Club Certificate2025
SUPERGROOVEGBR-4100L_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 Angles41.9°41.9°39.2°37.2°36.5°36.5°36.3°36.7°38.5°
Beat VMG2.563.534.264.614.764.844.904.934.81
52°3.975.286.126.486.636.736.816.916.88
60°4.225.516.296.676.856.987.097.237.24
75°4.345.646.416.867.207.407.577.817.91
90°4.525.796.466.887.367.768.058.478.75
110°4.575.966.817.347.748.128.479.1510.02
120°4.435.846.797.508.088.549.019.9511.04
135°3.785.236.367.157.958.839.7911.6613.46
150°3.114.415.526.397.127.798.6111.6115.02
Run VMG2.703.824.785.536.176.757.4510.0613.01
Gybe Angles143.1°143.1°147.7°150.5°150.7°148.5°146.0°144.9°149.8°
APH ToD:560.7CDL: 7.765APH ToT: 1.0701CertNo:410001
BOAT
ClassDIBLEY 8DesignerDIBLEYBuilderNIGGEL RIPPEYAge date09/1995Series date09/1995Offset fileSUPERG.OFFData fileGBR4100L_C
HULL
Length Overall7.955 mMaximum Beam2.516 mDraft1.912 mDisplacement1,356 kgDLR3.4728IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.1827.97Headsail Luffed13.6613.66Headsail FlyingSymmetricAsymmetric77.5977.59 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.26Storm Jib4.54Heavy Weather Jib12.24
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
SUPERGROOVEGBR-4100L_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 VMG1408.51020.1845.7780.1756.2743.2734.4729.9748.0
52°907.2682.1588.4555.6543.1534.8528.7521.0523.2
60°854.1653.2572.6540.1525.6515.6508.1498.1497.2
75°829.0638.1561.9524.6499.9486.3475.6460.9455.2
90°796.0622.0557.6523.5489.0463.9447.4424.9411.4
110°788.5603.8528.4490.6464.9443.5424.9393.6359.4
120°813.4615.9530.1479.7445.8421.3399.6361.8326.0
135°952.8688.3565.8503.4453.0407.9367.7308.8267.5
150°1156.6815.9652.1563.7505.9462.1418.3310.0239.7
Run VMG1335.4942.1753.0650.8583.8533.5483.0358.0276.8
Selected Courses
Windward / Leeward1371.7981.1799.3715.4670.0638.4608.7543.9512.4
All purpose1033.3760.8638.9582.3548.1523.3501.6461.4439.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward688.80.8711
All purpose560.71.0701
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7487
Downwind "popa"0.9758
70% up, 30% down "Ilhabela"0.8049
30% up, 70% down "Ilhabela-inverso"0.8944
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Predominantly Upwind616.20.9736
Predominantly Downwind554.11.0829
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low699.80.8573
Triple Number AP Medium560.91.0697
Triple Number AP High492.01.2196
Triple Number Windward/Leeward Low930.00.6452
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Single Number Predominant Upwind636.80.9421
Single Number Predominant Reaching549.01.0928
Single Number Predominant Downwind571.91.0491
Predominant Upwind - Low843.10.7116
Predominant Upwind - Low/Med665.10.9022
Predominant Upwind - Medium601.60.9974
Predominant Upwind - Med/High562.61.0665
Predominant Upwind - High540.11.1110
Predominant Downwind Low825.80.7265
Predominant Downwind Low/Med628.50.9547
Predominant Downwind Medium539.71.1117
Predominant Downwind Med/High464.31.2922
Predominant Downwind High403.21.4882
Predominant Reaching Low743.50.8070
Predominant Reaching Low/Med589.21.0183
Predominant Reaching Medium521.81.1498
Predominant Reaching Med/High467.61.2830
Predominant Reaching High431.41.3908
SA/DSPL Upwind33.32SA/DSPL Downwind85.45
Scoring OptionTODTOT
5-Band Windward/Leeward Low1033.40.5806
5-Band Windward/Leeward Low/Med777.40.7718
5-Band Windward/Leeward Medium677.90.8851
5-Band Windward/Leeward Med/High607.90.9870
5-Band Windward/Leeward High549.71.0915
Windward/Leeward 60-40 Low1041.40.5761
Windward/Leeward 60-40 Low/Med789.00.7605
Windward/Leeward 60-40 Medium695.00.8633
Windward/Leeward 60-40 Med/High633.70.9468
Windward/Leeward 60-40 High586.51.0230
5-Band AP Low764.00.7853
5-Band AP Low/Med623.50.9624
5-Band AP Medium553.31.0844
5-Band AP Med/High502.41.1942
5-Band AP High464.61.2915
5-Band SF Bay Tour - Low894.10.6710
5-Band SF Bay Tour - Low/Med744.20.8062
5-Band SF Bay Tour - Medium653.00.9188
5-Band SF Bay Tour - Med/High590.21.0165
5-Band SF Bay Tour - High541.61.1079
Chicago-Mac Upwind0.9163
Chicago-Mac All Purpose0.9613
Chicago-Mac Downwind1.0053
Bayview-Mac Cove Island0.7193
Bayview-Mac Shore0.7239
Harvest Moon Regatta474.81.2638
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance607.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9870
Triple Number Coastal/Long Distance Low0.8573
Triple Number Coastal/Long Distance Medium1.0698
Triple Number Coastal/Long Distance High1.2196
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.8721
Triple Number Windward/Leeward High1.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
For information
General Purpose Handicap (GPH)625.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low699.9
Triple Number Coastal/Long Distance Medium560.9
Triple Number Coastal/Long Distance High492.0
Triple Number Windward/Leeward Low890.2
Triple Number Windward/Leeward Medium688.0
Triple Number Windward/Leeward High591.8
Predominantly Upwind616.2
Predominantly Downwind554.1
