International
Certificate
2023

Boat

LA BURLA NEGRA

ESP-8476

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.9°41.8°40.2°39.0°38.4°38.2°38.4°
Beat VMG3.304.014.534.865.015.085.10
52°5.075.996.586.927.087.167.22
60°5.346.256.787.087.267.367.44
75°5.526.426.937.237.467.647.83
90°5.396.356.947.307.527.758.13
110°5.266.397.067.467.808.108.51
120°5.106.226.967.397.768.108.76
135°4.585.706.567.117.497.868.61
150°3.874.975.906.647.137.488.17
Run VMG3.354.305.125.836.446.957.65
Gybe Angles145.6°149.8°152.9°157.7°168.2°177.2°179.0°

APH: 580.3

CDL: 8.813

GPH: 653.5

CertNo: 847601

BOAT
ClassDUFOUR 34DesignerFelci YachtsBuilderDUFOURAge date04/2004Series date07/2003Offset fileDUF34PERF.offData fileE8476
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.938 mDisplacement5,440 kgDLR6.7752IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight630 kgMinimum weight473 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.9031.56Headsail Luffed33.7033.70Headsail FlyingSymmetric71.8571.85Asymmetric
STORM SAIL AREAS (m²)
Trysail9.30Storm Jib8.75Heavy Weather Jib23.63
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment116.7 kg·mStability Index114.2
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  03510002DHAIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

LA BURLA NEGRA

ESP-8476

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1091.1897.1794.7740.1719.3709.2705.4
52°710.5600.6546.7520.5508.2502.9498.6
60°673.5576.2531.1508.3495.6489.3483.6
75°652.7560.8519.7497.7482.6471.5460.0
90°667.4566.8518.8493.2478.9464.4442.8
110°684.1563.3510.2482.7461.7444.7422.9
120°706.5578.3517.4487.0464.2444.2410.8
135°785.6631.6548.5506.3480.5458.3418.0
150°930.5724.9610.6542.4505.1481.0440.6
Run VMG1074.5837.0703.4617.4558.9517.9470.9
Selected Courses
Windward / Leeward1082.8867.1749.1678.7639.1613.5588.1
All purpose832.3680.2601.5557.6533.1516.5495.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward712.80.8417
All purpose580.31.0340
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7425
Downwind "popa"0.8787
70% up, 30% down "Ilhabela"0.7787
30% up, 70% down "Ilhabela-inverso"0.8328
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Predominantly Upwind625.30.9596
Predominantly Downwind593.41.0111
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low756.20.7934
Triple Number All Purpose Medium576.41.0410
Triple Number All Purpose High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Predominantly Upwind625.30.9596
Predominantly Downwind593.41.0111
Predominantly Upwind Low837.30.7166
Predominantly Upwind Medium642.40.9339
Predominantly Upwind High595.11.0083
Predominantly Downwind Low831.80.7213
Predominantly Downwind Medium589.41.0179
Predominantly Downwind High489.31.2262
Chicago-Mac Upwind0.9412
Chicago-Mac All Purpose0.9637
Chicago-Mac Downwind0.9923
Bayview-Mac Cove Island0.8935
Bayview-Mac Shore0.9041
Victoria-Maui1.0621
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance631.8
Triple Number Coastal/Long Distance Low756.2
Triple Number Coastal/Long Distance Medium576.4
Triple Number Coastal/Long Distance High512.7
Triple Number Windward/Leeward Low975.0
Triple Number Windward/Leeward Medium708.0
Triple Number Windward/Leeward High610.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1702
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low756.2
Triple Number Coastal/Long Distance Medium576.4
Triple Number Coastal/Long Distance High512.7
Triple Number Windward/Leeward Low975.0
Triple Number Windward/Leeward Medium708.0
Triple Number Windward/Leeward High610.4
Predominantly Upwind625.3
Predominantly Downwind593.4
Predominantly Reaching567.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1702
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9830
Coastal/Long Distance0.9496
Predominantly Upwind0.9596
Predominantly Downwind1.0111
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7934
Tretall Distanseseilas Mellomvind1.0410
Tretall Distanseseilas Mye vind1.1702
Tretall Pølsebane Lite vind0.6154
Tretall Pølsebane Mellomvind0.8475
Tretall Pølsebane Mye vind0.9830
Distanseseilas ett tall (OSN 8-16kn)0.9496
Distanseseilas ett tall (APH 6-20kn)1.0340
Enkeltall Motvind0.9596
Enkeltall Medvind1.0111
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Coastal/Long Distance631.80.9496
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind625.30.9596
Predominantly Downwind593.41.0111
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore595.81.0071
Cape Doctor Coastal501.81.1958
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1702
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9830
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0410
Triple Number Coastal/Long Distance High1.1702
Triple Number Windward/Leeward Low0.6154
Triple Number Windward/Leeward Medium0.8475
Triple Number Windward/Leeward High0.9830
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Predominantly Upwind625.30.9596
Predominantly Downwind593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.80.9496
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium576.41.0410
Triple Number Coastal/Long Distance High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1081.9816.0676.4594.6553.3522.1473.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low756.20.7934
Triple Number All Purpose Medium576.41.0410
Triple Number All Purpose High512.71.1702
Triple Number Windward/Leeward Low975.00.6154
Triple Number Windward/Leeward Medium708.00.8475
Triple Number Windward/Leeward High610.40.9830
Predominantly Upwind625.30.9596
Predominantly Downwind593.41.0111
Predominantly Upwind Low837.30.7166
Predominantly Upwind Medium642.40.9339
Predominantly Upwind High595.11.0083
Predominantly Downwind Low831.80.7213
Predominantly Downwind Medium589.41.0179
Predominantly Downwind High489.31.2262
Chicago-Mac Upwind0.9412
Chicago-Mac All Purpose0.9637
Chicago-Mac Downwind0.9923
Bayview-Mac Cove Island0.8935
Bayview-Mac Shore0.9041
Harvest Moon Regatta504.81.1886
Victoria-Maui1.0621
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy600.10.9998
San Francisco Bay Medium702.30.8544
Predominantly Reaching1.0846
Predominantly Reaching Low0.8744
Predominantly Reaching Medium1.0937
Predominantly Reaching High1.2438
Windward/Leeward 60-40 Low978.70.6130
Windward/Leeward 60-40 Medium727.80.8244
Windward/Leeward 60-40 High644.40.9311
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1066.20.5628
5-Band Low / Medium887.90.6757
5-Band Medium694.10.8644
5-Band Medium / High619.10.9692
5-Band High592.51.0126
ORC Ref  03510002DHAIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

