Double HandedClub Certificate2025
Team 24/7NOR 306
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles43.7°43.7°40.8°40.4°40.7°41.9°42.0°43.6°47.2°
Beat VMG2.623.514.074.234.284.314.334.213.88
52°4.125.366.046.236.326.386.426.376.11
60°4.395.656.306.506.636.726.796.786.57
75°4.555.866.576.937.167.337.457.547.49
90°4.525.806.567.247.647.968.218.568.77
110°4.595.976.807.327.808.419.069.9110.51
120°4.405.886.917.648.248.829.3810.4411.35
135°3.905.336.437.428.629.6610.4412.0213.53
150°3.114.465.626.467.408.499.8113.1215.46
Run VMG2.703.874.875.616.407.358.4911.3613.88
Gybe Angles142.0°142.0°147.6°152.0°148.3°145.1°143.1°148.8°152.8°
APH ToD:569.9CDL: 6.697APH ToT: 1.0527CertNo:20825
BOAT
ClassMELGES 24 ODDesignerREICHEL/PUGHBuilderAge date01/1997Series date12/1992Offset filemelg24.od.offData file20825
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 weight170 kg(default)Minimum weight120 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
✱ One set on the forestay
Spinnakers4
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.
Double HandedClub Certificate2025
Team 24/7NOR 306
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1372.11025.3883.5850.1840.6836.0832.1855.2928.3
52°873.2671.7596.2578.1569.9564.2560.5565.5589.7
60°819.9637.3571.6553.9543.3535.7530.4531.3547.9
75°791.7614.7547.7519.3503.0491.3483.2477.2480.8
90°796.6621.0549.0497.2470.9452.5438.6420.5410.6
110°784.9603.0529.5491.7461.6428.2397.3363.2342.4
120°817.4612.3521.3471.2437.0408.1383.8344.9317.1
135°922.8676.0560.0484.9417.7372.7344.9299.6266.1
150°1158.2806.6640.3557.0486.8423.9367.0274.4232.9
Run VMG1335.8931.4739.3641.7562.1489.5423.8316.8259.3
Selected Courses
Windward / Leeward1351.6978.4811.4745.9701.3662.8628.0586.0593.8
All purpose1014.9754.9642.1593.0559.6532.2509.2482.7484.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward714.30.8400
All purpose569.91.0527
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6860
Downwind "popa"1.0232
70% up, 30% down "Ilhabela"0.7612
30% up, 70% down "Ilhabela-inverso"0.8917
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Predominantly Upwind640.90.9362
Predominantly Downwind543.21.1046
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low698.50.8589
Triple Number AP Medium570.81.0511
Triple Number AP High505.01.1881
Triple Number Windward/Leeward Low934.20.6422
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Single Number Predominant Upwind661.40.9072
Single Number Predominant Reaching545.61.0998
Single Number Predominant Downwind562.31.0671
Predominant Upwind - Low837.30.7166
Predominant Upwind - Low/Med680.90.8812
Predominant Upwind - Medium628.20.9551
Predominant Upwind - Med/High598.01.0033
Predominant Upwind - High592.31.0130
Predominant Downwind Low816.50.7348
Predominant Downwind Low/Med622.40.9641
Predominant Downwind Medium528.41.1356
Predominant Downwind Med/High450.51.3319
Predominant Downwind High401.61.4939
Predominant Reaching Low735.70.8155
Predominant Reaching Low/Med584.61.0264
Predominant Reaching Medium516.31.1622
Predominant Reaching Med/High467.51.2835
Predominant Reaching High442.31.3565
SA/DSPL Upwind38.26SA/DSPL Downwind88.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low1030.50.5822
5-Band Windward/Leeward Low/Med796.60.7532
5-Band Windward/Leeward Medium705.30.8507
5-Band Windward/Leeward Med/High633.00.9478
5-Band Windward/Leeward High594.61.0091
Windward/Leeward 60-40 Low1039.70.5771
Windward/Leeward 60-40 Low/Med814.60.7366
Windward/Leeward 60-40 Medium733.10.8184
Windward/Leeward 60-40 Med/High673.90.8903
Windward/Leeward 60-40 High648.40.9253
5-Band AP Low755.20.7945
5-Band AP Low/Med629.30.9535
5-Band AP Medium563.21.0653
5-Band AP Med/High512.91.1698
5-Band AP High487.61.2306
5-Band SF Bay Tour - Low895.20.6703
5-Band SF Bay Tour - Low/Med763.70.7857
5-Band SF Bay Tour - Medium681.30.8806
5-Band SF Bay Tour - Med/High619.80.9681
5-Band SF Bay Tour - High590.71.0158
Chicago-Mac Upwind0.8853
Chicago-Mac All Purpose0.9512
Chicago-Mac Downwind1.0195
Bayview-Mac Cove Island0.7185
Bayview-Mac Shore0.7234
Harvest Moon Regatta461.61.2998
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance620.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating620.80.9666
FinRating, kevyt tuuli1008.00.9920
FinRating, kova tuuli489.41.0217
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9666
Triple Number Coastal/Long Distance Low0.8589
Triple Number Coastal/Long Distance Medium1.0512
Triple Number Coastal/Long Distance High1.1881
Triple Number Windward/Leeward Low0.6705
Triple Number Windward/Leeward Medium0.8383
Triple Number Windward/Leeward High0.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
For information
General Purpose Handicap (GPH)632.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low698.6
Triple Number Coastal/Long Distance Medium570.8
Triple Number Coastal/Long Distance High505.0
Triple Number Windward/Leeward Low894.9
