Club
Certificate
2023

Boat

MERAK

ITA-13D81

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°39.4°37.6°37.0°36.9°37.0°37.8°
Beat VMG3.734.464.794.914.975.014.97
52°5.656.396.736.907.017.097.15
60°5.906.576.967.187.327.437.55
75°6.036.707.197.597.858.068.33
90°5.916.657.247.798.328.729.27
110°5.856.797.467.968.418.8510.38
120°5.716.727.498.258.929.5010.86
135°5.176.317.067.888.869.9912.62
150°4.365.456.357.087.818.6811.67
Run VMG3.774.725.536.186.807.5210.10
Gybe Angles141.9°147.4°153.7°156.8°156.4°150.5°144.0°

APH: 545.8

CDL: 7.931

GPH: 609.1

CertNo: 23/2

BOAT
ClassDolphin 81DesignerSantarelliBuilderMaxi DolphinAge dateSeries date06/1992Offset fileIMOD8196.OFFData fileI13D81
HULL
Length Overall8.083 mMaximum Beam2.694 mDraft1.574 mDisplacement970 kgDLR2.8765IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight420 kgMinimum weight315 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.8422.52Headsail Luffed17.1017.10Headsail FlyingSymmetric57.6157.61Asymmetric
STORM SAIL AREAS (m²)
Trysail6.05Storm Jib4.00Heavy Weather Jib10.80
SAIL LIMITS
Headsails5  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  03190002CQ4Issued on 21/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MERAK

