Double HandedClub Certificate2026
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 Angles46.3°43.4°41.2°40.2°39.3°38.9°38.7°38.9°40.0°
Beat VMG2.323.293.984.474.774.894.954.974.87
52°3.655.005.916.516.836.987.047.107.07
60°3.925.266.166.717.017.177.257.327.33
75°4.125.456.336.867.187.387.527.677.75
90°4.005.366.296.957.327.527.677.998.19
110°3.785.296.397.047.447.778.088.528.81
120°3.635.116.216.937.367.718.058.759.31
135°3.144.585.686.537.097.467.818.549.37
150°2.603.854.925.836.577.077.438.108.84
Run VMG2.253.334.265.065.756.376.897.588.22
Gybe Angles137.3°143.9°147.8°151.9°157.0°167.8°177.2°179.0°178.8°
APH ToD:586.4CDL: 8.635APH ToT: 1.0232CertNo:
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 Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight180 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.9731.60Headsail Luffed32.5632.56Headsail FlyingSymmetricAsymmetric54.1659.90 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.32Storm Jib8.02Heavy Weather Jib21.64
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 122.9 kg·m Stability Index 120.9
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  04140004L29 Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 VMG1554.41095.2904.2805.2755.2736.0727.2724.9739.6
52°987.6719.4609.0552.8527.0515.9511.0507.3509.1
60°917.9683.8584.8536.2513.3501.8496.6491.6491.3
75°873.0660.7568.6524.4501.6487.7478.6469.3464.4
90°899.5671.9572.5517.9492.1478.7469.2450.4439.7
110°952.8680.5563.8511.1483.9463.5445.8422.4408.5
120°992.9703.9579.6519.6489.1466.8447.1411.5386.9
135°1144.8786.4633.3551.0508.0482.4461.2421.7384.0
150°1386.8935.0732.0617.5548.1509.0484.6444.7407.3
Run VMG1601.31079.6845.2712.1625.6565.2522.7474.8437.9
Selected Courses
Windward / Leeward1577.81087.4874.7758.7690.4650.6625.0599.9588.7
All purpose1185.4836.1685.9606.9563.8539.6523.8503.6491.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward723.30.8295
All purpose586.41.0232
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7307
Downwind "popa"0.8704
70% up, 30% down "Ilhabela"0.7677
30% up, 70% down "Ilhabela-inverso"0.8232
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Predominantly Upwind633.30.9475
Predominantly Downwind598.71.0022
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP611.40.9814 Predom. Rc High477.71.2560 5B SF Bay L/M797.20.7526 TriNum AP Low761.00.7885 Predom. Dn Low935.30.6415 5B SF Bay Med680.40.8818 TriNum AP Med582.41.0303 Predom. Dn L/M681.70.8802 5B SF Bay M/H616.70.9730 TriNum AP High520.21.1535 Predom. Dn Med575.91.0419 5B SF Bay High591.81.0138 TriNum W/L Low1029.10.5830 Predom. Dn M/H512.11.1716 5B AP Low848.40.7072 TriNum W/L Med718.60.8350 Predom. Dn High477.91.2554 5B AP L/M662.10.9062 TriNum W/L Hig622.00.9647 ChiMac Up Low804.50.7458 5B AP Med573.71.0458 Predom. Upwind660.40.9085 ChiMac Up Med723.60.8292 5B AP M/H526.41.1397 Predom. Reaching585.51.0248 ChiMac Up High631.30.9505 5B AP High505.01.1881 Predom. Downwind627.50.9562 ChiMac Off Low799.00.7509 5B W/L Low1156.80.5187 Predom. Up Low919.80.6523 ChiMac Off Med701.50.8553 5B W/L L/M837.90.7161 Predom. Up L/M696.20.8618 ChiMac Off High587.21.0218 5B W/L Med705.00.8510 Predom. Up Med611.30.9815 ChiMac AP Low797.70.7522 5B W/L M/H630.60.9515 Predom. Up M/H571.81.0494 ChiMac AP Med709.60.8456 5B W/L High602.30.9962 Predom. Up High558.11.0752 ChiMac AP High607.40.9879 W/L 60-40 Low1157.90.5182 Predom. Rc Low823.70.7284 BayMac Cove Island920.40.6519 W/L 60-40 L/M845.40.7097 Predom. Rc L/M622.50.9639 BayMac Shore912.20.6577 W/L 60-40 Med718.10.8355 Predom. Rc Med543.51.1039 Harvest Moon515.11.1648 W/L 60-40 M/H650.60.9222 Predom. Rc M/H500.91.1978 5B SF Bay Low970.00.6186 W/L 60-40 High627.40.9563      SA/DSPL Up19.79SA/DSPL Dn26.52
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance639.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating639.30.9386
FinRating, kevyt tuuli1140.20.8770
FinRating, kova tuuli508.00.9842
