Club
Certificate
Non Spinnaker
2023

Boat

Bertha

NOR 10494

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 Angles43.9°41.8°40.2°38.8°38.2°38.2°38.4°
Beat VMG3.294.014.544.895.045.125.16
52°5.055.996.586.927.107.197.25
60°5.336.246.777.097.287.387.48
75°5.506.416.927.237.467.657.86
90°5.386.346.917.257.517.758.15
110°4.755.836.637.117.457.768.36
120°4.495.586.436.987.347.668.29
135°3.955.035.926.607.067.398.01
150°3.354.395.286.056.667.087.69
Run VMG2.903.814.625.356.026.597.33
Gybe Angles147.5°152.0°157.7°165.8°171.8°176.6°179.0°

APH: 601.3

CDL: 8.809

GPH: 681.2

CertNo: 7823

BOAT
ClassDufour 34 StandardDesignerUmberto FeliciBuilderDufourAge date01/2003Series date01/2002Offset fileDUF34PERF.offData file7823
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.927 mDisplacement5,231 kgDLR6.7353IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight610 kgMinimum weight458 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.6831.24Headsail Luffed32.4832.48Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.42Storm Jib8.19Heavy Weather Jib22.10
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.
ORC Ref  03440002NNWIssued on 05/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Bertha

NOR 10494

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 VMG1094.6898.1793.6736.4713.7702.9697.8
52°712.7601.4547.0519.9506.8501.0496.3
60°675.5577.1531.5508.1494.7487.7481.5
75°654.5562.0520.3498.0482.4470.6458.0
90°669.4568.2521.2496.6479.2464.2441.6
110°757.5617.4543.4506.1483.1463.7430.6
120°801.9645.0560.3516.0490.4470.1434.2
135°912.5715.3608.5545.1509.6486.8449.6
150°1073.8820.3681.5595.4540.9508.5468.1
Run VMG1239.9946.1780.0672.7597.9546.2491.3
Selected Courses
Windward / Leeward1167.2922.1786.8704.5655.8624.5594.6
All purpose889.0718.1627.4575.5545.5526.2503.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward742.60.8080
All purpose601.30.9979
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7451
Downwind "popa"0.7964
70% up, 30% down "Ilhabela"0.7598
30% up, 70% down "Ilhabela-inverso"0.7803
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Predominantly Upwind636.10.9432
Predominantly Downwind631.40.9502
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low803.50.7467
Triple Number All Purpose Medium597.21.0047
Triple Number All Purpose High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Predominantly Upwind636.10.9432
Predominantly Downwind631.40.9502
Predominantly Upwind Low863.10.6952
Predominantly Upwind Medium644.20.9314
Predominantly Upwind High593.01.0118
Predominantly Downwind Low920.10.6521
Predominantly Downwind Medium636.20.9431
Predominantly Downwind High512.01.1718
Chicago-Mac Upwind0.9246
Chicago-Mac All Purpose0.9256
Chicago-Mac Downwind0.9296
Bayview-Mac Cove Island0.8567
Bayview-Mac Shore0.8753
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching572.21.0485
Predominantly Reaching Low729.90.8221
Predominantly Reaching Medium571.11.0506
Predominantly Reaching High493.41.2161
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1148.30.5225
5-Band Low / Medium945.30.6347
5-Band Medium721.50.8315
5-Band Medium / High631.50.9501
5-Band High599.71.0004
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance657.4
Triple Number Coastal/Long Distance Low803.5
Triple Number Coastal/Long Distance Medium597.2
Triple Number Coastal/Long Distance High522.3
Triple Number Windward/Leeward Low1044.6
Triple Number Windward/Leeward Medium737.9
Triple Number Windward/Leeward High621.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7467
Triple Number Coastal/Long Distance Medium1.0047
Triple Number Coastal/Long Distance High1.1487
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8131
Triple Number Windward/Leeward High0.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low803.5
Triple Number Coastal/Long Distance Medium597.2
Triple Number Coastal/Long Distance High522.3
Triple Number Windward/Leeward Low1044.6
Triple Number Windward/Leeward Medium737.9
Triple Number Windward/Leeward High621.1
Predominantly Upwind636.1
Predominantly Downwind631.4
Predominantly Reaching594.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7467
Triple Number Coastal/Long Distance Medium1.0047
Triple Number Coastal/Long Distance High1.1487
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8131
Triple Number Windward/Leeward High0.9661
