Non Spin/HSFClub Certificate2026
SPLASHDANCEIRL 4073
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 Angles47.6°45.3°43.3°41.6°40.3°39.2°38.8°39.3°40.4°
Beat VMG2.203.213.974.555.015.285.405.475.40
52°3.504.996.046.787.267.547.697.797.79
60°3.815.326.367.057.487.757.918.048.06
75°4.055.566.607.267.667.948.168.448.55
90°3.945.456.527.257.687.988.248.709.03
110°3.354.856.016.907.507.898.218.839.45
120°3.094.565.726.647.317.758.088.729.39
135°2.633.965.116.056.837.417.808.429.06
150°2.213.364.405.296.086.767.297.988.57
Run VMG1.922.913.814.705.526.256.907.788.38
Gybe Angles143.3°144.4°145.9°176.6°178.9°179.8°179.8°180.0°179.9°
APH ToD:583.0CDL: 9.803APH ToT: 1.0291CertNo:26076_NS
BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date01/2003Series date01/2002Offset fileDUFOUR40E.offData fileIRL4073
HULL
Length Overall12.013Maximum Beam3.878Draft2.108Displacement8,042DLR6.4515IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight850(declared)Minimum weight720 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.7345.55Headsail Luffed31.1231.12Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail13.63Storm Jib11.91Heavy Weather Jib32.15
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 202.7 Stability Index 125.1
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  051800048I9 Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SPLASHDANCEIRL 4073
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 VMG1639.31123.2906.3790.7719.1681.4666.1658.4666.6
52°1029.4721.3596.0531.0495.5477.2468.1462.3462.2
60°945.5676.3565.8510.3481.3464.8455.2447.9446.4
75°889.1648.0545.7495.7469.9453.5441.3426.6421.1
90°913.1660.1552.0496.9468.9451.2437.1413.9398.7
110°1076.1742.5599.3521.6480.1456.4438.7407.8380.9
120°1164.1789.9629.5542.0492.3464.6445.5413.0383.2
135°1366.8908.1705.0595.0526.8486.0461.5427.8397.5
150°1626.01071.3817.8680.7592.2532.5493.7451.1420.2
Run VMG1877.61237.0944.3765.3652.3575.8521.8462.7429.7
Selected Courses
Windward / Leeward1758.41180.1925.3778.0685.7628.6594.0560.5548.1
All purpose1305.3891.5712.0614.3555.7520.4498.9474.6460.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward726.00.8265
All purpose583.01.0291
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7574
Downwind "popa"0.8141
70% up, 30% down "Ilhabela"0.7736
30% up, 70% down "Ilhabela-inverso"0.7962
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Predominantly Upwind618.10.9707
Predominantly Downwind614.00.9772
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP606.70.9890 Predom. Rc High451.41.3291 5B SF Bay L/M829.50.7233 TriNum AP Low801.70.7484 Predom. Dn Low1038.80.5776 5B SF Bay Med678.00.8849 TriNum AP Med579.51.0354 Predom. Dn L/M723.20.8297 5B SF Bay M/H588.71.0191 TriNum AP High495.11.2118 Predom. Dn Med584.41.0267 5B SF Bay High556.51.0781 TriNum W/L Low1108.50.5413 Predom. Dn M/H499.81.2006 5B AP Low913.60.6567 TriNum W/L Med722.10.8309 Predom. Dn High461.31.3006 5B AP L/M680.90.8812 TriNum W/L Hig590.11.0168 ChiMac Up Low823.90.7283 5B AP Med567.81.0567 Predom. Upwind648.40.9253 ChiMac Up Med725.40.8271 5B AP M/H503.21.1925 Predom. Reaching585.71.0245 ChiMac Up High612.40.9798 5B AP High476.41.2594 Predom. Downwind649.60.9236 ChiMac Off Low866.60.6924 5B W/L Low1261.00.4758 Predom. Up Low961.40.6241 ChiMac Off Med743.00.8076 5B W/L L/M875.50.6853 Predom. Up L/M699.00.8583 ChiMac Off High599.11.0014 5B W/L Med703.80.8525 Predom. Up Med591.51.0145 ChiMac AP Low838.30.7157 5B W/L M/H601.90.9969 Predom. Up M/H534.61.1224 ChiMac AP Med729.20.8228 5B W/L High564.21.0635 Predom. Up High515.91.1631 ChiMac AP High602.60.9956 W/L 60-40 Low1248.40.4806 Predom. Rc Low876.60.6845 BayMac Cove Island981.90.6110 W/L 60-40 L/M874.40.6862 Predom. Rc L/M635.20.9446 BayMac Shore970.10.6185 W/L 60-40 Med710.20.8448 Predom. Rc Med535.31.1210 Harvest Moon509.11.1784 W/L 60-40 M/H615.90.9742 Predom. Rc M/H477.91.2554 5B SF Bay Low1040.00.5769 W/L 60-40 High583.61.0281      SA/DSPL Up18.77SA/DSPL Dn18.77
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance641.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating641.10.9359
