Club Certificate2025
TOUGHNUTGBR1411T
ORC
Central Rating Office
Issuing certificates for
Ireland
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 Angles42.9°42.9°41.1°39.3°37.7°37.2°37.0°37.1°37.9°
Beat VMG2.473.374.064.554.844.965.035.075.04
52°3.815.115.996.486.736.866.937.007.01
60°4.055.366.206.636.877.017.107.197.23
75°4.195.526.336.757.007.197.347.517.61
90°4.075.406.286.807.097.297.457.767.96
110°3.875.276.296.847.187.487.748.178.44
120°3.705.076.116.737.107.437.748.338.91
135°3.254.535.596.396.867.207.528.198.99
150°2.653.834.905.806.486.907.227.838.52
Run VMG2.303.324.255.055.776.336.767.377.94
Gybe Angles146.2°146.2°151.4°154.6°161.5°168.7°177.7°178.6°178.3°
APH ToD:591.0CDL: 8.323APH ToT: 1.0153CertNo:
BOAT
ClassMG 335DesignerT.CastroBuilderNorthshore YtsAge date01/1990Series date01/1987Offset filePOR007.BOFData fileGBR1411T
HULL
Length Overall10.210 mMaximum Beam3.438 mDraft1.924 mDisplacement4,932 kgDLR8.5963IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.390m
CREW
Maximum weight680 kg(declared)Minimum weight550 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.2033.90Headsail Luffed29.9929.99Headsail FlyingSymmetric64.5464.54Asymmetric
STORM SAIL AREAS (m²)
Trysail9.78Storm Jib7.09Heavy Weather Jib19.12
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.
Club Certificate2025
TOUGHNUTGBR1411T
ORC
Central Rating Office
Issuing certificates for
Ireland
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 VMG1459.11068.6887.7791.3744.1725.7715.8709.6714.9
52°944.1704.9601.1555.8535.2524.9519.8514.6513.4
60°889.0671.4580.5543.0524.3513.4507.3500.8498.0
75°858.2652.7568.6533.5514.1500.6490.6479.6473.4
90°883.6666.2573.2529.2507.5493.9483.2463.9452.4
110°930.7682.5572.2526.4501.1481.3464.8440.7426.4
120°974.0709.8589.6535.2506.7484.8465.3432.1404.1
135°1107.1794.4644.5563.3524.5499.7478.5439.5400.5
150°1356.0938.9734.3620.4555.1521.5498.4459.6422.6
Run VMG1567.91084.1847.0712.7624.0568.3532.5488.7453.5
Selected Courses
Windward / Leeward1511.41076.4867.4752.0684.0647.0624.2599.1584.2
All purpose1141.3829.3684.3610.1569.6547.1531.8510.9496.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward717.90.8357
All purpose591.01.0153
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7443
Downwind "popa"0.8647
70% up, 30% down "Ilhabela"0.7767
30% up, 70% down "Ilhabela-inverso"0.8247
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Predominantly Upwind633.60.9469
Predominantly Downwind605.20.9914
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low756.80.7928
Triple Number AP Medium587.11.0220
Triple Number AP High527.81.1368
Triple Number Windward/Leeward Low1014.50.5914
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Single Number Predominant Upwind658.00.9119
Single Number Predominant Reaching591.41.0145
Single Number Predominant Downwind632.30.9489
Predominant Upwind - Low898.00.6681
Predominant Upwind - Low/Med692.40.8666
Predominant Upwind - Medium613.40.9782
Predominant Upwind - Med/High575.61.0424
Predominant Upwind - High560.31.0709
Predominant Downwind Low926.10.6479
Predominant Downwind Low/Med685.40.8754
Predominant Downwind Medium583.21.0289
Predominant Downwind Med/High522.81.1477
Predominant Downwind High489.71.2253
Predominant Reaching Low813.10.7379
Predominant Reaching Low/Med626.30.9580
Predominant Reaching Medium553.21.0847
Predominant Reaching Med/High512.51.1708
Predominant Reaching High488.81.2276
SA/DSPL Upwind21.70SA/DSPL Downwind33.55
Scoring OptionTODTOT
5-Band Windward/Leeward Low1133.40.5294
5-Band Windward/Leeward Low/Med830.40.7225
5-Band Windward/Leeward Medium699.50.8578
5-Band Windward/Leeward Med/High628.80.9542
5-Band Windward/Leeward High600.90.9985
Windward/Leeward 60-40 Low1130.90.5305
Windward/Leeward 60-40 Low/Med836.20.7176
Windward/Leeward 60-40 Medium711.30.8435
Windward/Leeward 60-40 Med/High646.80.9276
Windward/Leeward 60-40 High623.00.9631
5-Band AP Low837.90.7161
5-Band AP Low/Med662.60.9056
5-Band AP Medium579.01.0363
5-Band AP Med/High534.11.1235
5-Band AP High512.01.1719
5-Band SF Bay Tour - Low976.00.6147
5-Band SF Bay Tour - Low/Med794.20.7555
5-Band SF Bay Tour - Medium677.40.8857
5-Band SF Bay Tour - Med/High616.60.9731
5-Band SF Bay Tour - High591.11.0150
Chicago-Mac Upwind0.8851
Chicago-Mac All Purpose0.9033
Chicago-Mac Downwind0.9151
Bayview-Mac Cove Island0.6641
Bayview-Mac Shore0.6698
Harvest Moon Regatta520.61.1524
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance641.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating641.70.9349
FinRating, kevyt tuuli1114.40.8974
FinRating, kova tuuli515.50.9699
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9349
Triple Number Coastal/Long Distance Low0.7928
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1368
Triple Number Windward/Leeward Low0.6174
Triple Number Windward/Leeward Medium0.8419
Triple Number Windward/Leeward High0.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
For information
General Purpose Handicap (GPH)662.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low756.8
Triple Number Coastal/Long Distance Medium587.0
Triple Number Coastal/Long Distance High527.8
Triple Number Windward/Leeward Low971.8
Triple Number Windward/Leeward Medium712.7
Triple Number Windward/Leeward High620.5
Predominantly Upwind633.6
Predominantly Downwind605.2
