Double HandedClub Certificate2025
VAMOSUSA 30231
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 Angles43.0°43.0°40.5°39.4°39.2°39.2°39.3°40.4°43.7°
Beat VMG2.823.744.324.544.634.674.694.614.29
52°4.415.676.326.546.646.706.746.706.55
60°4.695.946.536.756.866.947.007.026.94
75°4.856.106.687.007.197.347.477.627.66
90°4.726.016.697.117.467.737.938.298.51
110°4.265.706.687.267.748.098.438.889.43
120°4.115.586.637.257.868.468.979.8710.38
135°3.514.996.196.927.538.229.0611.2713.24
150°2.934.205.326.256.907.478.109.9713.14
Run VMG2.533.634.615.426.106.657.168.6411.38
Gybe Angles140.6°140.6°146.2°149.8°159.0°164.8°163.7°143.1°146.4°
APH ToD:569.4CDL: 7.788APH ToT: 1.0538CertNo:US30231
BOAT
ClassOlson 30DesignerOlsonBuilderPacific BoatsAge date01/1984Series date01/1980Offset fileOLS30.OFFData fileUS30231
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 weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.3919.83Headsail Luffed31.0131.01Headsail FlyingSymmetric58.8258.82Asymmetric59.5059.50 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.52Storm Jib6.03Heavy Weather Jib16.27
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
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
VAMOSUSA 30231
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 VMG1276.6962.5833.7792.3777.9770.8768.0780.6838.7
52°815.5635.0569.8550.4542.6537.5534.4537.3549.4
60°767.7606.0551.6533.2524.8518.6514.2513.2518.6
75°742.5589.7538.6514.0500.7490.4482.0472.3470.0
90°763.4598.8538.5506.6482.5465.9454.1434.4423.1
110°845.3631.4538.8496.0465.2444.9426.9405.5381.8
120°875.2645.1543.3496.5458.0425.4401.5364.9346.8
135°1024.3721.7581.3520.5478.2438.2397.5319.3272.0
150°1228.4858.1676.5575.7521.5481.7444.7361.0274.0
Run VMG1421.6990.8781.1664.7590.0541.5503.1416.8316.4
Selected Courses
Windward / Leeward1346.1976.6807.4728.5684.0656.2635.5598.7577.5
All purpose1012.3752.2638.3587.1556.9535.7518.3490.0476.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward705.20.8508
All purpose569.41.0538
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7387
Downwind "popa"0.9358
70% up, 30% down "Ilhabela"0.7885
30% up, 70% down "Ilhabela-inverso"0.8664
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Predominantly Upwind621.80.9650
Predominantly Downwind566.21.0597
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low695.20.8630
Triple Number AP Medium568.51.0555
Triple Number AP High512.01.1718
Triple Number Windward/Leeward Low929.80.6453
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Single Number Predominant Upwind640.60.9366
Single Number Predominant Reaching554.41.0822
Single Number Predominant Downwind586.91.0223
Predominant Upwind - Low809.80.7409
Predominant Upwind - Low/Med659.60.9096
Predominant Upwind - Medium609.70.9842
Predominant Upwind - Med/High581.41.0320
Predominant Upwind - High569.81.0531
Predominant Downwind Low841.40.7131
Predominant Downwind Low/Med638.00.9405
Predominant Downwind Medium551.71.0875
Predominant Downwind Med/High485.01.2371
Predominant Downwind High430.71.3930
Predominant Reaching Low734.80.8166
Predominant Reaching Low/Med587.01.0221
Predominant Reaching Medium528.11.1362
Predominant Reaching Med/High482.81.2428
Predominant Reaching High449.81.3341
SA/DSPL Upwind35.35SA/DSPL Downwind55.32
Scoring OptionTODTOT
5-Band Windward/Leeward Low1027.40.5840
5-Band Windward/Leeward Low/Med786.30.7631
5-Band Windward/Leeward Medium693.00.8659
5-Band Windward/Leeward Med/High636.90.9421
5-Band Windward/Leeward High601.40.9977
Windward/Leeward 60-40 Low1023.70.5861
Windward/Leeward 60-40 Low/Med795.00.7547
Windward/Leeward 60-40 Medium710.90.8440
Windward/Leeward 60-40 Med/High663.80.9039
Windward/Leeward 60-40 High638.80.9392
5-Band AP Low759.90.7896
5-Band AP Low/Med625.00.9600
5-Band AP Medium561.91.0678
5-Band AP Med/High519.71.1544
5-Band AP High492.51.2183
5-Band SF Bay Tour - Low889.30.6747
5-Band SF Bay Tour - Low/Med751.90.7980
5-Band SF Bay Tour - Medium669.40.8964
5-Band SF Bay Tour - Med/High618.80.9697
5-Band SF Bay Tour - High587.81.0207
Chicago-Mac Upwind0.9147
Chicago-Mac All Purpose0.9515
Chicago-Mac Downwind0.9833
Bayview-Mac Cove Island0.7213
Bayview-Mac Shore0.7277
Harvest Moon Regatta481.71.2455
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance618.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating618.70.9698
FinRating, kevyt tuuli1007.00.9930
FinRating, kova tuuli494.11.0119
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9698
Triple Number Coastal/Long Distance Low0.8630
Triple Number Coastal/Long Distance Medium1.0555
Triple Number Coastal/Long Distance High1.1718
Triple Number Windward/Leeward Low0.6726
Triple Number Windward/Leeward Medium0.8545
Triple Number Windward/Leeward High0.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
For information
General Purpose Handicap (GPH)630.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low695.2
Triple Number Coastal/Long Distance Medium568.5
Triple Number Coastal/Long Distance High512.0
Triple Number Windward/Leeward Low892.1
Triple Number Windward/Leeward Medium702.2
