Double HandedClub Certificate2025
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.1°43.1°41.0°40.0°39.2°38.7°38.5°38.6°39.7°
Beat VMG2.423.324.024.504.784.904.964.994.90
52°3.765.045.946.536.846.987.057.107.08
60°3.985.296.186.737.027.187.257.337.33
75°4.125.466.346.877.187.387.537.697.78
90°4.025.366.286.887.227.467.688.018.21
110°3.835.266.357.017.407.727.988.298.46
120°3.685.096.186.917.357.708.048.638.98
135°3.254.575.686.557.107.497.858.599.48
150°2.683.894.995.926.667.157.518.219.00
Run VMG2.323.374.335.155.876.476.937.638.28
Gybe Angles146.2°146.2°150.5°153.7°158.8°165.1°171.8°177.7°177.2°
APH ToD:584.2CDL: 8.660APH ToT: 1.0270CertNo:
BOAT
ClassDufour 34 LRDesignerUmberto FelciBuilderDufourAge date01/2005Series date07/2003Offset fileDUF34PERF.offData fileFIN10238
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.952 mDisplacement5,700 kgDLR6.8163IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight180 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.9731.60Headsail Luffed31.5631.56Headsail FlyingSymmetric68.4468.44Asymmetric
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.02Heavy Weather Jib21.64
SAIL LIMITS
Headsails5Spinnakers4
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.
Double HandedClub Certificate2025
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1487.51083.7896.2800.0752.8734.2725.2721.4734.7
52°957.9714.2605.8551.2526.3515.8510.9506.8508.2
60°905.0680.3582.9535.3513.0501.7496.6491.3490.9
75°873.0659.1567.9524.2501.6487.7478.2468.1462.8
90°895.8671.4572.9523.1498.6482.3468.6449.2438.3
110°939.6683.9567.2513.9486.5466.6451.1434.3425.6
120°977.6707.8582.5521.1490.0467.3448.0417.1400.9
135°1108.9788.1633.6550.0506.8480.6458.4418.9379.9
150°1344.9926.1721.1608.0540.9503.8479.5438.4400.0
Run VMG1552.71069.4832.3699.2613.8556.8519.2472.1435.0
Selected Courses
Windward / Leeward1518.21076.5864.3749.6683.3645.5622.2596.7584.8
All purpose1150.2831.5681.9604.0562.0538.3522.6502.6491.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward716.30.8376
All purpose584.21.0270
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7351
Downwind "popa"0.8818
70% up, 30% down "Ilhabela"0.7737
30% up, 70% down "Ilhabela-inverso"0.8320
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Predominantly Upwind631.00.9509
Predominantly Downwind594.91.0086
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low756.70.7930
Triple Number AP Medium580.11.0343
Triple Number AP High519.01.1561
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Single Number Predominant Upwind656.30.9143
Single Number Predominant Reaching583.61.0281
Single Number Predominant Downwind622.30.9642
Predominant Upwind - Low905.60.6626
Predominant Upwind - Low/Med692.60.8663
Predominant Upwind - Medium609.70.9841
Predominant Upwind - Med/High570.41.0519
Predominant Upwind - High556.01.0791
Predominant Downwind Low922.70.6502
Predominant Downwind Low/Med677.30.8859
Predominant Downwind Medium572.31.0483
Predominant Downwind Med/High509.61.1774
Predominant Downwind High475.51.2619
Predominant Reaching Low815.50.7357
Predominant Reaching Low/Med621.50.9654
Predominant Reaching Medium543.71.1036
Predominant Reaching Med/High499.91.2003
Predominant Reaching High475.81.2610
SA/DSPL Upwind19.48SA/DSPL Downwind30.97
Scoring OptionTODTOT
5-Band Windward/Leeward Low1134.30.5289
5-Band Windward/Leeward Low/Med828.40.7243
5-Band Windward/Leeward Medium698.00.8596
5-Band Windward/Leeward Med/High627.00.9570
5-Band Windward/Leeward High599.11.0015
Windward/Leeward 60-40 Low1135.00.5286
Windward/Leeward 60-40 Low/Med836.40.7173
Windward/Leeward 60-40 Medium711.80.8429
Windward/Leeward 60-40 Med/High647.20.9270
Windward/Leeward 60-40 High624.10.9613
5-Band AP Low839.30.7149
5-Band AP Low/Med658.80.9108
5-Band AP Medium571.71.0495
5-Band AP Med/High525.21.1425
5-Band AP High504.01.1904
5-Band SF Bay Tour - Low976.90.6142
5-Band SF Bay Tour - Low/Med792.60.7570
5-Band SF Bay Tour - Medium675.00.8888
5-Band SF Bay Tour - Med/High613.50.9779
5-Band SF Bay Tour - High588.71.0191
Chicago-Mac Upwind0.8861
Chicago-Mac All Purpose0.9101
Chicago-Mac Downwind0.9282
Bayview-Mac Cove Island0.6636
Bayview-Mac Shore0.6688
Harvest Moon Regatta507.81.1816
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance635.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating635.30.9444
FinRating, kevyt tuuli1115.90.8962
FinRating, kova tuuli507.30.9855
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9444
Triple Number Coastal/Long Distance Low0.7930
Triple Number Coastal/Long Distance Medium1.0344
Triple Number Coastal/Long Distance High1.1561
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8439
Triple Number Windward/Leeward High0.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
For information
General Purpose Handicap (GPH)656.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low756.6
Triple Number Coastal/Long Distance Medium580.0
Triple Number Coastal/Long Distance High519.0
Triple Number Windward/Leeward Low970.4
Triple Number Windward/Leeward Medium711.0
Triple Number Windward/Leeward High618.5
Predominantly Upwind631.0
