Double HandedClub Certificate2025
FortunaFin 328
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.6°43.6°40.8°40.2°41.2°41.6°41.7°43.1°46.6°
Beat VMG2.773.624.104.274.324.344.374.263.95
52°4.395.556.066.266.356.426.466.426.18
60°4.765.896.326.536.666.766.836.836.64
75°5.116.256.636.967.197.377.507.617.57
90°4.976.306.947.317.688.008.268.648.86
110°4.645.986.827.678.278.749.159.9910.62
120°4.415.876.907.678.289.139.7310.6311.46
135°3.895.326.427.408.609.6910.4912.1113.64
150°3.104.465.626.457.388.469.7713.1015.55
Run VMG2.693.864.865.606.397.338.4611.3413.88
Gybe Angles142.0°142.0°147.6°152.1°148.4°145.1°142.6°148.4°152.5°
APH ToD:564.9CDL: 6.754APH ToT: 1.0622CertNo:
BOAT
ClassMelges 24 ODDesignerREICHEL/PUGHBuilderRowen CompositesAge date01/1997Series date12/1992Offset fileMELG24.OD.offData fileFIN328
HULL
Length Overall7.509 mMaximum Beam2.490 mDraft1.525 mDisplacement821 kgDLR2.7391IMS DivisionSportboatDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight180 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail21.3822.33Headsail Luffed12.1312.13Headsail Flying29.3529.35SymmetricAsymmetric56.1856.18 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.87Storm Jib3.72Heavy Weather Jib10.04
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
LIFELINE TENSION ACC CLASSRULE
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.
Double HandedClub Certificate2025
FortunaFin 328
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1297.4994.9878.1843.7833.7828.9824.1844.2911.2
52°819.2649.2593.6575.5566.9561.1557.0560.8582.6
60°755.7610.7569.9551.6540.4532.7526.9526.8542.1
75°704.6576.4543.1517.2500.6488.4480.0472.8475.9
90°724.3571.8518.8492.5468.8450.0435.7416.8406.5
110°775.6601.7527.5469.7435.2411.9393.5360.4339.1
120°816.9612.8521.5469.3435.0394.3370.0338.6314.3
135°924.9677.1560.7486.2418.6371.5343.0297.2264.0
150°1160.5807.9641.1558.0488.1425.6368.7274.8231.5
Run VMG1338.4932.9740.2642.7563.6491.4425.7317.3259.4
Selected Courses
Windward / Leeward1312.8963.9809.2743.2698.7660.1624.9580.8585.3
All purpose973.9737.2637.4588.8555.1527.7505.5478.2478.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward710.90.8440
All purpose564.91.0622
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6945
Downwind "popa"1.0209
70% up, 30% down "Ilhabela"0.7682
30% up, 70% down "Ilhabela-inverso"0.8948
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind636.10.9432
Predominantly Downwind541.11.1089
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low687.30.8730
Triple Number AP Medium566.41.0594
Triple Number AP High500.81.1980
Triple Number Windward/Leeward Low923.10.6500
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Single Number Predominant Upwind653.00.9189
Single Number Predominant Reaching538.41.1144
Single Number Predominant Downwind559.01.0734
Predominant Upwind - Low810.20.7406
Predominant Upwind - Low/Med673.10.8913
Predominant Upwind - Medium624.50.9608
Predominant Upwind - Med/High593.71.0107
Predominant Upwind - High586.21.0235
Predominant Downwind Low804.30.7460
Predominant Downwind Low/Med618.70.9698
Predominant Downwind Medium527.41.1378
Predominant Downwind Med/High448.91.3365
Predominant Downwind High399.11.5034
Predominant Reaching Low709.70.8454
Predominant Reaching Low/Med575.61.0424
Predominant Reaching Medium513.51.1684
Predominant Reaching Med/High464.71.2911
Predominant Reaching High438.61.3681
SA/DSPL Upwind38.26SA/DSPL Downwind88.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low1013.70.5919
5-Band Windward/Leeward Low/Med792.40.7572
5-Band Windward/Leeward Medium702.70.8539
5-Band Windward/Leeward Med/High629.70.9528
5-Band Windward/Leeward High589.21.0184
Windward/Leeward 60-40 Low1019.20.5887
Windward/Leeward 60-40 Low/Med809.20.7414
Windward/Leeward 60-40 Medium729.60.8224
Windward/Leeward 60-40 Med/High669.60.8960
Windward/Leeward 60-40 High641.80.9348
5-Band AP Low737.00.8141
5-Band AP Low/Med622.80.9634
5-Band AP Medium558.81.0737
5-Band AP Med/High508.91.1791
5-Band AP High482.91.2425
5-Band SF Bay Tour - Low883.20.6793
5-Band SF Bay Tour - Low/Med759.20.7903
5-Band SF Bay Tour - Medium678.10.8848
5-Band SF Bay Tour - Med/High615.70.9745
5-Band SF Bay Tour - High584.71.0261
Chicago-Mac Upwind0.8967
Chicago-Mac All Purpose0.9611
Chicago-Mac Downwind1.0255
Bayview-Mac Cove Island0.7330
Bayview-Mac Shore0.7393
Harvest Moon Regatta457.41.3117
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance617.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating617.40.9719
FinRating, kevyt tuuli988.11.0120
FinRating, kova tuuli484.11.0329
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9719
Triple Number Coastal/Long Distance Low0.8730
Triple Number Coastal/Long Distance Medium1.0595
Triple Number Coastal/Long Distance High1.1980
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8414
Triple Number Windward/Leeward High0.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
For information
General Purpose Handicap (GPH)625.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low687.3
Triple Number Coastal/Long Distance Medium566.3
Triple Number Coastal/Long Distance High500.8
Triple Number Windward/Leeward Low886.5
Triple Number Windward/Leeward Medium713.1
