Club Certificate2025
ALCHEMYIRL 3154
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 Angles43.0°43.0°40.6°39.4°38.5°38.0°37.6°37.6°38.3°
Beat VMG2.373.233.894.354.634.764.834.874.83
52°3.674.895.736.256.526.666.736.806.81
60°3.875.135.956.426.676.836.917.007.03
75°3.995.276.106.556.827.017.167.327.42
90°3.865.176.076.626.917.087.287.597.79
110°3.745.116.136.697.047.337.597.928.15
120°3.574.925.946.596.987.297.598.158.56
135°3.154.405.446.246.747.097.428.068.82
150°2.593.754.805.676.356.787.107.738.40
Run VMG2.253.254.164.945.636.206.637.247.82
Gybe Angles146.7°146.7°151.4°155.0°161.0°167.8°176.8°178.6°178.3°
APH ToD:609.0CDL: 7.979APH ToT: 0.9852CertNo:
BOAT
ClassElan 31DesignerHumphreysBuilderElanAge date01/2004Series date01/1990Offset fileELAN3110.OFFData fileIRL3154
HULL
Length Overall9.190 mMaximum Beam3.196 mDraft1.904 mDisplacement4,455 kgDLR7.0727IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.385m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.8528.34Headsail Luffed25.7225.72Headsail FlyingSymmetric56.9256.92Asymmetric
STORM SAIL AREAS (m²)
Trysail8.53Storm Jib6.88Heavy Weather Jib18.57
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
ALCHEMYIRL 3154
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 VMG1521.61114.0925.9827.7777.8756.8745.8739.0745.3
52°981.5736.0628.7576.2552.0540.2534.7529.6528.8
60°929.2701.7605.3561.1539.5527.4520.9514.6512.3
75°903.0682.8590.3549.6528.1513.6503.1491.6485.4
90°933.6697.0593.0543.6520.7508.6494.6474.1462.3
110°963.8704.3587.7537.9511.6491.3474.6454.6441.8
120°1007.0732.2605.8545.9516.1493.8474.3441.7420.8
135°1141.3817.8662.3576.7534.3508.0485.5446.5408.3
150°1387.8959.0749.6634.9567.0531.0506.7465.7428.7
Run VMG1603.31107.4864.7728.5639.1580.8543.3497.0460.2
Selected Courses
Windward / Leeward1560.21110.7895.3778.1708.5668.8644.5618.0602.8
All purpose1183.4858.7707.4629.2586.8562.8546.4525.1511.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward742.30.8083
All purpose609.00.9852
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7134
Downwind "popa"0.8466
70% up, 30% down "Ilhabela"0.7488
30% up, 70% down "Ilhabela-inverso"0.8017
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Predominantly Upwind656.10.9146
Predominantly Downwind621.20.9659
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low783.00.7662
Triple Number AP Medium605.00.9917
Triple Number AP High542.51.1060
Triple Number Windward/Leeward Low1047.20.5729
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Single Number Predominant Upwind681.40.8805
Single Number Predominant Reaching609.20.9849
Single Number Predominant Downwind649.20.9242
Predominant Upwind - Low933.80.6425
Predominant Upwind - Low/Med718.60.8350
Predominant Upwind - Medium634.70.9453
Predominant Upwind - Med/High594.01.0102
Predominant Upwind - High577.91.0383
Predominant Downwind Low954.70.6284
Predominant Downwind Low/Med704.80.8513
Predominant Downwind Medium598.21.0030
Predominant Downwind Med/High534.81.1220
Predominant Downwind High500.41.1990
Predominant Reaching Low844.10.7109
Predominant Reaching Low/Med646.50.9280
Predominant Reaching Medium568.61.0552
Predominant Reaching Med/High525.11.1426
Predominant Reaching High500.41.1989
SA/DSPL Upwind19.69SA/DSPL Downwind31.16
Scoring OptionTODTOT
5-Band Windward/Leeward Low1169.80.5129
5-Band Windward/Leeward Low/Med858.10.6992
5-Band Windward/Leeward Medium723.70.8291
5-Band Windward/Leeward Med/High649.50.9237
5-Band Windward/Leeward High620.00.9678
Windward/Leeward 60-40 Low1169.60.5130
Windward/Leeward 60-40 Low/Med865.90.6929
Windward/Leeward 60-40 Medium737.40.8137
Windward/Leeward 60-40 Med/High669.50.8962
Windward/Leeward 60-40 High644.20.9313
5-Band AP Low867.30.6918
5-Band AP Low/Med684.30.8768
5-Band AP Medium596.51.0059
5-Band AP Med/High549.01.0930
5-Band AP High526.41.1398
5-Band SF Bay Tour - Low1008.60.5949
5-Band SF Bay Tour - Low/Med821.50.7304
5-Band SF Bay Tour - Medium700.80.8561
5-Band SF Bay Tour - Med/High636.60.9424
5-Band SF Bay Tour - High610.00.9835
Chicago-Mac Upwind0.8539
Chicago-Mac All Purpose0.8753
Chicago-Mac Downwind0.8908
Bayview-Mac Cove Island0.6420
Bayview-Mac Shore0.6471
Harvest Moon Regatta533.31.1250
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance661.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating661.50.9070
FinRating, kevyt tuuli1150.70.8690
FinRating, kova tuuli530.10.9432
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9070
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9918
Triple Number Coastal/Long Distance High1.1060
Triple Number Windward/Leeward Low0.5982
Triple Number Windward/Leeward Medium0.8137
Triple Number Windward/Leeward High0.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
For information
General Purpose Handicap (GPH)683.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low783.1
Triple Number Coastal/Long Distance Medium605.0
Triple Number Coastal/Long Distance High542.5
Triple Number Windward/Leeward Low1003.0
Triple Number Windward/Leeward Medium737.4
Triple Number Windward/Leeward High640.7
Predominantly Upwind656.1
Predominantly Downwind621.2
