Club Certificate2025
LaurelleR18
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
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 Angles44.0°44.0°41.9°40.2°38.9°38.0°37.5°37.3°37.7°
Beat VMG2.433.384.154.735.075.225.315.395.38
52°3.845.206.206.867.197.327.407.487.51
60°4.115.516.477.057.367.517.597.697.74
75°4.285.706.647.187.517.737.888.058.16
90°4.125.576.617.247.537.818.058.398.59
110°4.065.596.757.407.798.098.308.638.82
120°3.915.416.587.307.758.148.499.029.45
135°3.434.846.036.937.497.928.349.2110.57
150°2.834.105.266.257.017.517.918.739.73
Run VMG2.453.554.565.426.176.797.278.028.77
Gybe Angles144.9°144.9°149.2°152.7°157.6°165.1°171.4°176.3°175.4°
APH ToD:555.2CDL: 9.586APH ToT: 1.0808CertNo:3054
BOAT
ClassNorthshore 38DesignerHank KaufmannBuilderNorthshore YachtsAge date01/1989Series date01/1980Offset fileVIVAC.OFFData file3054
HULL
Length Overall11.620 mMaximum Beam3.310 mDraft1.941 mDisplacement6,163 kgDLR5.8599IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight705 kg(default)Minimum weight575 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.0940.61Headsail Luffed39.4939.49Headsail FlyingSymmetric95.1395.13Asymmetric
STORM SAIL AREAS (m²)
Trysail12.67Storm Jib8.33Heavy Weather Jib22.47
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
LaurelleR18
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
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 VMG1479.21064.5867.3761.4709.9689.2678.1667.9669.5
52°938.5692.0580.2525.0500.9491.5486.5481.0479.2
60°875.5653.8556.6510.9489.3479.2474.1467.9465.2
75°841.1631.8542.0501.2479.5465.8457.0447.5441.4
90°874.5646.6544.6497.4478.0461.1447.5429.3419.2
110°887.1643.7533.4486.8462.4445.2433.9416.9408.1
120°921.7665.5547.4493.0464.5442.3424.0398.9380.8
135°1050.3744.1596.9519.7480.7454.8431.9391.0340.7
150°1271.5877.5684.2576.4513.5479.2454.9412.3369.9
Run VMG1467.91013.3790.0663.9583.7530.4495.1448.8410.4
Selected Courses
Windward / Leeward1472.51038.9828.7712.6646.8609.8586.6558.4540.0
All purpose1111.8798.6650.6574.0533.5510.5495.1473.7457.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward679.90.8825
All purpose555.21.0808
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7723
Downwind "popa"0.9281
70% up, 30% down "Ilhabela"0.8133
30% up, 70% down "Ilhabela-inverso"0.8752
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Predominantly Upwind600.30.9995
Predominantly Downwind565.21.0616
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low724.60.8280
Triple Number AP Medium551.11.0887
Triple Number AP High490.91.2222
Triple Number Windward/Leeward Low976.20.6147
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Single Number Predominant Upwind625.50.9592
Single Number Predominant Reaching555.81.0796
Single Number Predominant Downwind591.11.0151
Predominant Upwind - Low878.40.6831
Predominant Upwind - Low/Med662.70.9054
Predominant Upwind - Medium578.91.0365
Predominant Upwind - Med/High538.71.1137
Predominant Upwind - High521.61.1504
Predominant Downwind Low880.30.6816
Predominant Downwind Low/Med643.60.9322
Predominant Downwind Medium543.61.1038
Predominant Downwind Med/High482.91.2424
Predominant Downwind High447.61.3405
Predominant Reaching Low783.00.7663
Predominant Reaching Low/Med591.91.0137
Predominant Reaching Medium517.11.1604
Predominant Reaching Med/High474.31.2651
Predominant Reaching High449.01.3364
SA/DSPL Upwind23.53SA/DSPL Downwind39.98
Scoring OptionTODTOT
5-Band Windward/Leeward Low1095.00.5479
5-Band Windward/Leeward Low/Med791.90.7577
5-Band Windward/Leeward Medium661.70.9067
5-Band Windward/Leeward Med/High590.81.0156
5-Band Windward/Leeward High560.11.0713
Windward/Leeward 60-40 Low1099.80.5456
Windward/Leeward 60-40 Low/Med800.70.7494
Windward/Leeward 60-40 Medium674.50.8896
Windward/Leeward 60-40 Med/High608.80.9855
Windward/Leeward 60-40 High582.01.0309
5-Band AP Low802.90.7473
5-Band AP Low/Med628.10.9552
5-Band AP Medium542.91.1051
5-Band AP Med/High497.31.2065
5-Band AP High474.71.2641
5-Band SF Bay Tour - Low942.00.6370
5-Band SF Bay Tour - Low/Med757.50.7921
5-Band SF Bay Tour - Medium639.60.9381
5-Band SF Bay Tour - Med/High577.51.0390
5-Band SF Bay Tour - High549.31.0923
Chicago-Mac Upwind0.9285
Chicago-Mac All Purpose0.9554
Chicago-Mac Downwind0.9768
Bayview-Mac Cove Island0.6909
Bayview-Mac Shore0.6959
Harvest Moon Regatta483.51.2409
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance604.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating604.10.9932
FinRating, kevyt tuuli1075.90.9295
FinRating, kova tuuli477.71.0466
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9932
Triple Number Coastal/Long Distance Low0.8280
Triple Number Coastal/Long Distance Medium1.0889
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8893
Triple Number Windward/Leeward High1.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
For information
General Purpose Handicap (GPH)625.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low724.6
Triple Number Coastal/Long Distance Medium551.0
Triple Number Coastal/Long Distance High490.9
Triple Number Windward/Leeward Low933.9
Triple Number Windward/Leeward Medium674.7
Triple Number Windward/Leeward High581.8
Predominantly Upwind600.3
