Club
Certificate
2023

Boat

Istedenfor

NOR 10890

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 Angles43.6°41.8°40.2°38.8°38.2°38.1°38.7°
Beat VMG3.284.004.534.875.035.105.13
52°5.045.976.576.917.097.177.24
60°5.326.236.777.087.277.377.46
75°5.496.406.927.237.467.647.85
90°5.386.437.047.397.627.768.15
110°5.416.527.147.547.908.238.72
120°5.236.357.047.477.868.249.01
135°4.715.846.697.207.597.988.79
150°3.995.086.016.757.217.588.30
Run VMG3.454.405.215.946.537.037.73
Gybe Angles144.8°147.5°152.0°157.7°169.4°177.2°179.0°

APH: 575.5

CDL: 8.786

GPH: 647.9

CertNo: 18454

BOAT
ClassDufour 34DesignerUmberto Felici BuilderDufour YachtsAge date01/2004Series date01/2003Offset fileDUF34PERF.offData file18454
HULL
Length Overall10.280 mMaximum Beam3.482 mDraft1.927 mDisplacement5,231 kgDLR6.7353IMS DivisionCruiser/RacerDynamic Allowance0.270%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight610 kgMinimum weight458 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.2133.05Headsail Luffed30.2830.28Headsail FlyingSymmetric78.1878.18Asymmetric71.4071.40 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib7.55Heavy Weather Jib20.36
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
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  03440002N3WIssued on 30/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Istedenfor

