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°38.7°37.2°36.6°36.3°35.8°
Beat VMG4.215.095.515.725.835.906.03
52°6.407.467.797.938.028.078.25
60°6.777.677.998.158.268.338.51
75°7.047.818.228.508.678.798.95
90°6.977.808.308.699.069.299.58
110°6.537.668.218.789.379.9010.68
120°6.137.418.098.699.309.9311.19
135°5.446.807.738.288.889.5511.27
150°4.585.806.917.728.248.7910.08
Run VMG3.975.025.986.787.397.928.92
Gybe Angles142.6°146.0°149.3°155.6°164.6°175.4°173.6°

APH: 490.0

CDL: 11.120

GPH: 547.1

CertNo: US2838

BOAT
ClassSYDNEY 41DesignerMURRAYBuilderBASHFORDAge date08/1994Series date08/1994Offset fileUS30993.OFFData fileUS2838
HULL
Length Overall12.450 mMaximum Beam3.749 mDraft2.766 mDisplacement5,569 kgDLR4.7278IMS DivisionDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.418m
CREW
Maximum weight900 kgMinimum weight675 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail48.7349.76Headsail Luffed64.7464.74Headsail FlyingSymmetric123.76123.76Asymmetric86.3798.46 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail14.28Storm Jib14.92Heavy Weather Jib40.28
SAIL LIMITS
Headsails6  Spinnakers4 * Asymmetric may be tacked on the pole
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.
ORC Ref  0456000273PIssued on 13/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

