International
Certificate
2023

Boat

MAMOKU

ESP-7702

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 Angles43.3°41.4°40.6°40.0°39.6°39.6°40.0°
Beat VMG3.584.324.785.005.105.165.16
52°5.466.447.017.277.397.467.50
60°5.756.707.257.517.647.717.77
75°5.966.897.437.737.938.058.19
90°5.856.847.457.798.068.288.59
110°5.826.987.648.048.378.598.94
120°5.666.837.568.028.428.799.37
135°5.086.307.197.758.188.609.47
150°4.305.446.427.197.728.128.92
Run VMG3.724.715.566.306.937.478.27
Gybe Angles143.3°146.9°150.5°155.9°165.8°175.4°179.0°

APH: 544.3

CDL: 9.644

GPH: 609.5

CertNo: 770201

BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date02/2004Series date01/2002Offset fileDUFOUR40.offData fileE7702
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.069 mDisplacement7,810 kgDLR6.6154IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.407m
CREW
Maximum weight280 kgMinimum weight195 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail46.0647.21Headsail Luffed42.1842.18Headsail FlyingSymmetric103.12103.12Asymmetric103.12103.12 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.43Storm Jib11.22Heavy Weather Jib30.28
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment186.4 kg·mStability Index122.7
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  03510002CJ9Issued on 15/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

MAMOKU

ESP-7702

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 VMG1004.8833.1753.0720.6705.2697.9697.9
52°659.0559.3513.8495.3487.0482.6479.7
60°625.9537.1496.9479.1471.4466.9463.2
75°604.4522.7484.7465.6454.1447.3439.8
90°614.9526.6483.3462.1446.7434.8419.0
110°618.8516.0471.3447.7430.0419.1402.5
120°636.5527.1476.2448.7427.5409.5384.4
135°708.3571.8500.4464.3439.8418.6380.2
150°837.7661.8561.0500.4466.5443.1403.4
Run VMG967.3764.2647.6571.8519.8481.6435.2
Selected Courses
Windward / Leeward986.0798.6700.3646.2612.5589.8566.6
All purpose759.9627.0560.4526.0504.9490.7473.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward672.90.8917
All purpose544.31.1024
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7760
Downwind "popa"0.9572
70% up, 30% down "Ilhabela"0.8227
30% up, 70% down "Ilhabela-inverso"0.8946
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Predominantly Upwind590.71.0157
Predominantly Downwind549.71.0915
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low693.50.8652
Triple Number All Purpose Medium540.61.1099
Triple Number All Purpose High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Predominantly Upwind590.71.0157
Predominantly Downwind549.71.0915
Predominantly Upwind Low771.70.7775
Predominantly Upwind Medium611.80.9808
Predominantly Upwind High577.41.0391
Predominantly Downwind Low757.80.7917
Predominantly Downwind Medium544.51.1019
Predominantly Downwind High454.31.3207
Chicago-Mac Upwind0.9979
Chicago-Mac All Purpose1.0318
Chicago-Mac Downwind1.0721
Bayview-Mac Cove Island0.9637
Bayview-Mac Shore0.9719
Victoria-Maui1.1498
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance592.8
Triple Number Coastal/Long Distance Low693.5
Triple Number Coastal/Long Distance Medium540.6
Triple Number Coastal/Long Distance High487.6
Triple Number Windward/Leeward Low892.3
Triple Number Windward/Leeward Medium668.5
Triple Number Windward/Leeward High586.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8652
Triple Number Coastal/Long Distance Medium1.1099
Triple Number Coastal/Long Distance High1.2305
Triple Number Windward/Leeward Low0.6724
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low693.5
Triple Number Coastal/Long Distance Medium540.6
Triple Number Coastal/Long Distance High487.6
Triple Number Windward/Leeward Low892.3
Triple Number Windward/Leeward Medium668.5
Triple Number Windward/Leeward High586.7
Predominantly Upwind590.7
Predominantly Downwind549.7
Predominantly Reaching527.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8652
Triple Number Coastal/Long Distance Medium1.1099
Triple Number Coastal/Long Distance High1.2305
Triple Number Windward/Leeward Low0.6724
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0226
Coastal/Long Distance1.0122
Predominantly Upwind1.0157
Predominantly Downwind1.0915
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8652
Tretall Distanseseilas Mellomvind1.1099
Tretall Distanseseilas Mye vind1.2305
Tretall Pølsebane Lite vind0.6724
Tretall Pølsebane Mellomvind0.8975
Tretall Pølsebane Mye vind1.0226
Distanseseilas ett tall (OSN 8-16kn)1.0122
Distanseseilas ett tall (APH 6-20kn)1.1024
Enkeltall Motvind1.0157
Enkeltall Medvind1.0915
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Coastal/Long Distance592.81.0122
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind590.71.0157
Predominantly Downwind549.71.0915
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore573.51.0462
Cape Doctor Coastal478.31.2545
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8652
Triple Number Coastal/Long Distance Medium1.1099
Triple Number Coastal/Long Distance High1.2305
Triple Number Windward/Leeward Low0.6724
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0226
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8652
Triple Number Coastal/Long Distance Medium1.1099
Triple Number Coastal/Long Distance High1.2305
Triple Number Windward/Leeward Low0.6724
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0226
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Predominantly Upwind590.71.0157
Predominantly Downwind549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.81.0122
Triple Number Coastal/Long Distance Low693.50.8652
Triple Number Coastal/Long Distance Medium540.61.1099
Triple Number Coastal/Long Distance High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.2751.5631.3562.4524.4494.7449.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low693.50.8652
Triple Number All Purpose Medium540.61.1099
Triple Number All Purpose High487.61.2305
Triple Number Windward/Leeward Low892.30.6724
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High586.71.0226
Predominantly Upwind590.71.0157
Predominantly Downwind549.71.0915
Predominantly Upwind Low771.70.7775
Predominantly Upwind Medium611.80.9808
Predominantly Upwind High577.41.0391
Predominantly Downwind Low757.80.7917
Predominantly Downwind Medium544.51.1019
Predominantly Downwind High454.31.3207
Chicago-Mac Upwind0.9979
Chicago-Mac All Purpose1.0318
Chicago-Mac Downwind1.0721
Bayview-Mac Cove Island0.9637
Bayview-Mac Shore0.9719
Harvest Moon Regatta469.81.2772
Victoria-Maui1.1498
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy576.01.0417
San Francisco Bay Medium660.20.9088
Predominantly Reaching1.1632
Predominantly Reaching Low0.9535
Predominantly Reaching Medium1.1768
Predominantly Reaching High1.3270
Windward/Leeward 60-40 Low897.70.6684
Windward/Leeward 60-40 Medium691.80.8673
Windward/Leeward 60-40 High625.20.9597
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low971.60.6175
5-Band Low / Medium818.40.7331
5-Band Medium657.50.9125
5-Band Medium / High594.51.0093
5-Band High570.61.0516
ORC Ref  03510002CJ9Issued on 15/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