NOR 10890

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 VMG1096.8899.8795.3738.6716.4706.0702.1
52°714.2602.6547.8520.7507.7502.0497.6
60°676.8578.0532.0508.5495.3488.4482.5
75°655.5562.5520.5498.1482.5470.9458.6
90°669.0559.9511.4486.9472.3464.1441.7
110°665.9552.5504.5477.4455.5437.6412.8
120°688.7566.9511.2481.7457.8436.7399.8
135°764.7616.3538.3499.7474.1451.4409.7
150°902.6708.2599.2533.5499.0475.2433.9
Run VMG1042.2817.8691.0606.3551.0512.1465.7
Selected Courses
Windward / Leeward1069.5858.8743.1672.4633.7609.1583.9
All purpose823.7673.8596.9553.3528.8512.7490.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward706.60.8492
All purpose575.51.0426
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7427
Downwind "popa"0.8963
70% up, 30% down "Ilhabela"0.7830
30% up, 70% down "Ilhabela-inverso"0.8439
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Predominantly Upwind622.30.9642
Predominantly Downwind585.61.0247
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low748.70.8014
Triple Number All Purpose Medium571.81.0494
Triple Number All Purpose High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Predominantly Upwind622.30.9642
Predominantly Downwind585.61.0247
Predominantly Upwind Low835.20.7184
Predominantly Upwind Medium640.90.9362
Predominantly Upwind High592.61.0124
Predominantly Downwind Low816.30.7350
Predominantly Downwind Medium580.21.0342
Predominantly Downwind High483.71.2404
Chicago-Mac Upwind0.9454
Chicago-Mac All Purpose0.9723
Chicago-Mac Downwind1.0058
Bayview-Mac Cove Island0.9006
Bayview-Mac Shore0.9096
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching547.71.0954
Predominantly Reaching Low678.40.8844
Predominantly Reaching Medium542.41.1062
Predominantly Reaching High478.51.2540
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1053.30.5696
5-Band Low / Medium878.90.6827
5-Band Medium688.00.8720
5-Band Medium / High614.30.9767
5-Band High588.31.0200
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance626.4
Triple Number Coastal/Long Distance Low748.7
Triple Number Coastal/Long Distance Medium571.8
Triple Number Coastal/Long Distance High508.5
Triple Number Windward/Leeward Low964.2
Triple Number Windward/Leeward Medium701.8
Triple Number Windward/Leeward High605.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0494
Triple Number Coastal/Long Distance High1.1799
Triple Number Windward/Leeward Low0.6223
Triple Number Windward/Leeward Medium0.8549
Triple Number Windward/Leeward High0.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low748.7
Triple Number Coastal/Long Distance Medium571.8
Triple Number Coastal/Long Distance High508.5
Triple Number Windward/Leeward Low964.2
Triple Number Windward/Leeward Medium701.8
Triple Number Windward/Leeward High605.8
Predominantly Upwind622.3
Predominantly Downwind585.6
Predominantly Reaching561.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0494
Triple Number Coastal/Long Distance High1.1799
Triple Number Windward/Leeward Low0.6223
Triple Number Windward/Leeward Medium0.8549
Triple Number Windward/Leeward High0.9904
Coastal/Long Distance0.9579
Predominantly Upwind0.9642
Predominantly Downwind1.0247
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8014
Tretall Distanseseilas Mellomvind1.0494
Tretall Distanseseilas Mye vind1.1799
Tretall Pølsebane Lite vind0.6223
Tretall Pølsebane Mellomvind0.8549
Tretall Pølsebane Mye vind0.9904
Distanseseilas ett tall (OSN 8-16kn)0.9579
Distanseseilas ett tall (APH 6-20kn)1.0426
Enkeltall Motvind0.9642
Enkeltall Medvind1.0247
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Coastal/Long Distance626.40.9579
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind622.30.9642
Predominantly Downwind585.61.0247
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore591.51.0144
Cape Doctor Coastal497.41.2062
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0494
Triple Number Coastal/Long Distance High1.1799
Triple Number Windward/Leeward Low0.6223
Triple Number Windward/Leeward Medium0.8549
Triple Number Windward/Leeward High0.9904
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8014
Triple Number Coastal/Long Distance Medium1.0494
Triple Number Coastal/Long Distance High1.1799
Triple Number Windward/Leeward Low0.6223
Triple Number Windward/Leeward Medium0.8549
Triple Number Windward/Leeward High0.9904
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Predominantly Upwind622.30.9642
Predominantly Downwind585.61.0247
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance626.40.9579
Triple Number Coastal/Long Distance Low748.70.8014
Triple Number Coastal/Long Distance Medium571.81.0494
Triple Number Coastal/Long Distance High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.8807.7670.9589.8548.7518.3469.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low748.70.8014
Triple Number All Purpose Medium571.81.0494
Triple Number All Purpose High508.51.1799
Triple Number Windward/Leeward Low964.20.6223
Triple Number Windward/Leeward Medium701.80.8549
Triple Number Windward/Leeward High605.80.9904
Predominantly Upwind622.30.9642
Predominantly Downwind585.61.0247
Predominantly Upwind Low835.20.7184
Predominantly Upwind Medium640.90.9362
Predominantly Upwind High592.61.0124
Predominantly Downwind Low816.30.7350
Predominantly Downwind Medium580.21.0342
Predominantly Downwind High483.71.2404
Chicago-Mac Upwind0.9454
Chicago-Mac All Purpose0.9723
Chicago-Mac Downwind1.0058
Bayview-Mac Cove Island0.9006
Bayview-Mac Shore0.9096
Harvest Moon Regatta499.81.2006
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy595.31.0079
San Francisco Bay Medium696.60.8614
Predominantly Reaching547.71.0954
Predominantly Reaching Low678.40.8844
Predominantly Reaching Medium542.41.1062
Predominantly Reaching High478.51.2540
Windward/Leeward 60-40 Low971.00.6179
Windward/Leeward 60-40 Medium723.50.8293
Windward/Leeward 60-40 High640.30.9371
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1053.30.5696
5-Band Low / Medium878.90.6827
5-Band Medium688.00.8720
5-Band Medium / High614.30.9767
5-Band High588.31.0200
ORC Ref  03440002N3WIssued on 30/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Istedenfor

NOR 10890

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.280Max. Beam3.482Draft1.927Displacement5,231Wetted area23.67IMS L9.396LSM09.191Acc. 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
PRD0.380PBWPIPA0.0032
EDL2.170ST10.048ST20.170
ST30.170ST40.098ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.830IG12.870ISP13.040MDT10.120MDL10.180MDT20.000MDL20.000TL0.720MW0.180GO0.000
E4.500J3.750BAS1.680FSDFoilSFJ0.000SPL3.820WPLTPS4.650BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.030Flotation Date01/01/2015MeasurerComment
SFFP0.390FFMFF1.324LCFcl5.792SG1.0130
SAFP9.636FAMFA1.033LCFsh6.039HBI1.140
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002N3WIssued on 30/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Istedenfor

NOR 10890

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment466-2013041510300.070.931.732.963.9032.2115/04/2013
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment625-2022060913240.050.561.122.293.564.8912.80NoNo 30.2809/06/2022466-2015050616080.100.601.132.083.013.9712.28NoNo 25.2306/05/2015
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment466-20130422145112.6312.6312.637.517.1078.1822/04/2013
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment466-20130415103514.3011.3012.806.736.55103%71.4015/04/2013
ORC Ref  03440002N3WIssued on 30/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org