Non Spin/HSFClub Certificate2025
BrutusNED 8517
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 Angles42.4°42.4°39.5°37.8°37.5°37.7°38.0°39.1°41.3°
Beat VMG2.493.414.084.354.434.474.504.464.23
52°3.915.135.866.116.216.276.326.346.24
60°4.165.366.016.286.396.476.536.596.53
75°4.295.496.136.456.676.816.927.057.09
90°4.165.396.096.496.837.107.307.607.78
110°3.524.825.776.296.717.177.638.448.98
120°3.254.535.536.136.546.977.468.689.99
135°2.743.934.965.756.236.627.048.089.76
150°2.263.324.295.115.776.206.557.338.41
Run VMG1.982.873.724.555.305.906.317.068.00
Gybe Angles145.3°145.3°146.9°173.9°176.6°178.6°179.3°179.0°178.4°
APH ToD:636.5CDL: 6.893APH ToT: 0.9426CertNo:674787
BOAT
ClassPlatu 25 ModDesignerFarrBuilderbeneteauAge dateSeries date01/1995Offset filePlatu25.OD.offData file674787
HULL
Length Overall7.530 mMaximum Beam2.580 mDraft1.596 mDisplacement1,255 kgDLR4.3764IMS DivisionSportboatDynamic Allowance0.080%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight380 kg(default)Minimum weight250 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.6421.17Headsail Luffed12.9212.92Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.01Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ No 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
BrutusNED 8517
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 VMG1448.21054.8882.6828.3811.8804.9800.4807.7851.5
52°920.8701.3614.6589.0579.7574.1570.0567.5577.1
60°865.9671.2598.5573.7563.1556.2551.0546.2551.4
75°839.9655.6587.6558.0539.6528.7520.1510.5507.9
90°864.8668.2591.5554.5527.0507.2492.9473.6462.7
110°1022.3746.7623.9572.3536.3502.1472.1426.3401.0
120°1108.4795.2650.8586.9550.1516.2482.7414.7360.4
135°1311.5917.1725.9626.4577.6543.6511.7445.7368.8
150°1589.51085.5838.8704.1623.9580.5549.9490.9428.3
Run VMG1819.41253.5968.6790.8679.3610.6570.8509.6450.0
Selected Courses
Windward / Leeward1633.21154.2925.6809.5745.5707.8685.6658.7650.8
All purpose1215.0880.6727.3656.4617.5592.6574.0546.1530.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward778.90.7703
All purpose636.50.9426
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7011
Downwind "popa"0.7802
70% up, 30% down "Ilhabela"0.7231
30% up, 70% down "Ilhabela-inverso"0.7547
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Predominantly Upwind677.10.8861
Predominantly Downwind657.20.9130
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low804.00.7463
Triple Number AP Medium633.40.9472
Triple Number AP High568.21.0560
Triple Number Windward/Leeward Low1087.70.5516
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Single Number Predominant Upwind701.60.8551
Single Number Predominant Reaching630.40.9518
Single Number Predominant Downwind687.60.8726
Predominant Upwind - Low922.10.6507
Predominant Upwind - Low/Med725.70.8268
Predominant Upwind - Medium660.10.9090
Predominant Upwind - Med/High627.90.9556
Predominant Upwind - High615.00.9756
Predominant Downwind Low1027.00.5842
Predominant Downwind Low/Med751.40.7985
Predominant Downwind Medium633.10.9477
Predominant Downwind Med/High559.61.0722
Predominant Downwind High513.11.1694
Predominant Reaching Low863.20.6951
Predominant Reaching Low/Med668.70.8972
Predominant Reaching Medium592.41.0128
Predominant Reaching Med/High544.41.1020
Predominant Reaching High513.21.1691
SA/DSPL Upwind28.82SA/DSPL Downwind28.82
Scoring OptionTODTOT
5-Band Windward/Leeward Low1216.90.4930
5-Band Windward/Leeward Low/Med891.80.6728
5-Band Windward/Leeward Medium759.80.7897
5-Band Windward/Leeward Med/High689.80.8698
5-Band Windward/Leeward High661.90.9064
Windward/Leeward 60-40 Low1195.60.5019
Windward/Leeward 60-40 Low/Med889.10.6749
Windward/Leeward 60-40 Medium771.50.7777
Windward/Leeward 60-40 Med/High712.50.8421
Windward/Leeward 60-40 High692.40.8666
5-Band AP Low898.90.6674
5-Band AP Low/Med708.70.8466
5-Band AP Medium625.30.9596
5-Band AP Med/High576.11.0415
5-Band AP High548.21.0944
5-Band SF Bay Tour - Low1039.20.5774
5-Band SF Bay Tour - Low/Med850.30.7056
5-Band SF Bay Tour - Medium737.00.8142
5-Band SF Bay Tour - Med/High677.30.8858
5-Band SF Bay Tour - High650.70.9221
Chicago-Mac Upwind0.8343
Chicago-Mac All Purpose0.8416
Chicago-Mac Downwind0.8390
Bayview-Mac Cove Island0.6184
Bayview-Mac Shore0.6260
Harvest Moon Regatta550.71.0895
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance693.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating693.00.8658
FinRating, kevyt tuuli1198.20.8346
FinRating, kova tuuli550.30.9086
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8658
Triple Number Coastal/Long Distance Low0.7463
Triple Number Coastal/Long Distance Medium0.9473
Triple Number Coastal/Long Distance High1.0560
Triple Number Windward/Leeward Low0.5770
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High0.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
For information
General Purpose Handicap (GPH)711.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low804.0
Triple Number Coastal/Long Distance Medium633.4
Triple Number Coastal/Long Distance High568.2
Triple Number Windward/Leeward Low1039.9
Triple Number Windward/Leeward Medium772.4
Triple Number Windward/Leeward High681.0
