Club
Certificate
Non Spinnaker
2023

Boat

Marathi

NOR 10542

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.2°42.0°40.6°39.4°38.7°38.2°39.3°
Beat VMG3.183.894.404.784.975.055.07
52°4.895.836.456.837.047.147.21
60°5.166.096.667.017.227.357.45
75°5.336.276.837.167.417.607.84
90°5.226.206.827.187.457.708.11
110°4.655.736.547.057.397.698.29
120°4.385.476.326.907.277.588.19
135°3.844.925.806.506.997.327.92
150°3.284.305.195.956.587.027.63
Run VMG2.843.744.565.305.976.557.30
Gybe Angles149.6°153.8°161.0°168.2°173.0°176.6°179.0°

APH: 611.2

CDL: 8.626

GPH: 694.0

CertNo: 7906

BOAT
ClassDufour 34 StandardDesignerUmberto FeliciBuilderDufourAge date01/2003Series date01/2002Offset fileDUF34PERF.offData file7906
HULL
Length Overall10.280 mMaximum Beam3.482 mDraft1.927 mDisplacement5,231 kgDLR6.7353IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight610 kgMinimum weight458 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.7032.45Headsail Luffed25.9325.93Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.27Heavy Weather Jib22.33
SAIL LIMITS
Headsails5  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.
ORC Ref  03440002KWVIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Marathi

