Club Certificate2025
EXPLOSIVEX 505
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
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 Angles43.6°43.6°41.9°39.9°38.4°38.1°38.1°38.8°40.7°
Beat VMG2.162.973.604.044.284.364.404.384.24
52°3.354.535.365.806.026.126.176.216.17
60°3.584.785.575.956.166.296.356.426.40
75°3.724.935.706.086.326.516.656.786.83
90°3.745.015.856.246.466.606.817.137.29
110°3.755.045.916.346.686.997.237.587.83
120°3.574.855.786.276.647.007.368.098.71
135°3.124.335.296.016.416.797.178.2310.32
150°2.523.644.655.516.096.466.817.599.14
Run VMG2.183.154.044.805.495.966.326.987.92
Gybe Angles147.4°147.4°151.9°154.2°163.5°172.7°177.7°178.1°143.5°
APH ToD:646.9CDL: 6.632APH ToT: 0.9274CertNo:142710
BOAT
ClassEXPRESSDesignerPETER NORLINBuilderALBIN MARINEAge date01/1979Series date01/1978Offset fileL0016.bofData fileEX505
HULL
Length Overall7.798 mMaximum Beam2.524 mDraft1.429 mDisplacement1,782 kgDLR6.1136IMS DivisionSportboatDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight385 kg(declared)Minimum weight255 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.7419.11Headsail Luffed14.5014.50Headsail FlyingSymmetric41.6541.65Asymmetric
STORM SAIL AREAS (m²)
Trysail5.57Storm Jib3.90Heavy Weather Jib10.53
SAIL LIMITS
Headsails5
✱ Woven polyester sails
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.
Club Certificate2025
EXPLOSIVEX 505
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
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 VMG1668.41212.51000.0891.2841.0825.6818.7822.2849.0
52°1074.3794.1671.2621.0598.3588.4583.4579.7583.6
60°1006.9753.6646.3605.2584.1572.3566.6560.8562.1
75°966.8730.0631.5592.2569.7553.1541.6530.6526.8
90°963.7719.1615.2576.8557.3545.3528.3505.0493.8
110°960.8714.9609.5567.5538.5515.3497.7474.9459.5
120°1009.4741.5623.3574.5541.8514.3489.0445.2413.2
135°1152.3832.1680.0598.9561.5530.4501.8437.3348.7
150°1426.2989.3773.8652.9590.8557.3528.4474.1393.7
Run VMG1653.01142.3892.1749.9656.0603.8569.5516.1454.6
Selected Courses
Windward / Leeward1659.01177.4946.1820.6748.5714.7694.1669.2651.8
All purpose1246.3903.4744.7666.5624.2601.5584.6560.2539.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward788.00.7615
All purpose646.90.9274
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6551
Downwind "popa"0.8187
70% up, 30% down "Ilhabela"0.6969
30% up, 70% down "Ilhabela-inverso"0.7617
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Predominantly Upwind702.50.8541
Predominantly Downwind650.70.9220
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low824.10.7281
Triple Number AP Medium642.70.9336
Triple Number AP High579.61.0351
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Single Number Predominant Upwind731.30.8205
Single Number Predominant Reaching642.90.9333
Single Number Predominant Downwind678.50.8842
Predominant Upwind - Low996.70.6020
Predominant Upwind - Low/Med765.90.7834
Predominant Upwind - Medium681.00.8811
Predominant Upwind - Med/High642.40.9340
Predominant Upwind - High626.80.9572
Predominant Downwind Low990.30.6059
Predominant Downwind Low/Med734.70.8166
Predominant Downwind Medium628.40.9548
Predominant Downwind Med/High563.41.0650
Predominant Downwind High518.11.1582
Predominant Reaching Low879.90.6819
Predominant Reaching Low/Med679.00.8837
Predominant Reaching Medium603.60.9940
Predominant Reaching Med/High558.51.0744
Predominant Reaching High525.81.1410
SA/DSPL Upwind22.58SA/DSPL Downwind41.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low1240.40.4837
5-Band Windward/Leeward Low/Med906.70.6617
