Club Certificate2025
Rosy MaesNED 7513
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 Angles42.9°42.9°40.4°39.5°38.6°38.0°37.5°37.2°37.5°
Beat VMG2.293.133.774.234.544.724.824.894.88
52°3.544.735.556.096.416.596.706.786.81
60°3.734.955.766.266.556.736.856.967.00
75°3.855.105.926.406.686.877.027.237.33
90°3.705.015.946.516.817.007.097.397.62
110°3.695.036.016.576.907.157.397.747.97
120°3.524.845.856.486.847.117.377.918.34
135°3.114.345.376.166.636.947.217.808.46
150°2.563.714.755.616.276.676.967.488.12
Run VMG2.213.214.124.895.576.126.537.087.58
Gybe Angles147.1°147.1°151.4°155.0°161.5°168.2°177.2°178.6°178.1°
APH ToD:620.0CDL: 7.831APH ToT: 0.9678CertNo:21615
BOAT
ClassStadt 34DesignerVD STADTBuilderMareus MarineAge date01/1989Series date01/1989Offset fileVdS34-NED7513.offData fileNED7513
HULL
Length Overall10.250 mMaximum Beam3.272 mDraft2.115 mDisplacement6,444 kgDLR10.3880IMS DivisionCruiser/RacerDynamic Allowance0.660%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight400 kg(declared)Minimum weight270 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.5632.04Headsail Luffed30.8430.84Headsail FlyingSymmetric70.8370.83Asymmetric
STORM SAIL AREAS (m²)
Trysail9.76Storm Jib7.64Heavy Weather Jib20.63
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
Rosy MaesNED 7513
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 VMG1574.61150.6954.5851.8793.4762.0746.8735.5737.7
52°1016.5761.5649.0591.0561.9546.2537.4530.6528.7
60°964.2726.7624.6574.8549.5534.9525.5517.5514.1
75°935.2705.9608.3562.7539.0523.7512.6498.1491.3
90°973.3719.3605.8553.0528.3514.7507.8487.3472.7
110°975.6715.4598.8547.9521.9503.2487.3464.9451.8
120°1022.2743.4615.6555.7526.6506.2488.2455.2431.7
135°1157.2828.7670.8584.5543.2519.0499.5461.8425.7
150°1406.1970.9758.1641.8574.5539.4517.2481.0443.2
Run VMG1625.51121.1874.3736.5645.9588.1550.9508.5475.1
Selected Courses
Windward / Leeward1597.91135.8914.4794.1719.7675.1648.9622.0606.4
All purpose1213.9879.5723.2642.2596.9570.6554.2532.3517.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward754.00.7958
All purpose620.00.9678
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7006
Downwind "popa"0.8358
70% up, 30% down "Ilhabela"0.7363
30% up, 70% down "Ilhabela-inverso"0.7900
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Predominantly Upwind668.40.8977
Predominantly Downwind631.60.9500
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low801.40.7487
Triple Number AP Medium616.00.9740
Triple Number AP High550.11.0907
Triple Number Windward/Leeward Low1070.60.5604
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Single Number Predominant Upwind694.50.8640
Single Number Predominant Reaching621.00.9662
Single Number Predominant Downwind660.30.9087
Predominant Upwind - Low961.30.6242
Predominant Upwind - Low/Med736.50.8146
Predominant Upwind - Medium646.00.9288
Predominant Upwind - Med/High599.71.0005
Predominant Upwind - High581.71.0315
Predominant Downwind Low973.10.6166
Predominant Downwind Low/Med716.60.8373
Predominant Downwind Medium607.40.9878
Predominant Downwind Med/High544.21.1026
Predominant Downwind High511.11.1740
Predominant Reaching Low865.60.6932
Predominant Reaching Low/Med659.60.9096
Predominant Reaching Medium578.11.0378
Predominant Reaching Med/High534.61.1222
Predominant Reaching High510.41.1755
SA/DSPL Upwind17.91SA/DSPL Downwind29.39
Scoring OptionTODTOT
5-Band Windward/Leeward Low1196.50.5015
5-Band Windward/Leeward Low/Med875.90.6850
5-Band Windward/Leeward Medium735.00.8164
5-Band Windward/Leeward Med/High654.70.9164
