Club
Certificate
Double Handed
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 Angles43.2°41.4°40.5°40.0°39.9°40.0°40.8°
Beat VMG3.304.004.454.684.764.794.75
52°5.045.956.526.806.916.966.98
60°5.306.196.737.017.147.207.24
75°5.496.376.897.207.407.537.66
90°5.436.457.007.247.507.728.04
110°5.556.627.207.577.888.088.41
120°5.426.517.157.587.978.328.84
135°4.906.066.877.367.778.189.07
150°4.085.196.146.897.347.728.52
Run VMG3.544.495.326.066.647.127.86
Gybe Angles144.2°147.4°149.6°157.7°168.2°177.2°177.2°

APH: 579.0

CDL: 8.391

GPH: 648.7

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 Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.8932.69Headsail Luffed30.2930.29Headsail FlyingSymmetric70.3270.32Asymmetric87.6687.66 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.47Heavy Weather Jib22.85
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.

Club
Certificate
Double Handed
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 VMG1089.6900.6808.3769.7755.9751.0758.0
52°714.9605.3552.4529.6521.1516.9515.7
60°679.0581.3534.8513.7504.4499.9497.1
75°655.5565.0522.1500.2486.6478.1470.1
90°662.6558.3514.4497.3479.9466.2447.6
110°648.2543.7499.8475.3456.9445.8428.2
120°664.1552.7503.2474.8451.9432.8407.3
135°734.0594.3524.3489.5463.2440.0397.0
150°881.5694.0586.0522.7490.7466.2422.5
Run VMG1017.9801.3676.6594.1542.4505.6458.0
Selected Courses
Windward / Leeward1053.7850.9742.5681.9649.1628.3608.0
All purpose811.2667.6595.7558.4537.2523.1505.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward713.90.8405
All purpose579.01.0362
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7200
Downwind "popa"0.9139
70% up, 30% down "Ilhabela"0.7690
30% up, 70% down "Ilhabela-inverso"0.8456
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Predominantly Upwind631.20.9506
Predominantly Downwind580.21.0342
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low739.40.8115
Triple Number All Purpose Medium574.71.0441
Triple Number All Purpose High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Predominantly Upwind631.20.9506
Predominantly Downwind580.21.0342
Predominantly Upwind Low829.20.7236
Predominantly Upwind Medium655.20.9158
Predominantly Upwind High620.60.9668
Predominantly Downwind Low800.00.7500
Predominantly Downwind Medium571.81.0493
Predominantly Downwind High478.91.2529
Chicago-Mac Upwind0.9335
Chicago-Mac All Purpose0.9708
Chicago-Mac Downwind1.0158
Bayview-Mac Cove Island0.9034
Bayview-Mac Shore0.9089
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching548.41.0941
Predominantly Reaching Low667.30.8992
Predominantly Reaching Medium541.01.1090
Predominantly Reaching High481.11.2472
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1038.10.5780
5-Band Low / Medium871.60.6884
5-Band Medium696.10.8619
5-Band Medium / High632.90.9480
5-Band High611.50.9812
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance630.0
Triple Number Coastal/Long Distance Low739.4
Triple Number Coastal/Long Distance Medium574.7
Triple Number Coastal/Long Distance High520.1
Triple Number Windward/Leeward Low952.4
Triple Number Windward/Leeward Medium708.0
Triple Number Windward/Leeward High625.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8115
Triple Number Coastal/Long Distance Medium1.0441
Triple Number Coastal/Long Distance High1.1537
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low739.4
Triple Number Coastal/Long Distance Medium574.7
Triple Number Coastal/Long Distance High520.1
Triple Number Windward/Leeward Low952.4
Triple Number Windward/Leeward Medium708.0
Triple Number Windward/Leeward High625.8
Predominantly Upwind631.2
Predominantly Downwind580.2
Predominantly Reaching559.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8115
Triple Number Coastal/Long Distance Medium1.0441
Triple Number Coastal/Long Distance High1.1537
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9587
Coastal/Long Distance0.9523
Predominantly Upwind0.9506
Predominantly Downwind1.0342
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8115
Tretall Distanseseilas Mellomvind1.0441
Tretall Distanseseilas Mye vind1.1537
Tretall Pølsebane Lite vind0.6300
Tretall Pølsebane Mellomvind0.8475
Tretall Pølsebane Mye vind0.9587
Distanseseilas ett tall (OSN 8-16kn)0.9523
Distanseseilas ett tall (APH 6-20kn)1.0362
Enkeltall Motvind0.9506
Enkeltall Medvind1.0342
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Coastal/Long Distance630.00.9523
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind631.20.9506
Predominantly Downwind580.21.0342
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore614.10.9771
Cape Doctor Coastal510.91.1745
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8115
Triple Number Coastal/Long Distance Medium1.0441
Triple Number Coastal/Long Distance High1.1537
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9587
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8115
Triple Number Coastal/Long Distance Medium1.0441
Triple Number Coastal/Long Distance High1.1537
Triple Number Windward/Leeward Low0.6300
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9587
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Predominantly Upwind631.20.9506
Predominantly Downwind580.21.0342
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance630.00.9523
Triple Number Coastal/Long Distance Low739.40.8115
Triple Number Coastal/Long Distance Medium574.71.0441
Triple Number Coastal/Long Distance High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1050.1800.1670.0596.4557.7527.1479.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low739.40.8115
Triple Number All Purpose Medium574.71.0441
Triple Number All Purpose High520.11.1537
Triple Number Windward/Leeward Low952.40.6300
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High625.80.9587
Predominantly Upwind631.20.9506
Predominantly Downwind580.21.0342
Predominantly Upwind Low829.20.7236
Predominantly Upwind Medium655.20.9158
Predominantly Upwind High620.60.9668
Predominantly Downwind Low800.00.7500
Predominantly Downwind Medium571.81.0493
Predominantly Downwind High478.91.2529
Chicago-Mac Upwind0.9335
Chicago-Mac All Purpose0.9708
Chicago-Mac Downwind1.0158
Bayview-Mac Cove Island0.9034
Bayview-Mac Shore0.9089
Harvest Moon Regatta499.41.2014
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy614.60.9763
San Francisco Bay Medium701.60.8551
Predominantly Reaching548.41.0941
Predominantly Reaching Low667.30.8992
Predominantly Reaching Medium541.01.1090
Predominantly Reaching High481.11.2472
Windward/Leeward 60-40 Low960.90.6244
Windward/Leeward 60-40 Medium735.90.8153
Windward/Leeward 60-40 High669.70.8959
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1038.10.5780
5-Band Low / Medium871.60.6884
5-Band Medium696.10.8619
5-Band Medium / High632.90.9480
5-Band High611.50.9812

Club
Certificate
Double Handed
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 L9.254LSM09.191Acc. 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
Double Handed
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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment400-20120303120012.2012.2012.206.900.0070.3203/03/2012
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment625-20210526093514.9212.9013.917.577.53101%87.6626/05/2021Gran 2021