Club Certificate2026
THYRA IIESP-10314_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 Angles47.0°44.3°42.0°40.8°39.5°38.8°38.5°38.9°40.1°
Beat VMG2.263.233.934.454.804.985.055.054.95
52°3.574.975.906.526.887.077.157.207.18
60°3.865.266.166.737.067.257.357.437.44
75°4.095.466.366.897.217.447.617.807.88
90°3.975.366.427.057.407.627.758.098.34
110°3.875.426.537.157.537.888.208.709.02
120°3.735.256.367.047.457.818.188.929.57
135°3.244.695.836.697.217.597.978.779.72
150°2.694.005.116.066.787.247.608.339.17
Run VMG2.333.464.435.265.986.577.027.708.38
Gybe Angles142.0°145.8°150.1°153.0°158.8°165.5°171.8°177.2°175.9°
APH ToD:578.0CDL: 8.693APH ToT: 1.0381CertNo:103141
BOAT
ClassDUFOUR 34DesignerFelci YachtsBuilderDUFOURAge date06/2004Series date07/2002Offset fileDUF34PERF.offData fileE10314_C
HULL
Length Overall10.300Maximum Beam3.482Draft1.942Displacement5,509DLR6.7413IMS DivisionCruiser/RacerDynamic Allowance0.300%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.412m
CREW
Maximum weight400(declared)Minimum weight270 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.7131.17Headsail Luffed32.9532.95Headsail FlyingSymmetric81.3981.39Asymmetric71.1671.16 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.70Storm Jib8.69Heavy Weather Jib23.47
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 128.9 Stability Index 122.8
COMMENTS
CAMBIO DE MASTIL.2023
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  03510004B7P Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
THYRA IIESP-10314_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 VMG1596.41115.4915.6809.3749.9723.5713.5712.4727.8
52°1008.5724.8610.7552.4523.5509.5503.5500.0501.5
60°931.5685.1584.0535.0510.3496.8489.5484.8484.1
75°881.0659.2566.1522.5499.3484.2473.4461.8456.6
90°907.6671.4561.0510.8486.5472.6464.3444.9431.8
110°929.5663.8551.7503.7477.8457.0438.9414.0399.2
120°964.9685.8566.2511.6483.2460.8440.2403.5376.2
135°1112.7767.4617.3538.4499.2474.2451.8410.4370.3
150°1335.9900.8703.9594.4531.1497.1473.8432.1392.4
Run VMG1542.51040.2812.7684.1601.8548.0512.7467.4429.8
Selected Courses
Windward / Leeward1569.51077.8864.1746.7675.9635.8613.1589.9578.8
All purpose1180.5829.0677.7599.3555.4530.5514.8494.2481.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward710.40.8446
All purpose578.01.0381
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7318
Downwind "popa"0.8999
70% up, 30% down "Ilhabela"0.7752
30% up, 70% down "Ilhabela-inverso"0.8419
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Predominantly Upwind627.20.9566
Predominantly Downwind586.01.0239
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP602.20.9963 Predom. Rc High469.31.2785 5B SF Bay L/M788.70.7607 TriNum AP Low753.30.7965 Predom. Dn Low917.00.6543 5B SF Bay Med669.10.8967 TriNum AP Med574.11.0452 Predom. Dn L/M666.60.9001 5B SF Bay M/H604.80.9920 TriNum AP High511.01.1741 Predom. Dn Med563.51.0648 5B SF Bay High580.91.0329 TriNum W/L Low1019.10.5888 Predom. Dn M/H502.51.1940 5B AP Low838.20.7158 TriNum W/L Med705.10.8509 Predom. Dn High468.81.2798 5B AP L/M654.30.9170 TriNum W/L Hig610.10.9835 ChiMac Up Low805.20.7452 5B AP Med565.41.0613 Predom. Upwind655.60.9152 ChiMac Up Med721.20.8319 5B AP M/H517.41.1597 Predom. Reaching577.61.0387 ChiMac Up High625.40.9594 5B AP High495.61.2107 Predom. Downwind614.50.9764 ChiMac Off Low782.30.7670 5B W/L Low1147.30.5230 Predom. Up Low924.20.6492 ChiMac Off Med686.70.8737 5B W/L L/M826.40.7260 Predom. Up L/M693.80.8648 ChiMac Off High574.81.0439 5B W/L Med691.40.8678 Predom. Up Med604.90.9918 ChiMac AP Low789.70.7597 5B W/L M/H618.30.9704 Predom. Up M/H562.61.0665 ChiMac AP Med701.10.8558 5B W/L High592.01.0135 Predom. Up High548.71.0934 ChiMac AP High598.31.0029 W/L 60-40 Low1155.00.5195 Predom. Rc Low817.30.7342 BayMac Cove Island911.90.6580 W/L 60-40 L/M837.80.7162 Predom. Rc L/M614.00.9772 BayMac Shore904.50.6633 W/L 60-40 Med706.40.8494 Predom. Rc Med535.51.1204 Harvest Moon507.51.1822 W/L 60-40 M/H638.20.9401 Predom. Rc M/H493.11.2168 5B SF Bay Low964.60.6220 W/L 60-40 High616.60.9730      SA/DSPL Up20.29SA/DSPL Dn35.74
