Club
Certificate
2023

Boat

FATHER & SON

ESP-5109_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 Angles43.9°41.8°40.6°39.4°39.0°38.8°39.6°
Beat VMG3.444.214.765.105.255.335.36
52°5.306.306.987.347.527.617.68
60°5.616.597.217.557.747.847.94
75°5.836.797.387.737.978.168.36
90°5.726.737.407.788.048.298.70
110°5.626.817.547.988.358.669.06
120°5.446.647.447.928.318.699.41
135°4.886.066.987.608.038.439.26
150°4.105.246.237.047.608.008.77
Run VMG3.554.545.406.166.817.378.16
Gybe Angles144.2°148.7°152.3°156.1°164.6°175.4°179.0°

APH: 547.7

CDL: 9.847

GPH: 617.3

CertNo: 510901

BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date04/2008Series date02/2002Offset fileDUFOUR40.offData fileE5109_C
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.062 mDisplacement7,672 kgDLR6.6617IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.300m
CREW
Maximum weight550 kgMinimum weight413 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.1244.92Headsail Luffed38.3638.36Headsail FlyingSymmetric93.2293.22Asymmetric
STORM SAIL AREAS (m²)
Trysail13.35Storm Jib11.55Heavy Weather Jib31.18
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  03510002SLEIssued on 22/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

