Club Certificate2025
PebblesNED 3995
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles43.4°43.4°40.8°38.7°38.2°38.6°38.6°39.1°40.6°
Beat VMG2.453.384.104.524.654.724.774.804.69
52°3.855.156.036.466.636.746.826.926.89
60°4.115.426.246.676.897.057.177.307.31
75°4.275.586.386.897.317.567.768.008.12
90°4.075.476.416.917.477.988.348.839.15
110°4.025.456.487.197.848.308.699.5810.52
120°3.825.246.317.027.798.609.2710.2610.88
135°3.274.645.786.567.227.988.9011.1213.51
150°2.663.864.965.926.627.257.949.6212.63
Run VMG2.303.344.305.145.866.447.008.3610.93
Gybe Angles144.4°144.4°148.9°152.3°160.1°166.2°163.9°154.6°143.8°
APH ToD:578.9CDL: 7.589APH ToT: 1.0365CertNo:16122
BOAT
Class8M one designDesigner J&J designBuilderB-PlastikAge date01/2002Series date01/1995Offset file8MOD.offData fileNED3995
HULL
Length Overall8.015 mMaximum Beam2.490 mDraft1.657 mDisplacement1,207 kgDLR2.6958IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight405 kg(declared)Minimum weight275 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.5824.09Headsail Luffed14.8314.83Headsail FlyingSymmetric43.0443.04Asymmetric
STORM SAIL AREAS (m²)
Trysail6.95Storm Jib4.61Heavy Weather Jib12.45
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.
ORC Ref  04310003SRMIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
PebblesNED 3995
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG1469.61063.7877.3797.2773.5761.9754.5750.3766.9
52°934.6698.6597.4557.5543.3534.4527.9520.0522.7
60°875.2664.5577.3540.0522.2510.8502.3493.1492.4
75°843.2645.0564.1522.8492.2476.3464.0450.2443.2
90°883.9658.3562.0521.3482.0450.9431.5407.9393.3
110°895.3661.1555.8501.0459.2433.9414.1375.7342.2
120°943.0687.0570.6512.8462.3418.4388.5350.7331.0
135°1100.2775.7622.7549.0498.4450.9404.4323.9266.5
150°1351.3932.4725.3608.3543.5496.7453.5374.0285.1
Run VMG1562.31076.7837.6700.9614.4558.9514.0430.6329.2
Selected Courses
Windward / Leeward1514.61070.2857.4749.1694.0660.4634.2590.5548.1
All purpose1134.7819.7673.6602.4561.4533.5511.3475.9448.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward722.30.8307
All purpose578.91.0365
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7268
Downwind "popa"0.8874
70% up, 30% down "Ilhabela"0.7686
30% up, 70% down "Ilhabela-inverso"0.8322
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Predominantly Upwind632.90.9481
Predominantly Downwind586.51.0230
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low746.70.8036
Triple Number AP Medium577.51.0390
Triple Number AP High503.61.1915
Triple Number Windward/Leeward Low1008.20.5951
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Single Number Predominant Upwind656.10.9145
Single Number Predominant Reaching570.51.0518
Single Number Predominant Downwind610.60.9826
Predominant Upwind - Low891.60.6729
Predominant Upwind - Low/Med688.20.8718
Predominant Upwind - Medium614.80.9759
Predominant Upwind - Med/High573.21.0467
Predominant Upwind - High550.41.0902
Predominant Downwind Low916.20.6549
Predominant Downwind Low/Med674.00.8902
Predominant Downwind Medium567.71.0570
Predominant Downwind Med/High487.31.2312
Predominant Downwind High427.41.4038
Predominant Reaching Low804.00.7463
Predominant Reaching Low/Med615.70.9744
Predominant Reaching Medium536.51.1184
Predominant Reaching Med/High476.21.2600
Predominant Reaching High435.81.3767
SA/DSPL Upwind33.86SA/DSPL Downwind58.73
Scoring OptionTODTOT
5-Band Windward/Leeward Low1128.40.5317
5-Band Windward/Leeward Low/Med826.40.7260
5-Band Windward/Leeward Medium706.10.8498
5-Band Windward/Leeward Med/High636.30.9430
5-Band Windward/Leeward High590.71.0157
Windward/Leeward 60-40 Low1126.50.5326
Windward/Leeward 60-40 Low/Med833.40.7200
Windward/Leeward 60-40 Medium721.30.8318
Windward/Leeward 60-40 Med/High660.40.9086
Windward/Leeward 60-40 High623.30.9625
5-Band AP Low826.90.7256
5-Band AP Low/Med653.40.9182
5-Band AP Medium568.71.0551
5-Band AP Med/High513.31.1689
5-Band AP High477.31.2570
5-Band SF Bay Tour - Low967.60.6201
5-Band SF Bay Tour - Low/Med789.00.7605
5-Band SF Bay Tour - Medium680.60.8815
5-Band SF Bay Tour - Med/High616.50.9733
5-Band SF Bay Tour - High574.91.0438
Chicago-Mac Upwind0.8877
Chicago-Mac All Purpose0.9173
Chicago-Mac Downwind0.9402
Bayview-Mac Cove Island0.6673
Bayview-Mac Shore0.6731
Harvest Moon Regatta482.61.2433
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance631.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating631.00.9508
FinRating, kevyt tuuli1109.00.9017
FinRating, kova tuuli477.81.0465
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9508
Triple Number Coastal/Long Distance Low0.8036
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1915
Triple Number Windward/Leeward Low0.6225
Triple Number Windward/Leeward Medium0.8362
Triple Number Windward/Leeward High0.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
For information
General Purpose Handicap (GPH)650.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low746.6
Triple Number Coastal/Long Distance Medium577.4
Triple Number Coastal/Long Distance High503.6
Triple Number Windward/Leeward Low963.9
Triple Number Windward/Leeward Medium717.5
Triple Number Windward/Leeward High624.3
Predominantly Upwind632.9
Predominantly Downwind586.5
