Club
Certificate
2024

Boat

A L'Assaut

USA 52621

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles44.1°42.1°40.5°39.2°38.5°38.3°38.8°39.7°
Beat VMG3.514.284.855.205.355.435.495.44
52°5.406.417.077.437.607.687.767.77
60°5.726.697.297.627.817.908.008.04
75°5.946.897.457.798.038.218.418.52
90°5.826.887.537.898.098.358.769.00
110°5.817.007.688.118.478.799.209.55
120°5.646.837.588.058.468.869.6310.18
135°5.076.287.197.768.188.609.4810.66
150°4.295.446.407.127.587.928.539.20
Run VMG3.714.715.546.176.577.067.888.51
Gybe Angles143.5°147.5°148.3°148.9°150.3°173.2°176.8°176.8°
APH ToD:539.7CDL: 10.064APH ToT: 1.1118CertNo:US7061
BOAT
ClassDufour 40 PerfDesignerFelciBuilderDufour YachtsAge date01/2003Series date01/2003Offset fileDUFOUR40.offData fileUS7061
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.061 mDisplacement7,666 kgDLR6.6470IMS DivisionCruiser/RacerDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFeathering 3 bladesDiameter0.400m
CREW
Maximum weight775 kg(declared)Minimum weight645 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail46.3247.59Headsail Luffed40.1640.16Headsail FlyingSymmetricAsymmetric108.92108.92 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.10Storm Jib11.89Heavy Weather Jib32.10
SAIL LIMITS
Headsails1  Spinnakers5
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.