Predominantly Reaching596.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9918
Triple Number Coastal/Long Distance High1.1060
Triple Number Windward/Leeward Low0.5982
Triple Number Windward/Leeward Medium0.8137
Triple Number Windward/Leeward High0.9365
Coastal/Long Distance0.9070
Predominantly Upwind0.9146
Predominantly Downwind0.9659
For information
General Purpose Handicap (GPH)683.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9852
Distanseseilas Trippeltall svak vind0.7662
Distanseseilas Trippeltall mellomvind0.9918
Distanseseilas Trippeltall sterk vind1.1060
Pølsebane Trippeltall svak vind0.5982
Pølsebane Trippeltall mellomvind0.8137
Pølsebane Trippeltall sterk vind0.9365
Motvind Singeltall0.9146
Medvind Singeltall0.9659
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Coastal/Long Distance661.50.9070
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind656.10.9146
Predominantly Downwind621.20.9659
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore607.30.9879
Cape Doctor Coastal515.41.1642
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9918
Triple Number Coastal/Long Distance High1.1060
Triple Number Windward/Leeward Low0.5982
Triple Number Windward/Leeward Medium0.8137
Triple Number Windward/Leeward High0.9365
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9918
Triple Number Coastal/Long Distance High1.1060
Triple Number Windward/Leeward Low0.5982
Triple Number Windward/Leeward Medium0.8137
Triple Number Windward/Leeward High0.9365
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Predominantly Upwind656.10.9146
Predominantly Downwind621.20.9659
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance661.50.9070
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium605.00.9918
Triple Number Coastal/Long Distance High542.51.1060
Triple Number Windward/Leeward Low1003.00.5982
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1658.41110.4843.9705.0624.7583.7552.7504.1489.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low783.00.7662
Triple Number AP Medium605.00.9917
Triple Number AP High542.51.1060
Triple Number Windward/Leeward Low1047.20.5729
Triple Number Windward/Leeward Medium737.40.8137
Triple Number Windward/Leeward High640.70.9365
Single Number Predominant Upwind681.40.8805
Single Number Predominant Reaching609.20.9849
Single Number Predominant Downwind649.20.9242
Predominant Upwind - Low933.80.6425
Predominant Upwind - Low/Med718.60.8350
Predominant Upwind - Medium634.70.9453
Predominant Upwind - Med/High594.01.0102
Predominant Upwind - High577.91.0383
Predominant Downwind Low954.70.6284
Predominant Downwind Low/Med704.80.8513
Predominant Downwind Medium598.21.0030
Predominant Downwind Med/High534.81.1220
Predominant Downwind High500.41.1990
Predominant Reaching Low844.10.7109
Predominant Reaching Low/Med646.50.9280
Predominant Reaching Medium568.61.0552
Predominant Reaching Med/High525.11.1426
Predominant Reaching High500.41.1989
SA/DSPL Upwind19.69SA/DSPL Downwind31.16
Scoring OptionTODTOT
5-Band Windward/Leeward Low1169.80.5129
5-Band Windward/Leeward Low/Med858.10.6992
5-Band Windward/Leeward Medium723.70.8291
5-Band Windward/Leeward Med/High649.50.9237
5-Band Windward/Leeward High620.00.9678
Windward/Leeward 60-40 Low1169.60.5130
Windward/Leeward 60-40 Low/Med865.90.6929
Windward/Leeward 60-40 Medium737.40.8137
Windward/Leeward 60-40 Med/High669.50.8962
Windward/Leeward 60-40 High644.20.9313
5-Band AP Low867.30.6918
5-Band AP Low/Med684.30.8768
5-Band AP Medium596.51.0059
5-Band AP Med/High549.01.0930
5-Band AP High526.41.1398
5-Band SF Bay Tour - Low1008.60.5949
5-Band SF Bay Tour - Low/Med821.50.7304
5-Band SF Bay Tour - Medium700.80.8561
5-Band SF Bay Tour - Med/High636.60.9424
5-Band SF Bay Tour - High610.00.9835
Chicago-Mac Upwind0.8539
Chicago-Mac All Purpose0.8753
Chicago-Mac Downwind0.8908
Bayview-Mac Cove Island0.6420
Bayview-Mac Shore0.6471
Harvest Moon Regatta533.31.1250
Club Certificate2025
ALCHEMYIRL 3154
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassElan 31Measurement10/09/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.190Max. Beam3.196Draft1.904Displacement4,455Wetted area20.15IMS L8.587LSM08.571Acc. length9.190Sink (kg/mm) 15.46
VCGD0.075VCGM0.100RM Rated (kg·m) 76.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight552Declared crew weight450
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.385PBW0.112PIPA0.0031
EDL1.950ST10.048ST20.170
ST30.170ST40.098ST50.280
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P11.460IG11.640ISP11.760MDT10.087MDL10.156MDT20.087MDL20.110TL2.200MW0.156GO0.180
E4.250J3.270BAS1.475FSD0.030SFJSPL3.390WPLTPSBD0.140MWT110.00MCG3.910
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered76.1Flotation Date10/09/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
ALCHEMYIRL 3154
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentD0.140.821.482.583.4627.85
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentF0.080.601.132.253.424.6411.22NoNo 25.72
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentB10.9010.9010.906.306.1356.92
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.