Double HandedClub Certificate2025
StompenNOR 470
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles43.9°43.9°41.9°41.3°41.4°41.2°41.1°42.0°43.7°
Beat VMG2.072.843.433.814.004.084.124.063.91
52°3.234.345.125.615.855.966.006.005.92
60°3.414.565.345.806.036.156.206.236.21
75°3.524.705.505.956.206.366.466.566.62
90°3.434.615.455.966.266.466.626.836.98
110°3.374.635.596.146.466.686.857.087.18
120°3.214.485.486.106.476.767.007.407.68
135°2.874.075.095.876.326.656.967.568.28
150°2.433.524.525.375.996.386.697.297.95
Run VMG2.103.053.924.675.335.836.206.797.33
Gybe Angles148.0°148.0°151.4°153.9°161.0°167.3°175.4°177.4°177.2°
APH ToD:673.7CDL: 6.267APH ToT: 0.8906CertNo:8525
BOAT
ClassBalladDesignerRolfMagnussonBuilderAlbin Marin ABAge date01/1974Series date01/1971Offset fileBALLAD.offData file8525
HULL
Length Overall9.079 mMaximum Beam2.942 mDraft1.552 mDisplacement3,299 kgDLR10.2704IMS DivisionCruiser/RacerDynamic Allowance0.390%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0200
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail16.7216.98Headsail Luffed31.6331.63Headsail FlyingSymmetric62.4362.43Asymmetric
STORM SAIL AREAS (m²)
Trysail4.84Storm Jib6.53Heavy Weather Jib17.61
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
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.
Double HandedClub Certificate2025
StompenNOR 470
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1741.61266.91048.4944.7899.0881.7874.2887.6920.4
52°1116.3830.0702.7641.2614.9604.3599.6599.9608.1
60°1055.3789.8674.2620.7597.0585.7580.5577.7579.6
75°1023.2766.2655.1604.8580.3566.1557.1548.5543.6
90°1051.0780.5660.6604.2575.5557.2544.2527.0516.1
110°1069.0776.9644.3586.5557.6538.6525.9508.6501.1
120°1120.8803.6656.7590.4556.7532.9514.3486.7469.0
135°1254.5885.6707.3613.7569.9541.1517.2476.4435.0
150°1479.71022.1796.9670.9601.4564.7538.0493.9452.8
Run VMG1711.81180.2919.2771.2676.0618.0580.2530.1490.9
Selected Courses
Windward / Leeward1724.81223.5983.8858.0787.5749.8727.2708.8705.6
All purpose1318.3950.5778.5692.5648.1624.3609.0593.0586.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward825.50.7268
All purpose673.70.8906
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6174
Downwind "popa"0.7962
70% up, 30% down "Ilhabela"0.6620
30% up, 70% down "Ilhabela-inverso"0.7326
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Predominantly Upwind734.60.8168
Predominantly Downwind673.40.8911
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low864.50.6940
Triple Number AP Medium667.90.8984
Triple Number AP High606.80.9888
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Single Number Predominant Upwind765.90.7834
Single Number Predominant Reaching671.20.8939
Single Number Predominant Downwind705.70.8503
Predominant Upwind - Low1046.80.5732
Predominant Upwind - Low/Med801.80.7483
Predominant Upwind - Medium711.00.8439
Predominant Upwind - Med/High672.00.8928
Predominant Upwind - High663.70.9040
Predominant Downwind Low1041.50.5761
Predominant Downwind Low/Med763.70.7856
Predominant Downwind Medium648.20.9257
Predominant Downwind Med/High582.51.0301
Predominant Downwind High548.81.0933
Predominant Reaching Low935.10.6417
Predominant Reaching Low/Med710.80.8441
Predominant Reaching Medium624.10.9613
Predominant Reaching Med/High578.41.0374
Predominant Reaching High556.11.0789
SA/DSPL Upwind21.74SA/DSPL Downwind35.58
Scoring OptionTODTOT
5-Band Windward/Leeward Low1289.40.4653
5-Band Windward/Leeward Low/Med945.80.6344
5-Band Windward/Leeward Medium804.30.7460
5-Band Windward/Leeward Med/High733.00.8185
5-Band Windward/Leeward High711.40.8434
Windward/Leeward 60-40 Low1297.70.4624
Windward/Leeward 60-40 Low/Med961.00.6243
Windward/Leeward 60-40 Medium826.20.7262
Windward/Leeward 60-40 Med/High762.40.7870
Windward/Leeward 60-40 High747.30.8028
5-Band AP Low957.40.6267
5-Band AP Low/Med754.30.7955
5-Band AP Medium659.10.9103
5-Band AP Med/High612.20.9801
5-Band AP High594.51.0092
5-Band SF Bay Tour - Low1114.50.5384
5-Band SF Bay Tour - Low/Med908.00.6608
5-Band SF Bay Tour - Medium780.80.7684
5-Band SF Bay Tour - Med/High719.50.8339
5-Band SF Bay Tour - High701.20.8557
Chicago-Mac Upwind0.7608
Chicago-Mac All Purpose0.7921
Chicago-Mac Downwind0.8204
Bayview-Mac Cove Island0.5797
Bayview-Mac Shore0.5834
Harvest Moon Regatta582.21.0306
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance731.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating731.10.8207
FinRating, kevyt tuuli1268.70.7882
FinRating, kova tuuli597.80.8364
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8207
Triple Number Coastal/Long Distance Low0.6940
Triple Number Coastal/Long Distance Medium0.8985
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.5436
Triple Number Windward/Leeward Medium0.7335
Triple Number Windward/Leeward High0.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
For information
General Purpose Handicap (GPH)755.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low864.6
Triple Number Coastal/Long Distance Medium667.8
Triple Number Coastal/Long Distance High606.8
Triple Number Windward/Leeward Low1103.8
Triple Number Windward/Leeward Medium818.0
Triple Number Windward/Leeward High726.0
Predominantly Upwind734.6
Predominantly Downwind673.4
Predominantly Reaching651.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6940
