Club Certificate2025
EXPLODE4USEX 434
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 Angles43.4°43.4°41.8°39.7°38.2°37.9°37.9°38.6°40.4°
Beat VMG2.172.983.614.054.294.374.414.394.26
52°3.364.555.375.806.026.126.186.226.18
60°3.584.785.575.956.176.296.366.426.41
75°3.724.935.706.086.326.516.656.796.84
90°3.755.015.856.246.466.606.817.137.29
110°3.755.045.916.356.696.997.237.587.86
120°3.574.865.786.276.657.007.378.088.71
135°3.124.325.296.016.426.797.188.2410.34
150°2.523.644.655.516.106.466.827.609.17
Run VMG2.183.154.034.805.495.966.326.987.94
Gybe Angles147.1°147.1°151.9°154.1°163.3°172.3°177.7°177.7°143.5°
APH ToD:646.2CDL: 6.650APH ToT: 0.9285CertNo:142303
BOAT
ClassEXPRESSDesignerPETER NORLINBuilderALBIN MARINEAge date01/1979Series date01/1978Offset fileL0016.bofData fileEX434
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)
MeasuredRatedMainsail18.6018.95Headsail Luffed14.2914.29Headsail FlyingSymmetric42.1342.13Asymmetric
STORM SAIL AREAS (m²)
Trysail5.57Storm Jib3.90Heavy Weather Jib10.53
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
ORC Club One Design Certificate kopie EX76
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
EXPLODE4USEX 434
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 VMG1659.91207.1996.2888.2838.6823.2816.2819.4845.3
52°1070.6792.0670.1620.5597.9587.8582.9579.1582.9
60°1004.7752.6646.0605.0583.9572.0566.1560.4561.7
75°967.0730.3631.9592.4569.9553.2541.5530.5526.7
90°961.2718.0614.9576.7557.4545.8528.8505.1493.8
110°959.0714.1609.2567.4538.5515.4497.8475.1458.2
120°1008.6741.1623.1574.4541.7514.1488.7445.3413.3
135°1153.6832.6680.0598.5561.2530.1501.4436.7348.2
150°1427.5990.1774.3652.8590.5557.0528.1473.7392.6
Run VMG1654.81143.3892.7750.0655.9603.7569.4516.1453.4
Selected Courses
Windward / Leeward1655.51175.2944.4819.1747.2713.5692.8667.7649.4
All purpose1244.0902.1743.8665.7623.5600.9583.9559.4538.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward786.60.7628
All purpose646.20.9285
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6574
Downwind "popa"0.8186
70% up, 30% down "Ilhabela"0.6987
30% up, 70% down "Ilhabela-inverso"0.7625
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Predominantly Upwind701.30.8555
Predominantly Downwind650.40.9225
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low822.90.7291
Triple Number AP Medium642.00.9346
Triple Number AP High579.01.0363
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Single Number Predominant Upwind729.90.8220
Single Number Predominant Reaching642.40.9340
Single Number Predominant Downwind678.20.8848
Predominant Upwind - Low994.10.6036
Predominant Upwind - Low/Med764.40.7849
Predominant Upwind - Medium679.90.8824
Predominant Upwind - Med/High641.40.9354
Predominant Upwind - High625.60.9590
Predominant Downwind Low989.90.6061
Predominant Downwind Low/Med734.40.8170
Predominant Downwind Medium628.00.9553
Predominant Downwind Med/High563.01.0657
Predominant Downwind High517.51.1594
Predominant Reaching Low878.80.6828
Predominant Reaching Low/Med678.40.8844
Predominant Reaching Medium603.30.9946
Predominant Reaching Med/High558.21.0749
Predominant Reaching High525.41.1420
SA/DSPL Upwind22.34SA/DSPL Downwind41.24
Scoring OptionTODTOT
5-Band Windward/Leeward Low1238.00.4846
5-Band Windward/Leeward Low/Med905.10.6629
5-Band Windward/Leeward Medium765.50.7838
5-Band Windward/Leeward Med/High696.60.8613
5-Band Windward/Leeward High668.90.8970
Windward/Leeward 60-40 Low1244.00.4823
Windward/Leeward 60-40 Low/Med917.30.6541
Windward/Leeward 60-40 Medium783.60.7657
Windward/Leeward 60-40 Med/High721.30.8319
Windward/Leeward 60-40 High699.80.8574
5-Band AP Low906.30.6620
5-Band AP Low/Med721.80.8312
5-Band AP Medium633.50.9471
5-Band AP Med/High586.01.0239
5-Band AP High559.91.0715
5-Band SF Bay Tour - Low1066.80.5624
5-Band SF Bay Tour - Low/Med867.80.6914
5-Band SF Bay Tour - Medium743.40.8071
5-Band SF Bay Tour - Med/High682.50.8791
5-Band SF Bay Tour - High655.30.9156
Chicago-Mac Upwind0.7989
Chicago-Mac All Purpose0.8284
Chicago-Mac Downwind0.8533
Bayview-Mac Cove Island0.6085
Bayview-Mac Shore0.6132
Harvest Moon Regatta562.61.0665
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance701.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating701.10.8558
FinRating, kevyt tuuli1214.60.8233
FinRating, kova tuuli562.10.8895
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8558
Triple Number Coastal/Long Distance Low0.7291
Triple Number Coastal/Long Distance Medium0.9346
Triple Number Coastal/Long Distance High1.0363
Triple Number Windward/Leeward Low0.5661
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
For information
General Purpose Handicap (GPH)723.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low822.9
Triple Number Coastal/Long Distance Medium642.0