FinRating, kevyt tuuli1245.80.8027
FinRating, kova tuuli480.61.0403
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9359
Triple Number Coastal/Long Distance Low0.7484
Triple Number Coastal/Long Distance Medium1.0355
Triple Number Coastal/Long Distance High1.2118
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.8309
Triple Number Windward/Leeward High1.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
For information
General Purpose Handicap (GPH)664.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Saronikos S All_Purpose668.10.8981
Saronikos S Upwind735.80.8155
Saronikos S Downwind605.00.9918
Saronikos N All_Purpose668.10.8981
Saronikos N Upwind771.10.7781
Saronikos N Downwind681.30.8807
Saronikos SW All_Purpose685.90.8748
Saronikos SW Upwind765.90.7834
Saronikos SW Downwind623.40.9624
Saronikos NE All_Purpose754.40.7953
Saronikos NE Upwind722.40.8306
Saronikos NE Downwind785.70.7636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose606.70.9890
5-Band All-Purpose Low991.50.6052
5-Band All-Purpose L/M706.80.8489
5-Band All-Purpose Med585.51.0247
5-Band All-Purpose M/H515.71.1635
5-Band All-Purpose High487.11.2319
Single Number Predominant Upwind616.20.9737
Single Number Predominant Reaching557.71.0758
Single Number Predominant Downwind615.10.9754
5-Band 50-50 Windward/Leeward Low1261.00.4758
5-Band 50-50 Windward/Leeward L/M875.50.6853
5-Band 50-50 Windward/Leeward Med703.80.8525
5-Band 50-50 Windward/Leeward M/H601.90.9969
5-Band 50-50 Windward/Leeward High564.21.0635
5-Band 60-40 Windward/Leeward Low1248.40.4806
5-Band 60-40 Windward/Leeward L/M874.40.6862
5-Band 60-40 Windward/Leeward Med710.20.8448
5-Band 60-40 Windward/Leeward M/H615.90.9742
5-Band 60-40 Windward/Leeward High583.61.0281
Triple Number 50-50 Windward/Leeward Low1108.50.5413
Triple Number 50-50 Windward/Leeward Med722.30.8307
Triple Number 50-50 Windward/Leeward High590.11.0168
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward732.10.8196
Triple Number 60-40 Windward/Leeward Low1099.90.5455
Triple Number 60-40 Windward/Leeward Med727.70.8246
Triple Number 60-40 Windward/Leeward High605.50.9910
Triple Number All-Purpose Low877.80.6835
Triple Number All-Purpose Med598.21.0031
Triple Number All-Purpose High507.11.1833
Triple Number Predominant Upwind Low867.40.6917
Triple Number Predominant Upwind Med606.70.9890
Triple Number Predominant Upwind High530.91.1303
Triple Number Predominant Reaching Low784.20.7651
Triple Number Predominant Reaching Med554.21.0827
Triple Number Predominant Reaching High461.71.2994
Triple Number Predominant Downwind Low910.60.6589
Triple Number Predominant Downwind Med602.40.9961
Triple Number Predominant Downwind High482.31.2439
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low801.7
Triple Number Coastal/Long Distance Medium579.4
Triple Number Coastal/Long Distance High495.1
Triple Number Windward/Leeward Low1052.6
Triple Number Windward/Leeward Medium722.1
Triple Number Windward/Leeward High590.1
Predominantly Upwind618.1
Predominantly Downwind614.0
Predominantly Reaching575.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7484
Triple Number Coastal/Long Distance Medium1.0355
Triple Number Coastal/Long Distance High1.2118
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.8309
Triple Number Windward/Leeward High1.0168
Coastal/Long Distance0.9359
Predominantly Upwind0.9707
Predominantly Downwind0.9772
For information
General Purpose Handicap (GPH)664.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0291
Distanseseilas Trippeltall svak vind0.7484
Distanseseilas Trippeltall mellomvind1.0355
Distanseseilas Trippeltall sterk vind1.2118
Pølsebane Trippeltall svak vind0.5700
Pølsebane Trippeltall mellomvind0.8309
Pølsebane Trippeltall sterk vind1.0168
Motvind Singeltall0.9707
Medvind Singeltall0.9772
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Coastal/Long Distance641.10.9359
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind618.10.9707
Predominantly Downwind614.00.9772
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore551.91.0872
Cape Doctor Coastal465.01.2904