Coastal/Long Distance0.9127
Predominantly Upwind0.9432
Predominantly Downwind0.9502
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7467
Tretall Distanseseilas Mellomvind1.0047
Tretall Distanseseilas Mye vind1.1487
Tretall Pølsebane Lite vind0.5744
Tretall Pølsebane Mellomvind0.8131
Tretall Pølsebane Mye vind0.9661
Distanseseilas ett tall (OSN 8-16kn)0.9127
Distanseseilas ett tall (APH 6-20kn)0.9979
Enkeltall Motvind0.9432
Enkeltall Medvind0.9502
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Coastal/Long Distance657.40.9127
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind636.10.9432
Predominantly Downwind631.40.9502
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore603.50.9941
Cape Doctor Coastal510.01.1765
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7467
Triple Number Coastal/Long Distance Medium1.0047
Triple Number Coastal/Long Distance High1.1487
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8131
Triple Number Windward/Leeward High0.9661
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7467
Triple Number Coastal/Long Distance Medium1.0047
Triple Number Coastal/Long Distance High1.1487
Triple Number Windward/Leeward Low0.5744
Triple Number Windward/Leeward Medium0.8131
Triple Number Windward/Leeward High0.9661
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Predominantly Upwind636.10.9432
Predominantly Downwind631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.40.9127
Triple Number Coastal/Long Distance Low803.50.7467
Triple Number Coastal/Long Distance Medium597.21.0047
Triple Number Coastal/Long Distance High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1174.5868.2708.7614.4566.6532.6483.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low803.50.7467
Triple Number All Purpose Medium597.21.0047
Triple Number All Purpose High522.31.1487
Triple Number Windward/Leeward Low1044.60.5744
Triple Number Windward/Leeward Medium737.90.8131
Triple Number Windward/Leeward High621.10.9661
Predominantly Upwind636.10.9432
Predominantly Downwind631.40.9502
Predominantly Upwind Low863.10.6952
Predominantly Upwind Medium644.20.9314
Predominantly Upwind High593.01.0118
Predominantly Downwind Low920.10.6521
Predominantly Downwind Medium636.20.9431
Predominantly Downwind High512.01.1718
Chicago-Mac Upwind0.9246
Chicago-Mac All Purpose0.9256
Chicago-Mac Downwind0.9296
Bayview-Mac Cove Island0.8567
Bayview-Mac Shore0.8753
Harvest Moon Regatta522.31.1487
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy611.50.9813
San Francisco Bay Medium732.00.8197
Predominantly Reaching572.21.0485
Predominantly Reaching Low729.90.8221
Predominantly Reaching Medium571.11.0506
Predominantly Reaching High493.41.2161
Windward/Leeward 60-40 Low1035.00.5797
Windward/Leeward 60-40 Medium746.60.8036
Windward/Leeward 60-40 High649.20.9242
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1148.30.5225
5-Band Low / Medium945.30.6347
5-Band Medium721.50.8315
5-Band Medium / High631.50.9501
5-Band High599.71.0004
ORC Ref  03440002NNWIssued on 05/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Bertha

NOR 10494

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 StandardMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.300Max. Beam3.482Draft1.927Displacement5,231Wetted area23.67IMS L9.393LSM09.191Acc. 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
PRD0.340PBWPIPA0.0032
EDL2.170ST10.048ST20.170
ST30.170ST40.098ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.830IG12.760ISP12.900MDT10.110MDL10.190MDT20.000MDL20.000TL0.720MW0.190GO0.200
E4.550J3.740BAS1.570FSDFoilSFJ0.000SPL3.860WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.030Flotation Date01/01/2015MeasurerComment
SFFP0.390FFMFF1.324LCFcl5.792SG1.0130
SAFP9.636FAMFA1.033LCFsh6.039HBI1.141
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002NNWIssued on 05/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Bertha

NOR 10494

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment312-2018011211000.140.851.572.763.7030.6812/01/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment335-2016031408330.300.631.242.543.895.2112.54NoNo 32.4814/03/2016394-2023060214550.090.621.192.413.755.1812.29NoNo 30.7702/06/2023335-2017042610090.040.490.952.023.144.2812.05NoNo 24.9926/04/2017Genoa 2
ORC Ref  03440002NNWIssued on 05/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org