Club Certificate2025
Rowdy-DowNED 8897
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°40.4°38.5°37.4°36.8°36.6°37.1°38.4°
Beat VMG2.613.584.334.835.065.175.245.315.24
52°4.065.426.336.837.057.167.237.317.33
60°4.325.686.536.987.227.337.417.517.55
75°4.495.856.677.107.377.567.697.867.94
90°4.305.746.697.187.437.657.888.208.41
110°4.235.716.757.277.647.958.218.598.97
120°4.045.516.587.187.587.948.329.099.70
135°3.514.916.056.847.337.728.119.1110.95
150°2.864.125.266.226.917.367.738.529.77
Run VMG2.483.574.565.416.146.737.177.898.64
Gybe Angles144.7°144.7°149.8°153.4°160.7°168.2°177.2°178.1°169.4°
APH ToD:558.0CDL: 9.140APH ToT: 1.0754CertNo:
BOAT
ClassDEHLER 36 DBDesignerDEHLER/V.D.STADTBuilderDEHLERAge date01/1990Series date01/1989Offset fileDEHLER36DB-NED8897.offData fileNED8897
HULL
Length Overall11.000 mMaximum Beam3.458 mDraft2.091 mDisplacement5,169 kgDLR6.6389IMS DivisionCruiser/RacerDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.432m
CREW
Maximum weight611 kg(default)Minimum weight481 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail44.5745.75Headsail Luffed28.0128.01Headsail FlyingSymmetric84.0084.00Asymmetric
STORM SAIL AREAS (m²)
Trysail12.71Storm Jib9.20Heavy Weather Jib24.83
SAIL LIMITS
Headsails5Spinnakers4
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
Rowdy-DowNED 8897
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 VMG1379.81004.8831.2746.0711.7695.9686.7678.2687.0
52°885.9664.3569.0527.4510.4503.0498.0492.2491.1
60°833.2633.4551.1515.7499.0490.9485.8479.3477.1
75°802.5614.9539.7507.0488.2475.9468.0458.2453.4
90°837.0627.4537.9501.1484.4470.4457.1439.1428.3
110°851.6630.1533.6494.9471.4452.7438.4419.0401.5
120°890.0653.1547.3501.3474.8453.1432.8396.0371.2
135°1024.8733.2595.2526.0491.2466.1443.8395.4328.7
150°1258.5873.5684.5579.0520.7489.4465.6422.3368.3
Run VMG1453.61008.6790.3666.0586.0535.3501.9456.5416.8
Selected Courses
Windward / Leeward1415.41006.7810.8706.0648.9615.6594.3567.4551.9
All purpose1066.1775.0640.5574.2539.8519.2504.2481.7463.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward678.20.8847
All purpose558.01.0754
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7844
Downwind "popa"0.9242
70% up, 30% down "Ilhabela"0.8217
30% up, 70% down "Ilhabela-inverso"0.8773
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Predominantly Upwind600.20.9997
Predominantly Downwind568.21.0559
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low707.80.8477
Triple Number AP Medium554.61.0819
Triple Number AP High499.51.2011
Triple Number Windward/Leeward Low949.10.6322
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Single Number Predominant Upwind622.80.9634
Single Number Predominant Reaching556.91.0775
Single Number Predominant Downwind592.51.0126
Predominant Upwind - Low843.00.7118
Predominant Upwind - Low/Med652.00.9203
Predominant Upwind - Medium582.41.0302
Predominant Upwind - Med/High548.21.0945
Predominant Upwind - High531.41.1291
Predominant Downwind Low862.80.6954
Predominant Downwind Low/Med641.10.9359
Predominant Downwind Medium549.01.0929
Predominant Downwind Med/High491.71.2202
Predominant Downwind High454.51.3201
Predominant Reaching Low760.80.7887
Predominant Reaching Low/Med588.11.0203
Predominant Reaching Medium523.01.1471
Predominant Reaching Med/High483.91.2400
Predominant Reaching High457.01.3130
SA/DSPL Upwind24.14SA/DSPL Downwind42.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1060.20.5659
5-Band Windward/Leeward Low/Med778.80.7704
5-Band Windward/Leeward Medium661.70.9067
5-Band Windward/Leeward Med/High597.91.0035
5-Band Windward/Leeward High569.31.0538
Windward/Leeward 60-40 Low1059.20.5665
Windward/Leeward 60-40 Low/Med784.80.7645
Windward/Leeward 60-40 Medium673.90.8904
Windward/Leeward 60-40 Med/High616.10.9738
Windward/Leeward 60-40 High591.71.0140
5-Band AP Low782.10.7672
5-Band AP Low/Med622.10.9645
5-Band AP Medium547.51.0959
5-Band AP Med/High506.01.1859
5-Band AP High482.51.2436
5-Band SF Bay Tour - Low912.40.6576
5-Band SF Bay Tour - Low/Med744.70.8057
5-Band SF Bay Tour - Medium640.70.9364
