Club
Certificate
Non Spinnaker
2023

Boat

Fortissimo

400

Norges Seilforbund
Sognsveien 73
0854 OSLO
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°38.2°38.4°38.7°39.4°
Beat VMG3.424.144.584.724.774.794.78
52°5.256.106.566.776.906.987.04
60°5.546.306.827.137.307.417.52
75°5.726.457.057.657.978.208.50
90°5.626.417.057.798.569.049.65
110°5.016.056.697.388.299.3011.12
120°4.665.786.467.097.858.8111.31
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°178.1°177.5°176.6°

APH: 593.5

CDL: 7.448

GPH: 670.8

CertNo: 671721

BOAT
ClassMELGES 24 ODDesignerREICHEL/PUGHBuilderAge dateSeries date12/1992Offset filemelg24.od.offData file671721
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 ExtensionLoose or no lifelines
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  03440002L38Issued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Fortissimo

400

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1052.9869.1785.2763.0755.0752.3753.1
52°686.2589.9549.1531.4521.8516.0511.1
60°649.8571.0528.2505.2493.4485.8478.5
75°628.9557.8510.6470.8451.7439.0423.6
90°640.1561.7510.9462.3420.3398.1373.2
110°718.7595.5538.2488.0434.2387.1323.8
120°772.3622.8557.0508.0458.8408.7318.4
135°899.0702.3600.2547.5501.5455.8371.6
150°1069.3823.2681.2598.5551.2509.2429.4
Run VMG1234.8945.4767.9655.5587.0542.2462.1
Selected Courses
Windward / Leeward1143.8907.2776.6709.3671.0647.2607.6
All purpose863.9705.5621.4573.3540.5515.5476.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward745.30.8050
All purpose593.51.0110
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7329
Downwind "popa"0.8085
70% up, 30% down "Ilhabela"0.7541
30% up, 70% down "Ilhabela-inverso"0.7842
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Predominantly Upwind636.10.9432
Predominantly Downwind621.20.9659
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low784.70.7646
Triple Number All Purpose Medium592.21.0132
Triple Number All Purpose High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Predominantly Upwind636.10.9432
Predominantly Downwind621.20.9659
Predominantly Upwind Low838.90.7152
Predominantly Upwind Medium648.70.9249
Predominantly Upwind High610.80.9823
Predominantly Downwind Low908.40.6605
Predominantly Downwind Medium625.90.9586
Predominantly Downwind High483.81.2403
Chicago-Mac Upwind0.9278
Chicago-Mac All Purpose0.9396
Chicago-Mac Downwind0.9471
Bayview-Mac Cove Island0.8767
Bayview-Mac Shore0.8970
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching558.31.0747
Predominantly Reaching Low713.80.8405
Predominantly Reaching Medium560.51.0705
Predominantly Reaching High462.41.2975
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1125.60.5330
5-Band Low / Medium930.50.6448
5-Band Medium725.30.8272
5-Band Medium / High649.70.9235
5-Band High614.50.9764
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance651.2
Triple Number Coastal/Long Distance Low784.7
Triple Number Coastal/Long Distance Medium592.2
Triple Number Coastal/Long Distance High507.0
Triple Number Windward/Leeward Low1025.5
Triple Number Windward/Leeward Medium738.6
Triple Number Windward/Leeward High638.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7646
Triple Number Coastal/Long Distance Medium1.0132
Triple Number Coastal/Long Distance High1.1834
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low784.7
Triple Number Coastal/Long Distance Medium592.2
Triple Number Coastal/Long Distance High507.0
Triple Number Windward/Leeward Low1025.5
Triple Number Windward/Leeward Medium738.6
Triple Number Windward/Leeward High638.3
Predominantly Upwind636.1
Predominantly Downwind621.2
Predominantly Reaching579.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7646
Triple Number Coastal/Long Distance Medium1.0132
Triple Number Coastal/Long Distance High1.1834
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9400
Coastal/Long Distance0.9214
Predominantly Upwind0.9432
Predominantly Downwind0.9659
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7646
Tretall Distanseseilas Mellomvind1.0132
Tretall Distanseseilas Mye vind1.1834
Tretall Pølsebane Lite vind0.5851
Tretall Pølsebane Mellomvind0.8123
Tretall Pølsebane Mye vind0.9400
Distanseseilas ett tall (OSN 8-16kn)0.9214
Distanseseilas ett tall (APH 6-20kn)1.0110
Enkeltall Motvind0.9432
Enkeltall Medvind0.9659
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Coastal/Long Distance651.20.9214
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind636.10.9432
Predominantly Downwind621.20.9659
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore619.50.9685
Cape Doctor Coastal487.91.2296
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7646
Triple Number Coastal/Long Distance Medium1.0132
Triple Number Coastal/Long Distance High1.1834
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9400
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7646
Triple Number Coastal/Long Distance Medium1.0132
Triple Number Coastal/Long Distance High1.1834
Triple Number Windward/Leeward Low0.5851
Triple Number Windward/Leeward Medium0.8123
Triple Number Windward/Leeward High0.9400
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Predominantly Upwind636.10.9432
Predominantly Downwind621.20.9659
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.20.9214
Triple Number Coastal/Long Distance Low784.70.7646
Triple Number Coastal/Long Distance Medium592.21.0132
Triple Number Coastal/Long Distance High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1152.9854.7701.0615.2564.0519.7438.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low784.70.7646
Triple Number All Purpose Medium592.21.0132
Triple Number All Purpose High507.01.1834
Triple Number Windward/Leeward Low1025.50.5851
Triple Number Windward/Leeward Medium738.60.8123
Triple Number Windward/Leeward High638.30.9400
Predominantly Upwind636.10.9432
Predominantly Downwind621.20.9659
Predominantly Upwind Low838.90.7152
Predominantly Upwind Medium648.70.9249
Predominantly Upwind High610.80.9823
Predominantly Downwind Low908.40.6605
Predominantly Downwind Medium625.90.9586
Predominantly Downwind High483.81.2403
Chicago-Mac Upwind0.9278
Chicago-Mac All Purpose0.9396
Chicago-Mac Downwind0.9471
Bayview-Mac Cove Island0.8767
Bayview-Mac Shore0.8970
Harvest Moon Regatta491.91.2196
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy623.70.9620
San Francisco Bay Medium732.90.8187
Predominantly Reaching558.31.0747
Predominantly Reaching Low713.80.8405
Predominantly Reaching Medium560.51.0705
Predominantly Reaching High462.41.2975
Windward/Leeward 60-40 Low1012.60.5925
Windward/Leeward 60-40 Medium751.80.7980
Windward/Leeward 60-40 High677.40.8857
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1125.60.5330
5-Band Low / Medium930.50.6448
5-Band Medium725.30.8272
5-Band Medium / High649.70.9235
5-Band High614.50.9764
ORC Ref  03440002L38Issued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Fortissimo

400

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMELGES 24 ODMeasurementHINPlan 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
P8.818IG8.620ISP9.777MDT10.076MDL10.120MDT20.062MDL20.075TL1.578MW0.114GO0.114
E3.800J2.506BAS1.000FSD0.000SFJ0.200SPLWPLTPS4.106BD0.103MWT28.00MCG3.150
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/03/2017MeasurerComment
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  03440002L38Issued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Fortissimo

400

Norges Seilforbund
Sognsveien 73
0854 OSLO
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  03440002L38Issued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org