Club
Certificate
2023

Boat

Svalen

NOR 14520

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 Angles44.8°43.0°41.8°40.2°38.8°38.7°38.3°
Beat VMG3.254.024.615.085.425.605.72
52°5.056.106.857.357.677.878.03
60°5.366.407.117.567.858.058.28
75°5.566.607.297.728.018.258.64
90°5.426.507.367.888.238.518.86
110°5.376.627.488.008.408.779.47
120°5.206.447.357.918.338.729.52
135°4.675.906.887.588.048.439.21
150°3.965.116.076.847.377.758.34
Run VMG3.434.425.255.926.396.737.68
Gybe Angles144.8°146.9°147.5°147.6°148.3°167.6°175.4°

APH: 554.2

CDL: 10.115

GPH: 629.1

CertNo: 666695

BOAT
ClassDufour 425 GLDesignerUmberto FelciBuilderDufour YachtsAge date01/2010Series date03/2009Offset fileDUF425CL.OFFData file666695
HULL
Length Overall12.600 mMaximum Beam4.170 mDraft2.101 mDisplacement8,856 kgDLR6.4121IMS DivisionCruiser/RacerDynamic Allowance0.390%Age Allowance0.455%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight802 kgMinimum weight602 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.9335.26Headsail Luffed47.3447.34Headsail FlyingSymmetricAsymmetric94.8294.82 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail11.26Storm Jib10.90Heavy Weather Jib29.43
SAIL LIMITS
Headsails6  Spinnakers5
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  03440002L1QIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Svalen

