International
Certificate
2023

Boat

Oxygen

SWE 44

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.5°38.4°37.6°37.2°37.5°37.8°
Beat VMG3.984.825.315.515.625.685.71
52°6.037.057.567.767.867.937.99
60°6.337.277.757.978.088.168.25
75°6.527.417.898.208.408.548.70
90°6.397.357.938.248.578.849.19
110°6.257.448.078.528.919.299.89
120°6.077.317.998.509.009.4910.49
135°5.466.767.638.178.699.2310.60
150°4.605.826.877.638.158.639.73
Run VMG3.995.045.966.717.337.878.78
Gybe Angles142.2°146.9°151.4°156.8°165.8°175.4°177.2°

APH: 504.9

CDL: 10.783

GPH: 564.1

CertNo: 6152

BOAT
ClassX-41DesignerJEPPESENBuilderX-YACHTSAge date04/2008Series date12/2006Offset fileX41.OD+.offData file6152 SWE44 X41 Oxygen
HULL
Length Overall12.350 mMaximum Beam3.646 mDraft2.497 mDisplacement6,857 kgDLR5.4877IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.431m
CREW
Maximum weight850 kgMinimum weight638 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail53.0154.06Headsail Luffed45.4245.42Headsail FlyingSymmetric131.22131.22Asymmetric101.93111.92 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail15.58Storm Jib14.67Heavy Weather Jib39.61
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment196.3 kg·mStability Index127.1
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.
ORC Ref  03200002N15Issued on 28/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Oxygen

SWE 44

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG903.6746.8678.4653.0640.5633.3630.7
52°597.1510.5476.3464.1457.8454.1450.6
60°569.1494.9464.5451.8445.4441.1436.6
75°551.8485.6456.4439.2428.3421.8413.9
90°563.0489.7454.0436.7420.1407.3391.9
110°575.9484.1446.2422.3403.9387.5363.9
120°593.1492.7450.6423.6399.9379.3343.1
135°658.8532.3471.6440.4414.3389.9339.7
150°782.3618.3523.8471.6441.8417.2370.0
Run VMG903.3713.9604.3536.5491.4457.5410.2
Selected Courses
Windward / Leeward903.5730.4641.3594.8566.0545.4520.5
All purpose697.1577.1519.5490.0470.6455.9434.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward618.70.9698
All purpose504.91.1884
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8595
Downwind "popa"1.0201
70% up, 30% down "Ilhabela"0.9021
30% up, 70% down "Ilhabela-inverso"0.9660
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Predominantly Upwind544.31.1023
Predominantly Downwind513.11.1693
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low637.10.9418
Triple Number All Purpose Medium502.21.1947
Triple Number All Purpose High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Predominantly Upwind544.31.1023
Predominantly Downwind513.11.1693
Predominantly Upwind Low701.10.8558
Predominantly Upwind Medium561.21.0692
Predominantly Upwind High531.11.1296
Predominantly Downwind Low701.70.8550
Predominantly Downwind Medium510.91.1744
Predominantly Downwind High425.11.4115
Chicago-Mac Upwind1.0846
Chicago-Mac All Purpose1.1140
Chicago-Mac Downwind1.1497
Bayview-Mac Cove Island1.0435
Bayview-Mac Shore1.0539
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching481.11.2471
Predominantly Reaching Low580.11.0343
Predominantly Reaching Medium476.91.2582
Predominantly Reaching High421.51.4236
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low890.20.6740
5-Band Low / Medium749.40.8006
5-Band Medium604.80.9920
5-Band Medium / High548.81.0932
5-Band High524.81.1434
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance548.4
Triple Number Coastal/Long Distance Low637.1
Triple Number Coastal/Long Distance Medium502.2
Triple Number Coastal/Long Distance High451.4
Triple Number Windward/Leeward Low816.9
Triple Number Windward/Leeward Medium614.4
Triple Number Windward/Leeward High541.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9418
Triple Number Coastal/Long Distance Medium1.1947
Triple Number Coastal/Long Distance High1.3291
Triple Number Windward/Leeward Low0.7345
Triple Number Windward/Leeward Medium0.9766
Triple Number Windward/Leeward High1.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low637.1
Triple Number Coastal/Long Distance Medium502.2
Triple Number Coastal/Long Distance High451.4
Triple Number Windward/Leeward Low816.9
Triple Number Windward/Leeward Medium614.4
Triple Number Windward/Leeward High541.2
Predominantly Upwind544.3
Predominantly Downwind513.1
Predominantly Reaching492.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9418
Triple Number Coastal/Long Distance Medium1.1947
Triple Number Coastal/Long Distance High1.3291
Triple Number Windward/Leeward Low0.7345
Triple Number Windward/Leeward Medium0.9766
Triple Number Windward/Leeward High1.1087
Coastal/Long Distance1.0942
Predominantly Upwind1.1023
Predominantly Downwind1.1693
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9418
Tretall Distanseseilas Mellomvind1.1947
Tretall Distanseseilas Mye vind1.3291
Tretall Pølsebane Lite vind0.7345
Tretall Pølsebane Mellomvind0.9766
Tretall Pølsebane Mye vind1.1087
Distanseseilas ett tall (OSN 8-16kn)1.0942
Distanseseilas ett tall (APH 6-20kn)1.1884
Enkeltall Motvind1.1023
Enkeltall Medvind1.1693
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Coastal/Long Distance548.41.0942
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind544.31.1023
Predominantly Downwind513.11.1693
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore527.91.1365
Cape Doctor Coastal440.71.3613
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9418
Triple Number Coastal/Long Distance Medium1.1947
Triple Number Coastal/Long Distance High1.3291
Triple Number Windward/Leeward Low0.7345
Triple Number Windward/Leeward Medium0.9766
Triple Number Windward/Leeward High1.1087
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9418
Triple Number Coastal/Long Distance Medium1.1947
Triple Number Coastal/Long Distance High1.3291
Triple Number Windward/Leeward Low0.7345
Triple Number Windward/Leeward Medium0.9766
Triple Number Windward/Leeward High1.1087
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Predominantly Upwind544.31.1023
Predominantly Downwind513.11.1693
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance548.41.0942
Triple Number Coastal/Long Distance Low637.10.9418
Triple Number Coastal/Long Distance Medium502.21.1947
Triple Number Coastal/Long Distance High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance903.5689.1581.5522.1488.3460.2414.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low637.10.9418
Triple Number All Purpose Medium502.21.1947
Triple Number All Purpose High451.41.3291
Triple Number Windward/Leeward Low816.90.7345
Triple Number Windward/Leeward Medium614.40.9766
Triple Number Windward/Leeward High541.21.1087
Predominantly Upwind544.31.1023
Predominantly Downwind513.11.1693
Predominantly Upwind Low701.10.8558
Predominantly Upwind Medium561.21.0692
Predominantly Upwind High531.11.1296
Predominantly Downwind Low701.70.8550
Predominantly Downwind Medium510.91.1744
Predominantly Downwind High425.11.4115
Chicago-Mac Upwind1.0846
Chicago-Mac All Purpose1.1140
Chicago-Mac Downwind1.1497
Bayview-Mac Cove Island1.0435
Bayview-Mac Shore1.0539
Harvest Moon Regatta438.91.3672
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy529.21.1339
San Francisco Bay Medium606.10.9899
Predominantly Reaching481.11.2471
Predominantly Reaching Low580.11.0343
Predominantly Reaching Medium476.91.2582
Predominantly Reaching High421.51.4236
Windward/Leeward 60-40 Low818.60.7330
Windward/Leeward 60-40 Medium632.00.9493
Windward/Leeward 60-40 High572.81.0475
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low890.20.6740
5-Band Low / Medium749.40.8006
5-Band Medium604.80.9920
5-Band Medium / High548.81.0932
5-Band High524.81.1434
ORC Ref  03200002N15Issued on 28/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Oxygen

