Double HandedClub 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 Angles42.8°42.8°40.4°40.1°40.3°40.4°41.4°42.6°45.5°
Beat VMG2.593.474.044.234.314.354.364.304.04
52°4.025.265.986.216.326.396.446.436.25
60°4.255.536.246.466.596.686.756.786.65
75°4.425.736.476.817.037.197.317.427.41
90°4.335.666.487.047.437.707.918.208.38
110°4.155.586.567.167.547.908.459.199.64
120°3.985.406.447.197.868.358.789.4010.14
135°3.354.785.966.737.498.389.3310.8912.20
150°2.753.975.096.076.797.508.3310.2613.39
Run VMG2.383.444.415.275.996.607.248.8911.60
Gybe Angles139.2°139.2°147.7°153.1°160.1°161.9°155.9°148.3°148.6°
APH ToD:591.3CDL: 7.024APH ToT: 1.0146CertNo: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 weight170 kg(default)Minimum weight120 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  04310003SRNIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Double HandedClub 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 VMG1391.31037.3890.6850.7835.1828.1825.6838.0892.2
52°895.9684.5602.5580.2569.8563.7559.1559.8576.3
60°847.3651.1576.9557.2546.3539.3533.6531.2541.5
75°815.0628.2556.1528.4512.3500.6492.7485.1486.0
90°831.3636.5555.7511.3484.3467.7455.2438.9429.7
110°866.6645.6548.5502.6477.2455.8426.1391.9373.4
120°904.6666.6558.7500.7457.9431.4409.9383.1355.2
135°1073.5753.1603.5534.9480.7429.6386.0330.4295.1
150°1311.0906.8706.8593.0530.0480.1432.4350.9268.9
Run VMG1514.81047.1816.1682.9601.4545.8497.4405.1310.5
Selected Courses
Windward / Leeward1450.71042.2853.4766.8718.2686.9661.5621.5601.3
All purpose1088.5798.3668.5611.1577.3553.4532.5505.4494.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward740.90.8098
All purpose591.31.0146
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6879
Downwind "popa"0.9139
70% up, 30% down "Ilhabela"0.7430
30% up, 70% down "Ilhabela-inverso"0.8319
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Predominantly Upwind652.90.9190
Predominantly Downwind581.31.0321
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low733.40.8181
Triple Number AP Medium590.21.0166
Triple Number AP High527.61.1373
Triple Number Windward/Leeward Low989.70.6063
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Single Number Predominant Upwind675.10.8888
Single Number Predominant Reaching573.01.0472
Single Number Predominant Downwind605.60.9908
Predominant Upwind - Low868.00.6912
Predominant Upwind - Low/Med696.50.8614
Predominant Upwind - Medium639.30.9386
Predominant Upwind - Med/High607.60.9876
Predominant Upwind - High596.91.0053
Predominant Downwind Low890.30.6739
Predominant Downwind Low/Med663.80.9039
Predominant Downwind Medium564.71.0624
Predominant Downwind Med/High489.51.2259
Predominant Downwind High438.61.3681
Predominant Reaching Low780.20.7690
Predominant Reaching Low/Med610.30.9831
Predominant Reaching Medium540.81.1094
Predominant Reaching Med/High490.61.2229
Predominant Reaching High462.01.2987
SA/DSPL Upwind33.86SA/DSPL Downwind58.73
Scoring OptionTODTOT
5-Band Windward/Leeward Low1097.70.5466
5-Band Windward/Leeward Low/Med830.70.7223
5-Band Windward/Leeward Medium727.60.8247
5-Band Windward/Leeward Med/High663.80.9039
5-Band Windward/Leeward High625.00.9601
Windward/Leeward 60-40 Low1096.00.5474
Windward/Leeward 60-40 Low/Med842.60.7121
Windward/Leeward 60-40 Medium750.10.7999
Windward/Leeward 60-40 Med/High696.90.8610
Windward/Leeward 60-40 High669.00.8969
5-Band AP Low804.50.7458
5-Band AP Low/Med653.90.9176
5-Band AP Medium582.71.0296
5-Band AP Med/High535.31.1209
5-Band AP High508.11.1808
5-Band SF Bay Tour - Low946.60.6339
5-Band SF Bay Tour - Low/Med794.40.7553
5-Band SF Bay Tour - Medium702.70.8538
5-Band SF Bay Tour - Med/High645.60.9294
5-Band SF Bay Tour - High613.70.9777
Chicago-Mac Upwind0.8668
Chicago-Mac All Purpose0.9108
Chicago-Mac Downwind0.9502
Bayview-Mac Cove Island0.6787
Bayview-Mac Shore0.6847
Harvest Moon Regatta489.61.2254
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance644.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating644.50.9310
FinRating, kevyt tuuli1075.90.9294
FinRating, kova tuuli510.30.9798
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9310
Triple Number Coastal/Long Distance Low0.8181
Triple Number Coastal/Long Distance Medium1.0167
Triple Number Coastal/Long Distance High1.1373
Triple Number Windward/Leeward Low0.6330
Triple Number Windward/Leeward Medium0.8132
Triple Number Windward/Leeward High0.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
For information
General Purpose Handicap (GPH)658.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low733.4
Triple Number Coastal/Long Distance Medium590.1
Triple Number Coastal/Long Distance High527.6
Triple Number Windward/Leeward Low947.9
Triple Number Windward/Leeward Medium737.8