Triple Number Windward/Leeward Medium715.7
Triple Number Windward/Leeward High620.9
Predominantly Upwind640.9
Predominantly Downwind543.2
Predominantly Reaching528.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8589
Triple Number Coastal/Long Distance Medium1.0512
Triple Number Coastal/Long Distance High1.1881
Triple Number Windward/Leeward Low0.6705
Triple Number Windward/Leeward Medium0.8383
Triple Number Windward/Leeward High0.9663
Coastal/Long Distance0.9666
Predominantly Upwind0.9362
Predominantly Downwind1.1046
For information
General Purpose Handicap (GPH)632.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0527
Distanseseilas Trippeltall svak vind0.8589
Distanseseilas Trippeltall mellomvind1.0512
Distanseseilas Trippeltall sterk vind1.1881
Pølsebane Trippeltall svak vind0.6705
Pølsebane Trippeltall mellomvind0.8383
Pølsebane Trippeltall sterk vind0.9663
Motvind Singeltall0.9362
Medvind Singeltall1.1046
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Coastal/Long Distance620.80.9666
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind640.90.9362
Predominantly Downwind543.21.1046
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore591.51.0145
Cape Doctor Coastal483.81.2403
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8589
Triple Number Coastal/Long Distance Medium1.0512
Triple Number Coastal/Long Distance High1.1881
Triple Number Windward/Leeward Low0.6705
Triple Number Windward/Leeward Medium0.8383
Triple Number Windward/Leeward High0.9663
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8589
Triple Number Coastal/Long Distance Medium1.0512
Triple Number Coastal/Long Distance High1.1881
Triple Number Windward/Leeward Low0.6705
Triple Number Windward/Leeward Medium0.8383
Triple Number Windward/Leeward High0.9663
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Predominantly Upwind640.90.9362
Predominantly Downwind543.21.1046
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.80.9666
Triple Number Coastal/Long Distance Low698.60.8589
Triple Number Coastal/Long Distance Medium570.81.0512
Triple Number Coastal/Long Distance High505.01.1881
Triple Number Windward/Leeward Low894.90.6705
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.7973.7763.2669.5603.6555.5512.5447.8440.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low698.50.8589
Triple Number AP Medium570.81.0511
Triple Number AP High505.01.1881
Triple Number Windward/Leeward Low934.20.6422
Triple Number Windward/Leeward Medium715.70.8383
Triple Number Windward/Leeward High620.90.9663
Single Number Predominant Upwind661.40.9072
Single Number Predominant Reaching545.61.0998
Single Number Predominant Downwind562.31.0671
Predominant Upwind - Low837.30.7166
Predominant Upwind - Low/Med680.90.8812
Predominant Upwind - Medium628.20.9551
Predominant Upwind - Med/High598.01.0033
Predominant Upwind - High592.31.0130
Predominant Downwind Low816.50.7348
Predominant Downwind Low/Med622.40.9641
Predominant Downwind Medium528.41.1356
Predominant Downwind Med/High450.51.3319
Predominant Downwind High401.61.4939
Predominant Reaching Low735.70.8155
Predominant Reaching Low/Med584.61.0264
Predominant Reaching Medium516.31.1622
Predominant Reaching Med/High467.51.2835
Predominant Reaching High442.31.3565
SA/DSPL Upwind38.26SA/DSPL Downwind88.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low1030.50.5822
5-Band Windward/Leeward Low/Med796.60.7532
5-Band Windward/Leeward Medium705.30.8507
5-Band Windward/Leeward Med/High633.00.9478
5-Band Windward/Leeward High594.61.0091
Windward/Leeward 60-40 Low1039.70.5771
Windward/Leeward 60-40 Low/Med814.60.7366
Windward/Leeward 60-40 Medium733.10.8184
Windward/Leeward 60-40 Med/High673.90.8903
Windward/Leeward 60-40 High648.40.9253
5-Band AP Low755.20.7945
5-Band AP Low/Med629.30.9535
5-Band AP Medium563.21.0653
5-Band AP Med/High512.91.1698
5-Band AP High487.61.2306
5-Band SF Bay Tour - Low895.20.6703
5-Band SF Bay Tour - Low/Med763.70.7857
5-Band SF Bay Tour - Medium681.30.8806
5-Band SF Bay Tour - Med/High619.80.9681
5-Band SF Bay Tour - High590.71.0158
Chicago-Mac Upwind0.8853
Chicago-Mac All Purpose0.9512
Chicago-Mac Downwind1.0195
Bayview-Mac Cove Island0.7185
Bayview-Mac Shore0.7234
Harvest Moon Regatta461.61.2998
Double HandedClub Certificate2025
Team 24/7NOR 306
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 L7.083LSM06.692Acc. length7.509Sink (kg/mm) 8.78
VCGD0.040VCGM0.020RM Rated (kg·m) 25.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
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
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA1MIN 12kg OUTBOARD   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1EngineMIN 12kg OUTBOARDTotal deductible
Double HandedClub Certificate2025
Team 24/7NOR 306
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
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA11.5911.0811.345.866.3093%56.18CLASS RULES & MEAS