Triple Number Windward/Leeward High626.9
Predominantly Upwind621.8
Predominantly Downwind566.2
Predominantly Reaching544.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8630
Triple Number Coastal/Long Distance Medium1.0555
Triple Number Coastal/Long Distance High1.1718
Triple Number Windward/Leeward Low0.6726
Triple Number Windward/Leeward Medium0.8545
Triple Number Windward/Leeward High0.9571
Coastal/Long Distance0.9698
Predominantly Upwind0.9650
Predominantly Downwind1.0597
For information
General Purpose Handicap (GPH)630.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0538
Distanseseilas Trippeltall svak vind0.8630
Distanseseilas Trippeltall mellomvind1.0555
Distanseseilas Trippeltall sterk vind1.1718
Pølsebane Trippeltall svak vind0.6726
Pølsebane Trippeltall mellomvind0.8545
Pølsebane Trippeltall sterk vind0.9571
Motvind Singeltall0.9650
Medvind Singeltall1.0597
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Coastal/Long Distance618.70.9698
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind621.80.9650
Predominantly Downwind566.21.0597
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore583.91.0276
Cape Doctor Coastal480.21.2495
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8630
Triple Number Coastal/Long Distance Medium1.0555
Triple Number Coastal/Long Distance High1.1718
Triple Number Windward/Leeward Low0.6726
Triple Number Windward/Leeward Medium0.8545
Triple Number Windward/Leeward High0.9571
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8630
Triple Number Coastal/Long Distance Medium1.0555
Triple Number Coastal/Long Distance High1.1718
Triple Number Windward/Leeward Low0.6726
Triple Number Windward/Leeward Medium0.8545
Triple Number Windward/Leeward High0.9571
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Predominantly Upwind621.80.9650
Predominantly Downwind566.21.0597
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance618.70.9698
Triple Number Coastal/Long Distance Low695.20.8630
Triple Number Coastal/Long Distance Medium568.51.0555
Triple Number Coastal/Long Distance High512.01.1718
Triple Number Windward/Leeward Low892.10.6726
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1432.7978.1761.4658.6595.8556.1521.9462.2443.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low695.20.8630
Triple Number AP Medium568.51.0555
Triple Number AP High512.01.1718
Triple Number Windward/Leeward Low929.80.6453
Triple Number Windward/Leeward Medium702.20.8545
Triple Number Windward/Leeward High626.90.9571
Single Number Predominant Upwind640.60.9366
Single Number Predominant Reaching554.41.0822
Single Number Predominant Downwind586.91.0223
Predominant Upwind - Low809.80.7409
Predominant Upwind - Low/Med659.60.9096
Predominant Upwind - Medium609.70.9842
Predominant Upwind - Med/High581.41.0320
Predominant Upwind - High569.81.0531
Predominant Downwind Low841.40.7131
Predominant Downwind Low/Med638.00.9405
Predominant Downwind Medium551.71.0875
Predominant Downwind Med/High485.01.2371
Predominant Downwind High430.71.3930
Predominant Reaching Low734.80.8166
Predominant Reaching Low/Med587.01.0221
Predominant Reaching Medium528.11.1362
Predominant Reaching Med/High482.81.2428
Predominant Reaching High449.81.3341
SA/DSPL Upwind35.35SA/DSPL Downwind55.32
Scoring OptionTODTOT
5-Band Windward/Leeward Low1027.40.5840
5-Band Windward/Leeward Low/Med786.30.7631
5-Band Windward/Leeward Medium693.00.8659
5-Band Windward/Leeward Med/High636.90.9421
5-Band Windward/Leeward High601.40.9977
Windward/Leeward 60-40 Low1023.70.5861
Windward/Leeward 60-40 Low/Med795.00.7547
Windward/Leeward 60-40 Medium710.90.8440
Windward/Leeward 60-40 Med/High663.80.9039
Windward/Leeward 60-40 High638.80.9392
5-Band AP Low759.90.7896
5-Band AP Low/Med625.00.9600
5-Band AP Medium561.91.0678
5-Band AP Med/High519.71.1544
5-Band AP High492.51.2183
5-Band SF Bay Tour - Low889.30.6747
5-Band SF Bay Tour - Low/Med751.90.7980
5-Band SF Bay Tour - Medium669.40.8964
5-Band SF Bay Tour - Med/High618.80.9697
5-Band SF Bay Tour - High587.81.0207
Chicago-Mac Upwind0.9147
Chicago-Mac All Purpose0.9515
Chicago-Mac Downwind0.9833
Bayview-Mac Cove Island0.7213
Bayview-Mac Shore0.7277
Harvest Moon Regatta481.71.2455
Double HandedClub Certificate2025
VAMOSUSA 30231
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 L8.207LSM08.079Acc. length9.114Sink (kg/mm) 10.81
VCGD-0.212VCGM-0.191RM Rated (kg·m) 40.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared 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
E3.279J3.584BAS1.247FSD0.029SFJ0.320SPL3.600WPLTPS3.750BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/07/2016
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
VAMOSUSA 30231
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn10.140.741.322.222.8219.3910/06/2020OUS140158-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.080.701.362.704.115.5511.29NoNo 31.0110/06/2020OUS140158-003
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS110.9610.9610.966.456.4058.8228/11/2020OUS141391-001
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA111.8710.7611.326.316.31100%59.5012/09/2020