Double HandedClub 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 Angles42.5°42.5°40.3°39.6°39.0°38.5°38.1°38.0°38.5°
Beat VMG2.293.133.774.204.484.654.734.794.75
52°3.544.725.536.076.386.556.646.726.73
60°3.724.945.746.256.536.706.816.906.93
75°3.845.095.906.396.676.867.007.187.26
90°3.715.005.926.486.796.937.087.367.56
110°3.695.036.006.576.897.157.377.657.84
120°3.534.855.856.486.847.117.377.898.20
135°3.134.365.386.186.646.957.237.808.46
150°2.573.724.765.636.286.696.987.518.15
Run VMG2.223.224.134.905.596.136.547.097.60
Gybe Angles147.1°147.1°151.6°155.0°161.5°168.2°177.2°178.6°178.1°
APH ToD:622.2CDL: 7.719APH ToT: 0.9644CertNo: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 Allowance0.670%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight170 kg(default)Minimum weight120 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.
Double HandedClub 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 VMG1569.31148.9955.9857.5803.0774.9760.9752.0757.2
52°1018.0763.3651.1593.0564.7549.6541.9535.9534.8
60°966.9729.2626.7576.2551.2537.1528.6521.8519.2
75°937.2707.7609.9563.6539.7524.8514.2501.7495.7
90°969.4719.7608.6555.3530.5519.8508.7488.8476.0
110°975.3715.9599.6548.4522.2503.8488.3470.8459.1
120°1018.5742.1615.3555.3526.2506.0488.3456.4438.8
135°1151.6825.4668.7582.9541.9517.7498.2461.2425.6
150°1399.7967.2755.7639.8573.0538.2516.0479.4441.6
Run VMG1618.41116.8871.5734.2644.2586.8550.2507.9473.7
Selected Courses
Windward / Leeward1591.61132.9913.7795.9723.6680.9655.5629.9615.5
All purpose1210.6878.4723.5643.4599.2574.1557.8537.3523.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward757.50.7921
All purpose622.20.9644
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6939
Downwind "popa"0.8381
70% up, 30% down "Ilhabela"0.7316
30% up, 70% down "Ilhabela-inverso"0.7889
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Predominantly Upwind671.90.8930
Predominantly Downwind631.60.9499
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low801.00.7491
Triple Number AP Medium618.10.9708
Triple Number AP High554.21.0826
Triple Number Windward/Leeward Low1068.60.5615
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Single Number Predominant Upwind698.10.8594
Single Number Predominant Reaching622.40.9640
Single Number Predominant Downwind660.40.9086
Predominant Upwind - Low960.50.6246
Predominant Upwind - Low/Med738.30.8127
Predominant Upwind - Medium650.00.9231
Predominant Upwind - Med/High605.70.9906
Predominant Upwind - High588.91.0188
Predominant Downwind Low970.40.6183
Predominant Downwind Low/Med715.90.8381
Predominant Downwind Medium607.80.9871
Predominant Downwind Med/High545.31.1002
Predominant Downwind High512.81.1701
Predominant Reaching Low864.30.6942
Predominant Reaching Low/Med660.30.9086
Predominant Reaching Medium579.91.0347
Predominant Reaching Med/High536.91.1176
Predominant Reaching High513.21.1692
SA/DSPL Upwind17.91SA/DSPL Downwind29.39
Scoring OptionTODTOT
5-Band Windward/Leeward Low1193.30.5028
5-Band Windward/Leeward Low/Med876.40.6846
5-Band Windward/Leeward Medium738.70.8123
5-Band Windward/Leeward Med/High661.20.9074
5-Band Windward/Leeward High631.90.9496
Windward/Leeward 60-40 Low1195.80.5018
Windward/Leeward 60-40 Low/Med886.50.6768
Windward/Leeward 60-40 Medium754.20.7955
Windward/Leeward 60-40 Med/High682.00.8797
Windward/Leeward 60-40 High656.40.9141
5-Band AP Low886.50.6768
5-Band AP Low/Med699.70.8575
5-Band AP Medium609.20.9848
5-Band AP Med/High560.61.0703
5-Band AP High538.51.1141
5-Band SF Bay Tour - Low1029.90.5826
5-Band SF Bay Tour - Low/Med839.90.7144
5-Band SF Bay Tour - Medium716.20.8377
5-Band SF Bay Tour - Med/High649.10.9244
5-Band SF Bay Tour - High622.60.9637
Chicago-Mac Upwind0.8325
Chicago-Mac All Purpose0.8569
Chicago-Mac Downwind0.8762
Bayview-Mac Cove Island0.6283
Bayview-Mac Shore0.6330
Harvest Moon Regatta545.51.0998
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance675.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating675.50.8883
FinRating, kevyt tuuli1174.20.8516
FinRating, kova tuuli542.40.9219
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8883
Triple Number Coastal/Long Distance Low0.7491
Triple Number Coastal/Long Distance Medium0.9709
Triple Number Coastal/Long Distance High1.0826
Triple Number Windward/Leeward Low0.5863
Triple Number Windward/Leeward Medium0.7970
Triple Number Windward/Leeward High0.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
For information
General Purpose Handicap (GPH)698.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low801.0
Triple Number Coastal/Long Distance Medium618.0
Triple Number Coastal/Long Distance High554.2
Triple Number Windward/Leeward Low1023.4
Triple Number Windward/Leeward Medium752.8
Triple Number Windward/Leeward High652.2