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance629.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating629.50.9532
FinRating, kevyt tuuli1130.00.8850
FinRating, kova tuuli498.61.0027
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9532
Triple Number Coastal/Long Distance Low0.7965
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.1741
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
For information
General Purpose Handicap (GPH)651.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Saronikos S All_Purpose665.60.9014
Saronikos S Upwind752.60.7973
Saronikos S Downwind561.01.0695
Saronikos N All_Purpose665.60.9014
Saronikos N Upwind786.90.7625
Saronikos N Downwind613.60.9779
Saronikos SW All_Purpose673.90.8904
Saronikos SW Upwind776.60.7726
Saronikos SW Downwind570.71.0513
Saronikos NE All_Purpose725.20.8273
Saronikos NE Upwind737.70.8134
Saronikos NE Downwind692.40.8665
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose602.20.9963
5-Band All-Purpose Low916.20.6549
5-Band All-Purpose L/M677.90.8851
5-Band All-Purpose Med582.91.0294
5-Band All-Purpose M/H531.81.1282
5-Band All-Purpose High508.31.1804
Single Number Predominant Upwind626.10.9584
Single Number Predominant Reaching553.61.0839
Single Number Predominant Downwind586.51.0230
5-Band 50-50 Windward/Leeward Low1147.30.5230
5-Band 50-50 Windward/Leeward L/M826.40.7260
5-Band 50-50 Windward/Leeward Med691.40.8678
5-Band 50-50 Windward/Leeward M/H618.30.9704
5-Band 50-50 Windward/Leeward High592.01.0135
5-Band 60-40 Windward/Leeward Low1155.00.5195
5-Band 60-40 Windward/Leeward L/M837.80.7162
5-Band 60-40 Windward/Leeward Med706.40.8494
5-Band 60-40 Windward/Leeward M/H638.20.9401
5-Band 60-40 Windward/Leeward High616.60.9730
Triple Number 50-50 Windward/Leeward Low1019.10.5888
Triple Number 50-50 Windward/Leeward Med705.30.8508
Triple Number 50-50 Windward/Leeward High610.10.9835
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward725.50.8271
Triple Number 60-40 Windward/Leeward Low1027.80.5837
Triple Number 60-40 Windward/Leeward Med719.60.8338
Triple Number 60-40 Windward/Leeward High631.20.9506
Triple Number All-Purpose Low820.20.7315
Triple Number All-Purpose Med592.21.0133
Triple Number All-Purpose High525.01.1429
Triple Number Predominant Upwind Low838.10.7159
Triple Number Predominant Upwind Med616.40.9733
Triple Number Predominant Upwind High563.51.0648
Triple Number Predominant Reaching Low739.70.8111
Triple Number Predominant Reaching Med552.11.0868
Triple Number Predominant Reaching High477.91.2555
Triple Number Predominant Downwind Low815.80.7355
Triple Number Predominant Downwind Med574.01.0453
Triple Number Predominant Downwind High483.71.2404
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low753.3
Triple Number Coastal/Long Distance Medium574.0
Triple Number Coastal/Long Distance High511.0
Triple Number Windward/Leeward Low971.0
Triple Number Windward/Leeward Medium705.1
Triple Number Windward/Leeward High610.1
Predominantly Upwind627.2
Predominantly Downwind586.0
Predominantly Reaching562.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7965
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.1741
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9835
Coastal/Long Distance0.9532
Predominantly Upwind0.9566
Predominantly Downwind1.0239
For information
General Purpose Handicap (GPH)651.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0381
Distanseseilas Trippeltall svak vind0.7965
Distanseseilas Trippeltall mellomvind1.0453
Distanseseilas Trippeltall sterk vind1.1741
Pølsebane Trippeltall svak vind0.6179
Pølsebane Trippeltall mellomvind0.8509
Pølsebane Trippeltall sterk vind0.9835
Motvind Singeltall0.9566
Medvind Singeltall1.0239
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Coastal/Long Distance629.50.9532
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind627.20.9566
Predominantly Downwind586.01.0239
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore582.11.0307
Cape Doctor Coastal485.31.2363
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7965
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.1741
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9835
