Club Certificate2025
WOWIRL 2237
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 Angles42.2°42.2°40.1°37.8°37.1°36.7°36.5°36.5°37.8°
Beat VMG2.964.084.935.405.605.715.785.855.75
52°4.606.157.177.617.807.928.008.118.10
60°4.926.467.387.808.038.178.288.428.45
75°5.156.667.517.978.338.588.759.009.11
90°4.966.537.507.948.398.819.159.6510.00
110°5.156.767.778.398.819.199.5710.3111.07
120°4.956.617.738.439.089.6210.1311.1512.18
135°4.275.977.308.038.749.5610.5512.6414.38
150°3.535.006.277.287.978.589.2711.4514.89
Run VMG3.064.335.436.316.947.438.039.9112.89
Gybe Angles141.7°141.7°145.1°150.6°153.5°151.4°147.6°144.0°146.7°
APH ToD:488.6CDL: 10.741APH ToT: 1.2280CertNo:
BOAT
ClassX-TREME 37DesignerREICHEL/PUGHBuilderG FORCEAge date05/2012Series date01/2004Offset fileXTRE37_ver.offData fileIRL2237
HULL
Length Overall11.369 mMaximum Beam3.486 mDraft2.659 mDisplacement4,131 kgDLR3.7312IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight765 kg(declared)Minimum weight635 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.9145.73Headsail Luffed32.9932.99Headsail FlyingSymmetricAsymmetric139.73139.73 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.07Storm Jib10.97Heavy Weather Jib29.62
SAIL LIMITS
Headsails6Spinnakers5
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  0388000413RIssued on 29/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
WOWIRL 2237
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 VMG1217.3882.2730.0667.0643.3630.6622.9615.7626.1
52°782.2585.1502.1473.2461.6454.8450.1444.1444.6
60°731.1557.6487.9461.4448.2440.5434.8427.6426.0
75°699.2540.5479.1451.4432.1419.5411.5400.0395.0
90°726.5550.9479.9453.1428.9408.7393.3373.1360.1
110°698.6532.3463.1429.3408.7391.5376.1349.1325.4
120°726.7544.3465.5427.0396.6374.4355.5322.8295.7
135°843.5602.7493.4448.3411.9376.6341.3284.8250.3
150°1019.8719.9574.2494.4452.0419.8388.2314.5241.8
Run VMG1178.3831.2663.0570.6518.5484.2448.3363.1279.3
Selected Courses
Windward / Leeward1197.6856.7696.5618.8580.9557.4535.6489.4452.7
All purpose905.0663.1554.1504.6477.1457.6440.3409.0386.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward600.01.0000
All purpose488.61.2280
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8765
Downwind "popa"1.0828
70% up, 30% down "Ilhabela"0.9296
30% up, 70% down "Ilhabela-inverso"1.0114
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Predominantly Upwind531.11.1297
Predominantly Downwind489.11.2266
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low608.60.9859
Triple Number AP Medium487.91.2299
Triple Number AP High432.91.3860
Triple Number Windward/Leeward Low811.00.7399
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Single Number Predominant Upwind550.01.0909
Single Number Predominant Reaching481.71.2455
Single Number Predominant Downwind506.41.1848
Predominant Upwind - Low732.10.8195
Predominant Upwind - Low/Med573.61.0460
Predominant Upwind - Medium518.41.1573
Predominant Upwind - Med/High486.01.2346
Predominant Upwind - High466.31.2866
Predominant Downwind Low724.70.8279
Predominant Downwind Low/Med549.81.0914
Predominant Downwind Medium477.01.2578
Predominant Downwind Med/High418.41.4339
Predominant Downwind High369.01.6259
Predominant Reaching Low652.00.9202
Predominant Reaching Low/Med512.51.1707
Predominant Reaching Medium457.31.3122
Predominant Reaching Med/High413.31.4516
Predominant Reaching High381.81.5716
SA/DSPL Upwind30.12SA/DSPL Downwind71.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low901.90.6652
5-Band Windward/Leeward Low/Med675.60.8881
5-Band Windward/Leeward Medium589.11.0185
5-Band Windward/Leeward Med/High535.31.1209