Triple Number Windward/Leeward High652.9
Predominantly Upwind652.9
Predominantly Downwind581.3
Predominantly Reaching558.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8181
Triple Number Coastal/Long Distance Medium1.0167
Triple Number Coastal/Long Distance High1.1373
Triple Number Windward/Leeward Low0.6330
Triple Number Windward/Leeward Medium0.8132
Triple Number Windward/Leeward High0.9190
Coastal/Long Distance0.9310
Predominantly Upwind0.9190
Predominantly Downwind1.0321
For information
General Purpose Handicap (GPH)658.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0146
Distanseseilas Trippeltall svak vind0.8181
Distanseseilas Trippeltall mellomvind1.0167
Distanseseilas Trippeltall sterk vind1.1373
Pølsebane Trippeltall svak vind0.6330
Pølsebane Trippeltall mellomvind0.8132
Pølsebane Trippeltall sterk vind0.9190
Motvind Singeltall0.9190
Medvind Singeltall1.0321
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Coastal/Long Distance644.50.9310
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind652.90.9190
Predominantly Downwind581.31.0321
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore607.40.9878
Cape Doctor Coastal497.41.2063
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8181
Triple Number Coastal/Long Distance Medium1.0167
Triple Number Coastal/Long Distance High1.1373
Triple Number Windward/Leeward Low0.6330
Triple Number Windward/Leeward Medium0.8132
Triple Number Windward/Leeward High0.9190
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8181
Triple Number Coastal/Long Distance Medium1.0167
Triple Number Coastal/Long Distance High1.1373
Triple Number Windward/Leeward Low0.6330
Triple Number Windward/Leeward Medium0.8132
Triple Number Windward/Leeward High0.9190
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Predominantly Upwind652.90.9190
Predominantly Downwind581.31.0321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance644.50.9310
Triple Number Coastal/Long Distance Low733.40.8181
Triple Number Coastal/Long Distance Medium590.11.0167
Triple Number Coastal/Long Distance High527.61.1373
Triple Number Windward/Leeward Low947.90.6330
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1546.21042.7802.6689.0619.3575.6536.7475.7457.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low733.40.8181
Triple Number AP Medium590.21.0166
Triple Number AP High527.61.1373
Triple Number Windward/Leeward Low989.70.6063
Triple Number Windward/Leeward Medium737.80.8132
Triple Number Windward/Leeward High652.90.9190
Single Number Predominant Upwind675.10.8888
Single Number Predominant Reaching573.01.0472
Single Number Predominant Downwind605.60.9908
Predominant Upwind - Low868.00.6912
Predominant Upwind - Low/Med696.50.8614
Predominant Upwind - Medium639.30.9386
Predominant Upwind - Med/High607.60.9876
Predominant Upwind - High596.91.0053
Predominant Downwind Low890.30.6739
Predominant Downwind Low/Med663.80.9039
Predominant Downwind Medium564.71.0624
Predominant Downwind Med/High489.51.2259
Predominant Downwind High438.61.3681
Predominant Reaching Low780.20.7690
Predominant Reaching Low/Med610.30.9831
Predominant Reaching Medium540.81.1094
Predominant Reaching Med/High490.61.2229
Predominant Reaching High462.01.2987
SA/DSPL Upwind33.86SA/DSPL Downwind58.73
Scoring OptionTODTOT
5-Band Windward/Leeward Low1097.70.5466
5-Band Windward/Leeward Low/Med830.70.7223
5-Band Windward/Leeward Medium727.60.8247
5-Band Windward/Leeward Med/High663.80.9039
5-Band Windward/Leeward High625.00.9601
Windward/Leeward 60-40 Low1096.00.5474
Windward/Leeward 60-40 Low/Med842.60.7121
Windward/Leeward 60-40 Medium750.10.7999
Windward/Leeward 60-40 Med/High696.90.8610
Windward/Leeward 60-40 High669.00.8969
5-Band AP Low804.50.7458
5-Band AP Low/Med653.90.9176
5-Band AP Medium582.71.0296
5-Band AP Med/High535.31.1209
5-Band AP High508.11.1808
5-Band SF Bay Tour - Low946.60.6339
5-Band SF Bay Tour - Low/Med794.40.7553
5-Band SF Bay Tour - Medium702.70.8538
5-Band SF Bay Tour - Med/High645.60.9294
5-Band SF Bay Tour - High613.70.9777
Chicago-Mac Upwind0.8668
Chicago-Mac All Purpose0.9108
Chicago-Mac Downwind0.9502
Bayview-Mac Cove Island0.6787
Bayview-Mac Shore0.6847
Harvest Moon Regatta489.61.2254
ORC Ref  04310003SRNIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Double HandedClub 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 L7.654LSM07.649Acc. length8.015Sink (kg/mm) 10.39
VCGD0.055VCGM0.131RM Rated (kg·m) 30.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
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  04310003SRNIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Double HandedClub 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  04310003SRNIssued on 28/05/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org