Club
Certificate
2024

Boat

A L'Assaut

USA 52621

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1026.1841.4742.5692.4672.5662.5655.8662.2
52°666.6561.7509.2484.8473.8468.6463.9463.3
60°629.7537.8494.1472.6461.2455.6449.8448.0
75°606.3522.3483.4462.4448.5438.6428.2422.5
90°618.8523.3477.8456.5444.7431.0411.2399.9
110°620.1514.5469.0444.1424.8409.5391.4377.0
120°638.8526.8474.9447.2425.3406.2373.8353.5
135°710.4573.5500.7464.1439.8418.5379.8337.6
150°840.1662.0562.4505.3474.6454.7421.8391.4
Run VMG970.0764.4649.4583.5548.0509.6456.7423.2
Selected Courses
Windward / Leeward998.1802.9695.9637.9610.2586.0556.3542.7
All purpose767.0628.7557.0519.2499.1483.3462.6449.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward669.20.8966
All purpose539.71.1118
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7935
Downwind "popa"0.9372
70% up, 30% down "Ilhabela"0.8317
30% up, 70% down "Ilhabela-inverso"0.8889
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Predominantly Upwind582.41.0303
Predominantly Downwind551.01.0890
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low697.90.8598
Triple Number AP Medium536.01.1195
Triple Number AP High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Single Number Predominant Upwind581.41.0321
Single Number Predominant Reaching516.21.1624
Single Number Predominant Downwind551.51.0880
Predominant Upwind - Low771.70.7775
Predominant Upwind - Low/Med641.50.9354
Predominant Upwind - Medium562.51.0666
Predominant Upwind - Med/High524.81.1432
Predominant Upwind - High509.01.1789
Predominant Downwind Low765.50.7838
Predominant Downwind Low/Med622.30.9642
Predominant Downwind Medium531.41.1290
Predominant Downwind Med/High476.71.2587
Predominant Downwind High441.81.3581
Predominant Reaching Low685.40.8753
Predominant Reaching Low/Med570.51.0517
Predominant Reaching Medium500.31.1992
Predominant Reaching Med/High460.61.3027
Predominant Reaching High436.11.3760
SA/DSPL Upwind22.09SA/DSPL Downwind39.66
Scoring OptionTODTOT
5-Band Windward/Leeward Low953.80.6291
5-Band Windward/Leeward Low/Med769.60.7796
5-Band Windward/Leeward Medium652.40.9196
5-Band Windward/Leeward Med/High589.51.0178
5-Band Windward/Leeward High559.11.0732
Windward/Leeward 60-40 Low959.90.6251
Windward/Leeward 60-40 Low/Med778.00.7712
Windward/Leeward 60-40 Medium663.40.9044
Windward/Leeward 60-40 Med/High604.70.9922
Windward/Leeward 60-40 High578.91.0365
5-Band AP Low735.60.8156
5-Band AP Low/Med607.60.9874
5-Band AP Medium528.31.1357
5-Band AP Med/High485.61.2357
5-Band AP High463.91.2933
5-Band SF Bay Tour - Low906.40.6619
5-Band SF Bay Tour - Low/Med735.20.8161
5-Band SF Bay Tour - Medium627.40.9563
5-Band SF Bay Tour - Med/High571.41.0501
5-Band SF Bay Tour - High545.11.1007
Chicago-Mac Upwind1.0112
Chicago-Mac All Purpose1.0380
Chicago-Mac Downwind1.0706
Bayview-Mac Cove Island0.9637
Bayview-Mac Shore0.9738
Harvest Moon Regatta469.61.2776
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance588.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8598
Triple Number Coastal/Long Distance Medium1.1196
Triple Number Coastal/Long Distance High1.2512
Triple Number Windward/Leeward Low0.6663
Triple Number Windward/Leeward Medium0.9035
Triple Number Windward/Leeward High1.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low697.8
Triple Number Coastal/Long Distance Medium535.9
Triple Number Coastal/Long Distance High479.5
Triple Number Windward/Leeward Low900.5
Triple Number Windward/Leeward Medium664.1
Triple Number Windward/Leeward High580.9
Predominantly Upwind582.4
Predominantly Downwind551.0
Predominantly Reaching525.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8598
Triple Number Coastal/Long Distance Medium1.1196
Triple Number Coastal/Long Distance High1.2512
Triple Number Windward/Leeward Low0.6663
Triple Number Windward/Leeward Medium0.9035
Triple Number Windward/Leeward High1.0328
Coastal/Long Distance1.0201
Predominantly Upwind1.0303
Predominantly Downwind1.0890
For information
General Purpose Handicap (GPH)606.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8598
Tretall Distanseseilas Mellomvind1.1196
Tretall Distanseseilas Mye vind1.2512
Tretall Pølsebane Lite vind0.6663
Tretall Pølsebane Mellomvind0.9035
Tretall Pølsebane Mye vind1.0328
Distanseseilas ett tall1.1118
Enkeltall Motvind1.0303
Enkeltall Medvind1.0890
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Coastal/Long Distance588.21.0201
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind582.41.0303
Predominantly Downwind551.01.0890
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore546.81.0974
Cape Doctor Coastal453.41.3234
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8598
Triple Number Coastal/Long Distance Medium1.1196
Triple Number Coastal/Long Distance High1.2512
Triple Number Windward/Leeward Low0.6663
Triple Number Windward/Leeward Medium0.9035
Triple Number Windward/Leeward High1.0328
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8598
Triple Number Coastal/Long Distance Medium1.1196
Triple Number Coastal/Long Distance High1.2512
Triple Number Windward/Leeward Low0.6663
Triple Number Windward/Leeward Medium0.9035
Triple Number Windward/Leeward High1.0328
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Predominantly Upwind582.41.0303
Predominantly Downwind551.01.0890
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance588.21.0201
Triple Number Coastal/Long Distance Low697.80.8598
Triple Number Coastal/Long Distance Medium535.91.1196
Triple Number Coastal/Long Distance High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance995.3754.8627.4554.6518.5488.7441.6428.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low697.90.8598
Triple Number AP Medium536.01.1195
Triple Number AP High479.51.2512
Triple Number Windward/Leeward Low900.50.6663
Triple Number Windward/Leeward Medium664.10.9035
Triple Number Windward/Leeward High580.91.0328
Single Number Predominant Upwind581.41.0321
Single Number Predominant Reaching516.21.1624
Single Number Predominant Downwind551.51.0880
Predominant Upwind - Low771.70.7775
Predominant Upwind - Low/Med641.50.9354
Predominant Upwind - Medium562.51.0666
Predominant Upwind - Med/High524.81.1432
Predominant Upwind - High509.01.1789
Predominant Downwind Low765.50.7838
Predominant Downwind Low/Med622.30.9642
Predominant Downwind Medium531.41.1290
Predominant Downwind Med/High476.71.2587
Predominant Downwind High441.81.3581
Predominant Reaching Low685.40.8753
Predominant Reaching Low/Med570.51.0517
Predominant Reaching Medium500.31.1992
Predominant Reaching Med/High460.61.3027
Predominant Reaching High436.11.3760
SA/DSPL Upwind22.09SA/DSPL Downwind39.66
Scoring OptionTODTOT
5-Band Windward/Leeward Low953.80.6291
5-Band Windward/Leeward Low/Med769.60.7796
5-Band Windward/Leeward Medium652.40.9196
5-Band Windward/Leeward Med/High589.51.0178
5-Band Windward/Leeward High559.11.0732
Windward/Leeward 60-40 Low959.90.6251
Windward/Leeward 60-40 Low/Med778.00.7712
Windward/Leeward 60-40 Medium663.40.9044
Windward/Leeward 60-40 Med/High604.70.9922
Windward/Leeward 60-40 High578.91.0365
5-Band AP Low735.60.8156
5-Band AP Low/Med607.60.9874
5-Band AP Medium528.31.1357
5-Band AP Med/High485.61.2357
5-Band AP High463.91.2933
5-Band SF Bay Tour - Low906.40.6619
5-Band SF Bay Tour - Low/Med735.20.8161
5-Band SF Bay Tour - Medium627.40.9563
5-Band SF Bay Tour - Med/High571.41.0501
5-Band SF Bay Tour - High545.11.1007
Chicago-Mac Upwind1.0112
Chicago-Mac All Purpose1.0380
Chicago-Mac Downwind1.0706
Bayview-Mac Cove Island0.9637
Bayview-Mac Shore0.9738
Harvest Moon Regatta469.61.2776

Club
Certificate
2024

Boat

A L'Assaut

USA 52621

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 40 PerfMeasurement03/09/2020HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.061Displacement7,666Wetted area30.14IMS L10.825LSM010.486Acc. length12.060Sink (kg/mm) 22.91
VCGD0.011VCGM0.017RM Rated (kg·m) 189.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight737Declared crew weight775
PROPELLER
Propeller TypeFeathering 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBW0.110PIPA0.0033
EDL2.815ST10.045ST20.170
ST30.170ST40.098ST50.320
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.250IG15.420ISP15.450MDT10.125MDL10.227MDT20.125MDL20.180TL0.685MW0.227GO0.227
E5.250J4.200BAS1.770FSD0.035SFJ0.170SPLWPLTPS5.060BD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date27/04/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

A L'Assaut

USA 52621

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentEPEX MAIN0.151.202.083.564.6246.3226/05/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentepex ap#10.130.781.472.804.175.6414.20NoNo 40.1626/05/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentq-123 asym16.3114.2215.278.508.8196%108.9201/06/2021north measrured
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 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.