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°45.1°43.0°41.5°40.1°39.0°38.6°39.2°40.3°
Beat VMG2.223.244.014.595.045.315.425.485.42
52°3.545.046.086.817.297.567.707.797.80
60°3.855.366.407.087.507.767.928.048.07
75°4.085.596.627.287.677.958.168.448.55
90°3.965.476.547.267.687.988.248.709.03
110°3.354.866.016.917.507.898.218.839.45
120°3.104.565.726.647.317.758.088.729.39
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°146.0°176.6°178.9°179.8°179.8°180.0°179.9°
APH ToD:581.5CDL: 9.861APH ToT: 1.0318CertNo:26076_NS
BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date01/2003Series date01/2002Offset fileDUFOUR40E.offData fileIRL4073
HULL
Length Overall12.013 mMaximum Beam3.878 mDraft2.108 mDisplacement8,042 kgDLR6.4515IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight850 kg(declared)Minimum weight720 kg ✱ 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
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 202.7 kg·m 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  05180004ULJ Issued on 02/07/2026 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 VMG1618.81111.4898.1784.2714.3678.5664.2656.4663.9
52°1017.2714.9592.0528.3493.9476.2467.6461.9461.6
60°936.0671.4562.8508.5480.2464.1454.8447.6446.0
75°882.3644.6543.7494.6469.3453.0440.9426.4421.0
90°908.0657.6550.6496.2468.5450.9436.9413.7398.6
110°1073.2741.4598.7521.3479.9456.3438.7407.8380.9
120°1163.1789.4629.2541.9492.3464.6445.5413.0383.2
135°1366.9908.2705.1595.0526.8486.0461.5427.8397.5
150°1626.11071.3817.8680.7592.2532.5493.7451.0420.1
Run VMG1877.71237.1944.3765.3652.3575.8521.8462.7429.7
Selected Courses
Windward / Leeward1748.31174.2921.2774.7683.3627.1593.0559.5546.8
All purpose1297.9887.5709.3612.4554.3519.5498.3474.1460.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward723.50.8293
All purpose581.51.0318
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7627
Downwind "popa"0.8141
70% up, 30% down "Ilhabela"0.7774
30% up, 70% down "Ilhabela-inverso"0.7979
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Predominantly Upwind615.60.9746
Predominantly Downwind613.20.9785
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP605.20.9914 Predom. Rc High451.11.3301 5B SF Bay L/M825.70.7267 TriNum AP Low798.40.7515 Predom. Dn Low1036.60.5788 5B SF Bay Med675.60.8881 TriNum AP Med578.01.0381 Predom. Dn L/M722.00.8310 5B SF Bay M/H587.61.0212 TriNum AP High494.51.2133 Predom. Dn Med583.71.0279 5B SF Bay High555.51.0802 TriNum W/L Low1103.10.5439 Predom. Dn M/H499.51.2013 5B AP Low910.20.6592 TriNum W/L Med719.50.8339 Predom. Dn High461.11.3013 5B AP L/M678.50.8843 TriNum W/L Hig589.01.0187 ChiMac Up Low818.50.7330 5B AP Med566.41.0593 Predom. Upwind645.50.9294 ChiMac Up Med721.40.8317 5B AP M/H502.51.1940 Predom. Reaching584.41.0267 ChiMac Up High609.90.9837 5B AP High475.91.2609 Predom. Downwind648.70.9249 ChiMac Off Low864.90.6937 5B W/L Low1254.50.4783 Predom. Up Low954.40.6287 ChiMac Off Med741.80.8089 5B W/L L/M871.70.6883 Predom. Up L/M695.20.8630 ChiMac Off High598.41.0026 5B W/L Med701.40.8554 Predom. Up Med589.21.0183 ChiMac AP Low834.90.7187 5B W/L M/H600.70.9988 Predom. Up M/H533.61.1245 ChiMac AP Med726.70.8257 5B W/L High563.11.0655 Predom. Up High515.01.1650 ChiMac AP High601.10.9982 W/L 60-40 Low1240.60.4837 Predom. Rc Low873.20.6872 BayMac Cove Island977.50.6138 W/L 60-40 L/M869.80.6898 Predom. Rc L/M633.50.9471 BayMac Shore965.60.6214 W/L 60-40 Med707.40.8482 Predom. Rc Med534.41.1228 Harvest Moon508.61.1798 W/L 60-40 M/H614.50.9765 Predom. Rc M/H477.51.2565 5B SF Bay Low1034.50.5800 W/L 60-40 High582.31.0304      SA/DSPL Up18.77SA/DSPL Dn18.77
