Non Spin/HSFClub Certificate2025
GrøyvenNOR 12288
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 Angles44.0°44.0°41.7°40.2°39.3°38.8°38.6°38.9°39.8°
Beat VMG2.593.584.354.895.175.295.355.375.29
52°4.095.506.497.127.427.547.607.667.65
60°4.375.816.777.337.627.757.827.907.92
75°4.586.046.967.497.818.028.148.308.38
90°4.455.926.917.487.848.128.358.678.86
110°3.855.266.357.187.698.058.388.999.44
120°3.514.906.066.957.547.938.288.959.65
135°2.974.275.436.377.117.617.978.659.37
150°2.443.604.705.656.477.137.608.288.94
Run VMG2.113.124.074.925.706.427.047.868.49
Gybe Angles144.8°144.8°150.1°155.9°163.1°170.5°176.8°179.5°179.5°
APH ToD:560.8CDL: 9.985APH ToT: 1.0699CertNo:9466
BOAT
ClassDUFOUR 40 HRDesignerUmbertoFelciBuilderDufour YachtsAge date01/2007Series date01/2001Offset fileDUFOUR40FK.offData file9466
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.092 mDisplacement7,630 kgDLR6.6132IMS DivisionCruiser/RacerDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight737 kg(default)Minimum weight607 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail46.5947.62Headsail Luffed43.0043.00Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail13.56Storm Jib11.74Heavy Weather Jib31.70
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
GrøyvenNOR 12288
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 VMG1387.71005.9827.0735.7696.4680.7673.4669.9680.6
52°880.3654.9554.6505.7485.4477.8473.8470.0470.5
60°823.4619.7532.1490.9472.3464.3460.3455.5454.7
75°786.0596.4517.2480.7461.1449.1442.0433.8429.6
90°809.8608.1521.3481.2459.3443.5431.1415.2406.3
110°934.0684.0566.9501.3468.4447.3429.6400.5381.5
120°1025.8734.0594.1517.8477.7454.0435.0402.2373.3
135°1210.4842.2663.0565.2506.6473.4451.7416.2384.3
150°1477.81000.9766.6637.3556.8504.9473.7434.8402.6
Run VMG1704.11155.7885.0731.5631.8561.1511.6457.8424.0
Selected Courses
Windward / Leeward1543.21080.8856.0733.6664.1620.9592.5563.8552.3
All purpose1141.8818.0664.0582.4538.1512.0495.1474.3462.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward697.20.8606
All purpose560.81.0699
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7941
Downwind "popa"0.8511
70% up, 30% down "Ilhabela"0.8104
30% up, 70% down "Ilhabela-inverso"0.8332
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Predominantly Upwind594.21.0098
Predominantly Downwind588.51.0195
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low741.00.8098
Triple Number AP Medium556.91.0774
Triple Number AP High491.51.2207
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Single Number Predominant Upwind618.40.9703
Single Number Predominant Reaching559.61.0722
Single Number Predominant Downwind619.10.9692
Predominant Upwind - Low862.80.6954
Predominant Upwind - Low/Med653.60.9180
Predominant Upwind - Medium572.71.0476
Predominant Upwind - Med/High534.31.1230
Predominant Upwind - High520.41.1529
Predominant Downwind Low950.00.6316
Predominant Downwind Low/Med681.90.8799
Predominant Downwind Medium564.11.0636
Predominant Downwind Med/High492.31.2187
Predominant Downwind High457.41.3119
Predominant Reaching Low797.10.7527
Predominant Reaching Low/Med599.41.0010
Predominant Reaching Medium518.51.1571
Predominant Reaching Med/High472.81.2690
Predominant Reaching High450.41.3322
SA/DSPL Upwind22.96SA/DSPL Downwind22.96
Scoring OptionTODTOT
5-Band Windward/Leeward Low1140.90.5259
5-Band Windward/Leeward Low/Med817.60.7338
5-Band Windward/Leeward Medium678.40.8844
5-Band Windward/Leeward Med/High598.51.0025
5-Band Windward/Leeward High566.81.0586
Windward/Leeward 60-40 Low1124.00.5338
Windward/Leeward 60-40 Low/Med814.50.7367
Windward/Leeward 60-40 Medium684.60.8764
Windward/Leeward 60-40 Med/High614.00.9772
Windward/Leeward 60-40 High587.91.0206
5-Band AP Low831.70.7214
5-Band AP Low/Med639.30.9385
5-Band AP Medium548.01.0950
5-Band AP Med/High498.01.2047
5-Band AP High475.91.2609
5-Band SF Bay Tour - Low971.30.6177
5-Band SF Bay Tour - Low/Med777.10.7721
5-Band SF Bay Tour - Medium652.30.9198
5-Band SF Bay Tour - Med/High584.51.0265
5-Band SF Bay Tour - High557.71.0759
Chicago-Mac Upwind0.9397
Chicago-Mac All Purpose0.9399
Chicago-Mac Downwind0.9287
Bayview-Mac Cove Island0.6706
Bayview-Mac Shore0.6791
Harvest Moon Regatta485.41.2362
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance614.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating605.30.9912
FinRating, kevyt tuuli1122.50.8909
FinRating, kova tuuli479.21.0433
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9766
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium1.0775
Triple Number Coastal/Long Distance High1.2207
Triple Number Windward/Leeward Low0.6196
Triple Number Windward/Leeward Medium0.8665
Triple Number Windward/Leeward High1.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
For information
General Purpose Handicap (GPH)633.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low740.9
Triple Number Coastal/Long Distance Medium556.8
Triple Number Coastal/Long Distance High491.5
Triple Number Windward/Leeward Low968.4
Triple Number Windward/Leeward Medium692.4
Triple Number Windward/Leeward High588.9
Predominantly Upwind594.2
Predominantly Downwind588.5
