Non Spin/HSFClub Certificate2025
ImpulsNOR 6543
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 Angles44.5°44.5°42.5°40.8°39.7°38.9°38.4°38.1°38.7°
Beat VMG2.383.304.054.594.955.135.225.285.24
52°3.775.116.096.737.087.267.347.417.42
60°4.045.426.366.947.257.437.527.607.64
75°4.215.616.557.107.417.617.757.918.00
90°4.085.496.487.087.437.677.868.158.34
110°3.474.825.936.787.297.627.888.348.80
120°3.234.555.686.577.167.547.828.328.87
135°2.764.015.136.046.777.257.588.118.63
150°2.293.394.445.366.146.797.247.828.31
Run VMG1.982.943.854.675.406.086.687.467.96
Gybe Angles145.3°145.3°149.6°154.8°161.3°169.1°175.4°179.0°179.5°
APH ToD:591.0CDL: 9.379APH ToT: 1.0152CertNo:5047
BOAT
ClassSUN LEGENDE 41DesignerPETERSONDOUGBuilderJeanneauAge date01/1990Series date01/1984Offset fileL5523.BOFData file5047
HULL
Length Overall12.200 mMaximum Beam3.908 mDraft2.018 mDisplacement8,656 kgDLR8.5916IMS DivisionCruiser/RacerDynamic Allowance0.470%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight691 kg(default)Minimum weight561 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.1935.78Headsail Luffed51.7151.71Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail10.35Storm Jib11.72Heavy Weather Jib31.63
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
ImpulsNOR 6543
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 VMG1512.51089.5889.7784.1727.1702.0689.3681.4686.8
52°955.4705.0591.4534.8508.6496.2490.8486.1485.3
60°890.3664.8565.7518.6496.4484.5478.8473.5471.2
75°854.5641.4549.5507.2486.0473.0464.3455.4450.0
90°881.5655.8555.9508.1484.4469.5458.1441.8431.5
110°1038.5746.9607.6531.3493.6472.2456.7431.5409.2
120°1115.9790.6633.5548.1502.5477.7460.5432.9406.1
135°1302.4898.3701.8596.2531.9496.3474.7444.1417.0
150°1574.91062.0809.9671.3586.0530.0497.0460.3433.2
Run VMG1816.51226.2935.2771.5666.5592.4539.3482.4452.1
Selected Courses
Windward / Leeward1661.81157.9912.5777.8696.8647.2614.3581.9569.5
All purpose1236.1878.7707.7616.6565.1535.2516.6495.8483.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward733.70.8178
All purpose591.01.0152
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7550
Downwind "popa"0.8056
70% up, 30% down "Ilhabela"0.7695
30% up, 70% down "Ilhabela-inverso"0.7897
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Predominantly Upwind625.60.9591
Predominantly Downwind621.00.9662
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low793.20.7564
Triple Number AP Medium586.81.0226
Triple Number AP High513.51.1685
Triple Number Windward/Leeward Low1084.60.5532
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Single Number Predominant Upwind652.50.9195
Single Number Predominant Reaching592.31.0130
Single Number Predominant Downwind654.60.9165
Predominant Upwind - Low929.50.6455
Predominant Upwind - Low/Med695.80.8623
Predominant Upwind - Medium601.40.9977
Predominant Upwind - Med/High554.71.0816
Predominant Upwind - High538.61.1140
Predominant Downwind Low1015.40.5909
Predominant Downwind Low/Med722.60.8304
Predominant Downwind Medium594.01.0101
Predominant Downwind Med/High516.91.1608
Predominant Downwind High481.71.2456
Predominant Reaching Low856.00.7010
Predominant Reaching Low/Med636.40.9429
Predominant Reaching Medium546.01.0990
Predominant Reaching Med/High496.51.2085
Predominant Reaching High474.11.2656
SA/DSPL Upwind20.47SA/DSPL Downwind20.47
Scoring OptionTODTOT
5-Band Windward/Leeward Low1223.20.4905
5-Band Windward/Leeward Low/Med869.30.6902
5-Band Windward/Leeward Medium713.10.8414
5-Band Windward/Leeward Med/High621.40.9656
5-Band Windward/Leeward High585.41.0250