Triple Number Coastal/Long Distance High579.0
Triple Number Windward/Leeward Low1059.9
Triple Number Windward/Leeward Medium779.2
Triple Number Windward/Leeward High688.5
Predominantly Upwind701.3
Predominantly Downwind650.4
Predominantly Reaching627.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7291
Triple Number Coastal/Long Distance Medium0.9346
Triple Number Coastal/Long Distance High1.0363
Triple Number Windward/Leeward Low0.5661
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8714
Coastal/Long Distance0.8558
Predominantly Upwind0.8555
Predominantly Downwind0.9225
For information
General Purpose Handicap (GPH)723.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9285
Distanseseilas Trippeltall svak vind0.7291
Distanseseilas Trippeltall mellomvind0.9346
Distanseseilas Trippeltall sterk vind1.0363
Pølsebane Trippeltall svak vind0.5661
Pølsebane Trippeltall mellomvind0.7700
Pølsebane Trippeltall sterk vind0.8714
Motvind Singeltall0.8555
Medvind Singeltall0.9225
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Coastal/Long Distance701.10.8558
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind701.30.8555
Predominantly Downwind650.40.9225
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore654.90.9162
Cape Doctor Coastal544.41.1021
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7291
Triple Number Coastal/Long Distance Medium0.9346
Triple Number Coastal/Long Distance High1.0363
Triple Number Windward/Leeward Low0.5661
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8714
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7291
Triple Number Coastal/Long Distance Medium0.9346
Triple Number Coastal/Long Distance High1.0363
Triple Number Windward/Leeward Low0.5661
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8714
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Predominantly Upwind701.30.8555
Predominantly Downwind650.40.9225
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance701.10.8558
Triple Number Coastal/Long Distance Low822.90.7291
Triple Number Coastal/Long Distance Medium642.00.9346
Triple Number Coastal/Long Distance High579.01.0363
Triple Number Windward/Leeward Low1059.90.5661
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1756.71172.0888.5743.6663.1623.1589.7533.4511.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low822.90.7291
Triple Number AP Medium642.00.9346
Triple Number AP High579.01.0363
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High688.50.8714
Single Number Predominant Upwind729.90.8220
Single Number Predominant Reaching642.40.9340
Single Number Predominant Downwind678.20.8848
Predominant Upwind - Low994.10.6036
Predominant Upwind - Low/Med764.40.7849
Predominant Upwind - Medium679.90.8824
Predominant Upwind - Med/High641.40.9354
Predominant Upwind - High625.60.9590
Predominant Downwind Low989.90.6061
Predominant Downwind Low/Med734.40.8170
Predominant Downwind Medium628.00.9553
Predominant Downwind Med/High563.01.0657
Predominant Downwind High517.51.1594
Predominant Reaching Low878.80.6828
Predominant Reaching Low/Med678.40.8844
Predominant Reaching Medium603.30.9946
Predominant Reaching Med/High558.21.0749
Predominant Reaching High525.41.1420
SA/DSPL Upwind22.34SA/DSPL Downwind41.24
Scoring OptionTODTOT
5-Band Windward/Leeward Low1238.00.4846
5-Band Windward/Leeward Low/Med905.10.6629
5-Band Windward/Leeward Medium765.50.7838
5-Band Windward/Leeward Med/High696.60.8613
5-Band Windward/Leeward High668.90.8970
Windward/Leeward 60-40 Low1244.00.4823
Windward/Leeward 60-40 Low/Med917.30.6541
Windward/Leeward 60-40 Medium783.60.7657
Windward/Leeward 60-40 Med/High721.30.8319
Windward/Leeward 60-40 High699.80.8574
5-Band AP Low906.30.6620
5-Band AP Low/Med721.80.8312
5-Band AP Medium633.50.9471
5-Band AP Med/High586.01.0239
5-Band AP High559.91.0715
5-Band SF Bay Tour - Low1066.80.5624
5-Band SF Bay Tour - Low/Med867.80.6914
5-Band SF Bay Tour - Medium743.40.8071
5-Band SF Bay Tour - Med/High682.50.8791
5-Band SF Bay Tour - High655.30.9156
Chicago-Mac Upwind0.7989
Chicago-Mac All Purpose0.8284
Chicago-Mac Downwind0.8533
Bayview-Mac Cove Island0.6085
Bayview-Mac Shore0.6132
Harvest Moon Regatta562.61.0665
Club Certificate2025
EXPLODE4USEX 434
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEXPRESSMeasurement08/03/2018HIN434Plan 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
EXPLODE4USEX 434
Deutscher Segler Verband e.V.
Soling 16
24159 Kiel Schilksee
technik@dsv.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1778360.140.721.272.062.7518.6017/04/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1778220.050.410.831.612.413.218.85YesNo 14.2917/04/0202
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment08.988.988.985.655.5542.1321/06/2023
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.