Club
Certificate
Non Spinnaker
2023

Boat

Utla

NOR 10497

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 Angles44.1°41.8°40.5°39.0°38.4°38.2°38.9°
Beat VMG3.283.994.514.865.025.095.11
52°5.035.976.566.917.097.177.24
60°5.316.226.767.087.277.387.47
75°5.496.406.917.237.467.657.86
90°5.376.336.917.257.517.768.16
110°4.765.846.637.127.467.778.36
120°4.505.596.436.987.347.668.29
135°3.955.035.926.607.067.398.01
150°3.364.395.296.056.667.097.70
Run VMG2.913.814.635.376.046.617.34
Gybe Angles148.4°152.3°159.2°166.4°173.0°177.2°179.0°

APH: 602.1

CDL: 8.761

GPH: 682.1

CertNo: 7826

BOAT
ClassDufour 34 StandardDesignerUmberto FelciBuilderDufourAge dateSeries date01/2003Offset fileDUF34PERF.offData file7826
HULL
Length Overall10.340 mMaximum Beam3.482 mDraft1.927 mDisplacement5,231 kgDLR6.7353IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight610 kgMinimum weight458 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.8932.69Headsail Luffed30.2930.29Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.47Heavy Weather Jib22.85
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

Utla

NOR 10497

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 VMG1099.2902.1798.0740.6717.8707.7704.4
52°715.3603.3548.5521.0507.6501.9497.4
60°677.6578.5532.4508.7495.2488.0482.1
75°656.0562.8520.7498.2482.5470.6457.9
90°670.4568.7521.3496.7479.1464.0441.2
110°756.6616.0542.6505.8482.8463.5430.4
120°800.4644.2559.9515.8490.3470.1434.2
135°912.5715.4608.6545.1509.7486.9449.5
150°1072.8819.5680.8594.8540.4508.1467.7
Run VMG1238.7944.8778.0670.5595.7544.5490.3
Selected Courses
Windward / Leeward1169.0923.4788.0705.5656.7626.1597.3
All purpose890.2718.9628.2576.2546.2527.1504.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward743.90.8066
All purpose602.10.9966
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7408
Downwind "popa"0.7981
70% up, 30% down "Ilhabela"0.7571
30% up, 70% down "Ilhabela-inverso"0.7800
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Predominantly Upwind637.80.9407
Predominantly Downwind631.40.9503
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low804.50.7458
Triple Number All Purpose Medium597.91.0035
Triple Number All Purpose High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Predominantly Upwind637.80.9407
Predominantly Downwind631.40.9503
Predominantly Upwind Low865.50.6932
Predominantly Upwind Medium646.60.9280
Predominantly Upwind High595.81.0071
Predominantly Downwind Low920.30.6520
Predominantly Downwind Medium635.40.9442
Predominantly Downwind High511.41.1732
Chicago-Mac Upwind0.9219
Chicago-Mac All Purpose0.9244
Chicago-Mac Downwind0.9297
Bayview-Mac Cove Island0.8556
Bayview-Mac Shore0.8739
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching572.71.0476
Predominantly Reaching Low730.70.8211
Predominantly Reaching Medium571.51.0498
Predominantly Reaching High493.71.2154
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1150.00.5217
5-Band Low / Medium946.70.6338
5-Band Medium722.70.8303
5-Band Medium / High633.10.9477
5-Band High602.30.9962
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance658.3
Triple Number Coastal/Long Distance Low804.5
Triple Number Coastal/Long Distance Medium597.9
Triple Number Coastal/Long Distance High523.4
Triple Number Windward/Leeward Low1046.2
Triple Number Windward/Leeward Medium739.0
Triple Number Windward/Leeward High623.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7458
Triple Number Coastal/Long Distance Medium1.0035
Triple Number Coastal/Long Distance High1.1464
Triple Number Windward/Leeward Low0.5735
Triple Number Windward/Leeward Medium0.8119
Triple Number Windward/Leeward High0.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low804.5
Triple Number Coastal/Long Distance Medium597.9
Triple Number Coastal/Long Distance High523.4
Triple Number Windward/Leeward Low1046.2
Triple Number Windward/Leeward Medium739.0
Triple Number Windward/Leeward High623.0
Predominantly Upwind637.8
Predominantly Downwind631.4
Predominantly Reaching595.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7458
Triple Number Coastal/Long Distance Medium1.0035
Triple Number Coastal/Long Distance High1.1464
Triple Number Windward/Leeward Low0.5735