Predominantly Downwind565.2
Predominantly Reaching542.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8280
Triple Number Coastal/Long Distance Medium1.0889
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8893
Triple Number Windward/Leeward High1.0313
Coastal/Long Distance0.9932
Predominantly Upwind0.9995
Predominantly Downwind1.0616
For information
General Purpose Handicap (GPH)625.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0808
Distanseseilas Trippeltall svak vind0.8280
Distanseseilas Trippeltall mellomvind1.0889
Distanseseilas Trippeltall sterk vind1.2222
Pølsebane Trippeltall svak vind0.6425
Pølsebane Trippeltall mellomvind0.8893
Pølsebane Trippeltall sterk vind1.0313
Motvind Singeltall0.9995
Medvind Singeltall1.0616
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Coastal/Long Distance604.10.9932
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind600.30.9995
Predominantly Downwind565.21.0616
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore545.51.1000
Cape Doctor Coastal462.51.2973
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8280
Triple Number Coastal/Long Distance Medium1.0889
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8893
Triple Number Windward/Leeward High1.0313
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8280
Triple Number Coastal/Long Distance Medium1.0889
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6425
Triple Number Windward/Leeward Medium0.8893
Triple Number Windward/Leeward High1.0313
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Predominantly Upwind600.30.9995
Predominantly Downwind565.21.0616
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance604.10.9932
Triple Number Coastal/Long Distance Low724.60.8280
Triple Number Coastal/Long Distance Medium551.01.0889
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low933.90.6425
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1562.91036.3779.6644.4568.4529.4500.1455.5440.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low724.60.8280
Triple Number AP Medium551.11.0887
Triple Number AP High490.91.2222
Triple Number Windward/Leeward Low976.20.6147
Triple Number Windward/Leeward Medium674.70.8893
Triple Number Windward/Leeward High581.81.0313
Single Number Predominant Upwind625.50.9592
Single Number Predominant Reaching555.81.0796
Single Number Predominant Downwind591.11.0151
Predominant Upwind - Low878.40.6831
Predominant Upwind - Low/Med662.70.9054
Predominant Upwind - Medium578.91.0365
Predominant Upwind - Med/High538.71.1137
Predominant Upwind - High521.61.1504
Predominant Downwind Low880.30.6816
Predominant Downwind Low/Med643.60.9322
Predominant Downwind Medium543.61.1038
Predominant Downwind Med/High482.91.2424
Predominant Downwind High447.61.3405
Predominant Reaching Low783.00.7663
Predominant Reaching Low/Med591.91.0137
Predominant Reaching Medium517.11.1604
Predominant Reaching Med/High474.31.2651
Predominant Reaching High449.01.3364
SA/DSPL Upwind23.53SA/DSPL Downwind39.98
Scoring OptionTODTOT
5-Band Windward/Leeward Low1095.00.5479
5-Band Windward/Leeward Low/Med791.90.7577
5-Band Windward/Leeward Medium661.70.9067
5-Band Windward/Leeward Med/High590.81.0156
5-Band Windward/Leeward High560.11.0713
Windward/Leeward 60-40 Low1099.80.5456
Windward/Leeward 60-40 Low/Med800.70.7494
Windward/Leeward 60-40 Medium674.50.8896
Windward/Leeward 60-40 Med/High608.80.9855
Windward/Leeward 60-40 High582.01.0309
5-Band AP Low802.90.7473
5-Band AP Low/Med628.10.9552
5-Band AP Medium542.91.1051
5-Band AP Med/High497.31.2065
5-Band AP High474.71.2641
5-Band SF Bay Tour - Low942.00.6370
5-Band SF Bay Tour - Low/Med757.50.7921
5-Band SF Bay Tour - Medium639.60.9381
5-Band SF Bay Tour - Med/High577.51.0390
5-Band SF Bay Tour - High549.31.0923
Chicago-Mac Upwind0.9285
Chicago-Mac All Purpose0.9554
Chicago-Mac Downwind0.9768
Bayview-Mac Cove Island0.6909
Bayview-Mac Shore0.6959
Harvest Moon Regatta483.51.2409
Club Certificate2025
LaurelleR18
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNorthshore 38Measurement11/01/2022HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.620Max. Beam3.310Draft1.941Displacement6,163Wetted area28.63IMS L10.322LSM010.168Acc. length10.758Sink (kg/mm) 20.22
VCGD0.067VCGM-0.004RM Rated (kg·m) 129.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight705Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0016
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.760IG12.900ISP15.330MDT10.130MDL10.202MDT2MDL2TLMWGO
E5.260J4.210BAS1.340FSDSFJSPL4.210WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/01/2022
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
LaurelleR18
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM1-20220.140.761.493.0240.0911/01/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-20220.080.761.493.026.3212.66NoNo 39.4911/01/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS1-202215.4115.4115.417.437.3295.1311/01/2022
CRUISER/RACER REQUIREMENTS*
Accommodation length10.8 mTable area0.55 m²Headroom1.75 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity120 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity66 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.