Club
Certificate
Non Spinnaker
2023

Boat

MIG

GBR-297M24

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 Angles43.2°41.1°39.0°38.1°37.8°38.2°38.8°
Beat VMG3.424.144.614.784.844.864.86
52°5.256.126.596.867.017.097.17
60°5.546.326.847.227.427.547.68
75°5.726.457.077.728.118.378.71
90°5.626.417.057.818.669.249.92
110°5.016.046.697.388.299.3311.41
120°4.665.786.467.097.858.8111.35
135°4.005.136.006.587.187.909.69
150°3.374.375.296.026.537.078.38
Run VMG2.923.814.695.496.136.647.79
Gybe Angles145.3°173.0°174.8°176.6°178.4°177.5°176.2°

APH: 590.4

CDL: 7.543

GPH: 668.1

CertNo: 23/1

BOAT
ClassMelges 24 ODDesignerReichel/PughBuilderRowenAge date11/1999Series date12/1992Offset filemelg24.OD.offData fileGBR297M24
HULL
Length Overall7.509 mMaximum Beam2.490 mDraft1.525 mDisplacement821 kgDLR2.7391IMS DivisionSportboatDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight375 kgMinimum weight281 kg * when appliedNon Manual PowerNoCrew Arm Extension0.50 m
SAIL AREAS (m²)
MeasuredRatedMainsail21.3822.33Headsail Luffed12.1312.13Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.87Storm Jib3.72Heavy Weather Jib10.04
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  03190002MDLIssued on 23/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MIG

