One DesignInternational Certificate2025
X-41 ONE DESIGNMNA-1234
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 Angles42.6°42.6°40.4°38.5°37.4°37.4°37.1°37.1°38.4°
Beat VMG2.914.014.855.335.545.665.745.815.70
52°4.546.077.097.587.777.887.968.048.03
60°4.846.367.317.777.988.098.188.298.28
75°5.056.577.447.918.218.418.548.748.83
90°4.916.447.387.908.268.598.859.209.43
110°4.596.257.438.058.478.759.009.3610.01
120°4.436.087.307.988.488.969.379.9810.32
135°3.875.446.747.628.178.699.2410.6212.23
150°3.204.595.836.907.668.178.669.7911.45
Run VMG2.773.975.055.986.757.377.878.779.93
Gybe Angles142.1°142.1°147.7°152.1°157.6°165.1°170.0°169.6°151.4°
APH ToD:503.8CDL: 10.840APH ToT: 1.1909CertNo:X-41
BOAT
ClassX-41 ODDesignerNiels JeppesenBuilderX-YachtsAge date01/2008Series date01/2007Offset filex41.od.OFFData fileX41
HULL
Length Overall12.350 mMaximum Beam3.646 mDraft2.495 mDisplacement6,804 kgDLR5.4777IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.431m
CREW
Maximum weight850 kg(declared)Minimum weight720 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail53.5154.57Headsail Luffed46.6146.60Headsail FlyingSymmetric130.50130.50Asymmetric
STORM SAIL AREAS (m²)
Trysail15.65Storm Jib14.66Heavy Weather Jib39.57
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment196.3 kg·mStability Index127.1
COMMENTS
BASED ON CLASS RULES
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.
One DesignInternational Certificate2025
X-41 ONE DESIGNMNA-1234
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 VMG1236.8897.2742.2675.3649.8636.2627.6620.0631.2
52°793.2593.3508.0475.1463.2456.7452.4447.6448.3
60°743.8565.6492.7463.4451.2444.8440.0434.2434.7
75°712.3548.3483.7455.2438.4428.2421.5412.1407.9
90°733.6559.0487.6455.9435.6419.2406.9391.1381.9
110°784.2576.0484.2447.0425.1411.4400.2384.6359.6
120°812.4591.8492.9451.4424.6401.9384.4360.6348.7
135°930.5661.5534.3472.5440.7414.3389.7339.0294.4
150°1125.5784.8617.2522.0470.2440.4415.5367.6314.3
Run VMG1300.2906.2712.6601.7533.4488.2457.2410.3362.7
Selected Courses
Windward / Leeward1267.9901.7727.4638.5591.6562.2542.4515.2497.0
All purpose956.3695.2575.4518.5488.8469.7455.5433.9417.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward615.40.9749
All purpose503.81.1909
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8663
Downwind "popa"1.0220
70% up, 30% down "Ilhabela"0.9078
30% up, 70% down "Ilhabela-inverso"0.9697
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Predominantly Upwind542.21.1066
Predominantly Downwind512.01.1718
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low635.30.9444
Triple Number AP Medium501.21.1971
Triple Number AP High450.91.3305
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Single Number Predominant Upwind562.21.0672
Single Number Predominant Reaching500.41.1990
Single Number Predominant Downwind533.31.1251
Predominant Upwind - Low754.20.7955
Predominant Upwind - Low/Med586.51.0230
Predominant Upwind - Medium527.51.1375
Predominant Upwind - Med/High496.61.2082
Predominant Upwind - High481.01.2474
Predominant Downwind Low774.60.7746
Predominant Downwind Low/Med577.51.0390
Predominant Downwind Medium495.61.2106
Predominant Downwind Med/High441.51.3590
Predominant Downwind High404.91.4818
Predominant Reaching Low681.30.8807
Predominant Reaching Low/Med529.71.1328
Predominant Reaching Medium471.41.2728
Predominant Reaching Med/High433.21.3850
Predominant Reaching High407.71.4717
SA/DSPL Upwind27.71SA/DSPL Downwind50.92
Scoring OptionTODTOT
5-Band Windward/Leeward Low949.80.6317
5-Band Windward/Leeward Low/Med701.70.8551
5-Band Windward/Leeward Medium601.60.9973
5-Band Windward/Leeward Med/High545.31.1003
5-Band Windward/Leeward High516.71.1612
Windward/Leeward 60-40 Low948.50.6325
