Club
Certificate
2022

Boat

Merimörkö

FIN 9631

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.1°42.6°42.0°41.1°40.2°39.9°39.6°
Beat VMG3.644.394.925.195.325.395.47
52°5.606.667.317.577.687.747.80
60°5.956.997.557.797.917.978.01
75°6.247.237.728.008.208.328.46
90°6.197.217.758.068.338.598.99
110°5.947.187.848.258.648.979.43
120°5.767.017.748.178.619.089.93
135°5.176.397.357.898.298.749.77
150°4.375.516.517.297.758.068.71
Run VMG3.784.785.646.326.727.248.03
Gybe Angles143.5°147.5°148.4°149.6°151.4°173.6°177.2°

APH: 530.2

CDL: 10.288

GPH: 594.1

CertNo:

BOAT
ClassFinngulf 41DesignerStrahlmanBuilderFinngulfAge date01/2003Series date02/2002Offset fileFINNGULF41-CRUISER.offData fileFIN9631
HULL
Length Overall12.495 mMaximum Beam3.844 mDraft1.826 mDisplacement8,500 kgDLR5.8345IMS DivisionCruiser/RacerDynamic Allowance0.130%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.454m
CREW
Maximum weight510 kgMinimum weight383 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail50.9851.91Headsail Luffed48.3048.30Headsail FlyingSymmetricAsymmetric100.79100.79 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.12Storm Jib13.89Heavy Weather Jib37.49
SAIL LIMITS
Headsails6  Spinnakers4
STABILITY
Righting Moment212.1 kg·mStability 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  041400023LCIssued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Merimörkö