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance639.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating639.20.9386
FinRating, kevyt tuuli1239.70.8067
FinRating, kova tuuli480.11.0415
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9386
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium1.0383
Triple Number Coastal/Long Distance High1.2133
Triple Number Windward/Leeward Low0.5727
Triple Number Windward/Leeward Medium0.8339
Triple Number Windward/Leeward High1.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
For information
General Purpose Handicap (GPH)662.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Saronikos S All Purpose664.90.9024
Saronikos S Upwind730.60.8212
Saronikos S Downwind604.80.9921
Saronikos N All Purpose708.20.8472
Saronikos N Upwind765.70.7836
Saronikos N Downwind681.00.8811
Saronikos SW All Purpose682.50.8791
Saronikos SW Upwind760.30.7892
Saronikos SW Downwind623.10.9629
Saronikos NE All Purpose751.60.7983
Saronikos NE Upwind717.90.8358
Saronikos NE Downwind785.20.7641
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose605.20.9914
5-Band All Purpose Low986.80.6080
5-Band All Purpose L/M704.30.8519
5-Band All Purpose Med584.11.0272
5-Band All Purpose M/H515.01.1650
5-Band All Purpose High486.51.2333
Single Number Predominant Upwind613.70.9777
Single Number Predominant Reaching556.71.0778
Single Number Predominant Downwind614.40.9766
5-Band 50-50 Windward/Leeward Low1254.50.4783
5-Band 50-50 Windward/Leeward L/M871.70.6883
5-Band 50-50 Windward/Leeward Med701.40.8554
5-Band 50-50 Windward/Leeward M/H600.70.9988
5-Band 50-50 Windward/Leeward High563.11.0655
5-Band 60-40 Windward/Leeward Low1240.60.4837
5-Band 60-40 Windward/Leeward L/M869.80.6898
5-Band 60-40 Windward/Leeward Med707.40.8482
5-Band 60-40 Windward/Leeward M/H614.50.9765
5-Band 60-40 Windward/Leeward High582.31.0304
Triple Number 50-50 Windward/Leeward Low1103.10.5439
Triple Number 50-50 Windward/Leeward Med719.70.8337
Triple Number 50-50 Windward/Leeward High589.01.0187
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward729.10.8230
Triple Number 60-40 Windward/Leeward Low1093.40.5487
Triple Number 60-40 Windward/Leeward Med724.60.8281
Triple Number 60-40 Windward/Leeward High604.10.9931
Triple Number All-Purpose Low874.10.6864
Triple Number All-Purpose Med596.61.0057
Triple Number All-Purpose High506.51.1847
Triple Number Predominant Upwind Low861.80.6962
Triple Number Predominant Upwind Med604.20.9931
Triple Number Predominant Upwind High529.91.1324
Triple Number Predominant Reaching Low781.40.7679
Triple Number Predominant Reaching Med553.01.0849
Triple Number Predominant Reaching High461.41.3003
Triple Number Predominant Downwind Low908.70.6603
Triple Number Predominant Downwind Med601.80.9970
Triple Number Predominant Downwind High482.21.2444
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low798.4
Triple Number Coastal/Long Distance Medium577.9
Triple Number Coastal/Long Distance High494.5
Triple Number Windward/Leeward Low1047.7
Triple Number Windward/Leeward Medium719.5
Triple Number Windward/Leeward High589.0
Predominantly Upwind615.6
Predominantly Downwind613.2
Predominantly Reaching574.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium1.0383
Triple Number Coastal/Long Distance High1.2133
Triple Number Windward/Leeward Low0.5727
Triple Number Windward/Leeward Medium0.8339
Triple Number Windward/Leeward High1.0187
Coastal/Long Distance0.9386
Predominantly Upwind0.9746
Predominantly Downwind0.9785