Windward/Leeward 60-40 Low/Med706.90.8488
Windward/Leeward 60-40 Medium612.80.9791
Windward/Leeward 60-40 Med/High562.21.0673
Windward/Leeward 60-40 High538.01.1152
5-Band AP Low702.40.8542
5-Band AP Low/Med560.21.0711
5-Band AP Medium495.01.2122
5-Band AP Med/High457.11.3127
5-Band AP High434.81.3799
5-Band SF Bay Tour - Low817.60.7338
5-Band SF Bay Tour - Low/Med670.60.8947
5-Band SF Bay Tour - Medium581.51.0319
5-Band SF Bay Tour - Med/High531.81.1282
5-Band SF Bay Tour - High505.01.1881
Chicago-Mac Upwind1.0382
Chicago-Mac All Purpose1.0646
Chicago-Mac Downwind1.0845
Bayview-Mac Cove Island0.7884
Bayview-Mac Shore0.7948
Harvest Moon Regatta439.41.3656
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance546.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0975
Triple Number Coastal/Long Distance Low0.9444
Triple Number Coastal/Long Distance Medium1.1972
Triple Number Coastal/Long Distance High1.3305
Triple Number Windward/Leeward Low0.7366
Triple Number Windward/Leeward Medium0.9817
Triple Number Windward/Leeward High1.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
For information
General Purpose Handicap (GPH)562.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low635.3
Triple Number Coastal/Long Distance Medium501.2
Triple Number Coastal/Long Distance High451.0
Triple Number Windward/Leeward Low814.6
Triple Number Windward/Leeward Medium611.2
Triple Number Windward/Leeward High537.2
Predominantly Upwind542.2
Predominantly Downwind512.0
Predominantly Reaching491.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9444
Triple Number Coastal/Long Distance Medium1.1972
Triple Number Coastal/Long Distance High1.3305
Triple Number Windward/Leeward Low0.7366
Triple Number Windward/Leeward Medium0.9817
Triple Number Windward/Leeward High1.1170
Coastal/Long Distance1.0975
Predominantly Upwind1.1066
Predominantly Downwind1.1718
For information
General Purpose Handicap (GPH)562.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9444
Tretall Distanseseilas Mellomvind1.1972
Tretall Distanseseilas Mye vind1.3305
Tretall Pølsebane Lite vind0.7366
Tretall Pølsebane Mellomvind0.9817
Tretall Pølsebane Mye vind1.1170
Distanseseilas ett tall1.1909
Enkeltall Motvind1.1066
Enkeltall Medvind1.1718
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Coastal/Long Distance546.71.0975
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind542.21.1066
Predominantly Downwind512.01.1718
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore502.41.1942
Cape Doctor Coastal422.51.4200
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9444
Triple Number Coastal/Long Distance Medium1.1972
Triple Number Coastal/Long Distance High1.3305
Triple Number Windward/Leeward Low0.7366
Triple Number Windward/Leeward Medium0.9817
Triple Number Windward/Leeward High1.1170
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9444
Triple Number Coastal/Long Distance Medium1.1972
Triple Number Coastal/Long Distance High1.3305
Triple Number Windward/Leeward Low0.7366
Triple Number Windward/Leeward Medium0.9817
Triple Number Windward/Leeward High1.1170
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Predominantly Upwind542.21.1066
Predominantly Downwind512.01.1718
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance546.71.0975
Triple Number Coastal/Long Distance Low635.30.9444
Triple Number Coastal/Long Distance Medium501.21.1972
Triple Number Coastal/Long Distance High451.01.3305
Triple Number Windward/Leeward Low814.60.7366
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.4902.2686.5579.7520.4486.7459.5416.7403.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low635.30.9444
Triple Number AP Medium501.21.1971
Triple Number AP High450.91.3305
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium611.20.9817