5-Band Windward/Leeward High624.00.9616
Windward/Leeward 60-40 Low1198.70.5005
Windward/Leeward 60-40 Low/Med885.40.6777
Windward/Leeward 60-40 Medium749.40.8006
Windward/Leeward 60-40 Med/High674.00.8902
Windward/Leeward 60-40 High646.70.9277
5-Band AP Low887.50.6761
5-Band AP Low/Med699.00.8584
5-Band AP Medium607.00.9885
5-Band AP Med/High556.91.0774
5-Band AP High533.51.1246
5-Band SF Bay Tour - Low1032.00.5814
5-Band SF Bay Tour - Low/Med839.20.7150
5-Band SF Bay Tour - Medium712.40.8422
5-Band SF Bay Tour - Med/High642.60.9337
5-Band SF Bay Tour - High614.60.9763
Chicago-Mac Upwind0.8361
Chicago-Mac All Purpose0.8587
Chicago-Mac Downwind0.8759
Bayview-Mac Cove Island0.6279
Bayview-Mac Shore0.6326
Harvest Moon Regatta544.71.1016
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance673.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating673.30.8911
FinRating, kevyt tuuli1177.30.8494
FinRating, kova tuuli537.50.9302
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8911
Triple Number Coastal/Long Distance Low0.7487
Triple Number Coastal/Long Distance Medium0.9741
Triple Number Coastal/Long Distance High1.0907
Triple Number Windward/Leeward Low0.5853
Triple Number Windward/Leeward Medium0.8005
Triple Number Windward/Leeward High0.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
For information
General Purpose Handicap (GPH)696.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low801.4
Triple Number Coastal/Long Distance Medium616.0
Triple Number Coastal/Long Distance High550.1
Triple Number Windward/Leeward Low1025.1
Triple Number Windward/Leeward Medium749.5
Triple Number Windward/Leeward High645.4
Predominantly Upwind668.4
Predominantly Downwind631.6
Predominantly Reaching607.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7487
Triple Number Coastal/Long Distance Medium0.9741
Triple Number Coastal/Long Distance High1.0907
Triple Number Windward/Leeward Low0.5853
Triple Number Windward/Leeward Medium0.8005
Triple Number Windward/Leeward High0.9297
Coastal/Long Distance0.8911
Predominantly Upwind0.8977
Predominantly Downwind0.9500
For information
General Purpose Handicap (GPH)696.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9678
Distanseseilas Trippeltall svak vind0.7487
Distanseseilas Trippeltall mellomvind0.9741
Distanseseilas Trippeltall sterk vind1.0907
Pølsebane Trippeltall svak vind0.5853
Pølsebane Trippeltall mellomvind0.8005
Pølsebane Trippeltall sterk vind0.9297
Motvind Singeltall0.8977
Medvind Singeltall0.9500
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Coastal/Long Distance673.30.8911
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind668.40.8977
Predominantly Downwind631.60.9500
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore611.10.9818
Cape Doctor Coastal521.91.1497
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7487
Triple Number Coastal/Long Distance Medium0.9741
Triple Number Coastal/Long Distance High1.0907
Triple Number Windward/Leeward Low0.5853
Triple Number Windward/Leeward Medium0.8005
Triple Number Windward/Leeward High0.9297
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7487
Triple Number Coastal/Long Distance Medium0.9741
Triple Number Coastal/Long Distance High1.0907
Triple Number Windward/Leeward Low0.5853
Triple Number Windward/Leeward Medium0.8005
Triple Number Windward/Leeward High0.9297
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Predominantly Upwind668.40.8977
Predominantly Downwind631.60.9500
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance673.30.8911
Triple Number Coastal/Long Distance Low801.40.7487
