Non Spin/HSFClub 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°40.3°41.6°
Beat VMG2.042.823.443.884.154.274.334.324.23
52°3.214.355.175.695.976.116.176.196.18
60°3.424.595.395.876.126.276.346.396.40
75°3.514.715.546.016.276.456.576.706.77
90°3.404.605.476.006.306.516.696.937.10
110°2.944.125.095.816.246.526.777.197.56
120°2.783.934.905.666.146.466.727.207.67
135°2.433.504.475.255.856.246.517.017.51
150°2.033.003.924.715.385.906.256.757.21
Run VMG1.762.603.404.124.775.365.846.446.90
Gybe Angles147.8°147.8°151.9°158.2°166.3°172.7°177.2°179.0°179.2°
APH ToD:691.4CDL: 6.518APH ToT: 0.8678CertNo: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 Allowance0.440%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail4.84Storm Jib6.53Heavy Weather Jib17.61
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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.
Non Spin/HSFClub 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 VMG1763.21274.61045.7927.5866.5842.7830.8833.7851.1
52°1121.3828.2696.3632.6602.8589.3583.6581.1582.7
60°1053.8785.2667.4613.6587.8574.5568.1563.7562.2
75°1026.3764.5650.1599.5574.1558.4548.1537.3532.0
90°1059.0782.1658.1600.4571.7552.9538.3519.2507.3
110°1224.3874.8707.7619.7577.2551.8531.8501.0476.3
120°1292.9916.2734.2635.7586.0557.7535.9500.2469.6
135°1484.21028.1805.8685.1614.9577.2552.6513.5479.5
150°1776.91200.3918.0764.4668.8610.0576.1533.4499.1
Run VMG2050.51385.91058.4874.1754.9672.0616.5558.7522.0
Selected Courses
Windward / Leeward1903.51330.31052.1900.8810.7757.3723.7696.2686.5
All purpose1433.21019.6822.2718.8661.3629.1608.9587.8575.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward853.70.7028
All purpose691.40.8678
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6343
Downwind "popa"0.7094
70% up, 30% down "Ilhabela"0.6551
30% up, 70% down "Ilhabela-inverso"0.6851
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Predominantly Upwind736.50.8147
Predominantly Downwind717.90.8358
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low920.90.6515
Triple Number AP Medium685.90.8748
Triple Number AP High606.00.9901
Triple Number Windward/Leeward Low1247.60.4809
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Single Number Predominant Upwind768.70.7805
Single Number Predominant Reaching692.90.8659
Single Number Predominant Downwind756.70.7930
Predominant Upwind - Low1084.10.5534
Predominant Upwind - Low/Med815.30.7359
Predominant Upwind - Medium709.10.8461
Predominant Upwind - Med/High659.10.9103
Predominant Upwind - High645.00.9302
Predominant Downwind Low1165.70.5147
Predominant Downwind Low/Med832.20.7210
Predominant Downwind Medium687.10.8732
Predominant Downwind Med/High602.10.9965
Predominant Downwind High563.81.0642
Predominant Reaching Low997.10.6018
Predominant Reaching Low/Med742.40.8082
Predominant Reaching Medium639.10.9389
Predominant Reaching Med/High583.41.0284
Predominant Reaching High558.41.0745
SA/DSPL Upwind21.74SA/DSPL Downwind21.74
Scoring OptionTODTOT
5-Band Windward/Leeward Low1404.90.4271
5-Band Windward/Leeward Low/Med1004.10.5975
5-Band Windward/Leeward Medium829.70.7232
5-Band Windward/Leeward Med/High732.10.8196
5-Band Windward/Leeward High699.30.8580
Windward/Leeward 60-40 Low1391.80.4311
Windward/Leeward 60-40 Low/Med1005.50.5967
Windward/Leeward 60-40 Medium840.70.7137
Windward/Leeward 60-40 Med/High752.90.7969
Windward/Leeward 60-40 High726.70.8257
5-Band AP Low1036.80.5787
5-Band AP Low/Med791.10.7585
5-Band AP Medium674.50.8895
5-Band AP Med/High613.10.9786
5-Band AP High589.31.0181
5-Band SF Bay Tour - Low1200.10.4999
5-Band SF Bay Tour - Low/Med957.80.6264
5-Band SF Bay Tour - Medium800.40.7497
5-Band SF Bay Tour - Med/High716.90.8370
5-Band SF Bay Tour - High689.40.8704
Chicago-Mac Upwind0.7549
Chicago-Mac All Purpose0.7618
Chicago-Mac Downwind0.7605
Bayview-Mac Cove Island0.5419
Bayview-Mac Shore0.5478
Harvest Moon Regatta598.61.0024
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance755.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating755.00.7947
FinRating, kevyt tuuli1385.00.7220
FinRating, kova tuuli593.80.8420
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7947
Triple Number Coastal/Long Distance Low0.6515
Triple Number Coastal/Long Distance Medium0.8749
Triple Number Coastal/Long Distance High0.9901
Triple Number Windward/Leeward Low0.5037
Triple Number Windward/Leeward Medium0.7079
Triple Number Windward/Leeward High0.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
For information
General Purpose Handicap (GPH)782.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low921.0
Triple Number Coastal/Long Distance Medium685.8