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7484
Triple Number Coastal/Long Distance Medium1.0355
Triple Number Coastal/Long Distance High1.2118
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.8309
Triple Number Windward/Leeward High1.0168
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7484
Triple Number Coastal/Long Distance Medium1.0355
Triple Number Coastal/Long Distance High1.2118
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.8309
Triple Number Windward/Leeward High1.0168
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Predominantly Upwind618.10.9707
Predominantly Downwind614.00.9772
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance641.10.9359
Triple Number Coastal/Long Distance Low801.70.7484
Triple Number Coastal/Long Distance Medium579.41.0355
Triple Number Coastal/Long Distance High495.11.2118
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium722.10.8309
Triple Number Windward/Leeward High590.11.0168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1770.31185.8868.5697.8595.3541.2505.2455.2438.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP606.70.9890 Predom. Dn High461.31.3006 5B AP M/H503.21.1925 TriNum AP Low801.70.7484 Predom. Rc Low876.60.6845 5B AP High476.41.2594 TriNum AP Med579.51.0354 Predom. Rc L/M635.20.9446 5B SF Bay Low1040.00.5769 TriNum AP High495.11.2118 Predom. Rc Med535.31.1210 5B SF Bay L/M829.50.7233 TriNum W/L Low1108.50.5413 Predom. Rc M/H477.91.2554 5B SF Bay Med678.00.8849 TriNum W/L Med722.10.8309 Predom. Rc High451.41.3291 5B SF Bay M/H588.71.0191 TriNum W/L Hig590.11.0168 5B W/L Low1261.00.4758 5B SF Bay High556.51.0781 Predom. Upwind648.40.9253 5B W/L L/M875.50.6853 ChiMac Up Low823.90.7283 Predom. Reaching585.71.0245 5B W/L Med703.80.8525 ChiMac Up Med725.40.8271 Predom. Downwind649.60.9236 5B W/L M/H601.90.9969 ChiMac Up High612.40.9798 Predom. Up Low961.40.6241 5B W/L High564.21.0635 ChiMac Off Low866.60.6924 Predom. Up L/M699.00.8583 W/L 60-40 Low1248.40.4806 ChiMac Off Med743.00.8076 Predom. Up Med591.51.0145 W/L 60-40 L/M874.40.6862 ChiMac Off High599.11.0014 Predom. Up M/H534.61.1224 W/L 60-40 Med710.20.8448 ChiMac AP Low838.30.7157 Predom. Up High515.91.1631 W/L 60-40 M/H615.90.9742 ChiMac AP Med729.20.8228 Predom. Dn Low1038.80.5776 W/L 60-40 High583.61.0281 ChiMac AP High602.60.9956 Predom. Dn L/M723.20.8297 5B AP Low913.60.6567 BayMac Cove Island981.90.6110 Predom. Dn Med584.41.0267 5B AP L/M680.90.8812 BayMac Shore970.10.6185 Predom. Dn M/H499.81.2006 5B AP Med567.81.0567 Harvest Moon509.11.1784      SA/DSPL Up18.77SA/DSPL Dn18.77
ORC Ref  051800048I9 Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SPLASHDANCEIRL 4073
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.013Maximum beam3.878Draft2.108Displacement8,042Wetted area31.63IMS L10.980LSM010.761Accomod. length12.013Sink (kg/mm) 24.00
VCGD-0.049VCGM0.020 RM Rated (kg·m) 202.7Limit of positive stability(°) 121.6 Stability Index 125.1 BLR index 0.0000Default crew weight764 Declared crew weight 850
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0031
EDL2.800ST10.046ST20.170
ST30.172ST40.098ST50.270
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.210IG15.430ISP15.470MDT10.110MDL10.220MDT20.090MDL20.120TL1.300MW0.220GO0.220
E5.480J4.180BAS1.780FSD0.040SFJ0.200SPLWPLTPS4.660BD0.160MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered204.0Flotation Date01/01/2010
SFFP0.500FFMFF1.523LCFcl6.675SG
SAFP11.550FAMFA1.182LCFsh6.934HBI1.381
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  051800048I9 Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SPLASHDANCEIRL 4073
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0011.001.863.2344.73
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.601.142.244.3813.99NoNo 31.12
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.0 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity150 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity90 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  051800048I9 Issued on 05/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org