NOR 14520

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 VMG1108.4895.2780.5708.5664.3642.9629.0
52°713.3589.8525.3489.7469.3457.4448.1
60°671.3562.4506.3476.4458.8447.0435.0
75°647.6545.7493.8466.4449.3436.2416.7
90°664.5553.9489.2456.9437.4423.2406.4
110°669.8543.5481.0450.1428.8410.3380.0
120°691.8559.3490.0455.1432.4412.7378.0
135°770.3610.2523.3475.1447.9427.2390.8
150°908.7704.6593.3526.4488.2464.4431.9
Run VMG1049.3813.6685.1607.8563.7534.6468.9
Selected Courses
Windward / Leeward1078.8854.4732.8658.2614.0588.8548.9
All purpose827.2666.4580.1530.3500.6481.5455.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward692.50.8664
All purpose554.21.0827
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7736
Downwind "popa"0.8893
70% up, 30% down "Ilhabela"0.8050
30% up, 70% down "Ilhabela-inverso"0.8511
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind597.61.0041
Predominantly Downwind571.91.0491
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low746.80.8034
Triple Number All Purpose Medium550.81.0893
Triple Number All Purpose High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind597.61.0041
Predominantly Downwind571.91.0491
Predominantly Upwind Low834.60.7189
Predominantly Upwind Medium613.90.9773
Predominantly Upwind High541.91.1071
Predominantly Downwind Low816.10.7352
Predominantly Downwind Medium568.61.0552
Predominantly Downwind High474.11.2655
Chicago-Mac Upwind0.9815
Chicago-Mac All Purpose1.0026
Chicago-Mac Downwind1.0288
Bayview-Mac Cove Island0.9190
Bayview-Mac Shore0.9327
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching525.81.1411
Predominantly Reaching Low675.00.8889
Predominantly Reaching Medium521.71.1501
Predominantly Reaching High446.01.3453
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1061.50.5652
5-Band Low / Medium876.30.6847
5-Band Medium673.80.8905
5-Band Medium / High592.11.0134
5-Band High555.81.0795
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance606.5
Triple Number Coastal/Long Distance Low746.8
Triple Number Coastal/Long Distance Medium550.8
Triple Number Coastal/Long Distance High476.6
Triple Number Windward/Leeward Low966.7
Triple Number Windward/Leeward Medium688.4
Triple Number Windward/Leeward High580.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8034
Triple Number Coastal/Long Distance Medium1.0893
Triple Number Coastal/Long Distance High1.2590
Triple Number Windward/Leeward Low0.6207
Triple Number Windward/Leeward Medium0.8716
Triple Number Windward/Leeward High1.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low746.8
Triple Number Coastal/Long Distance Medium550.8
Triple Number Coastal/Long Distance High476.6
Triple Number Windward/Leeward Low966.7
Triple Number Windward/Leeward Medium688.4
Triple Number Windward/Leeward High580.1
Predominantly Upwind597.6
Predominantly Downwind571.9
Predominantly Reaching542.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8034
Triple Number Coastal/Long Distance Medium1.0893
Triple Number Coastal/Long Distance High1.2590
Triple Number Windward/Leeward Low0.6207
Triple Number Windward/Leeward Medium0.8716
Triple Number Windward/Leeward High1.0343
Coastal/Long Distance0.9893
Predominantly Upwind1.0041
Predominantly Downwind1.0491
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8034
Tretall Distanseseilas Mellomvind1.0893
Tretall Distanseseilas Mye vind1.2590
Tretall Pølsebane Lite vind0.6207
Tretall Pølsebane Mellomvind0.8716
Tretall Pølsebane Mye vind1.0343
Distanseseilas ett tall (OSN 8-16kn)0.9893
Distanseseilas ett tall (APH 6-20kn)1.0827
Enkeltall Motvind1.0041
Enkeltall Medvind1.0491
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Coastal/Long Distance606.50.9893
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind597.61.0041
Predominantly Downwind571.91.0491
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore560.91.0698
Cape Doctor Coastal463.41.2948
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8034
Triple Number Coastal/Long Distance Medium1.0893
Triple Number Coastal/Long Distance High1.2590
Triple Number Windward/Leeward Low0.6207
Triple Number Windward/Leeward Medium0.8716
Triple Number Windward/Leeward High1.0343
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8034
Triple Number Coastal/Long Distance Medium1.0893
Triple Number Coastal/Long Distance High1.2590
Triple Number Windward/Leeward Low0.6207
Triple Number Windward/Leeward Medium0.8716
Triple Number Windward/Leeward High1.0343
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind597.61.0041
Predominantly Downwind571.91.0491
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.50.9893
Triple Number Coastal/Long Distance Low746.80.8034
Triple Number Coastal/Long Distance Medium550.81.0893
Triple Number Coastal/Long Distance High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1075.9802.6657.2568.1520.4487.1437.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low746.80.8034
Triple Number All Purpose Medium550.81.0893
Triple Number All Purpose High476.61.2590
Triple Number Windward/Leeward Low966.70.6207
Triple Number Windward/Leeward Medium688.40.8716
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind597.61.0041
Predominantly Downwind571.91.0491
Predominantly Upwind Low834.60.7189
Predominantly Upwind Medium613.90.9773
Predominantly Upwind High541.91.1071
Predominantly Downwind Low816.10.7352
Predominantly Downwind Medium568.61.0552
Predominantly Downwind High474.11.2655
Chicago-Mac Upwind0.9815
Chicago-Mac All Purpose1.0026
Chicago-Mac Downwind1.0288
Bayview-Mac Cove Island0.9190
Bayview-Mac Shore0.9327
Harvest Moon Regatta477.61.2562
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy563.81.0643
San Francisco Bay Medium679.20.8833
Predominantly Reaching525.81.1411
Predominantly Reaching Low675.00.8889
Predominantly Reaching Medium521.71.1501
Predominantly Reaching High446.01.3453
Windward/Leeward 60-40 Low973.70.6162
Windward/Leeward 60-40 Medium705.00.8511
Windward/Leeward 60-40 High601.50.9975
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1061.50.5652
5-Band Low / Medium876.30.6847
5-Band Medium673.80.8905
5-Band Medium / High592.11.0134
5-Band High555.81.0795
ORC Ref  03440002L1QIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Svalen

NOR 14520

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 425 GLMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.600Max. Beam4.170Draft2.101Displacement8,856Wetted area33.64IMS L11.347LSM011.136Acc. length12.600Sink (kg/mm) 26.66
VCGD0.000VCGM-0.046RM Rated (kg·m) 273.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0037
EDL2.630ST10.048ST20.170
ST30.170ST40.170ST50.275
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.680IG14.700ISP14.700MDT10.150MDL10.250MDT20.150MDL20.250TL0.000MW0.250GO0.270
E4.700J4.730BAS1.650FSDFoilSFJ0.000SPL0.000WPLTPS5.600BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date01/01/2015MeasurerComment
SFFP0.189FFMFF1.511LCFcl7.001SG1.0220
SAFP11.957FAMFA1.164LCFsh7.292HBI1.309
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002L1QIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Svalen

NOR 14520

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment267-2014051420190.020.731.432.673.7534.9314/05/2014Elvstrøm brukt
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment267-2014051419160.000.000.000.000.006.6214.05NoNo 47.3414/05/2014
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment394-20221109111815.4313.4514.447.618.9685%94.8209/11/2022
ORC Ref  03440002L1QIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org