Predominantly Upwind671.9
Predominantly Downwind631.6
Predominantly Reaching607.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7491
Triple Number Coastal/Long Distance Medium0.9709
Triple Number Coastal/Long Distance High1.0826
Triple Number Windward/Leeward Low0.5863
Triple Number Windward/Leeward Medium0.7970
Triple Number Windward/Leeward High0.9199
Coastal/Long Distance0.8883
Predominantly Upwind0.8930
Predominantly Downwind0.9499
For information
General Purpose Handicap (GPH)698.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9644
Distanseseilas Trippeltall svak vind0.7491
Distanseseilas Trippeltall mellomvind0.9709
Distanseseilas Trippeltall sterk vind1.0826
Pølsebane Trippeltall svak vind0.5863
Pølsebane Trippeltall mellomvind0.7970
Pølsebane Trippeltall sterk vind0.9199
Motvind Singeltall0.8930
Medvind Singeltall0.9499
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Coastal/Long Distance675.50.8883
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind671.90.8930
Predominantly Downwind631.60.9499
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore619.80.9680
Cape Doctor Coastal527.81.1367
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7491
Triple Number Coastal/Long Distance Medium0.9709
Triple Number Coastal/Long Distance High1.0826
Triple Number Windward/Leeward Low0.5863
Triple Number Windward/Leeward Medium0.7970
Triple Number Windward/Leeward High0.9199
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7491
Triple Number Coastal/Long Distance Medium0.9709
Triple Number Coastal/Long Distance High1.0826
Triple Number Windward/Leeward Low0.5863
Triple Number Windward/Leeward Medium0.7970
Triple Number Windward/Leeward High0.9199
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Predominantly Upwind671.90.8930
Predominantly Downwind631.60.9499
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance675.50.8883
Triple Number Coastal/Long Distance Low801.00.7491
Triple Number Coastal/Long Distance Medium618.00.9709
Triple Number Coastal/Long Distance High554.21.0826
Triple Number Windward/Leeward Low1023.40.5863
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1687.11131.3861.3720.8638.1595.3564.3516.3501.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low801.00.7491
Triple Number AP Medium618.10.9708
Triple Number AP High554.21.0826
Triple Number Windward/Leeward Low1068.60.5615
Triple Number Windward/Leeward Medium752.80.7970
Triple Number Windward/Leeward High652.20.9199
Single Number Predominant Upwind698.10.8594
Single Number Predominant Reaching622.40.9640
Single Number Predominant Downwind660.40.9086
Predominant Upwind - Low960.50.6246
Predominant Upwind - Low/Med738.30.8127
Predominant Upwind - Medium650.00.9231
Predominant Upwind - Med/High605.70.9906
Predominant Upwind - High588.91.0188
Predominant Downwind Low970.40.6183
Predominant Downwind Low/Med715.90.8381
Predominant Downwind Medium607.80.9871
Predominant Downwind Med/High545.31.1002
Predominant Downwind High512.81.1701
Predominant Reaching Low864.30.6942
Predominant Reaching Low/Med660.30.9086
Predominant Reaching Medium579.91.0347
Predominant Reaching Med/High536.91.1176
Predominant Reaching High513.21.1692
SA/DSPL Upwind17.91SA/DSPL Downwind29.39
Scoring OptionTODTOT
5-Band Windward/Leeward Low1193.30.5028
5-Band Windward/Leeward Low/Med876.40.6846
5-Band Windward/Leeward Medium738.70.8123
5-Band Windward/Leeward Med/High661.20.9074
5-Band Windward/Leeward High631.90.9496
Windward/Leeward 60-40 Low1195.80.5018
Windward/Leeward 60-40 Low/Med886.50.6768
Windward/Leeward 60-40 Medium754.20.7955
Windward/Leeward 60-40 Med/High682.00.8797
Windward/Leeward 60-40 High656.40.9141
5-Band AP Low886.50.6768
5-Band AP Low/Med699.70.8575
5-Band AP Medium609.20.9848
5-Band AP Med/High560.61.0703
5-Band AP High538.51.1141
5-Band SF Bay Tour - Low1029.90.5826
5-Band SF Bay Tour - Low/Med839.90.7144
5-Band SF Bay Tour - Medium716.20.8377
5-Band SF Bay Tour - Med/High649.10.9244
5-Band SF Bay Tour - High622.60.9637
Chicago-Mac Upwind0.8325
Chicago-Mac All Purpose0.8569
Chicago-Mac Downwind0.8762
Bayview-Mac Cove Island0.6283
Bayview-Mac Shore0.6330
Harvest Moon Regatta545.51.0998
Double HandedClub Certificate2025
Rosy MaesNED 7513
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassStadt 34Measurement01/01/2016HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.250Max. Beam3.272Draft2.115Displacement6,444Wetted area24.69IMS L8.522LSM08.528Acc. length10.250Sink (kg/mm) 17.19
VCGD-0.090VCGM-0.071RM Rated (kg·m) 117.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.410PBW0.000PIPA0.0082
APH0.000APT0.000APB0.000
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle 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
Double HandedClub 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.