International
Certificate
Non Spinnaker
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°5.156.066.646.937.067.147.19
60°5.426.306.827.107.267.347.41
75°5.606.476.967.267.477.627.78
90°5.496.416.967.297.547.768.11
110°4.875.926.707.177.497.808.36
120°4.585.676.517.047.397.718.32
135°4.025.115.996.687.127.458.05
150°3.414.425.235.956.556.977.57
Run VMG2.953.834.605.366.036.607.33
Gybe Angles144.8°146.0°168.5°169.4°171.2°173.0°175.7°

APH: 599.6

CDL: 8.824

GPH: 677.0

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 Allowance0.320%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.75Storm Jib8.71Heavy Weather Jib23.52
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  03190002DMEIssued on 10/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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 VMG1068.5881.9785.8740.7722.3713.0709.0
52°699.3594.1542.6519.4509.7504.6500.6
60°664.3571.2527.7506.8496.1490.8485.8
75°642.8556.5517.0495.9482.0472.4462.6
90°656.2561.3517.3494.1477.4463.6444.0
110°739.7607.7537.2502.3480.4461.8430.6
120°785.2634.8553.3511.3486.8467.2432.8
135°894.6704.2600.6539.2505.3483.2447.1
150°1055.3814.5689.0604.9549.9516.2475.4
Run VMG1218.6940.5781.9671.6596.5545.6491.4
Selected Courses
Windward / Leeward1143.5911.2783.8706.1659.4629.3600.2
All purpose870.9708.7623.8575.7547.4528.9506.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward741.70.8089
All purpose599.61.0007
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7472
Downwind "popa"0.8006
70% up, 30% down "Ilhabela"0.7624
30% up, 70% down "Ilhabela-inverso"0.7838
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Predominantly Upwind633.80.9466
Predominantly Downwind627.40.9564
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low789.80.7597
Triple Number All Purpose Medium595.81.0071
Triple Number All Purpose High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Predominantly Upwind633.80.9466
Predominantly Downwind627.40.9564
Predominantly Upwind Low847.20.7082
Predominantly Upwind Medium642.80.9334
Predominantly Upwind High599.01.0018
Predominantly Downwind Low906.50.6619
Predominantly Downwind Medium633.20.9475
Predominantly Downwind High511.11.1739
Chicago-Mac Upwind0.9291
Chicago-Mac All Purpose0.9310
Chicago-Mac Downwind0.9354
Bayview-Mac Cove Island0.8658
Bayview-Mac Shore0.8840
Victoria-Maui0.9968
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance656.3
Triple Number Coastal/Long Distance Low789.8
Triple Number Coastal/Long Distance Medium595.8
Triple Number Coastal/Long Distance High525.3
Triple Number Windward/Leeward Low1027.4
Triple Number Windward/Leeward Medium737.5
Triple Number Windward/Leeward High625.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7597
Triple Number Coastal/Long Distance Medium1.0071
Triple Number Coastal/Long Distance High1.1423
Triple Number Windward/Leeward Low0.5840
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low789.8
Triple Number Coastal/Long Distance Medium595.8
Triple Number Coastal/Long Distance High525.3
Triple Number Windward/Leeward Low1027.4
Triple Number Windward/Leeward Medium737.5
Triple Number Windward/Leeward High625.9
Predominantly Upwind633.8
Predominantly Downwind627.4
Predominantly Reaching590.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7597
Triple Number Coastal/Long Distance Medium1.0071
Triple Number Coastal/Long Distance High1.1423
Triple Number Windward/Leeward Low0.5840
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9586
Coastal/Long Distance0.9142
Predominantly Upwind0.9466
Predominantly Downwind0.9564
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7597
Tretall Distanseseilas Mellomvind1.0071
Tretall Distanseseilas Mye vind1.1423
Tretall Pølsebane Lite vind0.5840
Tretall Pølsebane Mellomvind0.8136
Tretall Pølsebane Mye vind0.9586
Distanseseilas ett tall (OSN 8-16kn)0.9142
Distanseseilas ett tall (APH 6-20kn)1.0007
Enkeltall Motvind0.9466
Enkeltall Medvind0.9564
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Coastal/Long Distance656.30.9142
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind633.80.9466
Predominantly Downwind627.40.9564
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore608.90.9854
Cape Doctor Coastal513.51.1685
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7597
Triple Number Coastal/Long Distance Medium1.0071
Triple Number Coastal/Long Distance High1.1423
Triple Number Windward/Leeward Low0.5840
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9586
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7597
Triple Number Coastal/Long Distance Medium1.0071
Triple Number Coastal/Long Distance High1.1423
Triple Number Windward/Leeward Low0.5840
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9586
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Predominantly Upwind633.80.9466
Predominantly Downwind627.40.9564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.30.9142
Triple Number Coastal/Long Distance Low789.80.7597
Triple Number Coastal/Long Distance Medium595.81.0071
Triple Number Coastal/Long Distance High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.1858.0705.8615.8569.3535.7486.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low789.80.7597
Triple Number All Purpose Medium595.81.0071
Triple Number All Purpose High525.31.1423
Triple Number Windward/Leeward Low1027.40.5840
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High625.90.9586
Predominantly Upwind633.80.9466
Predominantly Downwind627.40.9564
Predominantly Upwind Low847.20.7082
Predominantly Upwind Medium642.80.9334
Predominantly Upwind High599.01.0018
Predominantly Downwind Low906.50.6619
Predominantly Downwind Medium633.20.9475
Predominantly Downwind High511.11.1739
Chicago-Mac Upwind0.9291
Chicago-Mac All Purpose0.9310
Chicago-Mac Downwind0.9354
Bayview-Mac Cove Island0.8658
Bayview-Mac Shore0.8840
Harvest Moon Regatta521.71.1500
Victoria-Maui0.9968
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy616.50.9732
San Francisco Bay Medium730.30.8216
Predominantly Reaching1.0553
Predominantly Reaching Low0.8359
Predominantly Reaching Medium1.0587
Predominantly Reaching High1.2163
Windward/Leeward 60-40 Low1016.90.5900
Windward/Leeward 60-40 Medium746.20.8041
Windward/Leeward 60-40 High655.80.9149
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1125.70.5330
5-Band Low / Medium933.50.6428
5-Band Medium722.00.8311
5-Band Medium / High636.00.9435
5-Band High605.20.9914
ORC Ref  03190002DMEIssued on 10/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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 L9.519LSM09.437Acc. length10.300Sink (kg/mm) 18.70
VCGD0.068VCGM0.070RM Rated (kg·m) 120.1Limit of positive stability(°) 115.7Stability 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
E4.590J3.705BAS1.665FSD0.036SFJ0.140SPLWPLTPSBD0.134MWTMCG
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  03190002DMEIssued on 10/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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
ORC Ref  03190002DMEIssued on 10/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org