Predominantly Reaching552.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium1.0775
Triple Number Coastal/Long Distance High1.2207
Triple Number Windward/Leeward Low0.6196
Triple Number Windward/Leeward Medium0.8665
Triple Number Windward/Leeward High1.0189
Coastal/Long Distance0.9766
Predominantly Upwind1.0098
Predominantly Downwind1.0195
For information
General Purpose Handicap (GPH)633.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0699
Distanseseilas Trippeltall svak vind0.8098
Distanseseilas Trippeltall mellomvind1.0775
Distanseseilas Trippeltall sterk vind1.2207
Pølsebane Trippeltall svak vind0.6196
Pølsebane Trippeltall mellomvind0.8665
Pølsebane Trippeltall sterk vind1.0189
Motvind Singeltall1.0098
Medvind Singeltall1.0195
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Coastal/Long Distance614.30.9766
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind594.21.0098
Predominantly Downwind588.51.0195
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore555.71.0796
Cape Doctor Coastal466.01.2876
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium1.0775
Triple Number Coastal/Long Distance High1.2207
Triple Number Windward/Leeward Low0.6196
Triple Number Windward/Leeward Medium0.8665
Triple Number Windward/Leeward High1.0189
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium1.0775
Triple Number Coastal/Long Distance High1.2207
Triple Number Windward/Leeward Low0.6196
Triple Number Windward/Leeward Medium0.8665
Triple Number Windward/Leeward High1.0189
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Predominantly Upwind594.21.0098
Predominantly Downwind588.51.0195
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance614.30.9766
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium556.81.0775
Triple Number Coastal/Long Distance High491.51.2207
Triple Number Windward/Leeward Low968.40.6196
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1672.71088.3805.5659.3575.6532.2500.6453.7439.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low741.00.8098
Triple Number AP Medium556.91.0774
Triple Number AP High491.51.2207
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium692.40.8665
Triple Number Windward/Leeward High588.91.0189
Single Number Predominant Upwind618.40.9703
Single Number Predominant Reaching559.61.0722
Single Number Predominant Downwind619.10.9692
Predominant Upwind - Low862.80.6954
Predominant Upwind - Low/Med653.60.9180
Predominant Upwind - Medium572.71.0476
Predominant Upwind - Med/High534.31.1230
Predominant Upwind - High520.41.1529
Predominant Downwind Low950.00.6316
Predominant Downwind Low/Med681.90.8799
Predominant Downwind Medium564.11.0636
Predominant Downwind Med/High492.31.2187
Predominant Downwind High457.41.3119
Predominant Reaching Low797.10.7527
Predominant Reaching Low/Med599.41.0010
Predominant Reaching Medium518.51.1571
Predominant Reaching Med/High472.81.2690
Predominant Reaching High450.41.3322
SA/DSPL Upwind22.96SA/DSPL Downwind22.96
Scoring OptionTODTOT
5-Band Windward/Leeward Low1140.90.5259
5-Band Windward/Leeward Low/Med817.60.7338
5-Band Windward/Leeward Medium678.40.8844
5-Band Windward/Leeward Med/High598.51.0025
5-Band Windward/Leeward High566.81.0586
Windward/Leeward 60-40 Low1124.00.5338
Windward/Leeward 60-40 Low/Med814.50.7367
Windward/Leeward 60-40 Medium684.60.8764
Windward/Leeward 60-40 Med/High614.00.9772
Windward/Leeward 60-40 High587.91.0206
5-Band AP Low831.70.7214
5-Band AP Low/Med639.30.9385
5-Band AP Medium548.01.0950
5-Band AP Med/High498.01.2047
5-Band AP High475.91.2609
5-Band SF Bay Tour - Low971.30.6177
5-Band SF Bay Tour - Low/Med777.10.7721
5-Band SF Bay Tour - Medium652.30.9198
5-Band SF Bay Tour - Med/High584.51.0265
5-Band SF Bay Tour - High557.71.0759
Chicago-Mac Upwind0.9397
Chicago-Mac All Purpose0.9399
Chicago-Mac Downwind0.9287
Bayview-Mac Cove Island0.6706
Bayview-Mac Shore0.6791
Harvest Moon Regatta485.41.2362
Non Spin/HSFClub Certificate2025
GrøyvenNOR 12288
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40 HRMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.092Displacement7,630Wetted area30.47IMS L10.775LSM010.487Acc. length12.060Sink (kg/mm) 23.25
VCGD0.180VCGM0.187RM Rated (kg·m) 172.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight737Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0040
EDL2.700ST10.070ST20.180
ST30.180ST40.180ST50.300
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.750IG15.250ISP16.720MDT10.140MDL10.230MDT20.120MDL20.220TL0.000MW0.230GO0.250
E5.250J4.190BAS1.820FSDFoilSFJ0.000SPL4.590WPLTPS5.030BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.180Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
GrøyvenNOR 12288
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment625-2023021615260.151.081.993.474.4746.5916/02/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment625-2023021710460.070.721.422.864.335.8914.83NoNo 43.0017/02/2023
CRUISER/RACER REQUIREMENTS*
Accommodation length12.1 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity152 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity92 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.