For information
General Purpose Handicap (GPH)662.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0318
Distanseseilas Trippeltall svak vind0.7515
Distanseseilas Trippeltall mellomvind1.0383
Distanseseilas Trippeltall sterk vind1.2133
Pølsebane Trippeltall svak vind0.5727
Pølsebane Trippeltall mellomvind0.8339
Pølsebane Trippeltall sterk vind1.0187
Motvind Singeltall0.9746
Medvind Singeltall0.9785
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Coastal/Long Distance639.20.9386
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind615.60.9746
Predominantly Downwind613.20.9785
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore550.61.0897
Cape Doctor Coastal464.31.2922
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium1.0383
Triple Number Coastal/Long Distance High1.2133
Triple Number Windward/Leeward Low0.5727
Triple Number Windward/Leeward Medium0.8339
Triple Number Windward/Leeward High1.0187
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7515
Triple Number Coastal/Long Distance Medium1.0383
Triple Number Coastal/Long Distance High1.2133
Triple Number Windward/Leeward Low0.5727
Triple Number Windward/Leeward Medium0.8339
Triple Number Windward/Leeward High1.0187
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Predominantly Upwind615.60.9746
Predominantly Downwind613.20.9785
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance639.20.9386
Triple Number Coastal/Long Distance Low798.40.7515
Triple Number Coastal/Long Distance Medium577.91.0383
Triple Number Coastal/Long Distance High494.51.2133
Triple Number Windward/Leeward Low1047.70.5727
Triple Number Windward/Leeward Medium719.50.8339
Triple Number Windward/Leeward High589.01.0187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1761.21180.5865.0695.2593.7540.3504.7454.9438.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP605.20.9914 Predom. Dn High461.11.3013 5B AP M/H502.51.1940 TriNum AP Low798.40.7515 Predom. Rc Low873.20.6872 5B AP High475.91.2609 TriNum AP Med578.01.0381 Predom. Rc L/M633.50.9471 5B SF Bay Low1034.50.5800 TriNum AP High494.51.2133 Predom. Rc Med534.41.1228 5B SF Bay L/M825.70.7267 TriNum W/L Low1103.10.5439 Predom. Rc M/H477.51.2565 5B SF Bay Med675.60.8881 TriNum W/L Med719.50.8339 Predom. Rc High451.11.3301 5B SF Bay M/H587.61.0212 TriNum W/L Hig589.01.0187 5B W/L Low1254.50.4783 5B SF Bay High555.51.0802 Predom. Upwind645.50.9294 5B W/L L/M871.70.6883 ChiMac Up Low818.50.7330 Predom. Reaching584.41.0267 5B W/L Med701.40.8554 ChiMac Up Med721.40.8317 Predom. Downwind648.70.9249 5B W/L M/H600.70.9988 ChiMac Up High609.90.9837 Predom. Up Low954.40.6287 5B W/L High563.11.0655 ChiMac Off Low864.90.6937 Predom. Up L/M695.20.8630 W/L 60-40 Low1240.60.4837 ChiMac Off Med741.80.8089 Predom. Up Med589.21.0183 W/L 60-40 L/M869.80.6898 ChiMac Off High598.41.0026 Predom. Up M/H533.61.1245 W/L 60-40 Med707.40.8482 ChiMac AP Low834.90.7187 Predom. Up High515.01.1650 W/L 60-40 M/H614.50.9765 ChiMac AP Med726.70.8257 Predom. Dn Low1036.60.5788 W/L 60-40 High582.31.0304 ChiMac AP High601.10.9982 Predom. Dn L/M722.00.8310 5B AP Low910.20.6592 BayMac Cove Island977.50.6138 Predom. Dn Med583.71.0279 5B AP L/M678.50.8843 BayMac Shore965.60.6214 Predom. Dn M/H499.51.2013 5B AP Med566.41.0593 Harvest Moon508.61.1798      SA/DSPL Up18.77SA/DSPL Dn18.77
ORC Ref  05180004ULJ Issued on 02/07/2026 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  05180004ULJ Issued on 02/07/2026 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  05180004ULJ Issued on 02/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org