Predominantly Upwind677.1
Predominantly Downwind657.2
Predominantly Reaching622.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7463
Triple Number Coastal/Long Distance Medium0.9473
Triple Number Coastal/Long Distance High1.0560
Triple Number Windward/Leeward Low0.5770
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High0.8810
Coastal/Long Distance0.8658
Predominantly Upwind0.8861
Predominantly Downwind0.9130
For information
General Purpose Handicap (GPH)711.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9426
Distanseseilas Trippeltall svak vind0.7463
Distanseseilas Trippeltall mellomvind0.9473
Distanseseilas Trippeltall sterk vind1.0560
Pølsebane Trippeltall svak vind0.5770
Pølsebane Trippeltall mellomvind0.7768
Pølsebane Trippeltall sterk vind0.8810
Motvind Singeltall0.8861
Medvind Singeltall0.9130
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Coastal/Long Distance693.00.8658
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind677.10.8861
Predominantly Downwind657.20.9130
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore653.10.9187
Cape Doctor Coastal535.21.1210
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7463
Triple Number Coastal/Long Distance Medium0.9473
Triple Number Coastal/Long Distance High1.0560
Triple Number Windward/Leeward Low0.5770
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High0.8810
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7463
Triple Number Coastal/Long Distance Medium0.9473
Triple Number Coastal/Long Distance High1.0560
Triple Number Windward/Leeward Low0.5770
Triple Number Windward/Leeward Medium0.7768
Triple Number Windward/Leeward High0.8810
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Predominantly Upwind677.10.8861
Predominantly Downwind657.20.9130
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance693.00.8658
Triple Number Coastal/Long Distance Low804.00.7463
Triple Number Coastal/Long Distance Medium633.40.9473
Triple Number Coastal/Long Distance High568.21.0560
Triple Number Windward/Leeward Low1039.90.5770
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1769.11164.1874.5735.4658.7615.7580.3515.8493.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low804.00.7463
Triple Number AP Medium633.40.9472
Triple Number AP High568.21.0560
Triple Number Windward/Leeward Low1087.70.5516
Triple Number Windward/Leeward Medium772.40.7768
Triple Number Windward/Leeward High681.00.8810
Single Number Predominant Upwind701.60.8551
Single Number Predominant Reaching630.40.9518
Single Number Predominant Downwind687.60.8726
Predominant Upwind - Low922.10.6507
Predominant Upwind - Low/Med725.70.8268
Predominant Upwind - Medium660.10.9090
Predominant Upwind - Med/High627.90.9556
Predominant Upwind - High615.00.9756
Predominant Downwind Low1027.00.5842
Predominant Downwind Low/Med751.40.7985
Predominant Downwind Medium633.10.9477
Predominant Downwind Med/High559.61.0722
Predominant Downwind High513.11.1694
Predominant Reaching Low863.20.6951
Predominant Reaching Low/Med668.70.8972
Predominant Reaching Medium592.41.0128
Predominant Reaching Med/High544.41.1020
Predominant Reaching High513.21.1691
SA/DSPL Upwind28.82SA/DSPL Downwind28.82
Scoring OptionTODTOT
5-Band Windward/Leeward Low1216.90.4930
5-Band Windward/Leeward Low/Med891.80.6728
5-Band Windward/Leeward Medium759.80.7897
5-Band Windward/Leeward Med/High689.80.8698
5-Band Windward/Leeward High661.90.9064
Windward/Leeward 60-40 Low1195.60.5019
Windward/Leeward 60-40 Low/Med889.10.6749
Windward/Leeward 60-40 Medium771.50.7777
Windward/Leeward 60-40 Med/High712.50.8421
Windward/Leeward 60-40 High692.40.8666
5-Band AP Low898.90.6674
5-Band AP Low/Med708.70.8466
5-Band AP Medium625.30.9596
5-Band AP Med/High576.11.0415
5-Band AP High548.21.0944
5-Band SF Bay Tour - Low1039.20.5774
5-Band SF Bay Tour - Low/Med850.30.7056
5-Band SF Bay Tour - Medium737.00.8142
5-Band SF Bay Tour - Med/High677.30.8858
5-Band SF Bay Tour - High650.70.9221
Chicago-Mac Upwind0.8343
Chicago-Mac All Purpose0.8416
Chicago-Mac Downwind0.8390
Bayview-Mac Cove Island0.6184
Bayview-Mac Shore0.6260
Harvest Moon Regatta550.71.0895
Non Spin/HSFClub Certificate2025
BrutusNED 8517
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPlatu 25 ModMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.580Draft1.596Displacement1,255Wetted area10.52IMS L7.019LSM06.594Acc. length7.530Sink (kg/mm) 7.66
VCGD0.042VCGM0.039RM Rated (kg·m) 16.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight380Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P9.405IG9.171ISP9.681MDT10.079MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.650J2.620BAS1.181FSD0.000SFJ0.000SPL0.000WPLTPS3.080BD0.000MWT36.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.042Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
BrutusNED 8517
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2020060913010.150.781.382.373.1220.6409/06/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2020060913010.070.000.000.000.002.739.25NoNo 12.9209/06/2020
CRUISER/RACER REQUIREMENTS*
Accommodation length7.5 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity15 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.