Non Spin/HSFClub Certificate2025
ContentiousMH2
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 Angles43.5°43.5°41.0°39.0°37.9°37.5°37.4°37.4°38.3°
Beat VMG2.523.494.264.774.985.085.145.195.13
52°3.965.336.296.827.027.127.187.267.27
60°4.245.626.527.007.237.337.417.527.55
75°4.405.806.687.147.457.677.798.008.10
90°4.225.666.637.157.527.868.138.488.73
110°3.584.986.106.887.377.828.279.099.63
120°3.314.675.816.677.217.668.149.1510.39
135°2.814.065.186.116.807.277.708.659.84
150°2.303.414.465.396.196.827.268.119.06
Run VMG2.002.953.864.695.456.166.747.558.37
Gybe Angles144.8°144.8°149.8°154.8°165.4°172.3°177.7°179.0°178.6°
APH ToD:583.9CDL: 8.922APH ToT: 1.0275CertNo:2131
BOAT
ClassAdams 10DesignerJoe AdamsBuilderBlueline YachtsAge date06/1992Series date06/1992Offset fileADAMS10b.offData file2131
HULL
Length Overall9.990 mMaximum Beam2.744 mDraft1.785 mDisplacement2,872 kgDLR3.8332IMS DivisionPerformanceDynamic Allowance0.200%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight540 kg(declared)Minimum weight410 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.9428.44Headsail Luffed27.6727.67Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.08Storm Jib5.53Heavy Weather Jib14.93
SAIL LIMITS
Headsails5
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Disp 2878
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  030200046EPIssued on 21/10/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
ContentiousMH2
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 VMG1429.11030.9844.3754.3722.9708.8700.8693.6701.6
52°909.5675.0571.9528.0512.6505.6501.2495.6495.4
60°849.9640.4551.9514.4498.2490.8485.8478.9476.9
75°818.9620.8539.0504.3483.1469.6462.0450.2444.2
90°852.5636.2543.1503.8478.7458.1443.0424.4412.2
110°1006.7723.2589.7523.0488.5460.2435.4396.1373.7
120°1086.6771.0619.4539.9499.6469.7442.3393.6346.4
135°1281.6887.7695.1589.4529.3495.2467.3416.2366.0
150°1562.11056.1806.9667.8581.3528.1495.9444.2397.4
Run VMG1801.81219.5931.8767.8660.4584.7534.3476.7429.9
Selected Courses
Windward / Leeward1612.91125.2888.0761.0691.7646.8617.5585.1565.7
All purpose1196.8852.9689.5606.1561.8533.8514.5487.1468.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward725.10.8274
All purpose583.91.0275
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7699
Downwind "popa"0.8116
70% up, 30% down "Ilhabela"0.7819
30% up, 70% down "Ilhabela-inverso"0.7986
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Predominantly Upwind618.40.9702
Predominantly Downwind614.40.9766
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low771.20.7780
Triple Number AP Medium580.31.0340
Triple Number AP High509.11.1786
Triple Number Windward/Leeward Low1054.80.5688
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Single Number Predominant Upwind643.10.9329
Single Number Predominant Reaching583.01.0292
Single Number Predominant Downwind646.10.9286
Predominant Upwind - Low894.20.6710
Predominant Upwind - Low/Med677.40.8858
Predominant Upwind - Medium597.11.0049
Predominant Upwind - Med/High557.41.0764
Predominant Upwind - High539.51.1121
Predominant Downwind Low997.30.6016
Predominant Downwind Low/Med713.10.8414
Predominant Downwind Medium589.21.0184
Predominant Downwind Med/High511.61.1729
Predominant Downwind High468.81.2798
Predominant Reaching Low833.70.7197
Predominant Reaching Low/Med625.20.9597
Predominant Reaching Medium541.11.1089
Predominant Reaching Med/High490.51.2231
Predominant Reaching High461.61.2998
SA/DSPL Upwind27.43SA/DSPL Downwind27.43
Scoring OptionTODTOT
5-Band Windward/Leeward Low1188.50.5049
5-Band Windward/Leeward Low/Med849.20.7065
5-Band Windward/Leeward Medium705.80.8501
5-Band Windward/Leeward Med/High623.20.9627
5-Band Windward/Leeward High587.41.0215
Windward/Leeward 60-40 Low1167.50.5139
Windward/Leeward 60-40 Low/Med843.80.7111
Windward/Leeward 60-40 Medium711.40.8434
Windward/Leeward 60-40 Med/High639.20.9387
Windward/Leeward 60-40 High609.10.9850
5-Band AP Low870.30.6894
5-Band AP Low/Med665.30.9018
5-Band AP Medium571.11.0505
5-Band AP Med/High517.11.1602
5-Band AP High488.61.2280
5-Band SF Bay Tour - Low1009.40.5944
5-Band SF Bay Tour - Low/Med806.20.7442
5-Band SF Bay Tour - Medium678.40.8845
5-Band SF Bay Tour - Med/High607.80.9871
5-Band SF Bay Tour - High575.31.0430
Chicago-Mac Upwind0.9048
Chicago-Mac All Purpose0.9024
Chicago-Mac Downwind0.8890
Bayview-Mac Cove Island0.6428
Bayview-Mac Shore0.6511
Harvest Moon Regatta502.91.1931
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance639.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating639.50.9383
FinRating, kevyt tuuli1171.10.8539
FinRating, kova tuuli490.21.0199
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9383
Triple Number Coastal/Long Distance Low0.7780
Triple Number Coastal/Long Distance Medium1.0341
Triple Number Coastal/Long Distance High1.1786
Triple Number Windward/Leeward Low0.5961
Triple Number Windward/Leeward Medium0.8334
Triple Number Windward/Leeward High0.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
For information
General Purpose Handicap (GPH)659.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low771.2
Triple Number Coastal/Long Distance Medium580.2
Triple Number Coastal/Long Distance High509.1
Triple Number Windward/Leeward Low1006.5
Triple Number Windward/Leeward Medium719.9