SWE 44

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-41Measurement08/05/2008HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.350Max. Beam3.646Draft2.497Displacement6,857Wetted area30.79IMS L11.108LSM010.770Acc. length11.850Sink (kg/mm) 23.07
VCGD-0.075VCGM-0.093RM Rated (kg·m) 196.3Limit of positive stability(°) 123.7Stability Index127.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.431PBW0.110PIPA0.0040
EDL1.884ST10.065ST20.180
ST30.180ST40.110ST50.315
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.181IG17.040ISP18.185MDT10.132MDL10.241MDT20.122MDL20.190TL0.960MW0.241GO0.266
E5.500J4.910BAS1.849FSD0.037SFJ0.290SPL5.212WPLTPS5.212BD0.270MWT197.00MCG5.600
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/06/2021MeasurerJT1330Comment
SFFP0.200FFM1.446FF1.455LCFcl6.940SG1.0035
SAFP11.995FAM1.084FA1.089LCFsh7.160HBI1.213
W194.6W294.6W394.6W494.6
PD1518.1PD2522.1PD3522.6PD4520.6
WD13.567PLM9000.00GSA1.0RSA1.0RM194.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel Alu Fuel SB0.90009076.002Water Plastic Water18005.803Waste S/S BlackWater4004.300.904Water S/S Boiler1609.20Total deductible66.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousHeater1011.100.601Battery2x115AH Service5.002Battery1x80AH Engine7.70EEngineVP D2-40Total deductible0
ORC Ref  03200002N15Issued on 28/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Oxygen

SWE 44

Swedish Sailing Federation
Svenska Seglarförbundet
af Pontins väg 6
115 21 Stockholm
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-10.181.212.143.544.5653.0111/05/2022MN-00.211.192.073.534.5652.7510/05/2012MN-30.211.192.053.514.5652.6111/02/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-L30.130.781.442.723.985.2216.86YesNo 45.42J2-M30.120.781.432.703.975.2416.84YesNo 45.27J3-H20.110.741.372.623.905.2316.81YesNo 44.34J-R5.0016.90YesNo 43.01J4-HWJ0.080.591.112.243.444.7016.49YesNo 37.93Staysail3.9814.30NoInner 28.9705/06/2008RS0.580.861.191.852.493.1111.38YesInner 20.6223/03/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS1.518.0018.0018.008.808.54131.2211/02/2020S217.9017.9017.908.838.49130.70S417.8817.8817.888.768.75130.4911/05/2012S117.9017.9017.908.108.79122.8811/05/2012S515.6915.6915.697.277.4795.58
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA517.4015.9216.667.078.4384%101.93
ORC Ref  03200002N15Issued on 28/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org