International
One Design
Certificate
2024

Boat

MELGES 24

MNA-1234

Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.9°41.5°39.1°37.9°37.7°37.8°38.4°39.6°
Beat VMG3.384.104.584.774.844.874.914.83
52°5.186.066.526.806.957.067.187.17
60°5.476.276.757.147.337.477.667.72
75°5.656.396.967.577.968.228.618.83
90°5.666.536.987.638.429.009.7610.28
110°5.776.737.598.208.749.2510.7512.56
120°5.636.627.538.549.329.9911.3413.10
135°5.046.187.007.939.0810.4113.2114.93
150°4.265.396.236.977.798.7912.1415.35
Run VMG3.694.675.406.046.747.6110.5113.29
Gybe Angles143.5°147.8°149.7°148.5°145.5°144.5°141.5°146.7°
APH ToD:555.2CDL: 7.546APH ToT: 1.0807CertNo:MEL24
BOAT
ClassMELGES 24 ODDesignerREICHEL/PUGHBuilderROWENAge date11/1999Series date12/1992Offset filemelg24.od.offData filemelg24
HULL
Length Overall7.509 mMaximum Beam2.490 mDraft1.525 mDisplacement821 kgDLR2.7391IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight510 kg(declared)Minimum weight380 kg * when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail21.3822.33Headsail Luffed12.1312.13Headsail FlyingSymmetricAsymmetric56.1856.18 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.87Storm Jib3.72Heavy Weather Jib10.04
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment25.1 kg·mStability Index93.8
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.