Triple Number Windward/Leeward High617.2
Predominantly Upwind636.1
Predominantly Downwind541.1
Predominantly Reaching524.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8730
Triple Number Coastal/Long Distance Medium1.0595
Triple Number Coastal/Long Distance High1.1980
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8414
Triple Number Windward/Leeward High0.9722
Coastal/Long Distance0.9719
Predominantly Upwind0.9432
Predominantly Downwind1.1089
For information
General Purpose Handicap (GPH)625.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0622
Distanseseilas Trippeltall svak vind0.8730
Distanseseilas Trippeltall mellomvind1.0595
Distanseseilas Trippeltall sterk vind1.1980
Pølsebane Trippeltall svak vind0.6768
Pølsebane Trippeltall mellomvind0.8414
Pølsebane Trippeltall sterk vind0.9722
Motvind Singeltall0.9432
Medvind Singeltall1.1089
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Coastal/Long Distance617.40.9719
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind636.10.9432
Predominantly Downwind541.11.1089
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore583.91.0275
Cape Doctor Coastal478.01.2551
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8730
Triple Number Coastal/Long Distance Medium1.0595
Triple Number Coastal/Long Distance High1.1980
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8414
Triple Number Windward/Leeward High0.9722
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8730
Triple Number Coastal/Long Distance Medium1.0595
Triple Number Coastal/Long Distance High1.1980
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8414
Triple Number Windward/Leeward High0.9722
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind636.10.9432
Predominantly Downwind541.11.1089
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.40.9719
Triple Number Coastal/Long Distance Low687.30.8730
Triple Number Coastal/Long Distance Medium566.31.0595
Triple Number Coastal/Long Distance High500.81.1980
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1387.1960.8759.9666.9601.1551.0507.4443.4435.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low687.30.8730
Triple Number AP Medium566.41.0594
Triple Number AP High500.81.1980
Triple Number Windward/Leeward Low923.10.6500
Triple Number Windward/Leeward Medium713.10.8414
Triple Number Windward/Leeward High617.20.9722
Single Number Predominant Upwind653.00.9189
Single Number Predominant Reaching538.41.1144
Single Number Predominant Downwind559.01.0734
Predominant Upwind - Low810.20.7406
Predominant Upwind - Low/Med673.10.8913
Predominant Upwind - Medium624.50.9608
Predominant Upwind - Med/High593.71.0107
Predominant Upwind - High586.21.0235
Predominant Downwind Low804.30.7460
Predominant Downwind Low/Med618.70.9698
Predominant Downwind Medium527.41.1378
Predominant Downwind Med/High448.91.3365
Predominant Downwind High399.11.5034
Predominant Reaching Low709.70.8454
Predominant Reaching Low/Med575.61.0424
Predominant Reaching Medium513.51.1684
Predominant Reaching Med/High464.71.2911
Predominant Reaching High438.61.3681
SA/DSPL Upwind38.26SA/DSPL Downwind88.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low1013.70.5919
5-Band Windward/Leeward Low/Med792.40.7572
5-Band Windward/Leeward Medium702.70.8539
5-Band Windward/Leeward Med/High629.70.9528
5-Band Windward/Leeward High589.21.0184
Windward/Leeward 60-40 Low1019.20.5887
Windward/Leeward 60-40 Low/Med809.20.7414
Windward/Leeward 60-40 Medium729.60.8224
Windward/Leeward 60-40 Med/High669.60.8960
Windward/Leeward 60-40 High641.80.9348
5-Band AP Low737.00.8141
5-Band AP Low/Med622.80.9634
5-Band AP Medium558.81.0737
5-Band AP Med/High508.91.1791
5-Band AP High482.91.2425
5-Band SF Bay Tour - Low883.20.6793
5-Band SF Bay Tour - Low/Med759.20.7903
5-Band SF Bay Tour - Medium678.10.8848
5-Band SF Bay Tour - Med/High615.70.9745
5-Band SF Bay Tour - High584.71.0261
Chicago-Mac Upwind0.8967
Chicago-Mac All Purpose0.9611
Chicago-Mac Downwind1.0255
Bayview-Mac Cove Island0.7330
Bayview-Mac Shore0.7393
Harvest Moon Regatta457.41.3117
Double HandedClub Certificate2025
FortunaFin 328
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMelges 24 ODMeasurementHINGB-RCLM0529K001Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.509Max. Beam2.490Draft1.525Displacement821Wetted area10.31IMS L7.092LSM06.692Acc. length7.509Sink (kg/mm) 8.78
VCGD0.040VCGM0.020RM Rated (kg·m) 25.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight180
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P8.818IG8.620ISP9.777MDT10.076MDL10.120MDT20.062MDL20.075TL1.578MW0.114GO0.114
E3.800J2.506BAS1.000FSD0.000SFJ0.200SPLWPLTPS4.106BD0.103MWT28.00MCG3.150
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/03/2017
W118.5W218.5W318.5W418.5
PD1427.9PD2432.4PD3428.3PD4436.5
WD7.400PLM9000.00GSA1.0RSA1.0RM25.0
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
FortunaFin 328
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.180.931.682.703.3321.38class rules
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentFlying HS0.020.771.533.014.295.3010.30NoYes029.3507/07/2025Flat Reacher10.050.400.761.422.092.788.56NoNo 12.13class rules
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment111.5911.0811.345.866.3093%56.18class rules