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 VMG855.6707.4653.4629.3617.4610.5597.1
52°562.4482.5462.3453.8448.7446.2436.6
60°532.1469.2450.5441.7436.1432.2422.8
75°511.7461.0438.2423.8415.1409.4402.1
90°516.8461.3433.5414.5397.5387.3375.8
110°551.2470.1438.3410.1384.4363.5337.0
120°587.3485.6444.8414.5387.2362.5321.8
135°661.5529.2465.5434.7405.3377.0319.4
150°785.7620.5521.0466.3437.0409.6357.2
Run VMG907.3716.5601.6531.3487.1454.4403.7
Selected Courses
Windward / Leeward881.4712.0627.5580.3552.3532.4500.4
All purpose672.3558.5506.4476.7456.7441.5415.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward603.60.9941
All purpose490.01.2244
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8992
Downwind "popa"1.0239
70% up, 30% down "Ilhabela"0.9333
30% up, 70% down "Ilhabela-inverso"0.9830
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Predominantly Upwind525.81.1411
Predominantly Downwind502.31.1945
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low615.40.9749
Triple Number All Purpose Medium488.41.2284
Triple Number All Purpose High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Predominantly Upwind525.81.1411
Predominantly Downwind502.31.1945
Predominantly Upwind Low670.20.8952
Predominantly Upwind Medium541.71.1077
Predominantly Upwind High511.71.1727
Predominantly Downwind Low692.00.8670
Predominantly Downwind Medium503.41.1919
Predominantly Downwind High414.41.4480
Chicago-Mac Upwind1.1226
Chicago-Mac All Purpose1.1462
Chicago-Mac Downwind1.1736
Bayview-Mac Cove Island1.0789
Bayview-Mac Shore1.0920
Victoria-Maui1.2607
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance533.5
Triple Number Coastal/Long Distance Low615.4
Triple Number Coastal/Long Distance Medium488.4
Triple Number Coastal/Long Distance High435.5
Triple Number Windward/Leeward Low796.7
Triple Number Windward/Leeward Medium600.0
Triple Number Windward/Leeward High525.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9749
Triple Number Coastal/Long Distance Medium1.2284
Triple Number Coastal/Long Distance High1.3778
Triple Number Windward/Leeward Low0.7531
Triple Number Windward/Leeward Medium1.0000
Triple Number Windward/Leeward High1.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low615.4
Triple Number Coastal/Long Distance Medium488.4
Triple Number Coastal/Long Distance High435.5
Triple Number Windward/Leeward Low796.7
Triple Number Windward/Leeward Medium600.0
Triple Number Windward/Leeward High525.4
Predominantly Upwind525.8
Predominantly Downwind502.3
Predominantly Reaching477.7
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9749
Triple Number Coastal/Long Distance Medium1.2284
Triple Number Coastal/Long Distance High1.3778
Triple Number Windward/Leeward Low0.7531
Triple Number Windward/Leeward Medium1.0000
Triple Number Windward/Leeward High1.1420
Coastal/Long Distance1.1246
Predominantly Upwind1.1411
Predominantly Downwind1.1945
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1246
Tretall Distanseseilas Lite vind0.9749
Tretall Distanseseilas Mellomvind1.2284
Tretall Distanseseilas Mye vind1.3778
Tretall Pølsebane Lite vind0.7531
Tretall Pølsebane Mellomvind1.0000
Tretall Pølsebane Mye vind1.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Coastal/Long Distance533.51.1246
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind525.81.1411
Predominantly Downwind502.31.1945
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore510.01.1765
Cape Doctor Coastal423.11.4180
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9749
Triple Number Coastal/Long Distance Medium1.2284
Triple Number Coastal/Long Distance High1.3778
Triple Number Windward/Leeward Low0.7531
Triple Number Windward/Leeward Medium1.0000
Triple Number Windward/Leeward High1.1420
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9749
Triple Number Coastal/Long Distance Medium1.2284
Triple Number Coastal/Long Distance High1.3778
Triple Number Windward/Leeward Low0.7531
Triple Number Windward/Leeward Medium1.0000
Triple Number Windward/Leeward High1.1420
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Predominantly Upwind525.81.1411
Predominantly Downwind502.31.1945
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance533.51.1246
Triple Number Coastal/Long Distance Low615.40.9749
Triple Number Coastal/Long Distance Medium488.41.2284
Triple Number Coastal/Long Distance High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance884.0671.4568.2508.3474.5446.0397.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low615.40.9749
Triple Number All Purpose Medium488.41.2284
Triple Number All Purpose High435.51.3778
Triple Number Windward/Leeward Low796.70.7531
Triple Number Windward/Leeward Medium600.01.0000
Triple Number Windward/Leeward High525.41.1420
Predominantly Upwind525.81.1411
Predominantly Downwind502.31.1945
Predominantly Upwind Low670.20.8952
Predominantly Upwind Medium541.71.1077
Predominantly Upwind High511.71.1727
Predominantly Downwind Low692.00.8670
Predominantly Downwind Medium503.41.1919
Predominantly Downwind High414.41.4480
Chicago-Mac Upwind1.1226
Chicago-Mac All Purpose1.1462
Chicago-Mac Downwind1.1736
Bayview-Mac Cove Island1.0789
Bayview-Mac Shore1.0920
Harvest Moon Regatta434.41.3812
Victoria-Maui1.2607
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low868.40.6909
5-Band Low / Medium731.20.8206
5-Band Medium590.41.0162
5-Band Medium / High534.41.1228
5-Band High505.91.1859
ORC Ref  0456000273PIssued on 13/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

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
LOA12.450Max. Beam3.749Draft2.766Displacement5,569Wetted area28.57IMS L10.979LSM010.560Acc. length12.184Sink (kg/mm) 21.81
VCGD-0.036VCGM0.034RM Measured (kg·m) 162.7RM Default (kg·m) 182.2Limit 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
ORC Ref  0456000273PIssued on 13/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

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.DateMakerMaterialCommentS216.9516.9516.958.828.53123.7630/06/2022UK ChicagoUnknown11747017.0517.0517.058.648.17121.422017 Small SYM TRIAL
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentC-017.3115.4816.405.937.8975%86.3730/06/2022UK ChicagoUnknown
ORC Ref  0456000273PIssued on 13/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org