Triple Number Windward/Leeward Medium0.8119
Triple Number Windward/Leeward High0.9631
Coastal/Long Distance0.9114
Predominantly Upwind0.9407
Predominantly Downwind0.9503
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7458
Tretall Distanseseilas Mellomvind1.0035
Tretall Distanseseilas Mye vind1.1464
Tretall Pølsebane Lite vind0.5735
Tretall Pølsebane Mellomvind0.8119
Tretall Pølsebane Mye vind0.9631
Distanseseilas ett tall (OSN 8-16kn)0.9114
Distanseseilas ett tall (APH 6-20kn)0.9966
Enkeltall Motvind0.9407
Enkeltall Medvind0.9503
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Coastal/Long Distance658.30.9114
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind637.80.9407
Predominantly Downwind631.40.9503
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore605.90.9902
Cape Doctor Coastal511.21.1738
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7458
Triple Number Coastal/Long Distance Medium1.0035
Triple Number Coastal/Long Distance High1.1464
Triple Number Windward/Leeward Low0.5735
Triple Number Windward/Leeward Medium0.8119
Triple Number Windward/Leeward High0.9631
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7458
Triple Number Coastal/Long Distance Medium1.0035
Triple Number Coastal/Long Distance High1.1464
Triple Number Windward/Leeward Low0.5735
Triple Number Windward/Leeward Medium0.8119
Triple Number Windward/Leeward High0.9631
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Predominantly Upwind637.80.9407
Predominantly Downwind631.40.9503
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.30.9114
Triple Number Coastal/Long Distance Low804.50.7458
Triple Number Coastal/Long Distance Medium597.91.0035
Triple Number Coastal/Long Distance High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1175.9869.3709.7615.3567.3533.4483.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low804.50.7458
Triple Number All Purpose Medium597.91.0035
Triple Number All Purpose High523.41.1464
Triple Number Windward/Leeward Low1046.20.5735
Triple Number Windward/Leeward Medium739.00.8119
Triple Number Windward/Leeward High623.00.9631
Predominantly Upwind637.80.9407
Predominantly Downwind631.40.9503
Predominantly Upwind Low865.50.6932
Predominantly Upwind Medium646.60.9280
Predominantly Upwind High595.81.0071
Predominantly Downwind Low920.30.6520
Predominantly Downwind Medium635.40.9442
Predominantly Downwind High511.41.1732
Chicago-Mac Upwind0.9219
Chicago-Mac All Purpose0.9244
Chicago-Mac Downwind0.9297
Bayview-Mac Cove Island0.8556
Bayview-Mac Shore0.8739
Harvest Moon Regatta522.31.1487
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy613.60.9778
San Francisco Bay Medium733.60.8179
Predominantly Reaching572.71.0476
Predominantly Reaching Low730.70.8211
Predominantly Reaching Medium571.51.0498
Predominantly Reaching High493.71.2154
Windward/Leeward 60-40 Low1037.10.5785
Windward/Leeward 60-40 Medium748.80.8013
Windward/Leeward 60-40 High652.20.9199
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1150.00.5217
5-Band Low / Medium946.70.6338
5-Band Medium722.70.8303
5-Band Medium / High633.10.9477
5-Band High602.30.9962

Club
Certificate
Non Spinnaker
2023

Boat

Utla

NOR 10497

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 StandardMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.340Max. Beam3.482Draft1.927Displacement5,231Wetted area23.67IMS L9.392LSM09.191Acc. length10.340Sink (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
P11.830IG12.940ISP13.040MDT10.120MDL10.180MDT20.120MDL20.180TL0.720MW0.180GO0.200
E4.500J3.750BAS1.680FSDFoilSFJ0.000SPL3.880WPLTPS0.000BDMWT118.50MCG5.030
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.030Flotation Date01/01/2015MeasurerComment
SFFP0.390FFMFF1.324LCFcl5.792SG1.0130
SAFP9.636FAMFA1.033LCFsh6.039HBI1.140
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
Non Spinnaker
2023

Boat

Utla

NOR 10497

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment330-2017050310160.160.961.752.923.7831.8903/05/2017Aktiv
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment398-2023050513080.060.571.132.363.735.1712.27NoNo 30.2905/05/2023Elvstrøm Epex technora466-2014032615120.070.601.112.113.094.0312.14NoNo 25.3026/03/2014Genoa 3