Triple Number Coastal/Long Distance Medium616.00.9741
Triple Number Coastal/Long Distance High550.11.0907
Triple Number Windward/Leeward Low1025.10.5853
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1695.21134.3861.7719.4635.3591.5560.9513.1496.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low801.40.7487
Triple Number AP Medium616.00.9740
Triple Number AP High550.11.0907
Triple Number Windward/Leeward Low1070.60.5604
Triple Number Windward/Leeward Medium749.50.8005
Triple Number Windward/Leeward High645.40.9297
Single Number Predominant Upwind694.50.8640
Single Number Predominant Reaching621.00.9662
Single Number Predominant Downwind660.30.9087
Predominant Upwind - Low961.30.6242
Predominant Upwind - Low/Med736.50.8146
Predominant Upwind - Medium646.00.9288
Predominant Upwind - Med/High599.71.0005
Predominant Upwind - High581.71.0315
Predominant Downwind Low973.10.6166
Predominant Downwind Low/Med716.60.8373
Predominant Downwind Medium607.40.9878
Predominant Downwind Med/High544.21.1026
Predominant Downwind High511.11.1740
Predominant Reaching Low865.60.6932
Predominant Reaching Low/Med659.60.9096
Predominant Reaching Medium578.11.0378
Predominant Reaching Med/High534.61.1222
Predominant Reaching High510.41.1755
SA/DSPL Upwind17.91SA/DSPL Downwind29.39
Scoring OptionTODTOT
5-Band Windward/Leeward Low1196.50.5015
5-Band Windward/Leeward Low/Med875.90.6850
5-Band Windward/Leeward Medium735.00.8164
5-Band Windward/Leeward Med/High654.70.9164
5-Band Windward/Leeward High624.00.9616
Windward/Leeward 60-40 Low1198.70.5005
Windward/Leeward 60-40 Low/Med885.40.6777
Windward/Leeward 60-40 Medium749.40.8006
Windward/Leeward 60-40 Med/High674.00.8902
Windward/Leeward 60-40 High646.70.9277
5-Band AP Low887.50.6761
5-Band AP Low/Med699.00.8584
5-Band AP Medium607.00.9885
5-Band AP Med/High556.91.0774
5-Band AP High533.51.1246
5-Band SF Bay Tour - Low1032.00.5814
5-Band SF Bay Tour - Low/Med839.20.7150
5-Band SF Bay Tour - Medium712.40.8422
5-Band SF Bay Tour - Med/High642.60.9337
5-Band SF Bay Tour - High614.60.9763
Chicago-Mac Upwind0.8361
Chicago-Mac All Purpose0.8587
Chicago-Mac Downwind0.8759
Bayview-Mac Cove Island0.6279
Bayview-Mac Shore0.6326
Harvest Moon Regatta544.71.1016
Club Certificate2025
Rosy MaesNED 7513
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassStadt 34MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.250Max. Beam3.272Draft2.115Displacement6,444Wetted area24.69IMS L8.578LSM08.528Acc. length10.250Sink (kg/mm) 17.19
VCGD-0.090VCGM-0.071RM Rated (kg·m) 117.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight548Declared crew weight400
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.410PBW0.000PIPA0.0082
APH0.000APT0.000APB0.000
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.390IG12.360ISP12.610MDT10.120MDL10.180MDT20.000MDL20.000TLTaperMW0.000GO0.000
E4.500J3.790BAS1.660FSDFoilSFJ0.000SPL3.570WPLTPS3.790BD0.000MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2016
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Rosy MaesNED 7513
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20240.160.831.502.683.6831.56
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20240.040.621.222.463.725.1412.32NoNo 30.8413.8012.22NoNo 23.64
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment112.5112.5112.516.826.6970.8301/03/2017
CRUISER/RACER REQUIREMENTS*
Accommodation length10.2 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity84 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity54 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.