Triple Number Coastal/Long Distance Medium0.8985
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.5436
Triple Number Windward/Leeward Medium0.7335
Triple Number Windward/Leeward High0.8265
Coastal/Long Distance0.8207
Predominantly Upwind0.8168
Predominantly Downwind0.8911
For information
General Purpose Handicap (GPH)755.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8906
Distanseseilas Trippeltall svak vind0.6940
Distanseseilas Trippeltall mellomvind0.8985
Distanseseilas Trippeltall sterk vind0.9888
Pølsebane Trippeltall svak vind0.5436
Pølsebane Trippeltall mellomvind0.7335
Pølsebane Trippeltall sterk vind0.8265
Motvind Singeltall0.8168
Medvind Singeltall0.8911
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Coastal/Long Distance731.10.8207
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind734.60.8168
Predominantly Downwind673.40.8911
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore706.60.8491
Cape Doctor Coastal588.11.0203
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6940
Triple Number Coastal/Long Distance Medium0.8985
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.5436
Triple Number Windward/Leeward Medium0.7335
Triple Number Windward/Leeward High0.8265
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6940
Triple Number Coastal/Long Distance Medium0.8985
Triple Number Coastal/Long Distance High0.9888
Triple Number Windward/Leeward Low0.5436
Triple Number Windward/Leeward Medium0.7335
Triple Number Windward/Leeward High0.8265
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Predominantly Upwind734.60.8168
Predominantly Downwind673.40.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance731.10.8207
Triple Number Coastal/Long Distance Low864.60.6940
Triple Number Coastal/Long Distance Medium667.80.8985
Triple Number Coastal/Long Distance High606.80.9888
Triple Number Windward/Leeward Low1103.80.5436
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1822.41219.2926.5776.3691.9647.8614.2562.6551.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low864.50.6940
Triple Number AP Medium667.90.8984
Triple Number AP High606.80.9888
Triple Number Windward/Leeward Low1153.40.5202
Triple Number Windward/Leeward Medium818.00.7335
Triple Number Windward/Leeward High726.00.8265
Single Number Predominant Upwind765.90.7834
Single Number Predominant Reaching671.20.8939
Single Number Predominant Downwind705.70.8503
Predominant Upwind - Low1046.80.5732
Predominant Upwind - Low/Med801.80.7483
Predominant Upwind - Medium711.00.8439
Predominant Upwind - Med/High672.00.8928
Predominant Upwind - High663.70.9040
Predominant Downwind Low1041.50.5761
Predominant Downwind Low/Med763.70.7856
Predominant Downwind Medium648.20.9257
Predominant Downwind Med/High582.51.0301
Predominant Downwind High548.81.0933
Predominant Reaching Low935.10.6417
Predominant Reaching Low/Med710.80.8441
Predominant Reaching Medium624.10.9613
Predominant Reaching Med/High578.41.0374
Predominant Reaching High556.11.0789
SA/DSPL Upwind21.74SA/DSPL Downwind35.58
Scoring OptionTODTOT
5-Band Windward/Leeward Low1289.40.4653
5-Band Windward/Leeward Low/Med945.80.6344
5-Band Windward/Leeward Medium804.30.7460
5-Band Windward/Leeward Med/High733.00.8185
5-Band Windward/Leeward High711.40.8434
Windward/Leeward 60-40 Low1297.70.4624
Windward/Leeward 60-40 Low/Med961.00.6243
Windward/Leeward 60-40 Medium826.20.7262
Windward/Leeward 60-40 Med/High762.40.7870
Windward/Leeward 60-40 High747.30.8028
5-Band AP Low957.40.6267
5-Band AP Low/Med754.30.7955
5-Band AP Medium659.10.9103
5-Band AP Med/High612.20.9801
5-Band AP High594.51.0092
5-Band SF Bay Tour - Low1114.50.5384
5-Band SF Bay Tour - Low/Med908.00.6608
5-Band SF Bay Tour - Medium780.80.7684
5-Band SF Bay Tour - Med/High719.50.8339
5-Band SF Bay Tour - High701.20.8557
Chicago-Mac Upwind0.7608
Chicago-Mac All Purpose0.7921
Chicago-Mac Downwind0.8204
Bayview-Mac Cove Island0.5797
Bayview-Mac Shore0.5834
Harvest Moon Regatta582.21.0306
Double HandedClub Certificate2025
StompenNOR 470
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBalladMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.079Max. Beam2.942Draft1.552Displacement3,299Wetted area16.87IMS L7.015LSM06.848Acc. length9.079Sink (kg/mm) 11.42
VCGD-0.220VCGM-0.116RM Rated (kg·m) 57.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0200
RIG
Forestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P9.700IG11.420ISP11.420MDT10.110MDL10.160MDT20.000MDL20.000TLNo TaperMW0.000GO0.000
E2.850J3.550BAS1.340FSDFoilSFJ0.000SPL3.710WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.220Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
StompenNOR 470
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment421-2007051113550.150.001.101.830.0016.7211/05/2007For LYS
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment421-2007051113560.000.000.000.000.005.5011.30NoNo 31.6311/05/2007
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment421-20070511135911.2711.2711.276.640.0062.4311/05/2007for LYS
CRUISER/RACER REQUIREMENTS*
Accommodation length9.1 mTable area0.44 m²Headroom1.63 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity62 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity32 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.