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7965
Triple Number Coastal/Long Distance Medium1.0453
Triple Number Coastal/Long Distance High1.1741
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8509
Triple Number Windward/Leeward High0.9835
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Predominantly Upwind627.20.9566
Predominantly Downwind586.01.0239
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance629.50.9532
Triple Number Coastal/Long Distance Low753.30.7965
Triple Number Coastal/Long Distance Medium574.01.0453
Triple Number Coastal/Long Distance High511.01.1741
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium705.10.8509
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.81074.0812.1673.8592.6550.6520.6472.2456.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP602.20.9963 Predom. Dn High468.81.2798 5B AP M/H517.41.1597 TriNum AP Low753.30.7965 Predom. Rc Low817.30.7342 5B AP High495.61.2107 TriNum AP Med574.11.0452 Predom. Rc L/M614.00.9772 5B SF Bay Low964.60.6220 TriNum AP High511.01.1741 Predom. Rc Med535.51.1204 5B SF Bay L/M788.70.7607 TriNum W/L Low1019.10.5888 Predom. Rc M/H493.11.2168 5B SF Bay Med669.10.8967 TriNum W/L Med705.10.8509 Predom. Rc High469.31.2785 5B SF Bay M/H604.80.9920 TriNum W/L Hig610.10.9835 5B W/L Low1147.30.5230 5B SF Bay High580.91.0329 Predom. Upwind655.60.9152 5B W/L L/M826.40.7260 ChiMac Up Low805.20.7452 Predom. Reaching577.61.0387 5B W/L Med691.40.8678 ChiMac Up Med721.20.8319 Predom. Downwind614.50.9764 5B W/L M/H618.30.9704 ChiMac Up High625.40.9594 Predom. Up Low924.20.6492 5B W/L High592.01.0135 ChiMac Off Low782.30.7670 Predom. Up L/M693.80.8648 W/L 60-40 Low1155.00.5195 ChiMac Off Med686.70.8737 Predom. Up Med604.90.9918 W/L 60-40 L/M837.80.7162 ChiMac Off High574.81.0439 Predom. Up M/H562.61.0665 W/L 60-40 Med706.40.8494 ChiMac AP Low789.70.7597 Predom. Up High548.71.0934 W/L 60-40 M/H638.20.9401 ChiMac AP Med701.10.8558 Predom. Dn Low917.00.6543 W/L 60-40 High616.60.9730 ChiMac AP High598.31.0029 Predom. Dn L/M666.60.9001 5B AP Low838.20.7158 BayMac Cove Island911.90.6580 Predom. Dn Med563.51.0648 5B AP L/M654.30.9170 BayMac Shore904.50.6633 Predom. Dn M/H502.51.1940 5B AP Med565.41.0613 Harvest Moon507.51.1822      SA/DSPL Up20.29SA/DSPL Dn35.74
ORC Ref  03510004B7P Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
THYRA IIESP-10314_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 34Measurement05/03/2017HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.300Maximum beam3.482Draft1.942Displacement5,509Wetted area24.08IMS L9.456LSM09.348Accomod. length10.300Sink (kg/mm) 18.56
VCGD-0.044VCGM-0.029 RM Rated (kg·m) 128.9Limit of positive stability(°) 121.6 Stability Index 122.8 BLR index 0.0000Default crew weight625 Declared crew weight 400
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.412PBW0.111PIPA0.0031
EDL2.200ST10.046ST20.170
ST30.170ST40.098ST50.285
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.890IG13.120ISP13.860MDT10.120MDL10.180MDT20.120MDL20.141TL0.250MW0.180GO0.198
E4.660J3.745BAS1.640FSD0.037SFJ0.145SPL3.890WPLTPS3.810BD0.131MWT131.30MCG4.801
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered130.0Flotation Date01/01/2010
SFFP0.390FFMFF1.281LCFcl5.745SG
SAFP9.636FAMFA1.038LCFsh5.993HBI1.111
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510004B7P Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
THYRA IIESP-10314_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-20.130.821.532.753.6630.7123/12/2016M-10.070.771.442.613.6129.8217/05/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentNEW0.060.661.282.603.975.4212.42NoNo 32.9506/02/2019J-00.060.581.152.393.715.0712.20NoNo 30.0023/05/2016J-10.060.551.082.073.054.0412.33YesNo 25.3517/05/2016
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment202513.7613.7613.767.166.8581.3930/03/2025ROJOS-112.6512.6512.656.946.7372.72
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA-113.0512.2012.636.707.0295%71.1617/05/2016
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  03510004B7P Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org