Double HandedClub Certificate2025
New AttitudeNOR 10502
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 Angles43.8°43.8°41.8°40.8°40.4°40.2°40.2°40.8°42.3°
Beat VMG2.483.424.164.644.884.985.035.014.86
52°3.885.246.236.857.157.287.347.377.30
60°4.145.546.517.117.417.547.617.667.64
75°4.335.766.727.317.647.847.958.088.13
90°4.245.676.677.317.707.978.188.488.64
110°3.665.056.167.017.557.928.248.819.11
120°3.384.755.896.797.417.828.168.819.44
135°2.874.155.296.236.987.517.898.559.24
150°2.373.504.595.536.357.027.528.208.86
Run VMG2.053.033.984.825.596.306.937.788.41
Gybe Angles146.0°146.0°150.5°156.1°163.1°170.0°176.3°179.5°179.5°
APH ToD:579.3CDL: 9.449APH ToT: 1.0357CertNo:7830
BOAT
ClassDufour 40 LRDesignerUmbertoFelciBuilderDufour YachtsAge date01/2001Series date01/2001Offset fileDUFOUR40.offData file7830
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.073 mDisplacement7,863 kgDLR6.6672IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail42.9843.79Headsail Luffed39.9139.91Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail13.04Storm Jib11.06Heavy Weather Jib29.86
SAIL LIMITS
Headsails5
✱ One set on the forestay
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.
Double HandedClub Certificate2025
New AttitudeNOR 10502
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 VMG1454.61052.2865.3775.6737.7722.3716.3718.3740.6
52°928.2686.6578.0525.5503.4494.7490.5488.5493.3
60°870.2649.7552.7506.2486.0477.3473.2469.9471.4
75°830.8624.5535.3492.3471.3459.5452.6445.5442.8
90°849.1634.4539.6492.4467.6451.7440.0424.6416.7
110°982.3712.5584.7513.7476.6454.3436.8408.6395.0
120°1064.0758.1610.8529.9485.7460.2441.1408.8381.5
135°1253.0867.7680.1577.8515.4479.3456.4420.8389.7
150°1521.61027.4784.5650.6567.2512.6479.0438.8406.3
Run VMG1755.11186.3905.5746.4643.6571.2519.8462.5428.0
Selected Courses
Windward / Leeward1602.01119.3885.4761.0690.7646.8618.1590.4584.3
All purpose1190.5849.3686.7601.5555.3528.2511.1491.6483.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward724.60.8281
All purpose579.31.0357
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7516
Downwind "popa"0.8341
70% up, 30% down "Ilhabela"0.7746
30% up, 70% down "Ilhabela-inverso"0.8075
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Predominantly Upwind617.90.9710
Predominantly Downwind603.50.9942
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low768.00.7812
Triple Number AP Medium574.91.0436
Triple Number AP High508.01.1810
Triple Number Windward/Leeward Low1050.10.5714
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Single Number Predominant Upwind644.10.9315
Single Number Predominant Reaching576.51.0408
Single Number Predominant Downwind635.80.9437
Predominant Upwind - Low899.90.6667
Predominant Upwind - Low/Med679.80.8826
Predominant Upwind - Medium595.61.0074
Predominant Upwind - Med/High556.61.0780
Predominant Upwind - High545.11.1008
Predominant Downwind Low981.80.6111
Predominant Downwind Low/Med701.20.8557
Predominant Downwind Medium578.11.0380
Predominant Downwind Med/High503.41.1918
Predominant Downwind High468.11.2818
Predominant Reaching Low828.00.7247
Predominant Reaching Low/Med618.40.9702
Predominant Reaching Medium532.41.1270
Predominant Reaching Med/High484.91.2374
Predominant Reaching High463.11.2957
SA/DSPL Upwind20.82SA/DSPL Downwind20.82
Scoring OptionTODTOT
5-Band Windward/Leeward Low1182.20.5075
5-Band Windward/Leeward Low/Med847.20.7082
5-Band Windward/Leeward Medium705.20.8509
5-Band Windward/Leeward Med/High624.40.9609
5-Band Windward/Leeward High594.11.0099
Windward/Leeward 60-40 Low1167.00.5142
Windward/Leeward 60-40 Low/Med846.30.7090
Windward/Leeward 60-40 Medium714.20.8401
Windward/Leeward 60-40 Med/High643.40.9325
Windward/Leeward 60-40 High619.70.9682
5-Band AP Low863.60.6948
5-Band AP Low/Med661.20.9074
5-Band AP Medium565.71.0607
5-Band AP Med/High514.41.1665
5-Band AP High493.51.2157
5-Band SF Bay Tour - Low1006.80.5960
5-Band SF Bay Tour - Low/Med806.00.7444
5-Band SF Bay Tour - Medium678.50.8844
5-Band SF Bay Tour - Med/High609.80.9839
5-Band SF Bay Tour - High584.91.0258
Chicago-Mac Upwind0.9022
Chicago-Mac All Purpose0.9087
Chicago-Mac Downwind0.9038
Bayview-Mac Cove Island0.6459
Bayview-Mac Shore0.6539
Harvest Moon Regatta495.71.2104
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance634.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating634.90.9451
FinRating, kevyt tuuli1163.60.8594
FinRating, kova tuuli496.51.0070
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9451
Triple Number Coastal/Long Distance Low0.7812
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1810
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
For information
General Purpose Handicap (GPH)655.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low768.0
Triple Number Coastal/Long Distance Medium574.9
Triple Number Coastal/Long Distance High508.0