MAMOKU

ESP-7702

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40Measurement20/05/2017HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.069Displacement7,810Wetted area30.48IMS L10.700LSM010.568Acc. length12.060Sink (kg/mm) 23.26
VCGD0.070VCGM0.070RM Rated (kg·m) 186.4Limit of positive stability(°) 119.9Stability Index122.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.407PBWPIPA0.0038
EDL2.700ST10.065ST20.180
ST30.180ST40.110ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.235IG14.975ISP16.300MDT10.110MDL10.220MDT20.110MDL20.220TLMW0.220GO0.220
E5.390J4.160BAS1.775FSD0.040SFJ0.376SPL4.250WPLTPS4.160BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date10/05/2017MeasurerESP 410Comment
SFFP0.100FFM1.410FF1.403LCFcl6.569SG1.0280
SAFP11.430FAM1.169FA1.178LCFsh6.835HBI1.242
W1115.3W2115.3W3115.3W4115.3
PD1600.9PD2599.7PD3600.0PD4601.9
WD12.410PLM9000.00GSA1.0RSA1.0RM187.6
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel PVC Camarote popa Er0.9000160809.302Water PVC Camarote popa Br17509.303Water PVC Camarote Proa17502.204Black Water PVC Lavabo5006.90Total deductible729.30
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousCalentador6.053Battery100 Ah9.302Battery100 Ah9.301Battery100 Ah9.301EngineVOLVO MD2040Total deductible
ORC Ref  03510002CJ9Issued on 15/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

MAMOKU

ESP-7702

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.161.142.053.5246.06RI
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.041.432.875.7514.64NoNo 42.18RI0020.070.741.432.844.285.7614.52NoNo 41.620030.080.641.202.293.364.4414.71YesNo 33.42
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment00116.0016.0016.007.787.55103.12RI
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00117.3014.6015.957.688.0795%103.12RI
ORC Ref  03510002CJ9Issued on 15/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org