Club 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 Angles44.4°44.4°42.6°41.1°40.2°39.9°39.7°40.2°41.6°
Beat VMG2.042.823.443.884.154.274.334.324.23
52°3.214.345.175.695.976.116.176.206.18
60°3.414.585.395.876.126.276.346.396.41
75°3.514.715.546.006.276.456.576.706.77
90°3.414.605.476.046.326.516.696.937.10
110°3.354.635.616.186.516.776.967.257.48
120°3.194.465.486.126.496.797.067.567.92
135°2.854.045.075.866.316.656.957.568.26
150°2.423.504.505.355.986.376.677.247.88
Run VMG2.093.033.904.655.315.826.206.777.28
Gybe Angles148.0°148.0°151.4°153.9°160.8°166.9°175.4°177.7°177.4°
APH ToD:665.0CDL: 6.518APH ToT: 0.9022CertNo: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 Allowance0.370%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0200
CREW
Maximum weight401 kg(default)Minimum weight271 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.
Club 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 VMG1764.01275.21046.1927.8866.7842.6830.5833.2850.5
52°1122.0828.6696.5632.8602.9589.2583.4580.9582.4
60°1054.3785.5667.6613.7587.9574.5567.9563.5562.0
75°1026.8764.7650.3599.5574.1558.4548.0537.2531.9
90°1056.4782.3658.3595.6569.7552.9538.3519.2507.2
110°1074.9777.1641.2582.3552.6532.1517.0496.4481.1
120°1128.1806.4656.6588.2554.4529.9509.9476.4454.6
135°1264.4891.0710.2614.7570.1541.7517.8476.3435.6
150°1489.81027.6800.3673.4602.3565.6539.8497.1456.9
Run VMG1723.21186.6923.1774.0678.0618.9580.8532.1494.3
Selected Courses
Windward / Leeward1742.01230.9984.6850.9772.4730.7705.6682.7672.4
All purpose1328.9954.1777.3686.5638.3612.3595.3575.9563.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward812.80.7382
All purpose665.00.9022
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6342
Downwind "popa"0.7934
70% up, 30% down "Ilhabela"0.6749
30% up, 70% down "Ilhabela-inverso"0.7379
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Predominantly Upwind722.20.8308
Predominantly Downwind670.80.8945
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low865.70.6931
Triple Number AP Medium659.50.9097
Triple Number AP High592.31.0130
Triple Number Windward/Leeward Low1158.00.5182
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Single Number Predominant Upwind753.50.7962
Single Number Predominant Reaching666.00.9009
Single Number Predominant Downwind703.10.8533
Predominant Upwind - Low1050.90.5709
Predominant Upwind - Low/Med795.90.7538
Predominant Upwind - Medium697.00.8608
Predominant Upwind - Med/High651.80.9206
Predominant Upwind - High638.40.9399
Predominant Downwind Low1046.60.5733
Predominant Downwind Low/Med763.40.7860
Predominant Downwind Medium644.50.9309
Predominant Downwind Med/High576.81.0403
Predominant Downwind High541.81.1075
Predominant Reaching Low938.50.6393
Predominant Reaching Low/Med707.90.8475
Predominant Reaching Medium617.80.9711
Predominant Reaching Med/High569.91.0527
Predominant Reaching High545.41.1001
SA/DSPL Upwind21.74SA/DSPL Downwind35.58
Scoring OptionTODTOT
5-Band Windward/Leeward Low1297.50.4624
5-Band Windward/Leeward Low/Med942.40.6367
5-Band Windward/Leeward Medium790.70.7588
5-Band Windward/Leeward Med/High711.60.8432
5-Band Windward/Leeward High684.90.8761
Windward/Leeward 60-40 Low1306.00.4594
Windward/Leeward 60-40 Low/Med956.30.6274
Windward/Leeward 60-40 Medium809.50.7412
Windward/Leeward 60-40 Med/High736.50.8147
Windward/Leeward 60-40 High715.00.8391
5-Band AP Low960.20.6249
5-Band AP Low/Med750.80.7991
5-Band AP Medium649.90.9232
5-Band AP Med/High598.51.0025
5-Band AP High577.21.0396
5-Band SF Bay Tour - Low1119.90.5358
5-Band SF Bay Tour - Low/Med904.20.6636
5-Band SF Bay Tour - Medium766.80.7824
5-Band SF Bay Tour - Med/High697.90.8597
5-Band SF Bay Tour - High674.10.8901
Chicago-Mac Upwind0.7712
Chicago-Mac All Purpose0.7987
Chicago-Mac Downwind0.8225
Bayview-Mac Cove Island0.5794
Bayview-Mac Shore0.5831
Harvest Moon Regatta577.81.0384
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance722.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating722.30.8307
FinRating, kevyt tuuli1276.50.7834
FinRating, kova tuuli580.80.8609
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8307
Triple Number Coastal/Long Distance Low0.6931
Triple Number Coastal/Long Distance Medium0.9098
Triple Number Coastal/Long Distance High1.0130
Triple Number Windward/Leeward Low0.5416
Triple Number Windward/Leeward Medium0.7446
Triple Number Windward/Leeward High0.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
For information
General Purpose Handicap (GPH)748.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low865.7
Triple Number Coastal/Long Distance Medium659.5
Triple Number Coastal/Long Distance High592.3