Triple Number Windward/Leeward Low1002.3
Triple Number Windward/Leeward Medium719.3
Triple Number Windward/Leeward High614.9
Predominantly Upwind617.9
Predominantly Downwind603.5
Predominantly Reaching567.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7812
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1810
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9758
Coastal/Long Distance0.9451
Predominantly Upwind0.9710
Predominantly Downwind0.9942
For information
General Purpose Handicap (GPH)655.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0357
Distanseseilas Trippeltall svak vind0.7812
Distanseseilas Trippeltall mellomvind1.0437
Distanseseilas Trippeltall sterk vind1.1810
Pølsebane Trippeltall svak vind0.5986
Pølsebane Trippeltall mellomvind0.8341
Pølsebane Trippeltall sterk vind0.9758
Motvind Singeltall0.9710
Medvind Singeltall0.9942
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Coastal/Long Distance634.90.9451
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind617.90.9710
Predominantly Downwind603.50.9942
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore586.11.0237
Cape Doctor Coastal485.91.2348
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7812
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1810
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9758
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7812
Triple Number Coastal/Long Distance Medium1.0437
Triple Number Coastal/Long Distance High1.1810
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9758
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Predominantly Upwind617.90.9710
Predominantly Downwind603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.90.9451
Triple Number Coastal/Long Distance Low768.00.7812
Triple Number Coastal/Long Distance Medium574.91.0437
Triple Number Coastal/Long Distance High508.01.1810
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1733.61126.0832.7682.3595.4549.4515.9466.5454.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low768.00.7812
Triple Number AP Medium574.91.0436
Triple Number AP High508.01.1810
Triple Number Windward/Leeward Low1050.10.5714
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High614.90.9758
Single Number Predominant Upwind644.10.9315
Single Number Predominant Reaching576.51.0408
Single Number Predominant Downwind635.80.9437
Predominant Upwind - Low899.90.6667
Predominant Upwind - Low/Med679.80.8826
Predominant Upwind - Medium595.61.0074
Predominant Upwind - Med/High556.61.0780
Predominant Upwind - High545.11.1008
Predominant Downwind Low981.80.6111
Predominant Downwind Low/Med701.20.8557
Predominant Downwind Medium578.11.0380
Predominant Downwind Med/High503.41.1918
Predominant Downwind High468.11.2818
Predominant Reaching Low828.00.7247
Predominant Reaching Low/Med618.40.9702
Predominant Reaching Medium532.41.1270
Predominant Reaching Med/High484.91.2374
Predominant Reaching High463.11.2957
SA/DSPL Upwind20.82SA/DSPL Downwind20.82
Scoring OptionTODTOT
5-Band Windward/Leeward Low1182.20.5075
5-Band Windward/Leeward Low/Med847.20.7082
5-Band Windward/Leeward Medium705.20.8509
5-Band Windward/Leeward Med/High624.40.9609
5-Band Windward/Leeward High594.11.0099
Windward/Leeward 60-40 Low1167.00.5142
Windward/Leeward 60-40 Low/Med846.30.7090
Windward/Leeward 60-40 Medium714.20.8401
Windward/Leeward 60-40 Med/High643.40.9325
Windward/Leeward 60-40 High619.70.9682
5-Band AP Low863.60.6948
5-Band AP Low/Med661.20.9074
5-Band AP Medium565.71.0607
5-Band AP Med/High514.41.1665
5-Band AP High493.51.2157
5-Band SF Bay Tour - Low1006.80.5960
5-Band SF Bay Tour - Low/Med806.00.7444
5-Band SF Bay Tour - Medium678.50.8844
5-Band SF Bay Tour - Med/High609.80.9839
5-Band SF Bay Tour - High584.91.0258
Chicago-Mac Upwind0.9022
Chicago-Mac All Purpose0.9087
Chicago-Mac Downwind0.9038
Bayview-Mac Cove Island0.6459
Bayview-Mac Shore0.6539
Harvest Moon Regatta495.71.2104
Double HandedClub Certificate2025
New AttitudeNOR 10502
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 40 LRMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.073Displacement7,863Wetted area30.61IMS L10.704LSM010.564Acc. length12.060Sink (kg/mm) 23.42
VCGD0.143VCGM0.141RM Rated (kg·m) 179.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared 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
P14.160IG14.800ISP14.680MDT10.140MDL10.230MDT20.120MDL20.220TL0.680MW0.230GO0.250
E5.260J4.190BAS1.750FSDFoilSFJ0.000SPL4.457WPLTPS5.030BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered179.0Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
New AttitudeNOR 10502
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment990-2016030609500.151.071.853.254.3042.9806/03/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment469-2017031510450.080.691.342.784.285.8714.00NoNo 39.9115/03/2017
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.