ITA-13D81

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG964.0806.6751.3732.7724.2719.2723.8
52°637.5563.0534.9521.9513.7508.0503.8
60°610.2548.3517.5501.7491.8484.8477.1
75°596.6537.1500.4474.3458.6446.8432.1
90°609.5541.2497.1462.4432.7412.7388.1
110°615.1530.1482.4452.1427.9406.8346.9
120°630.2535.8480.7436.5403.6379.0331.4
135°696.7570.8509.6456.9406.4360.5285.3
150°826.5660.6566.6508.4461.2414.8308.5
Run VMG954.3762.8651.2582.2529.6478.9356.3
Selected Courses
Windward / Leeward959.2784.7701.3657.4626.9599.1540.0
All purpose743.0626.1568.6533.8507.6485.2443.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward676.20.8873
All purpose545.81.0993
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7747
Downwind "popa"0.9733
70% up, 30% down "Ilhabela"0.8252
30% up, 70% down "Ilhabela-inverso"0.9038
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Predominantly Upwind596.91.0053
Predominantly Downwind546.51.0980
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low684.50.8765
Triple Number All Purpose Medium546.51.0978
Triple Number All Purpose High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Predominantly Upwind596.91.0053
Predominantly Downwind546.51.0980
Predominantly Upwind Low753.10.7967
Predominantly Upwind Medium622.40.9640
Predominantly Upwind High590.41.0163
Predominantly Downwind Low749.20.8008
Predominantly Downwind Medium546.51.0979
Predominantly Downwind High417.91.4359
Chicago-Mac Upwind0.9892
Chicago-Mac All Purpose1.0313
Chicago-Mac Downwind1.0777
Bayview-Mac Cove Island0.9684
Bayview-Mac Shore0.9766
Victoria-Maui1.1862
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance592.9
Triple Number Coastal/Long Distance Low684.5
Triple Number Coastal/Long Distance Medium546.5
Triple Number Coastal/Long Distance High475.0
Triple Number Windward/Leeward Low872.0
Triple Number Windward/Leeward Medium675.0
Triple Number Windward/Leeward High583.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.0978
Triple Number Coastal/Long Distance High1.2632
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8889
Triple Number Windward/Leeward High1.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low684.5
Triple Number Coastal/Long Distance Medium546.5
Triple Number Coastal/Long Distance High475.0
Triple Number Windward/Leeward Low872.0
Triple Number Windward/Leeward Medium675.0
Triple Number Windward/Leeward High583.9
Predominantly Upwind596.9
Predominantly Downwind546.5
Predominantly Reaching524.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.0978
Triple Number Coastal/Long Distance High1.2632
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8889
Triple Number Windward/Leeward High1.0276
Coastal/Long Distance1.0121
Predominantly Upwind1.0053
Predominantly Downwind1.0980
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8765
Tretall Distanseseilas Mellomvind1.0978
Tretall Distanseseilas Mye vind1.2632
Tretall Pølsebane Lite vind0.6881
Tretall Pølsebane Mellomvind0.8889
Tretall Pølsebane Mye vind1.0276
Distanseseilas ett tall (OSN 8-16kn)1.0121
Distanseseilas ett tall (APH 6-20kn)1.0993
Enkeltall Motvind1.0053
Enkeltall Medvind1.0980
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Coastal/Long Distance592.91.0121
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind596.91.0053
Predominantly Downwind546.51.0980
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore557.71.0758
Cape Doctor Coastal455.71.3167
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.0978
Triple Number Coastal/Long Distance High1.2632
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8889
Triple Number Windward/Leeward High1.0276
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.0978
Triple Number Coastal/Long Distance High1.2632
Triple Number Windward/Leeward Low0.6881
Triple Number Windward/Leeward Medium0.8889
Triple Number Windward/Leeward High1.0276
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Predominantly Upwind596.91.0053
Predominantly Downwind546.51.0980
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance592.91.0121
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium546.51.0978
Triple Number Coastal/Long Distance High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance958.7742.0635.8570.4527.2488.6418.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low684.50.8765
Triple Number All Purpose Medium546.51.0978
Triple Number All Purpose High475.01.2632
Triple Number Windward/Leeward Low872.00.6881
Triple Number Windward/Leeward Medium675.00.8889
Triple Number Windward/Leeward High583.91.0276
Predominantly Upwind596.91.0053
Predominantly Downwind546.51.0980
Predominantly Upwind Low753.10.7967
Predominantly Upwind Medium622.40.9640
Predominantly Upwind High590.41.0163
Predominantly Downwind Low749.20.8008
Predominantly Downwind Medium546.51.0979
Predominantly Downwind High417.91.4359
Chicago-Mac Upwind0.9892
Chicago-Mac All Purpose1.0313
Chicago-Mac Downwind1.0777
Bayview-Mac Cove Island0.9684
Bayview-Mac Shore0.9766
Harvest Moon Regatta455.41.3176
Victoria-Maui1.1862
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy568.51.0553
San Francisco Bay Medium659.70.9095
Predominantly Reaching1.1666
Predominantly Reaching Low0.9591
Predominantly Reaching Medium1.1677
Predominantly Reaching High1.4012
Windward/Leeward 60-40 Low874.60.6860
Windward/Leeward 60-40 Medium698.10.8595
Windward/Leeward 60-40 High630.90.9510
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low945.70.6344
5-Band Low / Medium805.80.7446
5-Band Medium665.30.9019
5-Band Medium / High598.71.0022
5-Band High550.21.0904
ORC Ref  03190002CQ4Issued on 21/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MERAK

ITA-13D81

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDolphin 81Measurement05/04/1994HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.083Max. Beam2.694Draft1.574Displacement970Wetted area10.55IMS L7.555LSM06.960Acc. length8.083Sink (kg/mm) 8.36
VCGD-0.150VCGM-0.125RM Rated (kg·m) 21.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P9.600IG8.875ISP10.600MDT10.070MDL10.100MDT20.055MDL20.065TL1.900MW0.100GO0.120
E3.600J2.670BAS1.000FSD0.027SFJ0.260SPL3.680WPLTPSBD0.110MWT36.00MCG3.640
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.150Flotation Date10/02/2022MeasurerComment
SFFP0.248FFMFF0.886LCFcl4.192SG1.0260
SAFP7.284FAMFA0.687LCFsh4.393HBI0.805
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002CQ4Issued on 21/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MERAK

ITA-13D81

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.160.871.502.503.2021.84* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC3.600.00NoNo 17.10* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC10.7810.7810.786.360.0057.61* Copied from legacy *
ORC Ref  03190002CQ4Issued on 21/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org