Predominantly Reaching559.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8036
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1915
Triple Number Windward/Leeward Low0.6225
Triple Number Windward/Leeward Medium0.8362
Triple Number Windward/Leeward High0.9610
Coastal/Long Distance0.9508
Predominantly Upwind0.9481
Predominantly Downwind1.0230
For information
General Purpose Handicap (GPH)650.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0365
Distanseseilas Trippeltall svak vind0.8036
Distanseseilas Trippeltall mellomvind1.0391
Distanseseilas Trippeltall sterk vind1.1915
Pølsebane Trippeltall svak vind0.6225
Pølsebane Trippeltall mellomvind0.8362
Pølsebane Trippeltall sterk vind0.9610
Motvind Singeltall0.9481
Medvind Singeltall1.0230
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Coastal/Long Distance631.00.9508
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind632.90.9481
Predominantly Downwind586.51.0230
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore560.81.0699
Cape Doctor Coastal456.91.3132
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8036
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1915
Triple Number Windward/Leeward Low0.6225
Triple Number Windward/Leeward Medium0.8362
Triple Number Windward/Leeward High0.9610
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8036
Triple Number Coastal/Long Distance Medium1.0391
Triple Number Coastal/Long Distance High1.1915
Triple Number Windward/Leeward Low0.6225
Triple Number Windward/Leeward Medium0.8362
Triple Number Windward/Leeward High0.9610
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Predominantly Upwind632.90.9481
Predominantly Downwind586.51.0230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.00.9508
Triple Number Coastal/Long Distance Low746.60.8036
Triple Number Coastal/Long Distance Medium577.41.0391
Triple Number Coastal/Long Distance High503.61.1915
Triple Number Windward/Leeward Low963.90.6225
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1616.71070.8807.7677.0601.6553.8513.2448.0422.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low746.70.8036
Triple Number AP Medium577.51.0390
Triple Number AP High503.61.1915
Triple Number Windward/Leeward Low1008.20.5951
Triple Number Windward/Leeward Medium717.50.8362
Triple Number Windward/Leeward High624.30.9610
Single Number Predominant Upwind656.10.9145
Single Number Predominant Reaching570.51.0518
Single Number Predominant Downwind610.60.9826
Predominant Upwind - Low891.60.6729
Predominant Upwind - Low/Med688.20.8718
Predominant Upwind - Medium614.80.9759
Predominant Upwind - Med/High573.21.0467
Predominant Upwind - High550.41.0902
Predominant Downwind Low916.20.6549
Predominant Downwind Low/Med674.00.8902
Predominant Downwind Medium567.71.0570
Predominant Downwind Med/High487.31.2312
Predominant Downwind High427.41.4038
Predominant Reaching Low804.00.7463
Predominant Reaching Low/Med615.70.9744
Predominant Reaching Medium536.51.1184
Predominant Reaching Med/High476.21.2600
Predominant Reaching High435.81.3767
SA/DSPL Upwind33.86SA/DSPL Downwind58.73
Scoring OptionTODTOT
5-Band Windward/Leeward Low1128.40.5317
5-Band Windward/Leeward Low/Med826.40.7260
5-Band Windward/Leeward Medium706.10.8498
5-Band Windward/Leeward Med/High636.30.9430
5-Band Windward/Leeward High590.71.0157
Windward/Leeward 60-40 Low1126.50.5326
Windward/Leeward 60-40 Low/Med833.40.7200
Windward/Leeward 60-40 Medium721.30.8318
Windward/Leeward 60-40 Med/High660.40.9086
Windward/Leeward 60-40 High623.30.9625
5-Band AP Low826.90.7256
5-Band AP Low/Med653.40.9182
5-Band AP Medium568.71.0551
5-Band AP Med/High513.31.1689
5-Band AP High477.31.2570
5-Band SF Bay Tour - Low967.60.6201
5-Band SF Bay Tour - Low/Med789.00.7605
5-Band SF Bay Tour - Medium680.60.8815
5-Band SF Bay Tour - Med/High616.50.9733
5-Band SF Bay Tour - High574.91.0438
Chicago-Mac Upwind0.8877
Chicago-Mac All Purpose0.9173
Chicago-Mac Downwind0.9402
Bayview-Mac Cove Island0.6673
Bayview-Mac Shore0.6731
Harvest Moon Regatta482.61.2433
ORC Ref  04310003SRMIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
PebblesNED 3995
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
Class8M one designMeasurement12/03/2002HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.015Max. Beam2.490Draft1.657Displacement1,207Wetted area12.76IMS L7.725LSM07.649Acc. length8.015Sink (kg/mm) 10.39
VCGD0.055VCGM0.131RM Rated (kg·m) 30.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight470Declared crew weight405
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P10.450IG9.600ISP9.660MDT10.082MDL10.120MDT2MDL2TLTaperMWGO
E3.800J3.010BAS1.100FSDFoilSFJSPL3.080WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.023Flotation Date12/03/2002CommentBB motor op kajuitvloer tijdens meting
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310003SRMIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
PebblesNED 3995
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment020.140.771.412.433.2223.58
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment012.969.84NoNo 14.8320.050.340.661.412.182.899.35YesNo 13.37
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment019.609.609.605.435.1843.04
ORC Ref  04310003SRMIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org