GBR-297M24

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 VMG1053.0869.0780.6753.8744.5741.1740.5
52°686.3588.6546.2524.7513.9507.4501.8
60°649.9569.4526.2498.4485.5477.1468.7
75°629.0557.8509.5466.5443.9429.9413.1
90°640.2561.7510.8461.0415.6389.8363.0
110°718.8595.6538.2488.1434.2386.0315.5
120°772.3622.8557.0508.0458.8408.7317.1
135°899.0702.3600.2547.5501.5455.8371.6
150°1069.3823.1681.2598.5551.1509.2429.4
Run VMG1234.7945.4767.9655.5587.0542.2462.1
Selected Courses
Windward / Leeward1143.9907.2774.2704.6665.7641.6601.3
All purpose864.0705.3620.0569.9536.0510.3469.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward741.50.8091
All purpose590.41.0163
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7391
Downwind "popa"0.8085
70% up, 30% down "Ilhabela"0.7586
30% up, 70% down "Ilhabela-inverso"0.7864
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind631.70.9498
Predominantly Downwind619.80.9681
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low784.60.7647
Triple Number All Purpose Medium589.41.0180
Triple Number All Purpose High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind631.70.9498
Predominantly Downwind619.80.9681
Predominantly Upwind Low838.80.7153
Predominantly Upwind Medium643.30.9327
Predominantly Upwind High601.30.9978
Predominantly Downwind Low908.30.6606
Predominantly Downwind Medium625.30.9596
Predominantly Downwind High482.01.2448
Chicago-Mac Upwind0.9338
Chicago-Mac All Purpose0.9436
Chicago-Mac Downwind0.9492
Bayview-Mac Cove Island0.8785
Bayview-Mac Shore0.8997
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching555.81.0795
Predominantly Reaching Low713.70.8407
Predominantly Reaching Medium558.71.0739
Predominantly Reaching High457.41.3118
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1125.60.5330
5-Band Low / Medium929.70.6453
5-Band Medium721.30.8319
5-Band Medium / High644.10.9315
5-Band High608.30.9863
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance647.9
Triple Number Coastal/Long Distance Low784.6
Triple Number Coastal/Long Distance Medium589.4
Triple Number Coastal/Long Distance High501.4
Triple Number Windward/Leeward Low1025.5
Triple Number Windward/Leeward Medium735.0
Triple Number Windward/Leeward High632.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7647
Triple Number Coastal/Long Distance Medium1.0180
Triple Number Coastal/Long Distance High1.1967
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8163
Triple Number Windward/Leeward High0.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low784.6
Triple Number Coastal/Long Distance Medium589.4
Triple Number Coastal/Long Distance High501.4
Triple Number Windward/Leeward Low1025.5
Triple Number Windward/Leeward Medium735.0
Triple Number Windward/Leeward High632.6
Predominantly Upwind631.7
Predominantly Downwind619.8
Predominantly Reaching577.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7647
Triple Number Coastal/Long Distance Medium1.0180
Triple Number Coastal/Long Distance High1.1967
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8163
Triple Number Windward/Leeward High0.9485
Coastal/Long Distance0.9260
Predominantly Upwind0.9498
Predominantly Downwind0.9681
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7647
Tretall Distanseseilas Mellomvind1.0180
Tretall Distanseseilas Mye vind1.1967
Tretall Pølsebane Lite vind0.5851
Tretall Pølsebane Mellomvind0.8163
Tretall Pølsebane Mye vind0.9485
Distanseseilas ett tall (OSN 8-16kn)0.9260
Distanseseilas ett tall (APH 6-20kn)1.0163
Enkeltall Motvind0.9498
Enkeltall Medvind0.9681
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Coastal/Long Distance647.90.9260
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind631.70.9498
Predominantly Downwind619.80.9681
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore613.40.9781
Cape Doctor Coastal481.61.2458
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7647
Triple Number Coastal/Long Distance Medium1.0180
Triple Number Coastal/Long Distance High1.1967
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8163
Triple Number Windward/Leeward High0.9485
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7647
Triple Number Coastal/Long Distance Medium1.0180
Triple Number Coastal/Long Distance High1.1967
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8163
Triple Number Windward/Leeward High0.9485
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind631.70.9498
Predominantly Downwind619.80.9681
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9260
Triple Number Coastal/Long Distance Low784.60.7647
Triple Number Coastal/Long Distance Medium589.41.0180
Triple Number Coastal/Long Distance High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1153.0854.6699.1611.3559.4514.5432.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low784.60.7647
Triple Number All Purpose Medium589.41.0180
Triple Number All Purpose High501.41.1967
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium735.00.8163
Triple Number Windward/Leeward High632.60.9485
Predominantly Upwind631.70.9498
Predominantly Downwind619.80.9681
Predominantly Upwind Low838.80.7153
Predominantly Upwind Medium643.30.9327
Predominantly Upwind High601.30.9978
Predominantly Downwind Low908.30.6606
Predominantly Downwind Medium625.30.9596
Predominantly Downwind High482.01.2448
Chicago-Mac Upwind0.9338
Chicago-Mac All Purpose0.9436
Chicago-Mac Downwind0.9492
Bayview-Mac Cove Island0.8785
Bayview-Mac Shore0.8997
Harvest Moon Regatta489.41.2259
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy617.90.9710
San Francisco Bay Medium729.60.8223
Predominantly Reaching555.81.0795
Predominantly Reaching Low713.70.8407
Predominantly Reaching Medium558.71.0739
Predominantly Reaching High457.41.3118
Windward/Leeward 60-40 Low1012.60.5925
Windward/Leeward 60-40 Medium747.00.8032
Windward/Leeward 60-40 High669.70.8959
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1125.60.5330
5-Band Low / Medium929.70.6453
5-Band Medium721.30.8319
5-Band Medium / High644.10.9315
5-Band High608.30.9863
ORC Ref  03190002MDLIssued on 23/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MIG

GBR-297M24

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)
ClassMelges 24 ODMeasurement19/03/1996HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.509Max. Beam2.490Draft1.525Displacement821Wetted area10.31IMS L7.236LSM06.692Acc. length7.509Sink (kg/mm) 8.78
VCGD0.040VCGM0.020RM Rated (kg·m) 25.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P8.818IG8.620ISPMDT10.076MDL10.120MDT20.062MDL20.075TL1.578MW0.114GO0.114
E3.800J2.506BAS1.000FSD0.000SFJ0.200SPLWPLTPSBD0.103MWT28.00MCG3.150
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/03/2017MeasurerComment
SFFP0.130FFMFF0.883LCFcl4.135SG1.0225
SAFP7.370FAMFA0.599LCFsh4.315HBI0.799
W118.5W218.5W318.5W418.5
PD1427.9PD2432.4PD3428.3PD4436.5
WD7.400PLM9000.00GSA1.0RSA1.0RM25.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1EngineMIN 12kg OUTBOARDTotal deductible
ORC Ref  03190002MDLIssued on 23/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MIG

GBR-297M24

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM0.180.931.682.703.3321.38CLASS RULES & MEAS
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH0.050.400.761.422.092.788.56NoNo 12.13CLASS RULES
ORC Ref  03190002MDLIssued on 23/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org