5-Band Windward/Leeward Medium766.90.7824
5-Band Windward/Leeward Med/High697.90.8597
5-Band Windward/Leeward High670.50.8949
Windward/Leeward 60-40 Low1247.00.4812
Windward/Leeward 60-40 Low/Med919.30.6527
Windward/Leeward 60-40 Medium785.10.7642
Windward/Leeward 60-40 Med/High722.80.8301
Windward/Leeward 60-40 High701.60.8551
5-Band AP Low907.20.6614
5-Band AP Low/Med722.70.8302
5-Band AP Medium634.20.9461
5-Band AP Med/High586.61.0228
5-Band AP High560.81.0699
5-Band SF Bay Tour - Low1069.00.5613
5-Band SF Bay Tour - Low/Med869.50.6901
5-Band SF Bay Tour - Medium744.80.8056
5-Band SF Bay Tour - Med/High683.80.8774
5-Band SF Bay Tour - High656.90.9134
Chicago-Mac Upwind0.7973
Chicago-Mac All Purpose0.8273
Chicago-Mac Downwind0.8529
Bayview-Mac Cove Island0.6075
Bayview-Mac Shore0.6121
Harvest Moon Regatta562.81.0662
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance702.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating702.00.8547
FinRating, kevyt tuuli1216.70.8219
FinRating, kova tuuli562.90.8882
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8547
Triple Number Coastal/Long Distance Low0.7281
Triple Number Coastal/Long Distance Medium0.9337
Triple Number Coastal/Long Distance High1.0351
Triple Number Windward/Leeward Low0.5651
Triple Number Windward/Leeward Medium0.7687
Triple Number Windward/Leeward High0.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
For information
General Purpose Handicap (GPH)724.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low824.1
Triple Number Coastal/Long Distance Medium642.6
Triple Number Coastal/Long Distance High579.7
Triple Number Windward/Leeward Low1061.8
Triple Number Windward/Leeward Medium780.5
Triple Number Windward/Leeward High689.9
Predominantly Upwind702.5
Predominantly Downwind650.7
Predominantly Reaching627.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7281
Triple Number Coastal/Long Distance Medium0.9337
Triple Number Coastal/Long Distance High1.0351
Triple Number Windward/Leeward Low0.5651
Triple Number Windward/Leeward Medium0.7687
Triple Number Windward/Leeward High0.8697
Coastal/Long Distance0.8547
Predominantly Upwind0.8541
Predominantly Downwind0.9220
For information
General Purpose Handicap (GPH)724.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9274
Distanseseilas Trippeltall svak vind0.7281
Distanseseilas Trippeltall mellomvind0.9337
Distanseseilas Trippeltall sterk vind1.0351
Pølsebane Trippeltall svak vind0.5651
Pølsebane Trippeltall mellomvind0.7687
Pølsebane Trippeltall sterk vind0.8697
Motvind Singeltall0.8541
Medvind Singeltall0.9220
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Coastal/Long Distance702.00.8547
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind702.50.8541
Predominantly Downwind650.70.9220
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore657.00.9132
Cape Doctor Coastal545.61.0997
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7281
Triple Number Coastal/Long Distance Medium0.9337
Triple Number Coastal/Long Distance High1.0351
Triple Number Windward/Leeward Low0.5651
Triple Number Windward/Leeward Medium0.7687
Triple Number Windward/Leeward High0.8697
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7281
Triple Number Coastal/Long Distance Medium0.9337
Triple Number Coastal/Long Distance High1.0351
Triple Number Windward/Leeward Low0.5651
Triple Number Windward/Leeward Medium0.7687
Triple Number Windward/Leeward High0.8697
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Predominantly Upwind702.50.8541
Predominantly Downwind650.70.9220