Triple Number Windward/Leeward High612.7
Predominantly Upwind618.4
Predominantly Downwind614.4
Predominantly Reaching576.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7780
Triple Number Coastal/Long Distance Medium1.0341
Triple Number Coastal/Long Distance High1.1786
Triple Number Windward/Leeward Low0.5961
Triple Number Windward/Leeward Medium0.8334
Triple Number Windward/Leeward High0.9793
Coastal/Long Distance0.9383
Predominantly Upwind0.9702
Predominantly Downwind0.9766
For information
General Purpose Handicap (GPH)659.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0275
Distanseseilas Trippeltall svak vind0.7780
Distanseseilas Trippeltall mellomvind1.0341
Distanseseilas Trippeltall sterk vind1.1786
Pølsebane Trippeltall svak vind0.5961
Pølsebane Trippeltall mellomvind0.8334
Pølsebane Trippeltall sterk vind0.9793
Motvind Singeltall0.9702
Medvind Singeltall0.9766
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Coastal/Long Distance639.50.9383
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind618.40.9702
Predominantly Downwind614.40.9766
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore571.61.0498
Cape Doctor Coastal473.91.2661
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7780
Triple Number Coastal/Long Distance Medium1.0341
Triple Number Coastal/Long Distance High1.1786
Triple Number Windward/Leeward Low0.5961
Triple Number Windward/Leeward Medium0.8334
Triple Number Windward/Leeward High0.9793
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7780
Triple Number Coastal/Long Distance Medium1.0341
Triple Number Coastal/Long Distance High1.1786
Triple Number Windward/Leeward Low0.5961
Triple Number Windward/Leeward Medium0.8334
Triple Number Windward/Leeward High0.9793
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Predominantly Upwind618.40.9702
Predominantly Downwind614.40.9766
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.50.9383
Triple Number Coastal/Long Distance Low771.20.7780
Triple Number Coastal/Long Distance Medium580.21.0341
Triple Number Coastal/Long Distance High509.11.1786
Triple Number Windward/Leeward Low1006.50.5961
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1753.11134.6836.5685.1600.7554.9520.0464.5441.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low771.20.7780
Triple Number AP Medium580.31.0340
Triple Number AP High509.11.1786
Triple Number Windward/Leeward Low1054.80.5688
Triple Number Windward/Leeward Medium719.90.8334
Triple Number Windward/Leeward High612.70.9793
Single Number Predominant Upwind643.10.9329
Single Number Predominant Reaching583.01.0292
Single Number Predominant Downwind646.10.9286
Predominant Upwind - Low894.20.6710
Predominant Upwind - Low/Med677.40.8858
Predominant Upwind - Medium597.11.0049
Predominant Upwind - Med/High557.41.0764
Predominant Upwind - High539.51.1121
Predominant Downwind Low997.30.6016
Predominant Downwind Low/Med713.10.8414
Predominant Downwind Medium589.21.0184
Predominant Downwind Med/High511.61.1729
Predominant Downwind High468.81.2798
Predominant Reaching Low833.70.7197
Predominant Reaching Low/Med625.20.9597
Predominant Reaching Medium541.11.1089
Predominant Reaching Med/High490.51.2231
Predominant Reaching High461.61.2998
SA/DSPL Upwind27.43SA/DSPL Downwind27.43
Scoring OptionTODTOT
5-Band Windward/Leeward Low1188.50.5049
5-Band Windward/Leeward Low/Med849.20.7065
5-Band Windward/Leeward Medium705.80.8501
5-Band Windward/Leeward Med/High623.20.9627
5-Band Windward/Leeward High587.41.0215
Windward/Leeward 60-40 Low1167.50.5139
Windward/Leeward 60-40 Low/Med843.80.7111
Windward/Leeward 60-40 Medium711.40.8434
Windward/Leeward 60-40 Med/High639.20.9387
Windward/Leeward 60-40 High609.10.9850
5-Band AP Low870.30.6894
5-Band AP Low/Med665.30.9018
5-Band AP Medium571.11.0505
5-Band AP Med/High517.11.1602
5-Band AP High488.61.2280
5-Band SF Bay Tour - Low1009.40.5944
5-Band SF Bay Tour - Low/Med806.20.7442
5-Band SF Bay Tour - Medium678.40.8845
5-Band SF Bay Tour - Med/High607.80.9871
5-Band SF Bay Tour - High575.31.0430
Chicago-Mac Upwind0.9048
Chicago-Mac All Purpose0.9024
Chicago-Mac Downwind0.8890
Bayview-Mac Cove Island0.6428
Bayview-Mac Shore0.6511
Harvest Moon Regatta502.91.1931
ORC Ref  030200046EPIssued on 21/10/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
ContentiousMH2
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAdams 10Measurement27/08/2023HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.990Max. Beam2.744Draft1.785Displacement2,872Wetted area18.14IMS L9.311LSM09.081Acc. length8.918Sink (kg/mm) 13.66
VCGD-0.152VCGM-0.082RM Rated (kg·m) 55.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight600Declared crew weight540
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P12.140IG10.516ISP13.100MDT10.110MDL10.150MDT2MDL2TLTaperMWGO
E3.800J3.550BAS0.965FSDSFJSPL3.727WPLTPS4.380BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date15/09/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  030200046EPIssued on 21/10/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
ContentiousMH2
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.150.861.532.483.2127.9401/12/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.850.691.252.543.905.3110.45NoNo 27.6712/09/2023
ORC Ref  030200046EPIssued on 21/10/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org