FIN 9631

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG990.3819.3731.1693.6676.4667.8658.7
52°643.3540.9492.7475.8468.8465.2461.6
60°605.1514.8477.1461.9455.4451.7449.4
75°576.8498.0466.3450.1439.2432.5425.7
90°582.0499.3464.6446.9432.2419.1400.3
110°605.9501.1459.2436.6416.5401.1381.7
120°624.5513.9465.2440.6418.3396.3362.7
135°696.2563.4489.5456.5434.3411.8368.5
150°824.0652.9553.1493.5464.4446.6413.5
Run VMG951.4753.9638.6569.9535.4497.1448.1
Selected Courses
Windward / Leeward970.9786.6684.9631.7605.9582.4553.4
All purpose742.9611.8545.0511.9493.2478.2457.5
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward660.80.9080
All purpose530.21.1316
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8020
Downwind "popa"0.9557
70% up, 30% down "Ilhabela"0.8426
30% up, 70% down "Ilhabela-inverso"0.9037
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Predominantly Upwind572.81.0474
Predominantly Downwind540.11.1109
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low677.40.8858
Triple Number All Purpose Medium526.61.1394
Triple Number All Purpose High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Predominantly Upwind572.81.0474
Predominantly Downwind540.11.1109
Predominantly Upwind Low755.80.7939
Predominantly Upwind Medium591.21.0149
Predominantly Upwind High553.61.0837
Predominantly Downwind Low743.30.8072
Predominantly Downwind Medium537.91.1154
Predominantly Downwind High454.81.3193
Chicago-Mac Upwind1.0295
Chicago-Mac All Purpose1.0587
Chicago-Mac Downwind1.0929
Bayview-Mac Cove Island0.9887
Bayview-Mac Shore0.9981
Victoria-Maui1.1612
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance579.1
Triple Number Coastal/Long Distance Low677.4
Triple Number Coastal/Long Distance Medium526.6
Triple Number Coastal/Long Distance High474.2
Triple Number Windward/Leeward Low878.7
Triple Number Windward/Leeward Medium655.9
Triple Number Windward/Leeward High577.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8858
Triple Number Coastal/Long Distance Medium1.1394
Triple Number Coastal/Long Distance High1.2653
Triple Number Windward/Leeward Low0.6828
Triple Number Windward/Leeward Medium0.9148
Triple Number Windward/Leeward High1.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low677.4
Triple Number Coastal/Long Distance Medium526.6
Triple Number Coastal/Long Distance High474.2
Triple Number Windward/Leeward Low878.7
Triple Number Windward/Leeward Medium655.9
Triple Number Windward/Leeward High577.4
Predominantly Upwind572.8
Predominantly Downwind540.1
Predominantly Reaching514.6
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8858
Triple Number Coastal/Long Distance Medium1.1394
Triple Number Coastal/Long Distance High1.2653
Triple Number Windward/Leeward Low0.6828
Triple Number Windward/Leeward Medium0.9148
Triple Number Windward/Leeward High1.0391
Coastal/Long Distance1.0361
Predominantly Upwind1.0474
Predominantly Downwind1.1109
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0361
Tretall Distanseseilas Lite vind0.8858
Tretall Distanseseilas Mellomvind1.1394
Tretall Distanseseilas Mye vind1.2653
Tretall Pølsebane Lite vind0.6828
Tretall Pølsebane Mellomvind0.9148
Tretall Pølsebane Mye vind1.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Coastal/Long Distance579.11.0361
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind572.81.0474
Predominantly Downwind540.11.1109
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore562.11.0674
Cape Doctor Coastal463.71.2940
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8858
Triple Number Coastal/Long Distance Medium1.1394
Triple Number Coastal/Long Distance High1.2653
Triple Number Windward/Leeward Low0.6828
Triple Number Windward/Leeward Medium0.9148
Triple Number Windward/Leeward High1.0391
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8858
Triple Number Coastal/Long Distance Medium1.1394
Triple Number Coastal/Long Distance High1.2653
Triple Number Windward/Leeward Low0.6828
Triple Number Windward/Leeward Medium0.9148
Triple Number Windward/Leeward High1.0391
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Predominantly Upwind572.81.0474
Predominantly Downwind540.11.1109
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance579.11.0361
Triple Number Coastal/Long Distance Low677.40.8858
Triple Number Coastal/Long Distance Medium526.61.1394
Triple Number Coastal/Long Distance High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.9738.3615.9547.6512.6482.7435.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low677.40.8858
Triple Number All Purpose Medium526.61.1394
Triple Number All Purpose High474.21.2653
Triple Number Windward/Leeward Low878.70.6828
Triple Number Windward/Leeward Medium655.90.9148
Triple Number Windward/Leeward High577.41.0391
Predominantly Upwind572.81.0474
Predominantly Downwind540.11.1109
Predominantly Upwind Low755.80.7939
Predominantly Upwind Medium591.21.0149
Predominantly Upwind High553.61.0837
Predominantly Downwind Low743.30.8072
Predominantly Downwind Medium537.91.1154
Predominantly Downwind High454.81.3193
Chicago-Mac Upwind1.0295
Chicago-Mac All Purpose1.0587
Chicago-Mac Downwind1.0929
Bayview-Mac Cove Island0.9887
Bayview-Mac Shore0.9981
Harvest Moon Regatta465.81.2881
Victoria-Maui1.1612
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low956.70.6272
5-Band Low / Medium804.70.7456
5-Band Medium645.10.9301
5-Band Medium / High585.71.0244
5-Band High558.41.0744
ORC Ref  041400023LCIssued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Merimörkö

FIN 9631

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinngulf 41Measurement11/05/2022HINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.495Max. Beam3.844Draft1.826Displacement8,500Wetted area33.17IMS L11.305LSM011.335Acc. length12.493Sink (kg/mm) 25.06
VCGD0.048VCGM0.044RM Measured (kg·m) 212.1RM Default (kg·m) 212.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.454PBWPIPA0.0008
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2
P16.000IG16.664ISP16.674MDT10.140MDL10.205MDT2MDL2TLTaperMWGO
E5.400J4.350BAS1.560FSDSFJSPLWPLTPS5.180BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date11/05/2022MeasurerComment
SFFP0.200FFMFF1.348LCFcl6.936SG
SAFP11.425FAMFA1.043LCFsh7.191HBI1.166
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  041400023LCIssued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Merimörkö

FIN 9631

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment10.181.152.023.454.4650.98
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment10.070.721.442.974.616.3115.79NoNo 48.30
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment117.0715.6816.387.297.7794%100.79
ORC Ref  041400023LCIssued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org