International
One Design
Certificate
2024

Boat

MELGES 24

MNA-1234

Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1065.0878.1786.1755.1743.9738.6733.2745.5
52°694.7594.1551.8529.3518.0510.3501.3501.8
60°658.5574.6533.6504.4491.4481.6470.2466.6
75°637.4563.5517.0475.9452.5437.7418.2407.8
90°635.9551.1515.5471.8427.5400.0369.0350.3
110°624.3535.3474.1438.8412.1389.0335.0286.7
120°639.9544.2478.3421.4386.4360.5317.4274.8
135°714.3582.6514.2454.3396.3345.8272.5241.1
150°845.1667.6577.5516.5462.4409.5296.5234.5
Run VMG975.8770.9666.9596.4533.9472.9342.4270.8
Selected Courses
Windward / Leeward1020.4824.5726.5675.7638.9605.8537.8508.1
All purpose785.4652.4583.8540.6508.5482.4435.8412.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward696.70.8612
All purpose555.21.0807
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7368
Downwind "popa"0.9635
70% up, 30% down "Ilhabela"0.7928
30% up, 70% down "Ilhabela-inverso"0.8821
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Predominantly Upwind614.70.9760
Predominantly Downwind554.11.0828
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low718.90.8346
Triple Number AP Medium556.41.0784
Triple Number AP High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Predominant Upwind612.70.9792
Predominant Reaching531.31.1292
Predominant Downwind531.31.1292
Predominant Upwind - Low797.80.7521
Predominant Upwind - Low/Med673.80.8905
Predominant Upwind - Medium596.51.0058
Predominant Upwind - Med/High547.91.0950
Predominant Upwind - High521.31.1511
Predominant Downwind Low703.00.8534
Predominant Downwind Low/Med640.00.9375
Predominant Downwind Medium538.71.1137
Predominant Downwind Med/High446.61.3435
Predominant Downwind High377.81.5880
Predominant Reaching Low703.00.8534
Predominant Reaching Low/Med594.21.0098
Predominant Reaching Medium513.01.1696
Predominant Reaching Med/High441.41.3593
Predominant Reaching High397.01.5113
SA/DSPL Upwind38.26SA/DSPL Downwind88.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low975.90.6148
5-Band Windward/Leeward Low/Med796.80.7530
5-Band Windward/Leeward Medium684.50.8766
5-Band Windward/Leeward Med/High605.80.9905
5-Band Windward/Leeward High544.41.1021
Windward/Leeward 60-40 Low985.20.6090
Windward/Leeward 60-40 Low/Med808.50.7422
Windward/Leeward 60-40 Medium701.00.8559
Windward/Leeward 60-40 Med/High632.60.9485
Windward/Leeward 60-40 High582.81.0295
5-Band AP Low755.20.7944
5-Band AP Low/Med631.30.9504
5-Band AP Medium546.91.0971
5-Band AP Med/High483.81.2401
5-Band AP High439.81.3644
5-Band SF Bay Tour - Low928.60.6461
5-Band SF Bay Tour - Low/Med762.00.7874
5-Band SF Bay Tour - Medium657.20.9129
5-Band SF Bay Tour - Med/High585.71.0244
5-Band SF Bay Tour - High533.41.1249
Chicago-Mac Upwind0.9587
Chicago-Mac All Purpose1.0063
Chicago-Mac Downwind1.0598
Bayview-Mac Cove Island0.9353
Bayview-Mac Shore0.9419
Harvest Moon Regatta453.31.3237
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance605.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8346
Triple Number Coastal/Long Distance Medium1.0785
Triple Number Coastal/Long Distance High1.2727
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8623
Triple Number Windward/Leeward High1.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low718.9
Triple Number Coastal/Long Distance Medium556.3
Triple Number Coastal/Long Distance High471.4
Triple Number Windward/Leeward Low922.4
Triple Number Windward/Leeward Medium695.8
Triple Number Windward/Leeward High588.6
Predominantly Upwind614.7
Predominantly Downwind554.1
Predominantly Reaching531.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8346
Triple Number Coastal/Long Distance Medium1.0785
Triple Number Coastal/Long Distance High1.2727
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8623
Triple Number Windward/Leeward High1.0194
Coastal/Long Distance0.9916
Predominantly Upwind0.9760
Predominantly Downwind1.0828
For information
General Purpose Handicap (GPH)624.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8346
Tretall Distanseseilas Mellomvind1.0785
Tretall Distanseseilas Mye vind1.2727
Tretall Pølsebane Lite vind0.6505
Tretall Pølsebane Mellomvind0.8623
Tretall Pølsebane Mye vind1.0194
Distanseseilas ett tall (OSN 8-16kn)0.9916
Distanseseilas ett tall (APH 6-20kn)1.0807
Enkeltall Motvind0.9760
Enkeltall Medvind1.0828
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Coastal/Long Distance605.10.9916
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind614.70.9760
Predominantly Downwind554.11.0828
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore517.01.1605
Cape Doctor Coastal419.21.4311
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8346
Triple Number Coastal/Long Distance Medium1.0785
Triple Number Coastal/Long Distance High1.2727
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8623
Triple Number Windward/Leeward High1.0194
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8346
Triple Number Coastal/Long Distance Medium1.0785
Triple Number Coastal/Long Distance High1.2727
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8623
Triple Number Windward/Leeward High1.0194
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Predominantly Upwind614.70.9760
Predominantly Downwind554.11.0828
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.10.9916
Triple Number Coastal/Long Distance Low718.90.8346
Triple Number Coastal/Long Distance Medium556.31.0785
Triple Number Coastal/Long Distance High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1015.9776.5656.1579.5529.1484.9407.9380.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low718.90.8346
Triple Number AP Medium556.41.0784
Triple Number AP High471.41.2727
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium695.80.8623
Triple Number Windward/Leeward High588.61.0194
Predominant Upwind612.70.9792
Predominant Reaching531.31.1292
Predominant Downwind531.31.1292
Predominant Upwind - Low797.80.7521
Predominant Upwind - Low/Med673.80.8905
Predominant Upwind - Medium596.51.0058
Predominant Upwind - Med/High547.91.0950
Predominant Upwind - High521.31.1511
Predominant Downwind Low703.00.8534
Predominant Downwind Low/Med640.00.9375
Predominant Downwind Medium538.71.1137
Predominant Downwind Med/High446.61.3435
Predominant Downwind High377.81.5880
Predominant Reaching Low703.00.8534
Predominant Reaching Low/Med594.21.0098
Predominant Reaching Medium513.01.1696
Predominant Reaching Med/High441.41.3593
Predominant Reaching High397.01.5113
SA/DSPL Upwind38.26SA/DSPL Downwind88.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low975.90.6148
5-Band Windward/Leeward Low/Med796.80.7530
5-Band Windward/Leeward Medium684.50.8766
5-Band Windward/Leeward Med/High605.80.9905
5-Band Windward/Leeward High544.41.1021
Windward/Leeward 60-40 Low985.20.6090
Windward/Leeward 60-40 Low/Med808.50.7422
Windward/Leeward 60-40 Medium701.00.8559
Windward/Leeward 60-40 Med/High632.60.9485
Windward/Leeward 60-40 High582.81.0295
5-Band AP Low755.20.7944
5-Band AP Low/Med631.30.9504
5-Band AP Medium546.91.0971
5-Band AP Med/High483.81.2401
5-Band AP High439.81.3644
5-Band SF Bay Tour - Low928.60.6461
5-Band SF Bay Tour - Low/Med762.00.7874
5-Band SF Bay Tour - Medium657.20.9129
5-Band SF Bay Tour - Med/High585.71.0244
5-Band SF Bay Tour - High533.41.1249
Chicago-Mac Upwind0.9587
Chicago-Mac All Purpose1.0063
Chicago-Mac Downwind1.0598
Bayview-Mac Cove Island0.9353
Bayview-Mac Shore0.9419
Harvest Moon Regatta453.31.3237

International
One Design
Certificate
2024

Boat

MELGES 24

MNA-1234

Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMELGES 24 ODMeasurement19/03/1996HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.509Max. Beam2.490Draft1.525Displacement821Wetted area10.31IMS L7.269LSM06.692Acc. length7.509Sink (kg/mm) 8.78
VCGD0.040VCGM0.020RM Rated (kg·m) 25.1Limit of positive stability(°) 102.3Stability Index93.8Default crew weight388Declared crew weight510
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders1Rotating 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
SFFP0.130FFM0.883FF0.883LCFcl4.135SG1.0225
SAFP7.370FAM0.599FA0.599LCFsh4.315HBI0.799
W118.5W218.5W318.5W418.5
PD1427.9PD2432.4PD3428.3PD4436.5
WD7.400PLM9000.00GSA1.0RSA1.0RM25.0
BALLAST
TANKS
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA1MIN 12kg OUTBOARD   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1EngineMIN 12kg OUTBOARDTotal deductible

International
One Design
Certificate
2024

Boat

MELGES 24

MNA-1234

MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM0.180.931.682.703.3321.38CLASS RULES & MEAS
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH0.050.400.761.422.092.788.56NoNo 12.13CLASS RULES
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA11.5911.0811.345.866.3093%56.18CLASS RULES & MEAS