FATHER & SON

ESP-5109_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 VMG1045.0855.5755.9705.7685.5675.5671.3
52°679.1571.3516.1490.3478.5473.0468.6
60°641.7546.4499.7476.8464.9458.9453.5
75°617.3529.8488.0465.8451.5441.3430.5
90°629.1535.2486.5462.6448.0434.2413.8
110°640.4528.5477.4450.9431.2415.5397.5
120°661.2542.0484.2454.5433.0414.2382.8
135°737.7594.1515.5474.0448.5427.0389.0
150°878.8686.4577.9511.6473.9449.8410.6
Run VMG1014.8792.6666.1584.4528.8488.2440.9
Selected Courses
Windward / Leeward1029.9824.1711.0645.0607.2581.9556.1
All purpose789.0644.3568.0526.2502.3486.1466.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward677.00.8862
All purpose547.71.0955
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7786
Downwind "popa"0.9301
70% up, 30% down "Ilhabela"0.8186
30% up, 70% down "Ilhabela-inverso"0.8788
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Predominantly Upwind592.11.0133
Predominantly Downwind559.71.0720
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low716.60.8373
Triple Number All Purpose Medium544.01.1029
Triple Number All Purpose High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Predominantly Upwind592.11.0133
Predominantly Downwind559.71.0720
Predominantly Upwind Low797.00.7528
Predominantly Upwind Medium609.00.9852
Predominantly Upwind High563.31.0652
Predominantly Downwind Low786.90.7624
Predominantly Downwind Medium555.81.0795
Predominantly Downwind High459.11.3069
Chicago-Mac Upwind0.9940
Chicago-Mac All Purpose1.0198
Chicago-Mac Downwind1.0520
Bayview-Mac Cove Island0.9446
Bayview-Mac Shore0.9554
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching521.11.1515
Predominantly Reaching Low648.60.9251
Predominantly Reaching Medium516.31.1622
Predominantly Reaching High451.91.3276
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1014.10.5917
5-Band Low / Medium843.90.7109
5-Band Medium659.40.9100
5-Band Medium / High587.11.0219
5-Band High560.61.0704
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance597.5
Triple Number Coastal/Long Distance Low716.6
Triple Number Coastal/Long Distance Medium544.0
Triple Number Coastal/Long Distance High482.6
Triple Number Windward/Leeward Low926.9
Triple Number Windward/Leeward Medium672.5
Triple Number Windward/Leeward High578.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8373
Triple Number Coastal/Long Distance Medium1.1029
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8922
Triple Number Windward/Leeward High1.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low716.6
Triple Number Coastal/Long Distance Medium544.0
Triple Number Coastal/Long Distance High482.6
Triple Number Windward/Leeward Low926.9
Triple Number Windward/Leeward Medium672.5
Triple Number Windward/Leeward High578.5
Predominantly Upwind592.1
Predominantly Downwind559.7
Predominantly Reaching535.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8373
Triple Number Coastal/Long Distance Medium1.1029
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8922
Triple Number Windward/Leeward High1.0371
Coastal/Long Distance1.0042
Predominantly Upwind1.0133
Predominantly Downwind1.0720
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8373
Tretall Distanseseilas Mellomvind1.1029
Tretall Distanseseilas Mye vind1.2433
Tretall Pølsebane Lite vind0.6473
Tretall Pølsebane Mellomvind0.8922
Tretall Pølsebane Mye vind1.0371
Distanseseilas ett tall (OSN 8-16kn)1.0042
Distanseseilas ett tall (APH 6-20kn)1.0955
Enkeltall Motvind1.0133
Enkeltall Medvind1.0720
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Coastal/Long Distance597.51.0042
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind592.11.0133
Predominantly Downwind559.71.0720
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore563.81.0641
Cape Doctor Coastal472.01.2712
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8373
Triple Number Coastal/Long Distance Medium1.1029
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8922
Triple Number Windward/Leeward High1.0371
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8373
Triple Number Coastal/Long Distance Medium1.1029
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8922
Triple Number Windward/Leeward High1.0371
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Predominantly Upwind592.11.0133
Predominantly Downwind559.71.0720
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low716.60.8373
Triple Number Coastal/Long Distance Medium544.01.1029
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1028.4774.8640.4562.1521.7491.1444.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low716.60.8373
Triple Number All Purpose Medium544.01.1029
Triple Number All Purpose High482.61.2433
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium672.50.8922
Triple Number Windward/Leeward High578.51.0371
Predominantly Upwind592.11.0133
Predominantly Downwind559.71.0720
Predominantly Upwind Low797.00.7528
Predominantly Upwind Medium609.00.9852
Predominantly Upwind High563.31.0652
Predominantly Downwind Low786.90.7624
Predominantly Downwind Medium555.81.0795
Predominantly Downwind High459.11.3069
Chicago-Mac Upwind0.9940
Chicago-Mac All Purpose1.0198
Chicago-Mac Downwind1.0520
Bayview-Mac Cove Island0.9446
Bayview-Mac Shore0.9554
Harvest Moon Regatta473.51.2671
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy568.01.0563
San Francisco Bay Medium666.10.9007
Predominantly Reaching521.11.1515
Predominantly Reaching Low648.60.9251
Predominantly Reaching Medium516.31.1622
Predominantly Reaching High451.91.3276
Windward/Leeward 60-40 Low931.60.6440
Windward/Leeward 60-40 Medium692.00.8670
Windward/Leeward 60-40 High611.80.9807
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1014.10.5917
5-Band Low / Medium843.90.7109
5-Band Medium659.40.9100
5-Band Medium / High587.11.0219
5-Band High560.61.0704
ORC Ref  03510002SLEIssued on 22/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

FATHER & SON

ESP-5109_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40Measurement25/04/2022HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.062Displacement7,672Wetted area30.15IMS L10.740LSM010.481Acc. length12.060Sink (kg/mm) 22.98
VCGD-0.013VCGM-0.007RM Rated (kg·m) 193.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0040
EDL2.800ST10.065ST20.180
ST30.180ST40.110ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders2Rotating mastNo
P14.500IG15.142ISP15.412MDT10.122MDL10.222MDT20.122MDL20.183TL0.720MW0.225GO0.240
E5.260J4.130BAS1.732FSD0.040SFJ0.180SPL4.225WPLTPSBD0.159MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered195.0Flotation Date01/01/2010MeasurerComment
SFFP0.100FFMFF1.387LCFcl6.505SG
SAFP11.430FAMFA1.201LCFsh6.775HBI1.245
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002SLEIssued on 22/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

FATHER & SON

ESP-5109_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.181.051.843.274.3244.1225/04/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.110.671.262.503.935.6114.46NoNo 38.3625/04/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment015.0215.0215.027.537.1293.2225/04/2008
ORC Ref  03510002SLEIssued on 22/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org