Club
Certificate
2022

Boat

UNKNOWN LADY NAI

USA 28380

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.0°40.8°38.8°37.6°37.0°36.6°36.4°
Beat VMG4.235.085.465.665.765.855.95
52°6.437.457.757.897.988.018.18
60°6.807.687.968.118.218.278.47
75°7.067.828.218.468.628.738.88
90°6.997.818.278.699.039.249.49
110°6.277.558.188.668.999.3010.18
120°6.077.428.108.699.299.7210.47
135°5.446.817.748.298.909.5811.31
150°4.585.816.927.738.258.8110.13
Run VMG3.975.035.996.787.407.938.94
Gybe Angles142.4°146.0°149.3°155.9°164.6°175.4°173.6°

APH: 492.6

CDL: 10.970

GPH: 549.4

CertNo: US2838

BOAT
ClassSYDNEY 41DesignerMURRAYBuilderBASHFORDAge date08/1994Series date08/1994Offset fileUS30993.OFFData fileUS2838
HULL
Length Overall12.461 mMaximum Beam3.749 mDraft2.766 mDisplacement5,569 kgDLR4.7278IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.418m
CREW
Maximum weight744 kgMinimum weight558 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail48.7349.76Headsail Luffed64.7464.74Headsail FlyingSymmetric121.42121.42Asymmetric
STORM SAIL AREAS (m²)
Trysail14.28Storm Jib14.92Heavy Weather Jib40.28
SAIL LIMITS
Headsails6  Spinnakers4
STABILITY
Righting Moment162.7 kg·mStability 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
Certificate
2022

