Club
Certificate
2023

Boat

TWIKI

GBR-4626_C

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 Angles44.2°41.8°40.6°39.9°39.4°39.0°39.0°
Beat VMG3.614.384.905.165.295.365.41
52°5.566.577.177.467.597.677.74
60°5.886.857.417.697.827.907.98
75°6.127.057.587.898.098.228.38
90°6.027.007.587.938.218.448.77
110°5.736.937.658.098.478.819.26
120°5.546.757.548.028.438.849.63
135°4.946.167.107.718.138.549.41
150°4.165.326.297.047.547.908.52
Run VMG3.604.615.456.106.537.087.92
Gybe Angles143.3°147.5°148.0°148.7°150.5°173.6°177.2°

APH: 540.3

CDL: 10.073

GPH: 606.3

CertNo: 462601

BOAT
ClassDUFOUR 40 EDesignerFELCIBuilderDUFOURAge date02/2005Series date07/2004Offset fileDUFOUR40E.offData fileGBR4626_C
HULL
Length Overall11.990 mMaximum Beam3.878 mDraft2.123 mDisplacement8,365 kgDLR6.5282IMS DivisionCruiser/RacerDynamic Allowance0.170%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.300m
CREW
Maximum weight620 kgMinimum weight465 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.6150.02Headsail Luffed47.9147.91Headsail FlyingSymmetricAsymmetric94.6494.64 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.86Storm Jib10.30Heavy Weather Jib27.80
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
MEDIDAS ESTIMADAS
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  03510002OSHIssued on 21/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