Triple Number Coastal/Long Distance High606.0
Triple Number Windward/Leeward Low1191.2
Triple Number Windward/Leeward Medium847.6
Triple Number Windward/Leeward High721.8
Predominantly Upwind736.5
Predominantly Downwind717.9
Predominantly Reaching679.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6515
Triple Number Coastal/Long Distance Medium0.8749
Triple Number Coastal/Long Distance High0.9901
Triple Number Windward/Leeward Low0.5037
Triple Number Windward/Leeward Medium0.7079
Triple Number Windward/Leeward High0.8313
Coastal/Long Distance0.7947
Predominantly Upwind0.8147
Predominantly Downwind0.8358
For information
General Purpose Handicap (GPH)782.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8678
Distanseseilas Trippeltall svak vind0.6515
Distanseseilas Trippeltall mellomvind0.8749
Distanseseilas Trippeltall sterk vind0.9901
Pølsebane Trippeltall svak vind0.5037
Pølsebane Trippeltall mellomvind0.7079
Pølsebane Trippeltall sterk vind0.8313
Motvind Singeltall0.8147
Medvind Singeltall0.8358
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Coastal/Long Distance755.00.7947
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind736.50.8147
Predominantly Downwind717.90.8358
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore689.40.8703
Cape Doctor Coastal579.31.0358
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6515
Triple Number Coastal/Long Distance Medium0.8749
Triple Number Coastal/Long Distance High0.9901
Triple Number Windward/Leeward Low0.5037
Triple Number Windward/Leeward Medium0.7079
Triple Number Windward/Leeward High0.8313
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6515
Triple Number Coastal/Long Distance Medium0.8749
Triple Number Coastal/Long Distance High0.9901
Triple Number Windward/Leeward Low0.5037
Triple Number Windward/Leeward Medium0.7079
Triple Number Windward/Leeward High0.8313
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Predominantly Upwind736.50.8147
Predominantly Downwind717.90.8358
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance755.00.7947
Triple Number Coastal/Long Distance Low921.00.6515
Triple Number Coastal/Long Distance Medium685.80.8749
Triple Number Coastal/Long Distance High606.00.9901
Triple Number Windward/Leeward Low1191.20.5037
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2049.51335.9990.5811.4706.8653.4615.8562.4546.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low920.90.6515
Triple Number AP Medium685.90.8748
Triple Number AP High606.00.9901
Triple Number Windward/Leeward Low1247.60.4809
Triple Number Windward/Leeward Medium847.60.7079
Triple Number Windward/Leeward High721.80.8313
Single Number Predominant Upwind768.70.7805
Single Number Predominant Reaching692.90.8659
Single Number Predominant Downwind756.70.7930
Predominant Upwind - Low1084.10.5534
Predominant Upwind - Low/Med815.30.7359
Predominant Upwind - Medium709.10.8461
Predominant Upwind - Med/High659.10.9103
Predominant Upwind - High645.00.9302
Predominant Downwind Low1165.70.5147
Predominant Downwind Low/Med832.20.7210
Predominant Downwind Medium687.10.8732
Predominant Downwind Med/High602.10.9965
Predominant Downwind High563.81.0642
Predominant Reaching Low997.10.6018
Predominant Reaching Low/Med742.40.8082
Predominant Reaching Medium639.10.9389
Predominant Reaching Med/High583.41.0284
Predominant Reaching High558.41.0745
SA/DSPL Upwind21.74SA/DSPL Downwind21.74
Scoring OptionTODTOT
5-Band Windward/Leeward Low1404.90.4271
5-Band Windward/Leeward Low/Med1004.10.5975
5-Band Windward/Leeward Medium829.70.7232
5-Band Windward/Leeward Med/High732.10.8196
5-Band Windward/Leeward High699.30.8580
Windward/Leeward 60-40 Low1391.80.4311
Windward/Leeward 60-40 Low/Med1005.50.5967
Windward/Leeward 60-40 Medium840.70.7137
Windward/Leeward 60-40 Med/High752.90.7969
Windward/Leeward 60-40 High726.70.8257
5-Band AP Low1036.80.5787
5-Band AP Low/Med791.10.7585
5-Band AP Medium674.50.8895
5-Band AP Med/High613.10.9786
5-Band AP High589.31.0181
5-Band SF Bay Tour - Low1200.10.4999
5-Band SF Bay Tour - Low/Med957.80.6264
5-Band SF Bay Tour - Medium800.40.7497
5-Band SF Bay Tour - Med/High716.90.8370
5-Band SF Bay Tour - High689.40.8704
Chicago-Mac Upwind0.7549
Chicago-Mac All Purpose0.7618
Chicago-Mac Downwind0.7605
Bayview-Mac Cove Island0.5419
Bayview-Mac Shore0.5478
Harvest Moon Regatta598.61.0024
Non Spin/HSFClub 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 L7.097LSM06.848Acc. 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
Non Spin/HSFClub 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
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.