Predominantly Downwind594.9
Predominantly Reaching570.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7930
Triple Number Coastal/Long Distance Medium1.0344
Triple Number Coastal/Long Distance High1.1561
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8439
Triple Number Windward/Leeward High0.9701
Coastal/Long Distance0.9444
Predominantly Upwind0.9509
Predominantly Downwind1.0086
For information
General Purpose Handicap (GPH)656.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0270
Distanseseilas Trippeltall svak vind0.7930
Distanseseilas Trippeltall mellomvind1.0344
Distanseseilas Trippeltall sterk vind1.1561
Pølsebane Trippeltall svak vind0.6183
Pølsebane Trippeltall mellomvind0.8439
Pølsebane Trippeltall sterk vind0.9701
Motvind Singeltall0.9509
Medvind Singeltall1.0086
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Coastal/Long Distance635.30.9444
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind631.00.9509
Predominantly Downwind594.91.0086
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore588.41.0197
Cape Doctor Coastal494.51.2133
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7930
Triple Number Coastal/Long Distance Medium1.0344
Triple Number Coastal/Long Distance High1.1561
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8439
Triple Number Windward/Leeward High0.9701
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7930
Triple Number Coastal/Long Distance Medium1.0344
Triple Number Coastal/Long Distance High1.1561
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8439
Triple Number Windward/Leeward High0.9701
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Predominantly Upwind631.00.9509
Predominantly Downwind594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance635.30.9444
Triple Number Coastal/Long Distance Low756.60.7930
Triple Number Coastal/Long Distance Medium580.01.0344
Triple Number Coastal/Long Distance High519.01.1561
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31075.8814.4677.9599.3558.6528.1480.1467.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low756.70.7930
Triple Number AP Medium580.11.0343
Triple Number AP High519.01.1561
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium711.00.8439
Triple Number Windward/Leeward High618.50.9701
Single Number Predominant Upwind656.30.9143
Single Number Predominant Reaching583.61.0281
Single Number Predominant Downwind622.30.9642
Predominant Upwind - Low905.60.6626
Predominant Upwind - Low/Med692.60.8663
Predominant Upwind - Medium609.70.9841
Predominant Upwind - Med/High570.41.0519
Predominant Upwind - High556.01.0791
Predominant Downwind Low922.70.6502
Predominant Downwind Low/Med677.30.8859
Predominant Downwind Medium572.31.0483
Predominant Downwind Med/High509.61.1774
Predominant Downwind High475.51.2619
Predominant Reaching Low815.50.7357
Predominant Reaching Low/Med621.50.9654
Predominant Reaching Medium543.71.1036
Predominant Reaching Med/High499.91.2003
Predominant Reaching High475.81.2610
SA/DSPL Upwind19.48SA/DSPL Downwind30.97
Scoring OptionTODTOT
5-Band Windward/Leeward Low1134.30.5289
5-Band Windward/Leeward Low/Med828.40.7243
5-Band Windward/Leeward Medium698.00.8596
5-Band Windward/Leeward Med/High627.00.9570
5-Band Windward/Leeward High599.11.0015
Windward/Leeward 60-40 Low1135.00.5286
Windward/Leeward 60-40 Low/Med836.40.7173
Windward/Leeward 60-40 Medium711.80.8429
Windward/Leeward 60-40 Med/High647.20.9270
Windward/Leeward 60-40 High624.10.9613
5-Band AP Low839.30.7149
5-Band AP Low/Med658.80.9108
5-Band AP Medium571.71.0495
5-Band AP Med/High525.21.1425
5-Band AP High504.01.1904
5-Band SF Bay Tour - Low976.90.6142
5-Band SF Bay Tour - Low/Med792.60.7570
5-Band SF Bay Tour - Medium675.00.8888
5-Band SF Bay Tour - Med/High613.50.9779
5-Band SF Bay Tour - High588.71.0191
Chicago-Mac Upwind0.8861
Chicago-Mac All Purpose0.9101
Chicago-Mac Downwind0.9282
Bayview-Mac Cove Island0.6636
Bayview-Mac Shore0.6688
Harvest Moon Regatta507.81.1816
Double HandedClub Certificate2025
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 LRMeasurement24/05/2021HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.300Max. Beam3.482Draft1.952Displacement5,700Wetted area24.35IMS L9.451LSM09.420Acc. length10.300Sink (kg/mm) 18.71
VCGD0.042VCGM0.047RM Rated (kg·m) 122.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight180
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionInner stayMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders0Rotating mastNo
P11.830IG12.660ISP13.311MDT10.125MDL10.198MDT2MDL2TLNo TaperMWGO
E4.500J3.740BAS1.430FSDFoilSFJSPL3.800WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date24/05/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.851.562.803.7930.97
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment24.9612.50NoNo 31.5604/05/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment212.6912.6912.696.506.3668.4423/04/2024
CRUISER/RACER REQUIREMENTS*
Accommodation length10.3 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity86 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity56 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.