Triple Number Windward/Leeward Low1107.8
Triple Number Windward/Leeward Medium805.8
Triple Number Windward/Leeward High703.3
Predominantly Upwind722.2
Predominantly Downwind670.8
Predominantly Reaching647.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6931
Triple Number Coastal/Long Distance Medium0.9098
Triple Number Coastal/Long Distance High1.0130
Triple Number Windward/Leeward Low0.5416
Triple Number Windward/Leeward Medium0.7446
Triple Number Windward/Leeward High0.8531
Coastal/Long Distance0.8307
Predominantly Upwind0.8308
Predominantly Downwind0.8945
For information
General Purpose Handicap (GPH)748.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9022
Distanseseilas Trippeltall svak vind0.6931
Distanseseilas Trippeltall mellomvind0.9098
Distanseseilas Trippeltall sterk vind1.0130
Pølsebane Trippeltall svak vind0.5416
Pølsebane Trippeltall mellomvind0.7446
Pølsebane Trippeltall sterk vind0.8531
Motvind Singeltall0.8308
Medvind Singeltall0.8945
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Coastal/Long Distance722.30.8307
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind722.20.8308
Predominantly Downwind670.80.8945
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore675.50.8883
Cape Doctor Coastal567.41.0574
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6931
Triple Number Coastal/Long Distance Medium0.9098
Triple Number Coastal/Long Distance High1.0130
Triple Number Windward/Leeward Low0.5416
Triple Number Windward/Leeward Medium0.7446
Triple Number Windward/Leeward High0.8531
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6931
Triple Number Coastal/Long Distance Medium0.9098
Triple Number Coastal/Long Distance High1.0130
Triple Number Windward/Leeward Low0.5416
Triple Number Windward/Leeward Medium0.7446
Triple Number Windward/Leeward High0.8531
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Predominantly Upwind722.20.8308
Predominantly Downwind670.80.8945
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance722.30.8307
Triple Number Coastal/Long Distance Low865.70.6931
Triple Number Coastal/Long Distance Medium659.50.9098
Triple Number Coastal/Long Distance High592.31.0130
Triple Number Windward/Leeward Low1107.80.5416
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1841.81226.4926.8769.8680.4635.2601.5550.1535.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low865.70.6931
Triple Number AP Medium659.50.9097
Triple Number AP High592.31.0130
Triple Number Windward/Leeward Low1158.00.5182
Triple Number Windward/Leeward Medium805.80.7446
Triple Number Windward/Leeward High703.30.8531
Single Number Predominant Upwind753.50.7962
Single Number Predominant Reaching666.00.9009
Single Number Predominant Downwind703.10.8533
Predominant Upwind - Low1050.90.5709
Predominant Upwind - Low/Med795.90.7538
Predominant Upwind - Medium697.00.8608
Predominant Upwind - Med/High651.80.9206
Predominant Upwind - High638.40.9399
Predominant Downwind Low1046.60.5733
Predominant Downwind Low/Med763.40.7860
Predominant Downwind Medium644.50.9309
Predominant Downwind Med/High576.81.0403
Predominant Downwind High541.81.1075
Predominant Reaching Low938.50.6393
Predominant Reaching Low/Med707.90.8475
Predominant Reaching Medium617.80.9711
Predominant Reaching Med/High569.91.0527
Predominant Reaching High545.41.1001
SA/DSPL Upwind21.74SA/DSPL Downwind35.58
Scoring OptionTODTOT
5-Band Windward/Leeward Low1297.50.4624
5-Band Windward/Leeward Low/Med942.40.6367
5-Band Windward/Leeward Medium790.70.7588
5-Band Windward/Leeward Med/High711.60.8432
5-Band Windward/Leeward High684.90.8761
Windward/Leeward 60-40 Low1306.00.4594
Windward/Leeward 60-40 Low/Med956.30.6274
Windward/Leeward 60-40 Medium809.50.7412
Windward/Leeward 60-40 Med/High736.50.8147
Windward/Leeward 60-40 High715.00.8391
5-Band AP Low960.20.6249
5-Band AP Low/Med750.80.7991
5-Band AP Medium649.90.9232
5-Band AP Med/High598.51.0025
5-Band AP High577.21.0396
5-Band SF Bay Tour - Low1119.90.5358
5-Band SF Bay Tour - Low/Med904.20.6636
5-Band SF Bay Tour - Medium766.80.7824
5-Band SF Bay Tour - Med/High697.90.8597
5-Band SF Bay Tour - High674.10.8901
Chicago-Mac Upwind0.7712
Chicago-Mac All Purpose0.7987
Chicago-Mac Downwind0.8225
Bayview-Mac Cove Island0.5794
Bayview-Mac Shore0.5831
Harvest Moon Regatta577.81.0384
Club 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 L7.100LSM06.848Acc. length9.079Sink (kg/mm) 11.42
VCGD-0.220VCGM-0.116RM Rated (kg·m) 57.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight401Declared 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
Club 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.