International
Certificate
2023

Boat

DUFFY

ITA-16134

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.5°41.2°40.0°39.0°38.4°38.2°38.4°
Beat VMG3.374.084.584.864.985.055.08
52°5.156.066.636.937.067.147.19
60°5.426.306.827.107.267.347.41
75°5.606.476.967.267.477.627.78
90°5.486.416.967.307.547.768.11
110°5.346.447.097.487.818.098.44
120°5.176.297.007.437.788.138.75
135°4.655.776.627.167.547.918.65
150°3.925.015.956.697.177.538.22
Run VMG3.394.345.165.886.497.007.69
Gybe Angles145.1°149.6°152.3°157.7°169.4°177.2°179.0°

APH: 577.3

CDL: 8.825

GPH: 648.7

CertNo: 23/1

BOAT
ClassDufour 34DesignerFelci/RoseoBuilderDufour YachtsAge date04/2009Series date07/2003Offset fileDUF34PERF.offData fileI16134
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.953 mDisplacement5,739 kgDLR6.8263IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.415m
CREW
Maximum weight480 kgMinimum weight360 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.8533.59Headsail Luffed35.0435.04Headsail FlyingSymmetric75.6575.65Asymmetric
STORM SAIL AREAS (m²)
Trysail9.75Storm Jib8.71Heavy Weather Jib23.52
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment120.1 kg·mStability Index117.6
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  03190002DIQIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

DUFFY

ITA-16134

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1068.9882.2786.0740.7722.2712.8708.8
52°699.5594.2542.7519.4509.7504.5500.5
60°664.5571.4527.7506.8496.1490.7485.8
75°643.0556.6517.1495.9482.0472.4462.6
90°656.5561.4517.4493.5477.5463.7444.0
110°674.7558.7507.8481.2461.0445.0426.7
120°696.4572.0514.0484.6462.5443.1411.3
135°774.0624.3543.4502.9477.5455.4416.0
150°919.4718.0605.2538.1502.0478.2437.9
Run VMG1061.6829.1697.4612.0554.7514.6468.3
Selected Courses
Windward / Leeward1065.2855.7741.7676.3638.4613.7588.5
All purpose819.2672.3596.7555.9532.5516.6496.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward708.50.8468
All purpose577.31.0394
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7471
Downwind "popa"0.8865
70% up, 30% down "Ilhabela"0.7841
30% up, 70% down "Ilhabela-inverso"0.8395
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Predominantly Upwind622.20.9643
Predominantly Downwind589.21.0184
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low745.80.8045
Triple Number All Purpose Medium573.31.0465
Triple Number All Purpose High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Predominantly Upwind622.20.9643
Predominantly Downwind589.21.0184
Predominantly Upwind Low824.00.7281
Predominantly Upwind Medium639.70.9379
Predominantly Upwind High597.01.0050
Predominantly Downwind Low821.30.7306
Predominantly Downwind Medium585.11.0254
Predominantly Downwind High487.11.2319
Chicago-Mac Upwind0.9469
Chicago-Mac All Purpose0.9703
Chicago-Mac Downwind0.9999
Bayview-Mac Cove Island0.9022
Bayview-Mac Shore0.9123
Victoria-Maui1.0700
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance628.3
Triple Number Coastal/Long Distance Low745.8
Triple Number Coastal/Long Distance Medium573.3
Triple Number Coastal/Long Distance High513.0
Triple Number Windward/Leeward Low960.5
Triple Number Windward/Leeward Medium703.6
Triple Number Windward/Leeward High610.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8045
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1696
Triple Number Windward/Leeward Low0.6247
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low745.8
Triple Number Coastal/Long Distance Medium573.3
Triple Number Coastal/Long Distance High513.0
Triple Number Windward/Leeward Low960.5
Triple Number Windward/Leeward Medium703.6
Triple Number Windward/Leeward High610.4
Predominantly Upwind622.2
Predominantly Downwind589.2
Predominantly Reaching564.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8045
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1696
Triple Number Windward/Leeward Low0.6247
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9829
Coastal/Long Distance0.9549
Predominantly Upwind0.9643
Predominantly Downwind1.0184
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8045
Tretall Distanseseilas Mellomvind1.0465
Tretall Distanseseilas Mye vind1.1696
Tretall Pølsebane Lite vind0.6247
Tretall Pølsebane Mellomvind0.8528
Tretall Pølsebane Mye vind0.9829
Distanseseilas ett tall (OSN 8-16kn)0.9549
Distanseseilas ett tall (APH 6-20kn)1.0394
Enkeltall Motvind0.9643
Enkeltall Medvind1.0184
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Coastal/Long Distance628.30.9549
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind622.20.9643
Predominantly Downwind589.21.0184
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore596.11.0066
Cape Doctor Coastal502.51.1940
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8045
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1696
Triple Number Windward/Leeward Low0.6247
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9829
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8045
Triple Number Coastal/Long Distance Medium1.0465
Triple Number Coastal/Long Distance High1.1696
Triple Number Windward/Leeward Low0.6247
Triple Number Windward/Leeward Medium0.8528
Triple Number Windward/Leeward High0.9829
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Predominantly Upwind622.20.9643
Predominantly Downwind589.21.0184
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance628.30.9549
Triple Number Coastal/Long Distance Low745.80.8045
Triple Number Coastal/Long Distance Medium573.31.0465
Triple Number Coastal/Long Distance High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1064.9805.7670.4592.8552.6522.1474.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low745.80.8045
Triple Number All Purpose Medium573.31.0465
Triple Number All Purpose High513.01.1696
Triple Number Windward/Leeward Low960.50.6247
Triple Number Windward/Leeward Medium703.60.8528
Triple Number Windward/Leeward High610.40.9829
Predominantly Upwind622.20.9643
Predominantly Downwind589.21.0184
Predominantly Upwind Low824.00.7281
Predominantly Upwind Medium639.70.9379
Predominantly Upwind High597.01.0050
Predominantly Downwind Low821.30.7306
Predominantly Downwind Medium585.11.0254
Predominantly Downwind High487.11.2319
Chicago-Mac Upwind0.9469
Chicago-Mac All Purpose0.9703
Chicago-Mac Downwind0.9999
Bayview-Mac Cove Island0.9022
Bayview-Mac Shore0.9123
Harvest Moon Regatta502.71.1934
Victoria-Maui1.0700
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy600.30.9995
San Francisco Bay Medium697.40.8604
Predominantly Reaching1.0903
Predominantly Reaching Low0.8861
Predominantly Reaching Medium1.1003
Predominantly Reaching High1.2456
Windward/Leeward 60-40 Low963.50.6228
Windward/Leeward 60-40 Medium723.80.8289
Windward/Leeward 60-40 High645.60.9294
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1049.10.5719
5-Band Low / Medium876.30.6847
5-Band Medium690.60.8688
5-Band Medium / High618.90.9694
5-Band High592.91.0120
ORC Ref  03190002DIQIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