Windward/Leeward 60-40 Low1207.60.4969
Windward/Leeward 60-40 Low/Med867.00.6920
Windward/Leeward 60-40 Medium719.00.8344
Windward/Leeward 60-40 Med/High635.70.9438
Windward/Leeward 60-40 High605.00.9917
5-Band AP Low893.50.6715
5-Band AP Low/Med679.70.8827
5-Band AP Medium576.51.0408
5-Band AP Med/High520.31.1531
5-Band AP High497.31.2066
5-Band SF Bay Tour - Low1041.00.5764
5-Band SF Bay Tour - Low/Med826.70.7258
5-Band SF Bay Tour - Medium685.30.8756
5-Band SF Bay Tour - Med/High606.50.9893
5-Band SF Bay Tour - High576.51.0407
Chicago-Mac Upwind0.8878
Chicago-Mac All Purpose0.8879
Chicago-Mac Downwind0.8775
Bayview-Mac Cove Island0.6274
Bayview-Mac Shore0.6350
Harvest Moon Regatta512.81.1700
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance647.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating647.40.9267
FinRating, kevyt tuuli1204.40.8303
FinRating, kova tuuli501.50.9969
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9267
Triple Number Coastal/Long Distance Low0.7564
Triple Number Coastal/Long Distance Medium1.0227
Triple Number Coastal/Long Distance High1.1685
Triple Number Windward/Leeward Low0.5796
Triple Number Windward/Leeward Medium0.8226
Triple Number Windward/Leeward High0.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
For information
General Purpose Handicap (GPH)670.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low793.2
Triple Number Coastal/Long Distance Medium586.7
Triple Number Coastal/Long Distance High513.5
Triple Number Windward/Leeward Low1035.2
Triple Number Windward/Leeward Medium729.4
Triple Number Windward/Leeward High610.4
Predominantly Upwind625.6
Predominantly Downwind621.0
Predominantly Reaching583.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7564
Triple Number Coastal/Long Distance Medium1.0227
Triple Number Coastal/Long Distance High1.1685
Triple Number Windward/Leeward Low0.5796
Triple Number Windward/Leeward Medium0.8226
Triple Number Windward/Leeward High0.9830
Coastal/Long Distance0.9267
Predominantly Upwind0.9591
Predominantly Downwind0.9662
For information
General Purpose Handicap (GPH)670.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0152
Distanseseilas Trippeltall svak vind0.7564
Distanseseilas Trippeltall mellomvind1.0227
Distanseseilas Trippeltall sterk vind1.1685
Pølsebane Trippeltall svak vind0.5796
Pølsebane Trippeltall mellomvind0.8226
Pølsebane Trippeltall sterk vind0.9830
Motvind Singeltall0.9591
Medvind Singeltall0.9662
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Coastal/Long Distance647.40.9267
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind625.60.9591
Predominantly Downwind621.00.9662
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore573.21.0468
Cape Doctor Coastal487.21.2316
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7564
Triple Number Coastal/Long Distance Medium1.0227
Triple Number Coastal/Long Distance High1.1685
Triple Number Windward/Leeward Low0.5796
Triple Number Windward/Leeward Medium0.8226
Triple Number Windward/Leeward High0.9830
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7564
Triple Number Coastal/Long Distance Medium1.0227
Triple Number Coastal/Long Distance High1.1685
Triple Number Windward/Leeward Low0.5796
Triple Number Windward/Leeward Medium0.8226
Triple Number Windward/Leeward High0.9830
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Predominantly Upwind625.60.9591
Predominantly Downwind621.00.9662
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance647.40.9267
Triple Number Coastal/Long Distance Low793.20.7564
