Club Certificate2025
SCOURGEUSA 81
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles43.1°43.1°41.0°38.0°37.0°36.6°36.5°36.7°38.1°
Beat VMG2.633.624.394.855.035.115.155.175.07
52°4.155.526.406.786.977.077.127.197.14
60°4.485.816.576.937.177.307.387.497.49
75°4.665.976.677.067.407.657.808.068.20
90°4.485.826.617.077.477.858.208.689.06
110°3.945.436.537.117.618.058.429.079.83
120°3.805.276.397.037.598.168.799.8911.12
135°3.324.735.926.707.257.848.5010.5613.48
150°2.743.985.116.086.777.287.829.1412.14
Run VMG2.373.444.425.275.996.536.997.9810.51
Gybe Angles145.1°145.1°148.9°151.6°158.5°165.7°166.0°160.4°143.5°
APH ToD:561.1CDL: 8.551APH ToT: 1.0692CertNo:US8130
BOAT
ClassOlson 30DesignerOlsonBuilderPacific BoatsAge date01/1980Series date01/1980Offset fileOLS30.OFFData fileUS81-30
HULL
Length Overall9.153 mMaximum Beam2.804 mDraft1.503 mDisplacement1,698 kgDLR3.2197IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight508 kg(default)Minimum weight378 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.8819.25Headsail Luffed31.4231.42Headsail FlyingSymmetric58.6358.63Asymmetric
STORM SAIL AREAS (m²)
Trysail5.52Storm Jib6.03Heavy Weather Jib16.27
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.
ORC Ref  04560003T2JIssued on 30/05/2025Valid until 31/01/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
SCOURGEUSA 81
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1371.0993.8820.0741.7715.9704.0699.4696.9710.7
52°868.2652.4562.6530.8516.4508.9505.4500.6504.4
60°803.9619.6548.2519.4501.8493.0488.1480.5480.4
75°772.3602.8539.9509.6486.4470.4461.7446.9439.0
90°804.0618.2544.4509.0481.6458.9439.2415.0397.4
110°913.4663.4551.7506.4473.4447.1427.6396.7366.1
120°946.5682.9563.5512.2474.0441.0409.5364.2323.8
135°1083.8760.5608.0537.6496.3459.3423.4341.0267.1
150°1311.5905.5705.0592.1531.9494.4460.6393.8296.6
Run VMG1516.61045.6814.0682.8601.2551.4515.1451.0342.5
Selected Courses
Windward / Leeward1442.41019.7817.0712.2658.6627.7607.3573.9526.6
All purpose1080.8783.4646.3580.7544.4520.5502.3471.2439.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward687.70.8725
All purpose561.11.0692
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7819
Downwind "popa"0.9011
70% up, 30% down "Ilhabela"0.8142
30% up, 70% down "Ilhabela-inverso"0.8617
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Predominantly Upwind602.90.9953
Predominantly Downwind573.81.0457
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low714.80.8393
Triple Number AP Medium559.11.0732
Triple Number AP High495.21.2116
Triple Number Windward/Leeward Low960.40.6247
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Single Number Predominant Upwind624.50.9607
Single Number Predominant Reaching555.91.0793
Single Number Predominant Downwind597.01.0050
Predominant Upwind - Low840.50.7138
Predominant Upwind - Low/Med652.90.9189
Predominant Upwind - Medium586.01.0238
Predominant Upwind - Med/High550.51.0899
Predominant Upwind - High530.21.1317
Predominant Downwind Low882.60.6798
Predominant Downwind Low/Med652.50.9196
Predominant Downwind Medium555.41.0803
Predominant Downwind Med/High487.11.2318
Predominant Downwind High431.91.3891
Predominant Reaching Low765.60.7837
Predominant Reaching Low/Med593.91.0102
Predominant Reaching Medium525.01.1428
Predominant Reaching Med/High474.61.2641
Predominant Reaching High435.81.3766
SA/DSPL Upwind35.27SA/DSPL Downwind54.35
Scoring OptionTODTOT
5-Band Windward/Leeward Low1075.10.5581
5-Band Windward/Leeward Low/Med786.50.7628
5-Band Windward/Leeward Medium671.20.8939
5-Band Windward/Leeward Med/High609.40.9846
5-Band Windward/Leeward High571.51.0499
Windward/Leeward 60-40 Low1069.00.5613
Windward/Leeward 60-40 Low/Med789.80.7597
Windward/Leeward 60-40 Medium682.00.8797
Windward/Leeward 60-40 Med/High627.70.9558
Windward/Leeward 60-40 High597.11.0048
5-Band AP Low793.50.7561
5-Band AP Low/Med628.30.9550
5-Band AP Medium551.41.0882
5-Band AP Med/High503.71.1913
5-Band AP High471.01.2738
5-Band SF Bay Tour - Low921.90.6508
5-Band SF Bay Tour - Low/Med750.90.7990
5-Band SF Bay Tour - Medium647.80.9262
5-Band SF Bay Tour - Med/High591.61.0142
5-Band SF Bay Tour - High555.31.0804
Chicago-Mac Upwind0.9341
Chicago-Mac All Purpose0.9533
Chicago-Mac Downwind0.9652
Bayview-Mac Cove Island0.7001
Bayview-Mac Shore0.7066
Harvest Moon Regatta483.11.2419
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance609.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating609.00.9852
FinRating, kevyt tuuli1057.50.9456
FinRating, kova tuuli470.01.0639
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9852
Triple Number Coastal/Long Distance Low0.8393
Triple Number Coastal/Long Distance Medium1.0733
Triple Number Coastal/Long Distance High1.2116
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
For information
General Purpose Handicap (GPH)628.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low714.9
Triple Number Coastal/Long Distance Medium559.0
Triple Number Coastal/Long Distance High495.2
Triple Number Windward/Leeward Low918.4
Triple Number Windward/Leeward Medium682.0
Triple Number Windward/Leeward High599.9
Predominantly Upwind602.9
