Club Certificate2025
Why knotNED 9092
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 Angles43.3°43.3°40.9°38.3°37.2°36.9°36.9°37.7°39.3°
Beat VMG2.353.274.004.464.654.734.774.764.68
52°3.694.975.856.286.526.656.736.826.83
60°3.965.236.036.456.776.947.067.197.23
75°4.125.386.156.627.067.417.627.938.09
90°4.375.666.396.767.117.638.148.809.26
110°4.465.816.667.347.858.338.819.7310.90
120°4.335.696.597.378.178.879.4810.8512.28
135°3.745.126.176.917.738.7610.0212.6314.29
150°3.024.315.426.216.887.578.5011.7614.88
Run VMG2.623.744.695.395.966.567.3610.1812.89
Gybe Angles142.9°142.9°147.8°152.1°150.7°147.0°144.4°143.8°147.9°
APH ToD:573.1CDL: 7.206APH ToT: 1.0470CertNo:73904
BOAT
ClassMaxfun 25DesignerSimones-VoogdBuilderMaxFun BoatsAge date01/2001Series date01/2000Offset filemaxfun.offData fileNED9092
HULL
Length Overall7.370 mMaximum Beam2.466 mDraft1.493 mDisplacement880 kgDLR3.5048IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight360 kg(declared)Minimum weight230 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.3719.91Headsail Luffed11.5811.58Headsail FlyingSymmetricAsymmetric59.4459.44 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.42Storm Jib3.86Heavy Weather Jib10.42
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Klassennummer: 12
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  04310003ODBIssued on 22/04/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
Why knotNED 9092
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 VMG1531.01100.7899.9806.7774.0761.4755.5756.8769.2
52°975.8723.9615.1573.4552.1541.5534.6527.8527.4
60°910.1688.4596.7558.4531.9518.8510.3500.4497.8
75°874.1668.6585.2544.1510.0486.1472.3454.1445.0
90°824.1635.8563.0532.8506.5471.8442.2409.1388.9
110°806.4619.8540.9490.3458.4431.9408.8369.9330.3
120°832.2633.1546.4488.6440.4406.1379.6331.9293.1
135°961.7702.6583.9521.0465.5410.9359.2285.1251.9
150°1192.4834.6664.3579.6523.5475.5423.7306.1241.9
Run VMG1375.5963.7767.0667.8604.2549.1489.3353.5279.3
Selected Courses
Windward / Leeward1452.81032.2833.4737.3689.1655.2622.4555.1524.2
All purpose1086.7795.6663.0598.4559.8530.1503.9459.0435.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward710.20.8449
All purpose573.11.0470
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7173
Downwind "popa"0.9557
70% up, 30% down "Ilhabela"0.7754
30% up, 70% down "Ilhabela-inverso"0.8691
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Predominantly Upwind634.20.9461
Predominantly Downwind567.41.0574
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low729.30.8227
Triple Number AP Medium573.91.0455
Triple Number AP High493.61.2155
Triple Number Windward/Leeward Low975.30.6152
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Single Number Predominant Upwind656.60.9138
Single Number Predominant Reaching560.61.0702
Single Number Predominant Downwind584.81.0260
Predominant Upwind - Low891.10.6733
Predominant Upwind - Low/Med691.30.8679
Predominant Upwind - Medium616.90.9726
Predominant Upwind - Med/High571.01.0509
Predominant Upwind - High545.61.0998
Predominant Downwind Low852.30.7040
Predominant Downwind Low/Med647.10.9273
Predominant Downwind Medium553.61.0839
Predominant Downwind Med/High466.21.2871
Predominant Downwind High396.41.5134
Predominant Reaching Low769.90.7793
Predominant Reaching Low/Med606.60.9892
Predominant Reaching Medium534.31.1230
Predominant Reaching Med/High468.01.2820
Predominant Reaching High423.21.4179
SA/DSPL Upwind33.72SA/DSPL Downwind85.83
Scoring OptionTODTOT
5-Band Windward/Leeward Low1087.80.5516
5-Band Windward/Leeward Low/Med807.50.7430
5-Band Windward/Leeward Medium697.80.8598
5-Band Windward/Leeward Med/High622.20.9644
5-Band Windward/Leeward High561.41.0687
Windward/Leeward 60-40 Low1101.80.5445
Windward/Leeward 60-40 Low/Med821.60.7303
Windward/Leeward 60-40 Medium715.50.8386
Windward/Leeward 60-40 Med/High649.40.9239
Windward/Leeward 60-40 High600.90.9985
5-Band AP Low794.70.7550
5-Band AP Low/Med644.50.9309
5-Band AP Medium565.21.0616
5-Band AP Med/High505.51.1870
5-Band AP High462.71.2967
5-Band SF Bay Tour - Low940.60.6379
5-Band SF Bay Tour - Low/Med773.70.7755
5-Band SF Bay Tour - Medium671.20.8939
5-Band SF Bay Tour - Med/High602.20.9964
5-Band SF Bay Tour - High550.81.0892
Chicago-Mac Upwind0.8862
Chicago-Mac All Purpose0.9339
Chicago-Mac Downwind0.9807
Bayview-Mac Cove Island0.6899
Bayview-Mac Shore0.6942
Harvest Moon Regatta476.71.2587
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance622.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating613.60.9779
FinRating, kevyt tuuli1064.80.9392
FinRating, kova tuuli462.61.0808
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9643
Triple Number Coastal/Long Distance Low0.8227
Triple Number Coastal/Long Distance Medium1.0456
Triple Number Coastal/Long Distance High1.2155
Triple Number Windward/Leeward Low0.6432
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High0.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
For information
General Purpose Handicap (GPH)641.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low729.3
Triple Number Coastal/Long Distance Medium573.8
Triple Number Coastal/Long Distance High493.6
Triple Number Windward/Leeward Low932.8
Triple Number Windward/Leeward Medium708.7
Triple Number Windward/Leeward High605.4