Triple Number Windward/Leeward High537.21.1170
Single Number Predominant Upwind562.21.0672
Single Number Predominant Reaching500.41.1990
Single Number Predominant Downwind533.31.1251
Predominant Upwind - Low754.20.7955
Predominant Upwind - Low/Med586.51.0230
Predominant Upwind - Medium527.51.1375
Predominant Upwind - Med/High496.61.2082
Predominant Upwind - High481.01.2474
Predominant Downwind Low774.60.7746
Predominant Downwind Low/Med577.51.0390
Predominant Downwind Medium495.61.2106
Predominant Downwind Med/High441.51.3590
Predominant Downwind High404.91.4818
Predominant Reaching Low681.30.8807
Predominant Reaching Low/Med529.71.1328
Predominant Reaching Medium471.41.2728
Predominant Reaching Med/High433.21.3850
Predominant Reaching High407.71.4717
SA/DSPL Upwind27.71SA/DSPL Downwind50.92
Scoring OptionTODTOT
5-Band Windward/Leeward Low949.80.6317
5-Band Windward/Leeward Low/Med701.70.8551
5-Band Windward/Leeward Medium601.60.9973
5-Band Windward/Leeward Med/High545.31.1003
5-Band Windward/Leeward High516.71.1612
Windward/Leeward 60-40 Low948.50.6325
Windward/Leeward 60-40 Low/Med706.90.8488
Windward/Leeward 60-40 Medium612.80.9791
Windward/Leeward 60-40 Med/High562.21.0673
Windward/Leeward 60-40 High538.01.1152
5-Band AP Low702.40.8542
5-Band AP Low/Med560.21.0711
5-Band AP Medium495.01.2122
5-Band AP Med/High457.11.3127
5-Band AP High434.81.3799
5-Band SF Bay Tour - Low817.60.7338
5-Band SF Bay Tour - Low/Med670.60.8947
5-Band SF Bay Tour - Medium581.51.0319
5-Band SF Bay Tour - Med/High531.81.1282
5-Band SF Bay Tour - High505.01.1881
Chicago-Mac Upwind1.0382
Chicago-Mac All Purpose1.0646
Chicago-Mac Downwind1.0845
Bayview-Mac Cove Island0.7884
Bayview-Mac Shore0.7948
Harvest Moon Regatta439.41.3656
One DesignInternational Certificate2025
X-41 ONE DESIGNMNA-1234
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-41 ODMeasurement21/06/2007HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.350Max. Beam3.646Draft2.495Displacement6,804Wetted area30.64IMS L11.119LSM010.748Acc. length11.850Sink (kg/mm) 22.97
VCGD-0.088VCGM-0.105RM Rated (kg·m) 196.3Limit of positive stability(°) 123.9Stability Index127.1Default crew weight763Declared crew weight850
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.431PBWPIPA0.0034
EDL1.884ST10.066ST20.179
ST30.191ST40.096ST50.315
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P16.250IG17.035ISP18.200MDT10.136MDL10.254MDT20.123MDL20.203TL1.255MW0.254GO0.278
E5.500J4.915BAS1.860FSD0.036SFJ0.250SPL5.207WPLTPS0.000BD0.270MWT190.00MCG5.685
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date10/02/2021
SFFP0.200FFM1.450FF1.450LCFcl6.912SG1.0250
SAFP11.995FAM1.097FA1.097LCFsh7.132HBI1.214
W1112.4W2112.4W3112.4W4112.4
PD1598.3PD2598.4PD3597.5PD4598.8
WD13.190PLM9000.00GSA1.0RSA1.0RM195.2
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
AWATER PVC1805.341.0000BFUEL STEEL905.900.8400
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGAAVOLVO D2-40   
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAWATER PVCWater18005.34BFUEL STEELFuel9005.90Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGAEngineVOLVO D2-40Total deductible
One DesignInternational Certificate2025
X-41 ONE DESIGNMNA-1234
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.211.212.103.574.6253.51* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.130.751.452.754.025.2517.18NoNo 46.61
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment117.9517.9517.958.778.54130.50
CRUISER/RACER REQUIREMENTS*
Accommodation length11.8 mTable area0.55 m²Headroom1.80 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity145 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity86 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.