TWIKI

GBR-4626_C

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 VMG997.6821.1734.6697.9680.3671.1665.9
52°647.8548.3501.8482.3474.1469.4465.1
60°612.2525.5486.1468.2460.5455.7450.9
75°588.3510.7475.1456.6444.9438.0429.6
90°597.9514.2475.1453.8438.5426.3410.5
110°628.0519.2470.4444.8425.0408.7388.8
120°650.4533.7477.7449.0427.1407.5373.8
135°729.0584.5507.1467.2442.6421.3382.6
150°865.0676.7572.5511.4477.4455.9422.5
Run VMG998.8781.3661.1590.5551.1508.5454.6
Selected Courses
Windward / Leeward998.2801.2697.8644.2615.7589.8560.3
All purpose763.3625.8556.4521.1500.9485.0464.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward673.00.8915
All purpose540.31.1106
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7972
Downwind "popa"0.9239
70% up, 30% down "Ilhabela"0.8314
30% up, 70% down "Ilhabela-inverso"0.8819
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Predominantly Upwind580.81.0331
Predominantly Downwind553.71.0836
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low694.50.8639
Triple Number All Purpose Medium536.51.1183
Triple Number All Purpose High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Predominantly Upwind580.81.0331
Predominantly Downwind553.71.0836
Predominantly Upwind Low767.10.7822
Predominantly Upwind Medium597.41.0044
Predominantly Upwind High559.11.0731
Predominantly Downwind Low769.20.7800
Predominantly Downwind Medium553.71.0837
Predominantly Downwind High464.81.2909
Chicago-Mac Upwind1.0148
Chicago-Mac All Purpose1.0374
Chicago-Mac Downwind1.0643
Bayview-Mac Cove Island0.9681
Bayview-Mac Shore0.9801
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching511.51.1731
Predominantly Reaching Low628.40.9549
Predominantly Reaching Medium506.71.1841
Predominantly Reaching High447.41.3412
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low983.00.6104
5-Band Low / Medium822.30.7297
5-Band Medium656.90.9133
5-Band Medium / High593.81.0104
5-Band High565.41.0613
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance589.7
Triple Number Coastal/Long Distance Low694.5
Triple Number Coastal/Long Distance Medium536.5
Triple Number Coastal/Long Distance High481.4
Triple Number Windward/Leeward Low899.7
Triple Number Windward/Leeward Medium668.0
Triple Number Windward/Leeward High585.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.1183
Triple Number Coastal/Long Distance High1.2463
Triple Number Windward/Leeward Low0.6669
Triple Number Windward/Leeward Medium0.8982
Triple Number Windward/Leeward High1.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low694.5
Triple Number Coastal/Long Distance Medium536.5
Triple Number Coastal/Long Distance High481.4
Triple Number Windward/Leeward Low899.7
Triple Number Windward/Leeward Medium668.0
Triple Number Windward/Leeward High585.2
Predominantly Upwind580.8
Predominantly Downwind553.7
Predominantly Reaching526.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.1183
Triple Number Coastal/Long Distance High1.2463
Triple Number Windward/Leeward Low0.6669
Triple Number Windward/Leeward Medium0.8982
Triple Number Windward/Leeward High1.0253
Coastal/Long Distance1.0175
Predominantly Upwind1.0331
Predominantly Downwind1.0836
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8639
Tretall Distanseseilas Mellomvind1.1183
Tretall Distanseseilas Mye vind1.2463
Tretall Pølsebane Lite vind0.6669
Tretall Pølsebane Mellomvind0.8982
Tretall Pølsebane Mye vind1.0253
Distanseseilas ett tall (OSN 8-16kn)1.0175
Distanseseilas ett tall (APH 6-20kn)1.1106
Enkeltall Motvind1.0331
Enkeltall Medvind1.0836
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Coastal/Long Distance589.71.0175
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind580.81.0331
Predominantly Downwind553.71.0836
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore569.11.0543
Cape Doctor Coastal470.91.2741
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.1183
Triple Number Coastal/Long Distance High1.2463
Triple Number Windward/Leeward Low0.6669
Triple Number Windward/Leeward Medium0.8982
Triple Number Windward/Leeward High1.0253
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.1183
Triple Number Coastal/Long Distance High1.2463
Triple Number Windward/Leeward Low0.6669
Triple Number Windward/Leeward Medium0.8982
Triple Number Windward/Leeward High1.0253
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Predominantly Upwind580.81.0331
Predominantly Downwind553.71.0836
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.71.0175
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium536.51.1183
Triple Number Coastal/Long Distance High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance998.2753.5628.2557.6520.7490.0442.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low694.50.8639
Triple Number All Purpose Medium536.51.1183
Triple Number All Purpose High481.41.2463
Triple Number Windward/Leeward Low899.70.6669
Triple Number Windward/Leeward Medium668.00.8982
Triple Number Windward/Leeward High585.21.0253
Predominantly Upwind580.81.0331
Predominantly Downwind553.71.0836
Predominantly Upwind Low767.10.7822
Predominantly Upwind Medium597.41.0044
Predominantly Upwind High559.11.0731
Predominantly Downwind Low769.20.7800
Predominantly Downwind Medium553.71.0837
Predominantly Downwind High464.81.2909
Chicago-Mac Upwind1.0148
Chicago-Mac All Purpose1.0374
Chicago-Mac Downwind1.0643
Bayview-Mac Cove Island0.9681
Bayview-Mac Shore0.9801
Harvest Moon Regatta468.61.2804
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy569.81.0530
San Francisco Bay Medium656.60.9139
Predominantly Reaching511.51.1731
Predominantly Reaching Low628.40.9549
Predominantly Reaching Medium506.71.1841
Predominantly Reaching High447.41.3412
Windward/Leeward 60-40 Low901.60.6655
Windward/Leeward 60-40 Medium684.40.8767
Windward/Leeward 60-40 High614.50.9764
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low983.00.6104
5-Band Low / Medium822.30.7297
5-Band Medium656.90.9133
5-Band Medium / High593.81.0104
5-Band High565.41.0613
ORC Ref  03510002OSHIssued on 21/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

TWIKI

GBR-4626_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40 EMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.990Max. Beam3.878Draft2.123Displacement8,365Wetted area32.04IMS L10.989LSM010.861Acc. length12.013Sink (kg/mm) 24.20
VCGD0.003VCGM0.059RM Rated (kg·m) 198.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0040
EDL2.700ST10.065ST20.180
ST30.180ST40.110ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.400IG14.350ISP15.000MDT10.100MDL10.110MDT2MDL2TLMWGO
E5.500J4.160BAS1.830FSD0.040SFJ0.345SPLWPLTPS4.800BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered200.0Flotation Date01/01/2010MeasurerComment
SFFP0.500FFMFF1.488LCFcl6.642SG
SAFP11.550FAMFA1.186LCFsh6.901HBI1.355
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002OSHIssued on 21/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

TWIKI

GBR-4626_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment148.6119/04/2005
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment16.30NoNo 47.91
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment114.79NaN94.64
ORC Ref  03510002OSHIssued on 21/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org