Club
Certificate
Non Spinnaker
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 VMG3.284.004.534.875.025.105.13
52°5.045.986.576.917.097.177.23
60°5.326.236.777.087.277.377.46
75°5.496.406.927.237.467.657.85
90°5.376.336.917.257.517.768.15
110°4.775.856.647.127.467.778.37
120°4.515.606.446.987.357.668.30
135°3.955.045.926.617.077.408.01
150°3.364.405.296.066.677.097.70
Run VMG2.913.814.635.376.056.627.35
Gybe Angles147.8°152.3°159.2°166.4°173.0°177.2°179.0°

APH: 601.3

CDL: 8.784

GPH: 681.2

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 Allowance0.330%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib7.55Heavy Weather Jib20.36
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.

Club
Certificate
Non Spinnaker
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 VMG1096.5899.6795.1738.6716.5706.2702.3
52°714.0602.5547.7520.6507.7502.1497.6
60°676.6577.9532.0508.5495.3488.5482.6
75°655.3562.4520.5498.1482.5470.9458.7
90°669.8568.3521.2496.6479.1464.1441.7
110°754.9615.0542.0505.4482.5463.1430.0
120°798.8643.1559.2515.4490.0469.8433.9
135°911.0714.4607.9544.7509.4486.6449.2
150°1071.6818.6680.1594.3540.0507.8467.5
Run VMG1237.4943.7777.3669.9595.2544.1490.0
Selected Courses
Windward / Leeward1167.0921.6786.2704.2655.8625.2596.2
All purpose888.7717.7627.2575.5545.8526.7503.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward742.50.8081
All purpose601.30.9978
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7427
Downwind "popa"0.7988
70% up, 30% down "Ilhabela"0.7587
30% up, 70% down "Ilhabela-inverso"0.7811
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Predominantly Upwind636.90.9421
Predominantly Downwind630.70.9513
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low803.20.7470
Triple Number All Purpose Medium597.11.0048
Triple Number All Purpose High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Predominantly Upwind636.90.9421
Predominantly Downwind630.70.9513
Predominantly Upwind Low863.80.6946
Predominantly Upwind Medium645.40.9297
Predominantly Upwind High595.01.0083
Predominantly Downwind Low919.00.6529
Predominantly Downwind Medium634.80.9451
Predominantly Downwind High511.11.1739
Chicago-Mac Upwind0.9235
Chicago-Mac All Purpose0.9257
Chicago-Mac Downwind0.9307
Bayview-Mac Cove Island0.8569
Bayview-Mac Shore0.8752
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching572.21.0485
Predominantly Reaching Low729.70.8222
Predominantly Reaching Medium571.01.0508
Predominantly Reaching High493.61.2157
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1148.10.5226
5-Band Low / Medium944.90.6350
5-Band Medium721.30.8318
5-Band Medium / High632.10.9492
5-Band High601.20.9980
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance657.4
Triple Number Coastal/Long Distance Low803.2
Triple Number Coastal/Long Distance Medium597.1
Triple Number Coastal/Long Distance High522.9
Triple Number Windward/Leeward Low1044.4
Triple Number Windward/Leeward Medium737.6
Triple Number Windward/Leeward High622.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7470
Triple Number Coastal/Long Distance Medium1.0048
Triple Number Coastal/Long Distance High1.1474
Triple Number Windward/Leeward Low0.5745
Triple Number Windward/Leeward Medium0.8135
Triple Number Windward/Leeward High0.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low803.2
Triple Number Coastal/Long Distance Medium597.1
Triple Number Coastal/Long Distance High522.9
Triple Number Windward/Leeward Low1044.4
Triple Number Windward/Leeward Medium737.6
Triple Number Windward/Leeward High622.0
Predominantly Upwind636.9
Predominantly Downwind630.7
Predominantly Reaching594.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7470
Triple Number Coastal/Long Distance Medium1.0048
Triple Number Coastal/Long Distance High1.1474
Triple Number Windward/Leeward Low0.5745
Triple Number Windward/Leeward Medium0.8135
Triple Number Windward/Leeward High0.9647
Coastal/Long Distance0.9127
Predominantly Upwind0.9421
Predominantly Downwind0.9513
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7470
Tretall Distanseseilas Mellomvind1.0048
Tretall Distanseseilas Mye vind1.1474
Tretall Pølsebane Lite vind0.5745
Tretall Pølsebane Mellomvind0.8135
Tretall Pølsebane Mye vind0.9647
Distanseseilas ett tall (OSN 8-16kn)0.9127
Distanseseilas ett tall (APH 6-20kn)0.9978
Enkeltall Motvind0.9421
Enkeltall Medvind0.9513
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Coastal/Long Distance657.40.9127
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind636.90.9421
Predominantly Downwind630.70.9513
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore604.90.9920
Cape Doctor Coastal510.81.1747
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7470
Triple Number Coastal/Long Distance Medium1.0048
Triple Number Coastal/Long Distance High1.1474
Triple Number Windward/Leeward Low0.5745
Triple Number Windward/Leeward Medium0.8135
Triple Number Windward/Leeward High0.9647
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7470
Triple Number Coastal/Long Distance Medium1.0048
Triple Number Coastal/Long Distance High1.1474
Triple Number Windward/Leeward Low0.5745
Triple Number Windward/Leeward Medium0.8135
Triple Number Windward/Leeward High0.9647
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Predominantly Upwind636.90.9421
Predominantly Downwind630.70.9513
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.20.7470
Triple Number Coastal/Long Distance Medium597.11.0048
Triple Number Coastal/Long Distance High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.0867.7708.3614.4566.8533.1483.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low803.20.7470
Triple Number All Purpose Medium597.11.0048
Triple Number All Purpose High522.91.1474
Triple Number Windward/Leeward Low1044.40.5745
Triple Number Windward/Leeward Medium737.60.8135
Triple Number Windward/Leeward High622.00.9647
Predominantly Upwind636.90.9421
Predominantly Downwind630.70.9513
Predominantly Upwind Low863.80.6946
Predominantly Upwind Medium645.40.9297
Predominantly Upwind High595.01.0083
Predominantly Downwind Low919.00.6529
Predominantly Downwind Medium634.80.9451
Predominantly Downwind High511.11.1739
Chicago-Mac Upwind0.9235
Chicago-Mac All Purpose0.9257
Chicago-Mac Downwind0.9307
Bayview-Mac Cove Island0.8569
Bayview-Mac Shore0.8752
Harvest Moon Regatta522.01.1494
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy612.60.9794
San Francisco Bay Medium732.10.8195
Predominantly Reaching572.21.0485
Predominantly Reaching Low729.70.8222
Predominantly Reaching Medium571.01.0508
Predominantly Reaching High493.61.2157
Windward/Leeward 60-40 Low1035.10.5797
Windward/Leeward 60-40 Medium747.10.8031
Windward/Leeward 60-40 High651.00.9216
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1148.10.5226
5-Band Low / Medium944.90.6350
5-Band Medium721.30.8318
5-Band Medium / High632.10.9492
5-Band High601.20.9980

Club
Certificate
Non Spinnaker
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 L9.392LSM09.191Acc. 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

Club
Certificate
Non Spinnaker
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