DUFFY

ITA-16134

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34Measurement22/02/2017HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.300Max. Beam3.482Draft1.953Displacement5,739Wetted area24.36IMS L9.521LSM09.437Acc. length10.300Sink (kg/mm) 18.70
VCGD0.068VCGM0.070RM Rated (kg·m) 120.1Limit of positive stability(°) 115.8Stability Index117.6
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.415PBW0.125PIPA0.0036
EDL2.100ST10.065ST20.180
ST30.180ST40.110ST50.275
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.130IG13.145ISP13.190MDT10.121MDL10.179MDT20.119MDL20.140TL0.770MW0.177GO0.192
E4.590J3.705BAS1.665FSD0.036SFJ0.140SPL3.886WPLTPSBD0.134MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date21/03/2014MeasurerFIV-164Comment
SFFP0.390FFM1.243FF1.242LCFcl5.700SG1.0260
SAFP9.636FAM1.044FA1.045LCFsh5.949HBI1.090
W183.7W283.7W383.7W483.7
PD1594.0PD2591.5PD3590.1PD4591.9
WD10.720PLM9000.00GSA1.0RSA1.0RM119.4
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGApvcWater15001.700.00BpvcWater15008.200.00CpvcFuel9058.200.00Total deductible48.200.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGAMiscellaneousboiler305.200.00BMiscellaneouswindlass200.670.00ABattery3x80 Ah08.000.00AEngineVolvo Penta 30 hpTotal deductible0
ORC Ref  03190002DIQIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

DUFFY

ITA-16134

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentC0.150.921.722.923.8332.8504/04/2011D0.150.931.692.913.7932.6421/03/2014
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentD0.090.721.372.724.055.4312.87NoNo 35.0427/01/2014C0.090.701.342.684.065.4712.62NoNo 34.2704/04/2011
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentD12.9812.9812.987.056.7775.6522/02/2017B12.7912.7912.797.166.4074.6919/05/2009A12.8012.8012.806.866.4072.1919/05/2009C12.8012.8012.806.596.6270.3619/05/2009
ORC Ref  03190002DIQIssued on 08/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org