5-Band Windward/Leeward High491.01.2219
Windward/Leeward 60-40 Low907.10.6614
Windward/Leeward 60-40 Low/Med684.00.8772
Windward/Leeward 60-40 Medium601.40.9977
Windward/Leeward 60-40 Med/High553.21.0847
Windward/Leeward 60-40 High516.61.1615
5-Band AP Low666.40.9004
5-Band AP Low/Med541.31.1084
5-Band AP Medium481.71.2455
5-Band AP Med/High441.01.3604
5-Band AP High410.61.4614
5-Band SF Bay Tour - Low779.50.7697
5-Band SF Bay Tour - Low/Med646.40.9282
5-Band SF Bay Tour - Medium567.31.0577
5-Band SF Bay Tour - Med/High517.71.1591
5-Band SF Bay Tour - High479.31.2519
Chicago-Mac Upwind1.0613
Chicago-Mac All Purpose1.1021
Chicago-Mac Downwind1.1401
Bayview-Mac Cove Island0.8241
Bayview-Mac Shore0.8291
Harvest Moon Regatta420.51.4269
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance529.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating529.71.1328
FinRating, kevyt tuuli885.31.1295
FinRating, kova tuuli411.31.2155
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.1328
Triple Number Coastal/Long Distance Low0.9859
Triple Number Coastal/Long Distance Medium1.2300
Triple Number Coastal/Long Distance High1.3860
Triple Number Windward/Leeward Low0.7726
Triple Number Windward/Leeward Medium1.0045
Triple Number Windward/Leeward High1.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
For information
General Purpose Handicap (GPH)544.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low608.6
Triple Number Coastal/Long Distance Medium487.8
Triple Number Coastal/Long Distance High432.9
Triple Number Windward/Leeward Low776.6
Triple Number Windward/Leeward Medium597.3
Triple Number Windward/Leeward High523.7
Predominantly Upwind531.1
Predominantly Downwind489.1
Predominantly Reaching471.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9859
Triple Number Coastal/Long Distance Medium1.2300
Triple Number Coastal/Long Distance High1.3860
Triple Number Windward/Leeward Low0.7726
Triple Number Windward/Leeward Medium1.0045
Triple Number Windward/Leeward High1.1457
Coastal/Long Distance1.1328
Predominantly Upwind1.1297
Predominantly Downwind1.2266
For information
General Purpose Handicap (GPH)544.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.2280
Distanseseilas Trippeltall svak vind0.9859
Distanseseilas Trippeltall mellomvind1.2300
Distanseseilas Trippeltall sterk vind1.3860
Pølsebane Trippeltall svak vind0.7726
Pølsebane Trippeltall mellomvind1.0045
Pølsebane Trippeltall sterk vind1.1457
Motvind Singeltall1.1297
Medvind Singeltall1.2266
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Coastal/Long Distance529.71.1328
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind531.11.1297
Predominantly Downwind489.11.2266
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore463.71.2939
Cape Doctor Coastal393.31.5255
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9859
Triple Number Coastal/Long Distance Medium1.2300
Triple Number Coastal/Long Distance High1.3860
Triple Number Windward/Leeward Low0.7726
Triple Number Windward/Leeward Medium1.0045
Triple Number Windward/Leeward High1.1457
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9859
Triple Number Coastal/Long Distance Medium1.2300
Triple Number Coastal/Long Distance High1.3860
Triple Number Windward/Leeward Low0.7726
Triple Number Windward/Leeward Medium1.0045
Triple Number Windward/Leeward High1.1457
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Predominantly Upwind531.11.1297
Predominantly Downwind489.11.2266
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance529.71.1328
Triple Number Coastal/Long Distance Low608.60.9859
