple Number Windward/Leeward High0.7875
Coastal/Long Distance0.7916
Predominantly Upwind0.7866
Predominantly Downwind0.8562
For information
General Purpose Handicap (GPH)782.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8568
Distanseseilas Trippeltall svak vind0.6773
Distanseseilas Trippeltall mellomvind0.8631
Distanseseilas Trippeltall sterk vind0.9506
Pølsebane Trippeltall svak vind0.5330
Pølsebane Trippeltall mellomvind0.7110
Pølsebane Trippeltall sterk vind0.7875
Motvind Singeltall0.7866
Medvind Singeltall0.8562
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Coastal/Long Distance758.00.7916
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind762.80.7866
Predominantly Downwind700.70.8562
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore726.50.8259
Cape Doctor Coastal596.61.0057
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6773
Triple Number Coastal/Long Distance Medium0.8631
Triple Number Coastal/Long Distance High0.9506
Triple Number Windward/Leeward Low0.5330
Triple Number Windward/Leeward Medium0.7110
Triple Number Windward/Leeward High0.7875
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6773
Triple Number Coastal/Long Distance Medium0.8631
Triple Number Coastal/Long Distance High0.9506
Triple Number Windward/Leeward Low0.5330
Triple Number Windward/Leeward Medium0.7110
Triple Number Windward/Leeward High0.7875
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Predominantly Upwind762.80.7866
Predominantly Downwind700.70.8562
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance758.00.7916
Triple Number Coastal/Long Distance Low885.90.6773
Triple Number Coastal/Long Distance Medium695.20.8631
Triple Number Coastal/Long Distance High631.20.9506
Triple Number Windward/Leeward Low1125.70.5330
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1854.61244.2948.6800.0721.0678.2641.3577.1546.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low885.90.6773
Triple Number AP Medium695.20.8630
Triple Number AP High631.20.9506
Triple Number Windward/Leeward Low1176.00.5102
Triple Number Windward/Leeward Medium843.90.7110
Triple Number Windward/Leeward High761.90.7875
Single Number Predominant Upwind793.50.7561
Single Number Predominant Reaching696.20.8618
Single Number Predominant Downwind730.30.8216
Predominant Upwind - Low1063.30.5643
Predominant Upwind - Low/Med823.00.7290
Predominant Upwind - Medium740.50.8103
Predominant Upwind - Med/High706.60.8492
Predominant Upwind - High696.90.8610
Predominant Downwind Low1073.60.5589
Predominant Downwind Low/Med793.30.7563
Predominant Downwind Medium677.10.8861
Predominant Downwind Med/High603.30.9946
Predominant Downwind High544.21.1026
Predominant Reaching Low959.80.6251
Predominant Reaching Low/Med737.80.8132
Predominant Reaching Medium653.40.9182
Predominant Reaching Med/High601.20.9981
Predominant Reaching High562.11.0673
SA/DSPL Upwind28.23SA/DSPL Downwind46.40
Scoring OptionTODTOT
5-Band Windward/Leeward Low1313.30.4569
5-Band Windward/Leeward Low/Med967.80.6200
5-Band Windward/Leeward Medium831.50.7216
5-Band Windward/Leeward Med/High768.50.7807
5-Band Windward/Leeward High743.70.8067
Windward/Leeward 60-40 Low1317.60.4554
Windward/Leeward 60-40 Low/Med980.40.6120
Windward/Leeward 60-40 Medium852.80.7035
Windward/Leeward 60-40 Med/High799.60.7504
Windward/Leeward 60-40 High785.80.7635
5-Band AP Low980.30.6121
5-Band AP Low/Med778.40.7708
5-Band AP Medium686.80.8736
5-Band AP Med/High638.60.9396
5-Band AP High611.60.9810
5-Band SF Bay Tour - Low1135.30.5285
5-Band SF Bay Tour - Low/Med929.20.6457
5-Band SF Bay Tour - Medium807.60.7430
5-Band SF Bay Tour - Med/High751.40.7985
5-Band SF Bay Tour - High726.90.8255
Chicago-Mac Upwind0.7371
Chicago-Mac All Purpose0.7658
Chicago-Mac Downwind0.7915
Bayview-Mac Cove Island0.5654
Bayview-Mac Shore0.5693
Harvest Moon Regatta603.10.9949
Double HandedClub Certificate2025
De Ware LubachNED 8827
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassWaarschip 725MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.224Max. Beam2.446Draft1.356Displacement998Wetted area10.18IMS L5.486LSM05.089Acc. length7.224Sink (kg/mm) 6.55
VCGD-0.227VCGM-0.161RM Rated (kg·m) 20.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P6.860IG7.630ISP7.630MDT10.078MDL10.120MDT2MDL2TLNo TaperMWGO
E2.750J2.895BAS1.000FSDNo FoilSFJ0.020SPL2.990WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2015CommentBB motor aan spiegel bij meting
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
De Ware LubachNED 8827
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment111.58
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment14.00NoNo 16.62
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment20.0034.77
CRUISER/RACER REQUIREMENTS*
Accommodation length7.2 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity12 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.