Boat

UNKNOWN LADY NAI

USA 28380

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG851.9709.3659.3635.7625.4615.8605.2
52°559.9483.0464.5456.3451.4449.6439.9
60°529.7469.0452.3444.0438.7435.4424.8
75°509.8460.1438.3425.8417.7412.5405.3
90°514.8461.0435.5414.2398.9389.7379.5
110°574.1477.0440.0415.6400.4387.3353.7
120°593.0485.3444.4414.1387.5370.5343.8
135°661.3528.4464.9434.1404.4375.8318.2
150°785.8620.0520.2465.9436.3408.6355.5
Run VMG907.4715.9600.7530.7486.6453.8402.5
Selected Courses
Windward / Leeward879.6712.6630.0583.2556.0534.8503.9
All purpose673.2559.3508.0478.9460.5446.0420.3
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward606.10.9900
All purpose492.61.2181
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8931
Downwind "popa"1.0250
70% up, 30% down "Ilhabela"0.9290
30% up, 70% down "Ilhabela-inverso"0.9815
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Predominantly Upwind527.91.1365
Predominantly Downwind502.51.1941
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low616.20.9737
Triple Number All Purpose Medium490.71.2228
Triple Number All Purpose High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Predominantly Upwind527.91.1365
Predominantly Downwind502.51.1941
Predominantly Upwind Low669.40.8963
Predominantly Upwind Medium545.41.1001
Predominantly Upwind High516.41.1620
Predominantly Downwind Low691.50.8677
Predominantly Downwind Medium503.31.1922
Predominantly Downwind High414.31.4482
Chicago-Mac Upwind1.1176
Chicago-Mac All Purpose1.1433
Chicago-Mac Downwind1.1729
Bayview-Mac Cove Island1.0774
Bayview-Mac Shore1.0898
Victoria-Maui1.2572
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance535.5
Triple Number Coastal/Long Distance Low616.2
Triple Number Coastal/Long Distance Medium490.7
Triple Number Coastal/Long Distance High439.9
Triple Number Windward/Leeward Low796.2
Triple Number Windward/Leeward Medium602.8
Triple Number Windward/Leeward High528.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9737
Triple Number Coastal/Long Distance Medium1.2228
Triple Number Coastal/Long Distance High1.3638
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9954
Triple Number Windward/Leeward High1.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low616.2
Triple Number Coastal/Long Distance Medium490.7
Triple Number Coastal/Long Distance High439.9
Triple Number Windward/Leeward Low796.2
Triple Number Windward/Leeward Medium602.8
Triple Number Windward/Leeward High528.5
Predominantly Upwind527.9
Predominantly Downwind502.5
Predominantly Reaching478.1
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9737
Triple Number Coastal/Long Distance Medium1.2228
Triple Number Coastal/Long Distance High1.3638
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9954
Triple Number Windward/Leeward High1.1353
Coastal/Long Distance1.1205
Predominantly Upwind1.1365
Predominantly Downwind1.1941
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1205
Tretall Distanseseilas Lite vind0.9737
Tretall Distanseseilas Mellomvind1.2228
Tretall Distanseseilas Mye vind1.3638
Tretall Pølsebane Lite vind0.7536
Tretall Pølsebane Mellomvind0.9954
Tretall Pølsebane Mye vind1.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Coastal/Long Distance535.51.1205
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind527.91.1365
Predominantly Downwind502.51.1941
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore513.21.1692
Cape Doctor Coastal428.01.4019
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9737
Triple Number Coastal/Long Distance Medium1.2228
Triple Number Coastal/Long Distance High1.3638
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9954
Triple Number Windward/Leeward High1.1353
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9737
Triple Number Coastal/Long Distance Medium1.2228
Triple Number Coastal/Long Distance High1.3638
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9954
Triple Number Windward/Leeward High1.1353
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Predominantly Upwind527.91.1365
Predominantly Downwind502.51.1941
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance535.51.1205
Triple Number Coastal/Long Distance Low616.20.9737
Triple Number Coastal/Long Distance Medium490.71.2228
Triple Number Coastal/Long Distance High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance882.4671.9570.3510.3477.1449.5404.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low616.20.9737
Triple Number All Purpose Medium490.71.2228
Triple Number All Purpose High439.91.3638
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium602.80.9954
Triple Number Windward/Leeward High528.51.1353
Predominantly Upwind527.91.1365
Predominantly Downwind502.51.1941
Predominantly Upwind Low669.40.8963
Predominantly Upwind Medium545.41.1001
Predominantly Upwind High516.41.1620
Predominantly Downwind Low691.50.8677
Predominantly Downwind Medium503.31.1922
Predominantly Downwind High414.31.4482
Chicago-Mac Upwind1.1176
Chicago-Mac All Purpose1.1433
Chicago-Mac Downwind1.1729
Bayview-Mac Cove Island1.0774
Bayview-Mac Shore1.0898
Harvest Moon Regatta437.01.3730
Victoria-Maui1.2572
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low866.80.6922
5-Band Low / Medium731.70.8200
5-Band Medium593.21.0114
5-Band Medium / High537.21.1168
5-Band High509.21.1782

Club
Certificate
2022

Boat

UNKNOWN LADY NAI

USA 28380

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSYDNEY 41Measurement02/04/2002HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.461Max. Beam3.749Draft2.766Displacement5,569Wetted area28.57IMS L10.904LSM010.560Acc. length12.184Sink (kg/mm) 21.81
VCGD-0.036VCGM0.034RM Measured (kg·m) 162.7RM Default (kg·m) 179.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.418PBW0.105PIPA0.0032
EDL1.600ST10.038ST20.178
ST30.178ST40.109ST50.165
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3
P15.190IG17.112ISP17.175MDT10.130MDL10.223MDT20.118MDL20.160TL2.800MW0.160GO0.205
E5.370J4.840BAS1.785FSD0.037SFJ0.005SPL4.840WPLTPS0.000BD0.192MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/10/2010MeasurerComment
SFFP0.905FFMFF1.335LCFcl6.816SG1.0000
SAFP12.000FAMFA1.008LCFsh7.058HBI1.119
W190.8W290.8W390.8W490.8
PD1251.0PD2251.0PD3251.0PD4251.0
WD12.830PLM2029.30GSA91.6RSA6939.8
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
Total deductible

Club
Certificate
2022

Boat

UNKNOWN LADY NAI

USA 28380

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment00.191.142.043.494.5148.73
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment00.090.961.853.705.607.4717.35NoNo 64.7406/03/2019North Chicago Perry lewis2019 AP#1
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment017.0517.0517.058.648.17121.422017 Small SYM TRIAL