LA BURLA NEGRA

ESP-8476

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 34Measurement20/05/2008HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.300Max. Beam3.482Draft1.938Displacement5,440Wetted area23.99IMS L9.484LSM09.294Acc. length10.300Sink (kg/mm) 18.54
VCGD0.080VCGM0.099RM Rated (kg·m) 116.7Limit of positive stability(°) 113.2Stability Index114.2
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.110PIPA0.0037
EDL2.170ST10.065ST20.180
ST30.180ST40.112ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.800IG13.133ISP13.153MDT10.120MDL10.180MDT20.116MDL20.140TL0.770MW0.180GO0.207
E4.500J3.730BAS1.653FSD0.035SFJ0.150SPL3.830WPLTPSBD0.135MWT132.60MCG4.910
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date22/01/2022MeasurerESP 24Comment
SFFP0.390FFM1.300FF1.299LCFcl5.774SG1.0250
SAFP9.636FAM1.030FA1.031LCFsh6.022HBI1.120
W180.0W280.0W380.0W480.0LCFD
PD1240.5PD2239.7PD3242.4PD4241.5
WD4.400PLM9000.00GSA1.0RSA1.0RM115.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1agua en proa001.751gasoil0.90009058.844aguas negras8008.84Total deductible58.84
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery3 baterias00.00Total deductible0
ORC Ref  03510002DHAIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

LA BURLA NEGRA

ESP-8476

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.160.921.662.793.6930.9001/04/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0030.050.641.272.603.975.3512.78NoNo 33.700040.080.631.202.413.715.0512.94NoNo 32.0321/02/2023osp4577-001
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment00312.8812.8812.886.756.4771.8520/07/2021S-0,500112.8012.8012.806.606.5470.2700212.8212.8212.826.526.4069.40
ORC Ref  03510002DHAIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org