Club Certificate2025
Atomic BlueDEN 150
Danish Sailing Association
Idrættens Hus
2605 Brøndby
DENMARK
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 Angles42.6°42.6°41.0°38.4°37.1°36.8°36.9°37.7°39.6°
Beat VMG2.173.013.674.154.364.434.474.464.36
52°3.354.555.415.866.136.266.346.436.40
60°3.574.785.596.026.386.566.686.826.84
75°3.724.925.696.186.667.057.277.577.70
90°4.035.276.026.406.727.277.818.448.84
110°4.105.396.267.017.548.008.459.3010.39
120°3.925.236.176.997.848.539.1110.2911.72
135°3.404.685.696.517.368.329.5112.1713.78
150°2.773.975.005.776.507.228.0811.3114.42
Run VMG2.403.444.334.995.636.266.999.8012.49
Gybe Angles144.4°144.4°148.3°150.3°149.4°147.0°145.1°142.8°147.5°
APH ToD:610.0CDL: 6.335APH ToT: 0.9836CertNo:37466
BOAT
ClassMelges 20DesignerReichel/PughBuilderMelges PerformanceAge date01/2009Series date01/2009Offset fileMELG20.od.offData file37466 - Melges 20 DEN 150
HULL
Length Overall6.135 mMaximum Beam2.130 mDraft1.396 mDisplacement562 kgDLR2.9517IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight300 kg(declared)Minimum weight170 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail14.3815.01Headsail Luffed7.707.70Headsail FlyingSymmetricAsymmetric41.5741.57 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail3.75Storm Jib2.44Heavy Weather Jib6.57
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Electric engine 10 kg Batteri 23 kg
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.
Club Certificate2025
Atomic BlueDEN 150
Danish Sailing Association
Idrættens Hus
2605 Brøndby
DENMARK
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 VMG1657.91197.8980.0867.1825.5812.1806.0808.1826.4
52°1076.2791.4665.8614.8587.5575.5567.8559.8562.1
60°1009.1753.6644.4598.3564.5549.0539.3527.6526.3
75°968.6732.3632.5582.3540.2510.5495.3475.5467.5
90°893.0682.6597.8562.1535.8495.5461.2426.7407.3
110°877.6668.0575.3513.8477.5449.8425.8386.9346.6
120°918.4688.1583.7515.2459.1421.8395.0349.7307.2
135°1060.2769.2632.2552.8489.3432.6378.5295.7261.2
150°1299.5907.6720.5624.3554.2498.4445.7318.2249.6
Run VMG1500.31048.0832.0720.8639.9575.5514.7367.4288.2
Selected Courses
Windward / Leeward1578.31122.9906.0793.9732.7693.8660.3587.7557.3
All purpose1186.4865.1716.5639.7592.9559.5532.0483.9461.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward759.50.7900
All purpose610.00.9836
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6670
Downwind "popa"0.8939
70% up, 30% down "Ilhabela"0.7220
30% up, 70% down "Ilhabela-inverso"0.8112
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Predominantly Upwind678.30.8845
Predominantly Downwind605.00.9918
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low790.80.7587
Triple Number AP Medium610.50.9828
Triple Number AP High520.81.1520
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Single Number Predominant Upwind703.10.8533
Single Number Predominant Reaching597.51.0042
Single Number Predominant Downwind624.40.9609
Predominant Upwind - Low969.80.6187
Predominant Upwind - Low/Med744.80.8056
Predominant Upwind - Medium657.40.9127
Predominant Upwind - Med/High605.60.9908
Predominant Upwind - High578.61.0370
Predominant Downwind Low928.10.6465
Predominant Downwind Low/Med696.20.8618
Predominant Downwind Medium587.61.0210
Predominant Downwind Med/High491.11.2217
Predominant Downwind High415.81.4431
Predominant Reaching Low836.30.7174
Predominant Reaching Low/Med650.10.9229
Predominant Reaching Medium566.51.0591
Predominant Reaching Med/High493.01.2171
Predominant Reaching High444.61.3497
SA/DSPL Upwind32.48SA/DSPL Downwind82.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1182.70.5073
5-Band Windward/Leeward Low/Med872.80.6874
5-Band Windward/Leeward Medium744.80.8056
5-Band Windward/Leeward Med/High659.80.9094
5-Band Windward/Leeward High595.01.0083
Windward/Leeward 60-40 Low1197.80.5009
Windward/Leeward 60-40 Low/Med888.20.6756
Windward/Leeward 60-40 Medium764.10.7853
Windward/Leeward 60-40 Med/High689.60.8701
Windward/Leeward 60-40 High638.20.9401
5-Band AP Low865.10.6936
5-Band AP Low/Med693.10.8657
5-Band AP Medium600.30.9995
5-Band AP Med/High533.71.1243
5-Band AP High488.31.2287
5-Band SF Bay Tour - Low1023.30.5863
5-Band SF Bay Tour - Low/Med835.60.7180
5-Band SF Bay Tour - Medium715.90.8381
5-Band SF Bay Tour - Med/High638.70.9395
5-Band SF Bay Tour - High584.11.0271
Chicago-Mac Upwind0.8261
Chicago-Mac All Purpose0.8718
Chicago-Mac Downwind0.9160
Bayview-Mac Cove Island0.6367
Bayview-Mac Shore0.6409
Harvest Moon Regatta502.61.1939
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance663.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating663.90.9038
FinRating, kevyt tuuli1157.70.8638
FinRating, kova tuuli488.21.0241
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9038
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9829
Triple Number Coastal/Long Distance High1.1520
Triple Number Windward/Leeward Low0.5915
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
For information
General Purpose Handicap (GPH)686.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low790.8
Triple Number Coastal/Long Distance Medium610.4
Triple Number Coastal/Long Distance High520.8