Predominantly Upwind634.2
Predominantly Downwind567.4
Predominantly Reaching549.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8227
Triple Number Coastal/Long Distance Medium1.0456
Triple Number Coastal/Long Distance High1.2155
Triple Number Windward/Leeward Low0.6432
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High0.9911
Coastal/Long Distance0.9643
Predominantly Upwind0.9461
Predominantly Downwind1.0574
For information
General Purpose Handicap (GPH)641.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0470
Distanseseilas Trippeltall svak vind0.8227
Distanseseilas Trippeltall mellomvind1.0456
Distanseseilas Trippeltall sterk vind1.2155
Pølsebane Trippeltall svak vind0.6432
Pølsebane Trippeltall mellomvind0.8466
Pølsebane Trippeltall sterk vind0.9911
Motvind Singeltall0.9461
Medvind Singeltall1.0574
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Coastal/Long Distance622.20.9643
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind634.20.9461
Predominantly Downwind567.41.0574
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore533.51.1246
Cape Doctor Coastal442.61.3555
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8227
Triple Number Coastal/Long Distance Medium1.0456
Triple Number Coastal/Long Distance High1.2155
Triple Number Windward/Leeward Low0.6432
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High0.9911
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8227
Triple Number Coastal/Long Distance Medium1.0456
Triple Number Coastal/Long Distance High1.2155
Triple Number Windward/Leeward Low0.6432
Triple Number Windward/Leeward Medium0.8466
Triple Number Windward/Leeward High0.9911
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Predominantly Upwind634.20.9461
Predominantly Downwind567.41.0574
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.20.9643
Triple Number Coastal/Long Distance Low729.30.8227
Triple Number Coastal/Long Distance Medium573.81.0456
Triple Number Coastal/Long Distance High493.61.2155
Triple Number Windward/Leeward Low932.80.6432
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1526.11025.4785.3668.6597.8551.1507.9431.5404.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low729.30.8227
Triple Number AP Medium573.91.0455
Triple Number AP High493.61.2155
Triple Number Windward/Leeward Low975.30.6152
Triple Number Windward/Leeward Medium708.70.8466
Triple Number Windward/Leeward High605.40.9911
Single Number Predominant Upwind656.60.9138
Single Number Predominant Reaching560.61.0702
Single Number Predominant Downwind584.81.0260
Predominant Upwind - Low891.10.6733
Predominant Upwind - Low/Med691.30.8679
Predominant Upwind - Medium616.90.9726
Predominant Upwind - Med/High571.01.0509
Predominant Upwind - High545.61.0998
Predominant Downwind Low852.30.7040
Predominant Downwind Low/Med647.10.9273
Predominant Downwind Medium553.61.0839
Predominant Downwind Med/High466.21.2871
Predominant Downwind High396.41.5134
Predominant Reaching Low769.90.7793
Predominant Reaching Low/Med606.60.9892
Predominant Reaching Medium534.31.1230
Predominant Reaching Med/High468.01.2820
Predominant Reaching High423.21.4179
SA/DSPL Upwind33.72SA/DSPL Downwind85.83
Scoring OptionTODTOT
5-Band Windward/Leeward Low1087.80.5516
5-Band Windward/Leeward Low/Med807.50.7430
5-Band Windward/Leeward Medium697.80.8598
5-Band Windward/Leeward Med/High622.20.9644
5-Band Windward/Leeward High561.41.0687
Windward/Leeward 60-40 Low1101.80.5445
Windward/Leeward 60-40 Low/Med821.60.7303
Windward/Leeward 60-40 Medium715.50.8386
Windward/Leeward 60-40 Med/High649.40.9239
Windward/Leeward 60-40 High600.90.9985
5-Band AP Low794.70.7550
5-Band AP Low/Med644.50.9309
5-Band AP Medium565.21.0616
5-Band AP Med/High505.51.1870
5-Band AP High462.71.2967
5-Band SF Bay Tour - Low940.60.6379
5-Band SF Bay Tour - Low/Med773.70.7755
5-Band SF Bay Tour - Medium671.20.8939
5-Band SF Bay Tour - Med/High602.20.9964
5-Band SF Bay Tour - High550.81.0892
Chicago-Mac Upwind0.8862
Chicago-Mac All Purpose0.9339
Chicago-Mac Downwind0.9807
Bayview-Mac Cove Island0.6899
Bayview-Mac Shore0.6942
Harvest Moon Regatta476.71.2587
ORC Ref  04310003ODBIssued on 22/04/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
Why knotNED 9092
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMaxfun 25Measurement12/12/2000HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.370Max. Beam2.466Draft1.493Displacement880Wetted area11.03IMS L6.967LSM06.309Acc. length7.370Sink (kg/mm) 7.77
VCGD-0.229VCGM-0.220RM Rated (kg·m) 22.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight357Declared crew weight360
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P9.324IG8.785ISP10.480MDT10.090MDL10.120MDT2MDL2TLTaperMWGO
E3.320J2.600BAS1.196FSDSFJSPLWPLTPS4.095BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/05/2016
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310003ODBIssued on 22/04/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
Why knotNED 9092
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.151.422.3119.37* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.052.708.44NoNo 11.58* Copied from legacy *
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentCR10.4012.1011.256.206.9090%59.44Class Rules
ORC Ref  04310003ODBIssued on 22/04/2025Valid until 31/03/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org