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance702.00.8547
Triple Number Coastal/Long Distance Low824.10.7281
Triple Number Coastal/Long Distance Medium642.60.9337
Triple Number Coastal/Long Distance High579.71.0351
Triple Number Windward/Leeward Low1061.80.5651
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1759.81173.9889.8744.7664.0623.8590.3533.7512.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low824.10.7281
Triple Number AP Medium642.70.9336
Triple Number AP High579.61.0351
Triple Number Windward/Leeward Low1109.10.5410
Triple Number Windward/Leeward Medium780.50.7687
Triple Number Windward/Leeward High689.90.8697
Single Number Predominant Upwind731.30.8205
Single Number Predominant Reaching642.90.9333
Single Number Predominant Downwind678.50.8842
Predominant Upwind - Low996.70.6020
Predominant Upwind - Low/Med765.90.7834
Predominant Upwind - Medium681.00.8811
Predominant Upwind - Med/High642.40.9340
Predominant Upwind - High626.80.9572
Predominant Downwind Low990.30.6059
Predominant Downwind Low/Med734.70.8166
Predominant Downwind Medium628.40.9548
Predominant Downwind Med/High563.41.0650
Predominant Downwind High518.11.1582
Predominant Reaching Low879.90.6819
Predominant Reaching Low/Med679.00.8837
Predominant Reaching Medium603.60.9940
Predominant Reaching Med/High558.51.0744
Predominant Reaching High525.81.1410
SA/DSPL Upwind22.58SA/DSPL Downwind41.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low1240.40.4837
5-Band Windward/Leeward Low/Med906.70.6617
5-Band Windward/Leeward Medium766.90.7824
5-Band Windward/Leeward Med/High697.90.8597
5-Band Windward/Leeward High670.50.8949
Windward/Leeward 60-40 Low1247.00.4812
Windward/Leeward 60-40 Low/Med919.30.6527
Windward/Leeward 60-40 Medium785.10.7642
Windward/Leeward 60-40 Med/High722.80.8301
Windward/Leeward 60-40 High701.60.8551
5-Band AP Low907.20.6614
5-Band AP Low/Med722.70.8302
5-Band AP Medium634.20.9461
5-Band AP Med/High586.61.0228
5-Band AP High560.81.0699
5-Band SF Bay Tour - Low1069.00.5613
5-Band SF Bay Tour - Low/Med869.50.6901
5-Band SF Bay Tour - Medium744.80.8056
5-Band SF Bay Tour - Med/High683.80.8774
5-Band SF Bay Tour - High656.90.9134
Chicago-Mac Upwind0.7973
Chicago-Mac All Purpose0.8273
Chicago-Mac Downwind0.8529
Bayview-Mac Cove Island0.6075
Bayview-Mac Shore0.6121
Harvest Moon Regatta562.81.0662
Club Certificate2025
EXPLOSIVEX 505
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEXPRESSMeasurement07/06/2024HIN505Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.798Max. Beam2.524Draft1.429Displacement1,782Wetted area12.58IMS L6.959LSM06.630Acc. length7.798Sink (kg/mm) 9.18
VCGD-0.016VCGM0.022RM Rated (kg·m) 29.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight383Declared crew weight385
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P9.500IG8.830ISP8.795MDT10.090MDL10.130MDT20.090MDL20.130TL0.000MW0.130GO0.130
E3.350J3.050BAS1.170FSD0.000SFJSPL3.170WPLTPS0.000BD0.100MWT39.00MCG4.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.030Flotation Date01/01/1980
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
EXPLOSIVEX 505
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1779450.140.731.292.092.7618.7413/02/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1778110.070.450.851.632.433.218.88YesNo 14.5018/03/2024
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment1778398.908.908.905.625.6041.6526/03/2024
CRUISER/RACER REQUIREMENTS*
Accommodation length7.8 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity18 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.