Predominantly Downwind573.8
Predominantly Reaching548.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8393
Triple Number Coastal/Long Distance Medium1.0733
Triple Number Coastal/Long Distance High1.2116
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0002
Coastal/Long Distance0.9852
Predominantly Upwind0.9953
Predominantly Downwind1.0457
For information
General Purpose Handicap (GPH)628.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0692
Distanseseilas Trippeltall svak vind0.8393
Distanseseilas Trippeltall mellomvind1.0733
Distanseseilas Trippeltall sterk vind1.2116
Pølsebane Trippeltall svak vind0.6533
Pølsebane Trippeltall mellomvind0.8798
Pølsebane Trippeltall sterk vind1.0002
Motvind Singeltall0.9953
Medvind Singeltall1.0457
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Coastal/Long Distance609.00.9852
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind602.90.9953
Predominantly Downwind573.81.0457
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore540.81.1095
Cape Doctor Coastal448.71.3371
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8393
Triple Number Coastal/Long Distance Medium1.0733
Triple Number Coastal/Long Distance High1.2116
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0002
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8393
Triple Number Coastal/Long Distance Medium1.0733
Triple Number Coastal/Long Distance High1.2116
Triple Number Windward/Leeward Low0.6533
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0002
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Predominantly Upwind602.90.9953
Predominantly Downwind573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.00.9852
Triple Number Coastal/Long Distance Low714.90.8393
Triple Number Coastal/Long Distance Medium559.01.0733
Triple Number Coastal/Long Distance High495.21.2116
Triple Number Windward/Leeward Low918.40.6533
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1542.51022.3771.7647.9579.3539.9505.9448.3415.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low714.80.8393
Triple Number AP Medium559.11.0732
Triple Number AP High495.21.2116
Triple Number Windward/Leeward Low960.40.6247
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High599.91.0002
Single Number Predominant Upwind624.50.9607
Single Number Predominant Reaching555.91.0793
Single Number Predominant Downwind597.01.0050
Predominant Upwind - Low840.50.7138
Predominant Upwind - Low/Med652.90.9189
Predominant Upwind - Medium586.01.0238
Predominant Upwind - Med/High550.51.0899
Predominant Upwind - High530.21.1317
Predominant Downwind Low882.60.6798
Predominant Downwind Low/Med652.50.9196
Predominant Downwind Medium555.41.0803
Predominant Downwind Med/High487.11.2318
Predominant Downwind High431.91.3891
Predominant Reaching Low765.60.7837
Predominant Reaching Low/Med593.91.0102
Predominant Reaching Medium525.01.1428
Predominant Reaching Med/High474.61.2641
Predominant Reaching High435.81.3766
SA/DSPL Upwind35.27SA/DSPL Downwind54.35
Scoring OptionTODTOT
5-Band Windward/Leeward Low1075.10.5581
5-Band Windward/Leeward Low/Med786.50.7628
5-Band Windward/Leeward Medium671.20.8939
5-Band Windward/Leeward Med/High609.40.9846
5-Band Windward/Leeward High571.51.0499
Windward/Leeward 60-40 Low1069.00.5613
Windward/Leeward 60-40 Low/Med789.80.7597
Windward/Leeward 60-40 Medium682.00.8797
Windward/Leeward 60-40 Med/High627.70.9558
Windward/Leeward 60-40 High597.11.0048
5-Band AP Low793.50.7561
5-Band AP Low/Med628.30.9550
5-Band AP Medium551.41.0882
5-Band AP Med/High503.71.1913
5-Band AP High471.01.2738
5-Band SF Bay Tour - Low921.90.6508
5-Band SF Bay Tour - Low/Med750.90.7990
5-Band SF Bay Tour - Medium647.80.9262
5-Band SF Bay Tour - Med/High591.61.0142
5-Band SF Bay Tour - High555.31.0804
Chicago-Mac Upwind0.9341
Chicago-Mac All Purpose0.9533
Chicago-Mac Downwind0.9652
Bayview-Mac Cove Island0.7001
Bayview-Mac Shore0.7066
Harvest Moon Regatta483.11.2419
ORC Ref  04560003T2JIssued on 30/05/2025Valid until 31/01/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
SCOURGEUSA 81
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOlson 30MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.153Max. Beam2.804Draft1.503Displacement1,698Wetted area13.99IMS L8.399LSM08.079Acc. length9.114Sink (kg/mm) 10.81
VCGD-0.199VCGM-0.178RM Rated (kg·m) 40.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight508Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P9.604IG10.975ISP10.975MDT10.104MDL10.146MDT2MDL2TLTaperMWGO
E3.279J3.584BAS1.247FSD0.029SFJ0.320SPL3.651WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/07/2016
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560003T2JIssued on 30/05/2025Valid until 31/01/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
SCOURGEUSA 81
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.661.252.142.7818.88
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.000.711.432.874.335.8510.84NoNo 31.42
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS111.0011.0011.006.426.3058.6308/07/2024sob20241
ORC Ref  04560003T2JIssued on 30/05/2025Valid until 31/01/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org