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9386
Triple Number Coastal/Long Distance Low0.7885
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1535
Triple Number Windward/Leeward Low0.6116
Triple Number Windward/Leeward Medium0.8350
Triple Number Windward/Leeward High0.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
For information
General Purpose Handicap (GPH)659.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Saronikos S All Purpose669.70.8959
Saronikos S Upwind750.40.7996
Saronikos S Downwind575.01.0435
Saronikos N All Purpose704.70.8514
Saronikos N Upwind784.60.7647
Saronikos N Downwind629.80.9527
Saronikos SW All Purpose677.40.8858
Saronikos SW Upwind772.20.7770
Saronikos SW Downwind585.11.0255
Saronikos NE All Purpose732.90.8187
Saronikos NE Upwind736.30.8149
Saronikos NE Downwind710.90.8440
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose611.40.9814
5-Band All Purpose Low922.80.6502
5-Band All Purpose L/M686.70.8737
5-Band All Purpose Med592.21.0131
5-Band All Purpose M/H541.11.1089
5-Band All Purpose High517.31.1598
Single Number Predominant Upwind631.80.9497
Single Number Predominant Reaching562.01.0676
Single Number Predominant Downwind599.41.0010
5-Band 50-50 Windward/Leeward Low1156.80.5187
5-Band 50-50 Windward/Leeward L/M837.90.7161
5-Band 50-50 Windward/Leeward Med705.00.8510
5-Band 50-50 Windward/Leeward M/H630.60.9515
5-Band 50-50 Windward/Leeward High602.30.9962
5-Band 60-40 Windward/Leeward Low1157.90.5182
5-Band 60-40 Windward/Leeward L/M845.40.7097
5-Band 60-40 Windward/Leeward Med718.10.8355
5-Band 60-40 Windward/Leeward M/H650.60.9222
5-Band 60-40 Windward/Leeward High627.40.9563
Triple Number 50-50 Windward/Leeward Low1029.10.5830
Triple Number 50-50 Windward/Leeward Med718.70.8349
Triple Number 50-50 Windward/Leeward High622.00.9647
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward736.40.8147
Triple Number 60-40 Windward/Leeward Low1032.40.5812
Triple Number 60-40 Windward/Leeward Med730.90.8210
Triple Number 60-40 Windward/Leeward High643.30.9327
Triple Number All-Purpose Low827.80.7249
Triple Number All-Purpose Med601.50.9975
Triple Number All-Purpose High534.21.1232
Triple Number Predominant Upwind Low837.00.7168
Triple Number Predominant Upwind Med622.20.9643
Triple Number Predominant Upwind High572.71.0476
Triple Number Predominant Reaching Low747.00.8032
Triple Number Predominant Reaching Med560.21.0711
Triple Number Predominant Reaching High485.61.2355
Triple Number Predominant Downwind Low832.10.7211
Triple Number Predominant Downwind Med587.71.0209
Triple Number Predominant Downwind High493.11.2167
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low760.9
Triple Number Coastal/Long Distance Medium582.3
Triple Number Coastal/Long Distance High520.2
Triple Number Windward/Leeward Low981.0
Triple Number Windward/Leeward Medium718.6
Triple Number Windward/Leeward High622.0
Predominantly Upwind633.3
Predominantly Downwind598.7
Predominantly Reaching572.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7885
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1535
Triple Number Windward/Leeward Low0.6116
Triple Number Windward/Leeward Medium0.8350
Triple Number Windward/Leeward High0.9647
Coastal/Long Distance0.9386
Predominantly Upwind0.9475
Predominantly Downwind1.0022
For information
General Purpose Handicap (GPH)659.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0232
Distanseseilas Trippeltall svak vind0.7885
Distanseseilas Trippeltall mellomvind1.0304
Distanseseilas Trippeltall sterk vind1.1535
Pølsebane Trippeltall svak vind0.6116
Pølsebane Trippeltall mellomvind0.8350
Pølsebane Trippeltall sterk vind0.9647
Motvind Singeltall0.9475
Medvind Singeltall1.0022
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Coastal/Long Distance639.30.9386
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind633.30.9475
Predominantly Downwind598.71.0022