Triple Number Coastal/Long Distance Medium487.81.2300
Triple Number Coastal/Long Distance High432.91.3860
Triple Number Windward/Leeward Low776.60.7726
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1264.1854.2657.6562.6508.2474.8444.7391.5367.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low608.60.9859
Triple Number AP Medium487.91.2299
Triple Number AP High432.91.3860
Triple Number Windward/Leeward Low811.00.7399
Triple Number Windward/Leeward Medium597.31.0045
Triple Number Windward/Leeward High523.71.1457
Single Number Predominant Upwind550.01.0909
Single Number Predominant Reaching481.71.2455
Single Number Predominant Downwind506.41.1848
Predominant Upwind - Low732.10.8195
Predominant Upwind - Low/Med573.61.0460
Predominant Upwind - Medium518.41.1573
Predominant Upwind - Med/High486.01.2346
Predominant Upwind - High466.31.2866
Predominant Downwind Low724.70.8279
Predominant Downwind Low/Med549.81.0914
Predominant Downwind Medium477.01.2578
Predominant Downwind Med/High418.41.4339
Predominant Downwind High369.01.6259
Predominant Reaching Low652.00.9202
Predominant Reaching Low/Med512.51.1707
Predominant Reaching Medium457.31.3122
Predominant Reaching Med/High413.31.4516
Predominant Reaching High381.81.5716
SA/DSPL Upwind30.12SA/DSPL Downwind71.38
Scoring OptionTODTOT
5-Band Windward/Leeward Low901.90.6652
5-Band Windward/Leeward Low/Med675.60.8881
5-Band Windward/Leeward Medium589.11.0185
5-Band Windward/Leeward Med/High535.31.1209
5-Band Windward/Leeward High491.01.2219
Windward/Leeward 60-40 Low907.10.6614
Windward/Leeward 60-40 Low/Med684.00.8772
Windward/Leeward 60-40 Medium601.40.9977
Windward/Leeward 60-40 Med/High553.21.0847
Windward/Leeward 60-40 High516.61.1615
5-Band AP Low666.40.9004
5-Band AP Low/Med541.31.1084
5-Band AP Medium481.71.2455
5-Band AP Med/High441.01.3604
5-Band AP High410.61.4614
5-Band SF Bay Tour - Low779.50.7697
5-Band SF Bay Tour - Low/Med646.40.9282
5-Band SF Bay Tour - Medium567.31.0577
5-Band SF Bay Tour - Med/High517.71.1591
5-Band SF Bay Tour - High479.31.2519
Chicago-Mac Upwind1.0613
Chicago-Mac All Purpose1.1021
Chicago-Mac Downwind1.1401
Bayview-Mac Cove Island0.8241
Bayview-Mac Shore0.8291
Harvest Moon Regatta420.51.4269
ORC Ref  0388000413RIssued on 29/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
WOWIRL 2237
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-TREME 37Measurement29/09/2025HINPlan reviewHull constructionCarbonCarbon rudderYesLight stanchionsNoTrim tabNo
LOA11.369Max. Beam3.486Draft2.659Displacement4,131Wetted area23.84IMS L10.705LSM010.344Acc. length11.329Sink (kg/mm) 17.90
VCGD-0.335VCGM-0.362RM Rated (kg·m) 118.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight722Declared crew weight765
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBW0.095PIPA0.0033
EDL0.700ST10.040ST20.180
ST30.180ST40.111ST50.220
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P15.110IG14.688ISP17.145MDT10.105MDL10.203MDT20.084MDL20.154TL2.055MW0.201GO0.236
E4.940J4.210BAS1.730FSD0.033SFJ0.195SPLWPLTPS6.060BD0.204MWT151.50MCG5.443
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered118.2Flotation Date29/09/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  0388000413RIssued on 29/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
WOWIRL 2237
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment01.091.873.2144.91
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.691.272.314.4714.33NoNo 32.99
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment018.7115.8917.3010.048.30121%139.73
ORC Ref  0388000413RIssued on 29/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org