NOR 10542

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1133.5926.5817.4753.1723.7712.8709.8
52°736.9617.8558.2526.8511.0503.9499.0
60°697.6591.1540.1513.8498.6489.9483.3
75°674.9573.8527.1502.7486.1473.6459.1
90°689.4580.9528.0501.2483.1467.8443.8
110°774.0628.2550.6510.9487.2467.9434.5
120°821.2658.1569.7522.0495.2475.0439.3
135°938.1732.3621.1553.7515.4491.6454.5
150°1097.7836.6693.3604.5547.3512.8471.9
Run VMG1267.6963.0789.9679.1602.6549.6493.2
Selected Courses
Windward / Leeward1200.5944.7803.7716.1663.2631.2601.5
All purpose914.6735.2639.7583.9551.3531.3507.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward755.90.7938
All purpose611.20.9817
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7270
Downwind "popa"0.7858
70% up, 30% down "Ilhabela"0.7437
30% up, 70% down "Ilhabela-inverso"0.7672
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Predominantly Upwind648.20.9256
Predominantly Downwind641.50.9353
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low825.00.7273
Triple Number All Purpose Medium607.00.9885
Triple Number All Purpose High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Predominantly Upwind648.20.9256
Predominantly Downwind641.50.9353
Predominantly Upwind Low889.20.6748
Predominantly Upwind Medium657.10.9132
Predominantly Upwind High599.91.0002
Predominantly Downwind Low942.40.6366
Predominantly Downwind Medium645.00.9303
Predominantly Downwind High516.01.1628
Chicago-Mac Upwind0.9062
Chicago-Mac All Purpose0.9090
Chicago-Mac Downwind0.9147
Bayview-Mac Cove Island0.8388
Bayview-Mac Shore0.8571
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching581.41.0320
Predominantly Reaching Low749.50.8005
Predominantly Reaching Medium580.61.0335
Predominantly Reaching High497.61.2057
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1180.80.5081
5-Band Low / Medium968.80.6193
5-Band Medium733.80.8176
5-Band Medium / High638.80.9393
5-Band High606.60.9890
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance668.7
Triple Number Coastal/Long Distance Low825.0
Triple Number Coastal/Long Distance Medium607.0
Triple Number Coastal/Long Distance High527.5
Triple Number Windward/Leeward Low1072.6
Triple Number Windward/Leeward Medium751.1
Triple Number Windward/Leeward High628.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7273
Triple Number Coastal/Long Distance Medium0.9885
Triple Number Coastal/Long Distance High1.1374
Triple Number Windward/Leeward Low0.5594
Triple Number Windward/Leeward Medium0.7988
Triple Number Windward/Leeward High0.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low825.0
Triple Number Coastal/Long Distance Medium607.0
Triple Number Coastal/Long Distance High527.5
Triple Number Windward/Leeward Low1072.6
Triple Number Windward/Leeward Medium751.1
Triple Number Windward/Leeward High628.1
Predominantly Upwind648.2
Predominantly Downwind641.5
Predominantly Reaching604.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7273
Triple Number Coastal/Long Distance Medium0.9885
Triple Number Coastal/Long Distance High1.1374
Triple Number Windward/Leeward Low0.5594
Triple Number Windward/Leeward Medium0.7988
Triple Number Windward/Leeward High0.9553
Coastal/Long Distance0.8973
Predominantly Upwind0.9256
Predominantly Downwind0.9353
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7273
Tretall Distanseseilas Mellomvind0.9885
Tretall Distanseseilas Mye vind1.1374
Tretall Pølsebane Lite vind0.5594
Tretall Pølsebane Mellomvind0.7988
Tretall Pølsebane Mye vind0.9553
Distanseseilas ett tall (OSN 8-16kn)0.8973
Distanseseilas ett tall (APH 6-20kn)0.9817
Enkeltall Motvind0.9256
Enkeltall Medvind0.9353
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Coastal/Long Distance668.70.8973
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind648.20.9256
Predominantly Downwind641.50.9353
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore610.40.9829
Cape Doctor Coastal514.91.1652
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7273
Triple Number Coastal/Long Distance Medium0.9885
Triple Number Coastal/Long Distance High1.1374
Triple Number Windward/Leeward Low0.5594
Triple Number Windward/Leeward Medium0.7988
Triple Number Windward/Leeward High0.9553
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7273
Triple Number Coastal/Long Distance Medium0.9885
Triple Number Coastal/Long Distance High1.1374
Triple Number Windward/Leeward Low0.5594
Triple Number Windward/Leeward Medium0.7988
Triple Number Windward/Leeward High0.9553
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Predominantly Upwind648.20.9256
Predominantly Downwind641.50.9353
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.70.8973
Triple Number Coastal/Long Distance Low825.00.7273
Triple Number Coastal/Long Distance Medium607.00.9885
Triple Number Coastal/Long Distance High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1207.2889.1723.2624.0572.6537.6486.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low825.00.7273
Triple Number All Purpose Medium607.00.9885
Triple Number All Purpose High527.51.1374
Triple Number Windward/Leeward Low1072.60.5594
Triple Number Windward/Leeward Medium751.10.7988
Triple Number Windward/Leeward High628.10.9553
Predominantly Upwind648.20.9256
Predominantly Downwind641.50.9353
Predominantly Upwind Low889.20.6748
Predominantly Upwind Medium657.10.9132
Predominantly Upwind High599.91.0002
Predominantly Downwind Low942.40.6366
Predominantly Downwind Medium645.00.9303
Predominantly Downwind High516.01.1628
Chicago-Mac Upwind0.9062
Chicago-Mac All Purpose0.9090
Chicago-Mac Downwind0.9147
Bayview-Mac Cove Island0.8388
Bayview-Mac Shore0.8571
Harvest Moon Regatta528.51.1353
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy619.10.9692
San Francisco Bay Medium746.60.8036
Predominantly Reaching581.41.0320
Predominantly Reaching Low749.50.8005
Predominantly Reaching Medium580.61.0335
Predominantly Reaching High497.61.2057
Windward/Leeward 60-40 Low1064.10.5639
Windward/Leeward 60-40 Medium761.60.7878
Windward/Leeward 60-40 High657.50.9126
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1180.80.5081
5-Band Low / Medium968.80.6193
5-Band Medium733.80.8176
5-Band Medium / High638.80.9393
5-Band High606.60.9890
ORC Ref  03440002KWVIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Marathi

NOR 10542

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 StandardMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.280Max. Beam3.482Draft1.927Displacement5,231Wetted area23.67IMS L9.390LSM09.191Acc. length10.300Sink (kg/mm) 18.35
VCGD0.030VCGM0.061RM Rated (kg·m) 118.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0031
EDL2.170ST10.048ST20.170
ST30.170ST40.098ST50.285
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.830IG12.790ISP12.940MDT10.120MDL10.180MDT20.120MDL20.180TL0.720MW0.180GO0.200
E4.500J3.740BAS1.680FSDFoilSFJ0.000SPL3.860WPLTPS0.000BDMWT118.50MCG5.030
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.030Flotation Date01/01/2015MeasurerComment
SFFP0.390FFMFF1.324LCFcl5.792SG1.0130
SAFP9.636FAMFA1.033LCFsh6.039HBI1.141
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002KWVIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Marathi

NOR 10542

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment990-2014021218500.160.921.692.913.7931.7012/02/2014
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment990-2021020110570.060.641.172.173.134.0412.22NoNo 25.9329/12/2020
ORC Ref  03440002KWVIssued on 08/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org