Predominantly Reaching536.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8573
Triple Number Coastal/Long Distance Medium1.0698
Triple Number Coastal/Long Distance High1.2196
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.8721
Triple Number Windward/Leeward High1.0138
Coastal/Long Distance0.9870
Predominantly Upwind0.9736
Predominantly Downwind1.0829
For information
General Purpose Handicap (GPH)625.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0701
Distanseseilas Trippeltall svak vind0.8573
Distanseseilas Trippeltall mellomvind1.0698
Distanseseilas Trippeltall sterk vind1.2196
Pølsebane Trippeltall svak vind0.6740
Pølsebane Trippeltall mellomvind0.8721
Pølsebane Trippeltall sterk vind1.0138
Motvind Singeltall0.9736
Medvind Singeltall1.0829
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Coastal/Long Distance607.90.9870
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind616.20.9736
Predominantly Downwind554.11.0829
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore521.81.1498
Cape Doctor Coastal446.01.3454
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8573
Triple Number Coastal/Long Distance Medium1.0698
Triple Number Coastal/Long Distance High1.2196
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.8721
Triple Number Windward/Leeward High1.0138
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8573
Triple Number Coastal/Long Distance Medium1.0698
Triple Number Coastal/Long Distance High1.2196
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.8721
Triple Number Windward/Leeward High1.0138
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Predominantly Upwind616.20.9736
Predominantly Downwind554.11.0829
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low699.90.8573
Triple Number Coastal/Long Distance Medium560.91.0698
Triple Number Coastal/Long Distance High492.01.2196
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1442.8977.2755.1649.6584.9543.8506.6439.7414.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low699.80.8573
Triple Number AP Medium560.91.0697
Triple Number AP High492.01.2196
Triple Number Windward/Leeward Low930.00.6452
Triple Number Windward/Leeward Medium688.00.8721
Triple Number Windward/Leeward High591.81.0138
Single Number Predominant Upwind636.80.9421
Single Number Predominant Reaching549.01.0928
Single Number Predominant Downwind571.91.0491
Predominant Upwind - Low843.10.7116
Predominant Upwind - Low/Med665.10.9022
Predominant Upwind - Medium601.60.9974
Predominant Upwind - Med/High562.61.0665
Predominant Upwind - High540.11.1110
Predominant Downwind Low825.80.7265
Predominant Downwind Low/Med628.50.9547
Predominant Downwind Medium539.71.1117
Predominant Downwind Med/High464.31.2922
Predominant Downwind High403.21.4882
Predominant Reaching Low743.50.8070
Predominant Reaching Low/Med589.21.0183
Predominant Reaching Medium521.81.1498
Predominant Reaching Med/High467.61.2830
Predominant Reaching High431.41.3908
SA/DSPL Upwind33.32SA/DSPL Downwind85.45
Scoring OptionTODTOT
5-Band Windward/Leeward Low1033.40.5806
5-Band Windward/Leeward Low/Med777.40.7718
5-Band Windward/Leeward Medium677.90.8851
5-Band Windward/Leeward Med/High607.90.9870
5-Band Windward/Leeward High549.71.0915
Windward/Leeward 60-40 Low1041.40.5761
Windward/Leeward 60-40 Low/Med789.00.7605
Windward/Leeward 60-40 Medium695.00.8633
Windward/Leeward 60-40 Med/High633.70.9468
Windward/Leeward 60-40 High586.51.0230
5-Band AP Low764.00.7853
5-Band AP Low/Med623.50.9624
5-Band AP Medium553.31.0844
5-Band AP Med/High502.41.1942
5-Band AP High464.61.2915
5-Band SF Bay Tour - Low894.10.6710
5-Band SF Bay Tour - Low/Med744.20.8062
5-Band SF Bay Tour - Medium653.00.9188
5-Band SF Bay Tour - Med/High590.21.0165
5-Band SF Bay Tour - High541.61.1079
Chicago-Mac Upwind0.9163
Chicago-Mac All Purpose0.9613
Chicago-Mac Downwind1.0053
Bayview-Mac Cove Island0.7193
Bayview-Mac Shore0.7239
Harvest Moon Regatta474.81.2638
Club Certificate2025
SUPERGROOVEGBR-4100L_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDIBLEY 8Measurement12/09/2017HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
LOA7.955Max. Beam2.516Draft1.912Displacement1,356Wetted area12.72IMS L7.732LSM07.308Acc. length7.955Sink (kg/mm) 9.94
VCGD-0.073VCGM-0.088RM Rated (kg·m) 29.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight440Declared crew weight450
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionForwardInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders3Rotating mastNo
P10.580IG9.520ISP11.350MDT10.075MDL10.114MDT2MDL2TLTaperMWGO
E3.920J2.500BAS0.950FSDNo FoilSFJ0.100SPLWPLTPS4.500BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
SUPERGROOVEGBR-4100L_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM011.001.341.872.6627.18Copied from IRC Certificate
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG010.470.911.572.202.709.13YesNo 13.66Copied from IRC Certificate
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentAS0113.2411.5712.417.427.8595%77.59Copied from IRC Certificate