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore592.11.0134
Cape Doctor Coastal495.31.2114
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7885
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1535
Triple Number Windward/Leeward Low0.6116
Triple Number Windward/Leeward Medium0.8350
Triple Number Windward/Leeward High0.9647
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7885
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1535
Triple Number Windward/Leeward Low0.6116
Triple Number Windward/Leeward Medium0.8350
Triple Number Windward/Leeward High0.9647
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Predominantly Upwind633.30.9475
Predominantly Downwind598.71.0022
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low760.90.7885
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High520.21.1535
Triple Number Windward/Leeward Low981.00.6116
Triple Number Windward/Leeward Medium718.60.8350
Triple Number Windward/Leeward High622.00.9647
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1580.21086.6823.2683.8602.2560.3529.5480.3466.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP611.40.9814 Predom. Dn High477.91.2554 5B AP M/H526.41.1397 TriNum AP Low761.00.7885 Predom. Rc Low823.70.7284 5B AP High505.01.1881 TriNum AP Med582.41.0303 Predom. Rc L/M622.50.9639 5B SF Bay Low970.00.6186 TriNum AP High520.21.1535 Predom. Rc Med543.51.1039 5B SF Bay L/M797.20.7526 TriNum W/L Low1029.10.5830 Predom. Rc M/H500.91.1978 5B SF Bay Med680.40.8818 TriNum W/L Med718.60.8350 Predom. Rc High477.71.2560 5B SF Bay M/H616.70.9730 TriNum W/L Hig622.00.9647 5B W/L Low1156.80.5187 5B SF Bay High591.81.0138 Predom. Upwind660.40.9085 5B W/L L/M837.90.7161 ChiMac Up Low804.50.7458 Predom. Reaching585.51.0248 5B W/L Med705.00.8510 ChiMac Up Med723.60.8292 Predom. Downwind627.50.9562 5B W/L M/H630.60.9515 ChiMac Up High631.30.9505 Predom. Up Low919.80.6523 5B W/L High602.30.9962 ChiMac Off Low799.00.7509 Predom. Up L/M696.20.8618 W/L 60-40 Low1157.90.5182 ChiMac Off Med701.50.8553 Predom. Up Med611.30.9815 W/L 60-40 L/M845.40.7097 ChiMac Off High587.21.0218 Predom. Up M/H571.81.0494 W/L 60-40 Med718.10.8355 ChiMac AP Low797.70.7522 Predom. Up High558.11.0752 W/L 60-40 M/H650.60.9222 ChiMac AP Med709.60.8456 Predom. Dn Low935.30.6415 W/L 60-40 High627.40.9563 ChiMac AP High607.40.9879 Predom. Dn L/M681.70.8802 5B AP Low848.40.7072 BayMac Cove Island920.40.6519 Predom. Dn Med575.91.0419 5B AP L/M662.10.9062 BayMac Shore912.20.6577 Predom. Dn M/H512.11.1716 5B AP Med573.71.0458 Harvest Moon515.11.1648      SA/DSPL Up19.79SA/DSPL Dn26.52
ORC Ref  04140004L29 Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34 LRMeasurement24/05/2021HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.300Maximum beam3.482Draft1.952Displacement5,700Wetted area24.35IMS L9.451LSM09.420Accomod. length10.300Sink (kg/mm) 18.71
VCGD0.041VCGM0.045 RM Rated (kg·m) 122.9Limit of positive stability(°) 119.1 Stability Index 120.9 BLR index 0.0000Default crew weight170 Declared crew weight 180
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders0Rotating mastNo
P11.830IG12.660ISP13.311MDT10.125MDL10.198MDT2MDL2TLNo TaperMWGO
E4.500J3.740BAS1.430FSDFoilSFJSPL3.800WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date24/05/2021
SFFP0.390FFMFF1.256LCFcl5.727SG
SAFP9.636FAMFA1.038LCFsh5.975HBI1.099
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004L29 Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Hakuna MatataFIN-10238
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.851.562.803.7930.97
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.070.661.282.563.915.2612.50NoNo 32.5608/04/202624.9612.50NoNo 31.5604/05/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA111.5610.8511.215.825.72102%54.1608/04/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
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.
ORC Ref  04140004L29 Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org