Triple Number Coastal/Long Distance Medium586.71.0227
Triple Number Coastal/Long Distance High513.51.1685
Triple Number Windward/Leeward Low1035.20.5796
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1798.81164.7858.2698.5604.3556.1522.9477.4462.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low793.20.7564
Triple Number AP Medium586.81.0226
Triple Number AP High513.51.1685
Triple Number Windward/Leeward Low1084.60.5532
Triple Number Windward/Leeward Medium729.40.8226
Triple Number Windward/Leeward High610.40.9830
Single Number Predominant Upwind652.50.9195
Single Number Predominant Reaching592.31.0130
Single Number Predominant Downwind654.60.9165
Predominant Upwind - Low929.50.6455
Predominant Upwind - Low/Med695.80.8623
Predominant Upwind - Medium601.40.9977
Predominant Upwind - Med/High554.71.0816
Predominant Upwind - High538.61.1140
Predominant Downwind Low1015.40.5909
Predominant Downwind Low/Med722.60.8304
Predominant Downwind Medium594.01.0101
Predominant Downwind Med/High516.91.1608
Predominant Downwind High481.71.2456
Predominant Reaching Low856.00.7010
Predominant Reaching Low/Med636.40.9429
Predominant Reaching Medium546.01.0990
Predominant Reaching Med/High496.51.2085
Predominant Reaching High474.11.2656
SA/DSPL Upwind20.47SA/DSPL Downwind20.47
Scoring OptionTODTOT
5-Band Windward/Leeward Low1223.20.4905
5-Band Windward/Leeward Low/Med869.30.6902
5-Band Windward/Leeward Medium713.10.8414
5-Band Windward/Leeward Med/High621.40.9656
5-Band Windward/Leeward High585.41.0250
Windward/Leeward 60-40 Low1207.60.4969
Windward/Leeward 60-40 Low/Med867.00.6920
Windward/Leeward 60-40 Medium719.00.8344
Windward/Leeward 60-40 Med/High635.70.9438
Windward/Leeward 60-40 High605.00.9917
5-Band AP Low893.50.6715
5-Band AP Low/Med679.70.8827
5-Band AP Medium576.51.0408
5-Band AP Med/High520.31.1531
5-Band AP High497.31.2066
5-Band SF Bay Tour - Low1041.00.5764
5-Band SF Bay Tour - Low/Med826.70.7258
5-Band SF Bay Tour - Medium685.30.8756
5-Band SF Bay Tour - Med/High606.50.9893
5-Band SF Bay Tour - High576.51.0407
Chicago-Mac Upwind0.8878
Chicago-Mac All Purpose0.8879
Chicago-Mac Downwind0.8775
Bayview-Mac Cove Island0.6274
Bayview-Mac Shore0.6350
Harvest Moon Regatta512.81.1700
Non Spin/HSFClub Certificate2025
ImpulsNOR 6543
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSUN LEGENDE 41MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.200Max. Beam3.908Draft2.018Displacement8,656Wetted area32.34IMS L10.322LSM010.024Acc. length12.200Sink (kg/mm) 22.60
VCGD-0.039VCGM-0.011RM Rated (kg·m) 188.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight691Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0073
PSD0.030PHD0.065PHL0.185
PSA15.0°ESL1.170
ST10.890ST20.057ST30.127
ST40.127ST50.127
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.700IG15.180ISP15.660MDT10.135MDL10.210MDT20.135MDL20.210TL0.000MW0.210GO0.248
E4.315J4.590BAS1.660FSD0.037SFJ0.000SPL4.743WPLTPS5.180BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.039Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
ImpulsNOR 6543
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment623-2024041809190.140.911.652.803.5935.1918/04/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment623-2024081407050.070.821.653.355.286.8915.05NoNo 51.7114/08/2024
CRUISER/RACER REQUIREMENTS*
Accommodation length12.2 mTable area0.55 m²Headroom1.82 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity155 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity94 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.