International
Certificate
Double Handed
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 Angles43.0°41.4°40.6°40.0°40.0°40.0°40.6°
Beat VMG3.334.024.464.664.754.784.74
52°5.075.986.536.796.896.956.96
60°5.336.226.747.007.127.187.22
75°5.526.396.917.207.397.507.62
90°5.426.356.917.257.507.718.00
110°5.286.387.047.437.757.978.28
120°5.136.256.967.407.768.108.63
135°4.625.756.607.147.537.918.69
150°3.905.005.946.677.167.538.26
Run VMG3.384.335.165.876.476.987.70
Gybe Angles145.1°149.6°152.9°157.7°168.2°177.2°179.0°

APH: 586.8

CDL: 8.413

GPH: 658.3

CertNo: 8476R1

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 weight190 kgMinimum weight120 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 Index118.1
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  03510002N1MIssued on 29/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
Double Handed
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 VMG1081.2896.1807.5772.2758.2753.0758.8
52°710.0602.5551.7530.3522.3518.3517.0
60°675.0578.9534.0514.0505.7501.3498.5
75°652.3563.2521.3500.2487.4479.9472.5
90°663.7567.3521.3496.9480.1467.2449.9
110°681.5564.3511.4484.2464.7451.6435.0
120°701.6576.3517.0486.6463.9444.6417.2
135°779.1626.6545.7504.4477.9455.0414.4
150°923.2719.7606.2539.4502.6477.9435.8
Run VMG1066.0831.0698.2613.5556.1515.7467.7
Selected Courses
Windward / Leeward1073.6863.6752.9692.8657.1634.4613.2
All purpose827.0678.9604.1565.6543.2528.7511.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward724.00.8287
All purpose586.81.0224
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7208
Downwind "popa"0.8845
70% up, 30% down "Ilhabela"0.7632
30% up, 70% down "Ilhabela-inverso"0.8281
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Predominantly Upwind635.80.9437
Predominantly Downwind593.91.0102
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low752.90.7969
Triple Number All Purpose Medium582.31.0304
Triple Number All Purpose High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Predominantly Upwind635.80.9437
Predominantly Downwind593.91.0102
Predominantly Upwind Low833.70.7197
Predominantly Upwind Medium656.90.9134
Predominantly Upwind High622.80.9633
Predominantly Downwind Low826.50.7259
Predominantly Downwind Medium588.01.0205
Predominantly Downwind High489.41.2259
Chicago-Mac Upwind0.9269
Chicago-Mac All Purpose0.9567
Chicago-Mac Downwind0.9919
Bayview-Mac Cove Island0.8921
Bayview-Mac Shore0.9008
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching556.61.0780
Predominantly Reaching Low683.30.8781
Predominantly Reaching Medium550.61.0897
Predominantly Reaching High487.81.2299
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1057.40.5674
5-Band Low / Medium885.70.6775
5-Band Medium706.10.8497
5-Band Medium / High639.60.9381
5-Band High616.90.9726
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance638.7
Triple Number Coastal/Long Distance Low752.9
Triple Number Coastal/Long Distance Medium582.3
Triple Number Coastal/Long Distance High525.9
Triple Number Windward/Leeward Low968.5
Triple Number Windward/Leeward Medium718.1
Triple Number Windward/Leeward High632.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7969
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1409
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.8355
Triple Number Windward/Leeward High0.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low752.9
Triple Number Coastal/Long Distance Medium582.3
Triple Number Coastal/Long Distance High525.9
Triple Number Windward/Leeward Low968.5
Triple Number Windward/Leeward Medium718.1
Triple Number Windward/Leeward High632.1
Predominantly Upwind635.8
Predominantly Downwind593.9
Predominantly Reaching569.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7969
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1409
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.8355
Triple Number Windward/Leeward High0.9492
Coastal/Long Distance0.9394
Predominantly Upwind0.9437
Predominantly Downwind1.0102
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7969
Tretall Distanseseilas Mellomvind1.0304
Tretall Distanseseilas Mye vind1.1409
Tretall Pølsebane Lite vind0.6195
Tretall Pølsebane Mellomvind0.8355
Tretall Pølsebane Mye vind0.9492
Distanseseilas ett tall (OSN 8-16kn)0.9394
Distanseseilas ett tall (APH 6-20kn)1.0224
Enkeltall Motvind0.9437
Enkeltall Medvind1.0102
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Coastal/Long Distance638.70.9394
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind635.80.9437
Predominantly Downwind593.91.0102
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore619.60.9684
Cape Doctor Coastal516.71.1613
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7969
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1409
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.8355
Triple Number Windward/Leeward High0.9492
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7969
Triple Number Coastal/Long Distance Medium1.0304
Triple Number Coastal/Long Distance High1.1409
Triple Number Windward/Leeward Low0.6195
Triple Number Windward/Leeward Medium0.8355
Triple Number Windward/Leeward High0.9492
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Predominantly Upwind635.80.9437
Predominantly Downwind593.91.0102
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance638.70.9394
Triple Number Coastal/Long Distance Low752.90.7969
Triple Number Coastal/Long Distance Medium582.31.0304
Triple Number Coastal/Long Distance High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.8813.0679.5604.4564.1533.1485.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low752.90.7969
Triple Number All Purpose Medium582.31.0304
Triple Number All Purpose High525.91.1409
Triple Number Windward/Leeward Low968.50.6195
Triple Number Windward/Leeward Medium718.10.8355
Triple Number Windward/Leeward High632.10.9492
Predominantly Upwind635.80.9437
Predominantly Downwind593.91.0102
Predominantly Upwind Low833.70.7197
Predominantly Upwind Medium656.90.9134
Predominantly Upwind High622.80.9633
Predominantly Downwind Low826.50.7259
Predominantly Downwind Medium588.01.0205
Predominantly Downwind High489.41.2259
Chicago-Mac Upwind0.9269
Chicago-Mac All Purpose0.9567
Chicago-Mac Downwind0.9919
Bayview-Mac Cove Island0.8921
Bayview-Mac Shore0.9008
Harvest Moon Regatta506.51.1846
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy621.50.9654
San Francisco Bay Medium711.30.8435
Predominantly Reaching556.61.0780
Predominantly Reaching Low683.30.8781
Predominantly Reaching Medium550.61.0897
Predominantly Reaching High487.81.2299
Windward/Leeward 60-40 Low972.60.6169
Windward/Leeward 60-40 Medium742.90.8077
Windward/Leeward 60-40 High674.40.8897
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1057.40.5674
5-Band Low / Medium885.70.6775
5-Band Medium706.10.8497
5-Band Medium / High639.60.9381
5-Band High616.90.9726
ORC Ref  03510002N1MIssued on 29/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
Double Handed
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 L9.347LSM09.294Acc. length10.300Sink (kg/mm) 18.54
VCGD0.080VCGM0.099RM Rated (kg·m) 116.7Limit of positive stability(°) 117.1Stability Index118.1
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  03510002N1MIssued on 29/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
Double Handed
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  03510002N1MIssued on 29/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org