Predominantly Reaching580.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7928
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1368
Triple Number Windward/Leeward Low0.6174
Triple Number Windward/Leeward Medium0.8419
Triple Number Windward/Leeward High0.9670
Coastal/Long Distance0.9349
Predominantly Upwind0.9469
Predominantly Downwind0.9914
For information
General Purpose Handicap (GPH)662.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0153
Distanseseilas Trippeltall svak vind0.7928
Distanseseilas Trippeltall mellomvind1.0221
Distanseseilas Trippeltall sterk vind1.1368
Pølsebane Trippeltall svak vind0.6174
Pølsebane Trippeltall mellomvind0.8419
Pølsebane Trippeltall sterk vind0.9670
Motvind Singeltall0.9469
Medvind Singeltall0.9914
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Coastal/Long Distance641.70.9349
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind633.60.9469
Predominantly Downwind605.20.9914
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore588.71.0192
Cape Doctor Coastal500.71.1984
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7928
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1368
Triple Number Windward/Leeward Low0.6174
Triple Number Windward/Leeward Medium0.8419
Triple Number Windward/Leeward High0.9670
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7928
Triple Number Coastal/Long Distance Medium1.0221
Triple Number Coastal/Long Distance High1.1368
Triple Number Windward/Leeward Low0.6174
Triple Number Windward/Leeward Medium0.8419
Triple Number Windward/Leeward High0.9670
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Predominantly Upwind633.60.9469
Predominantly Downwind605.20.9914
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance641.70.9349
Triple Number Coastal/Long Distance Low756.80.7928
Triple Number Coastal/Long Distance Medium587.01.0221
Triple Number Coastal/Long Distance High527.81.1368
Triple Number Windward/Leeward Low971.80.6174
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1610.31077.1817.8682.5605.5567.1538.2491.8475.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low756.80.7928
Triple Number AP Medium587.11.0220
Triple Number AP High527.81.1368
Triple Number Windward/Leeward Low1014.50.5914
Triple Number Windward/Leeward Medium712.70.8419
Triple Number Windward/Leeward High620.50.9670
Single Number Predominant Upwind658.00.9119
Single Number Predominant Reaching591.41.0145
Single Number Predominant Downwind632.30.9489
Predominant Upwind - Low898.00.6681
Predominant Upwind - Low/Med692.40.8666
Predominant Upwind - Medium613.40.9782
Predominant Upwind - Med/High575.61.0424
Predominant Upwind - High560.31.0709
Predominant Downwind Low926.10.6479
Predominant Downwind Low/Med685.40.8754
Predominant Downwind Medium583.21.0289
Predominant Downwind Med/High522.81.1477
Predominant Downwind High489.71.2253
Predominant Reaching Low813.10.7379
Predominant Reaching Low/Med626.30.9580
Predominant Reaching Medium553.21.0847
Predominant Reaching Med/High512.51.1708
Predominant Reaching High488.81.2276
SA/DSPL Upwind21.70SA/DSPL Downwind33.55
Scoring OptionTODTOT
5-Band Windward/Leeward Low1133.40.5294
5-Band Windward/Leeward Low/Med830.40.7225
5-Band Windward/Leeward Medium699.50.8578
5-Band Windward/Leeward Med/High628.80.9542
5-Band Windward/Leeward High600.90.9985
Windward/Leeward 60-40 Low1130.90.5305
Windward/Leeward 60-40 Low/Med836.20.7176
Windward/Leeward 60-40 Medium711.30.8435
Windward/Leeward 60-40 Med/High646.80.9276
Windward/Leeward 60-40 High623.00.9631
5-Band AP Low837.90.7161
5-Band AP Low/Med662.60.9056
5-Band AP Medium579.01.0363
5-Band AP Med/High534.11.1235
5-Band AP High512.01.1719
5-Band SF Bay Tour - Low976.00.6147
5-Band SF Bay Tour - Low/Med794.20.7555
5-Band SF Bay Tour - Medium677.40.8857
5-Band SF Bay Tour - Med/High616.60.9731
5-Band SF Bay Tour - High591.11.0150
Chicago-Mac Upwind0.8851
Chicago-Mac All Purpose0.9033
Chicago-Mac Downwind0.9151
Bayview-Mac Cove Island0.6641
Bayview-Mac Shore0.6698
Harvest Moon Regatta520.61.1524
Club Certificate2025
TOUGHNUTGBR1411T
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMG 335Measurement05/06/1996HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.210Max. Beam3.438Draft1.924Displacement4,932Wetted area22.25IMS L8.592LSM08.309Acc. length10.210Sink (kg/mm) 16.42
VCGD-0.040VCGM0.049RM Rated (kg·m) 98.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight529Declared crew weight680
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.390PBW0.000PIPA0.0006
EDL0.000ST10.000ST20.000
ST30.000ST40.000ST50.000
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.390IG11.900ISP11.900MDT10.115MDL10.167MDT20.000MDL20.000TLTaperMW0.000GO0.000
E4.510J3.590BAS1.795FSDFoilSFJ0.000SPL3.590WPLTPS4.810BD0.000MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date12/09/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
TOUGHNUTGBR1411T
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.931.682.8533.20IRC
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.711.132.435.2111.74NoNo 29.99* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment011.8911.8911.896.536.4564.54
CRUISER/RACER REQUIREMENTS*
Accommodation length10.2 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity84 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity54 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.