Triple Number Windward/Leeward Low1014.4
Triple Number Windward/Leeward Medium757.9
Triple Number Windward/Leeward High641.5
Predominantly Upwind678.3
Predominantly Downwind605.0
Predominantly Reaching584.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9829
Triple Number Coastal/Long Distance High1.1520
Triple Number Windward/Leeward Low0.5915
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.9353
Coastal/Long Distance0.9038
Predominantly Upwind0.8845
Predominantly Downwind0.9918
For information
General Purpose Handicap (GPH)686.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9836
Distanseseilas Trippeltall svak vind0.7587
Distanseseilas Trippeltall mellomvind0.9829
Distanseseilas Trippeltall sterk vind1.1520
Pølsebane Trippeltall svak vind0.5915
Pølsebane Trippeltall mellomvind0.7917
Pølsebane Trippeltall sterk vind0.9353
Motvind Singeltall0.8845
Medvind Singeltall0.9918
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Coastal/Long Distance663.90.9038
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind678.30.8845
Predominantly Downwind605.00.9918
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore566.41.0593
Cape Doctor Coastal468.01.2821
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9829
Triple Number Coastal/Long Distance High1.1520
Triple Number Windward/Leeward Low0.5915
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.9353
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7587
Triple Number Coastal/Long Distance Medium0.9829
Triple Number Coastal/Long Distance High1.1520
Triple Number Windward/Leeward Low0.5915
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.9353
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Predominantly Upwind678.30.8845
Predominantly Downwind605.00.9918
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance663.90.9038
Triple Number Coastal/Long Distance Low790.80.7587
Triple Number Coastal/Long Distance Medium610.40.9829
Triple Number Coastal/Long Distance High520.81.1520
Triple Number Windward/Leeward Low1014.40.5915
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1660.21115.4852.1717.6633.9581.6535.6454.0426.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low790.80.7587
Triple Number AP Medium610.50.9828
Triple Number AP High520.81.1520
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High641.50.9353
Single Number Predominant Upwind703.10.8533
Single Number Predominant Reaching597.51.0042
Single Number Predominant Downwind624.40.9609
Predominant Upwind - Low969.80.6187
Predominant Upwind - Low/Med744.80.8056
Predominant Upwind - Medium657.40.9127
Predominant Upwind - Med/High605.60.9908
Predominant Upwind - High578.61.0370
Predominant Downwind Low928.10.6465
Predominant Downwind Low/Med696.20.8618
Predominant Downwind Medium587.61.0210
Predominant Downwind Med/High491.11.2217
Predominant Downwind High415.81.4431
Predominant Reaching Low836.30.7174
Predominant Reaching Low/Med650.10.9229
Predominant Reaching Medium566.51.0591
Predominant Reaching Med/High493.01.2171
Predominant Reaching High444.61.3497
SA/DSPL Upwind32.48SA/DSPL Downwind82.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1182.70.5073
5-Band Windward/Leeward Low/Med872.80.6874
5-Band Windward/Leeward Medium744.80.8056
5-Band Windward/Leeward Med/High659.80.9094
5-Band Windward/Leeward High595.01.0083
Windward/Leeward 60-40 Low1197.80.5009
Windward/Leeward 60-40 Low/Med888.20.6756
Windward/Leeward 60-40 Medium764.10.7853
Windward/Leeward 60-40 Med/High689.60.8701
Windward/Leeward 60-40 High638.20.9401
5-Band AP Low865.10.6936
5-Band AP Low/Med693.10.8657
5-Band AP Medium600.30.9995
5-Band AP Med/High533.71.1243
5-Band AP High488.31.2287
5-Band SF Bay Tour - Low1023.30.5863
5-Band SF Bay Tour - Low/Med835.60.7180
5-Band SF Bay Tour - Medium715.90.8381
5-Band SF Bay Tour - Med/High638.70.9395
5-Band SF Bay Tour - High584.11.0271
Chicago-Mac Upwind0.8261
Chicago-Mac All Purpose0.8718
Chicago-Mac Downwind0.9160
Bayview-Mac Cove Island0.6367
Bayview-Mac Shore0.6409
Harvest Moon Regatta502.61.1939
Club Certificate2025
Atomic BlueDEN 150
Danish Sailing Association
Idrættens Hus
2605 Brøndby
DENMARK
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMelges 20MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA6.135Max. Beam2.130Draft1.396Displacement562Wetted area7.58IMS L6.126LSM05.754Acc. length6.135Sink (kg/mm) 6.02
VCGD-0.224VCGM-0.227RM Rated (kg·m) 13.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight281Declared crew weight300
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P7.250IG6.910ISP8.460MDT10.060MDL10.100MDT2MDL2TLTaperMW0.100GO0.120
E2.950J2.150BAS0.910FSDNo FoilSFJ0.100SPLWPLTPS3.720BD0.100MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/09/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Atomic BlueDEN 150
Danish Sailing Association
Idrættens Hus
2605 Brøndby
DENMARK
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment927320.650.981.492.182.5114.38
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment927300.480.992.287.00NoNo 7.70
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment306849.967.878.925.585.6699%41.57R2 runner306939.957.748.855.235.5894%39.07V4 Reacher