5-Band SF Bay Tour - Med/High585.31.0250
5-Band SF Bay Tour - High558.01.0752
Chicago-Mac Upwind0.9366
Chicago-Mac All Purpose0.9596
Chicago-Mac Downwind0.9766
Bayview-Mac Cove Island0.7081
Bayview-Mac Shore0.7139
Harvest Moon Regatta490.11.2243
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance605.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating605.60.9908
FinRating, kevyt tuuli1042.10.9596
FinRating, kova tuuli485.11.0308
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9908
Triple Number Coastal/Long Distance Low0.8477
Triple Number Coastal/Long Distance Medium1.0820
Triple Number Coastal/Long Distance High1.2011
Triple Number Windward/Leeward Low0.6603
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
For information
General Purpose Handicap (GPH)624.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low707.8
Triple Number Coastal/Long Distance Medium554.5
Triple Number Coastal/Long Distance High499.5
Triple Number Windward/Leeward Low908.7
Triple Number Windward/Leeward Medium673.1
Triple Number Windward/Leeward High589.5
Predominantly Upwind600.2
Predominantly Downwind568.2
Predominantly Reaching546.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8477
Triple Number Coastal/Long Distance Medium1.0820
Triple Number Coastal/Long Distance High1.2011
Triple Number Windward/Leeward Low0.6603
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0178
Coastal/Long Distance0.9908
Predominantly Upwind0.9997
Predominantly Downwind1.0559
For information
General Purpose Handicap (GPH)624.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0754
Distanseseilas Trippeltall svak vind0.8477
Distanseseilas Trippeltall mellomvind1.0820
Distanseseilas Trippeltall sterk vind1.2011
Pølsebane Trippeltall svak vind0.6603
Pølsebane Trippeltall mellomvind0.8914
Pølsebane Trippeltall sterk vind1.0178
Motvind Singeltall0.9997
Medvind Singeltall1.0559
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Coastal/Long Distance605.60.9908
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind600.20.9997
Predominantly Downwind568.21.0559
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore556.51.0781
Cape Doctor Coastal469.01.2794
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8477
Triple Number Coastal/Long Distance Medium1.0820
Triple Number Coastal/Long Distance High1.2011
Triple Number Windward/Leeward Low0.6603
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0178
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8477
Triple Number Coastal/Long Distance Medium1.0820
Triple Number Coastal/Long Distance High1.2011
Triple Number Windward/Leeward Low0.6603
Triple Number Windward/Leeward Medium0.8914
Triple Number Windward/Leeward High1.0178
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Predominantly Upwind600.20.9997
Predominantly Downwind568.21.0559
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance605.60.9908
Triple Number Coastal/Long Distance Low707.80.8477
Triple Number Coastal/Long Distance Medium554.51.0820
Triple Number Coastal/Long Distance High499.51.2011
Triple Number Windward/Leeward Low908.70.6603
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1506.41006.9764.6641.4574.0538.3509.6462.3444.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low707.80.8477
Triple Number AP Medium554.61.0819
Triple Number AP High499.51.2011
Triple Number Windward/Leeward Low949.10.6322
Triple Number Windward/Leeward Medium673.10.8914
Triple Number Windward/Leeward High589.51.0178
Single Number Predominant Upwind622.80.9634
Single Number Predominant Reaching556.91.0775
Single Number Predominant Downwind592.51.0126
Predominant Upwind - Low843.00.7118
Predominant Upwind - Low/Med652.00.9203
Predominant Upwind - Medium582.41.0302
Predominant Upwind - Med/High548.21.0945
Predominant Upwind - High531.41.1291
Predominant Downwind Low862.80.6954
Predominant Downwind Low/Med641.10.9359
Predominant Downwind Medium549.01.0929
Predominant Downwind Med/High491.71.2202
Predominant Downwind High454.51.3201
Predominant Reaching Low760.80.7887
Predominant Reaching Low/Med588.11.0203
Predominant Reaching Medium523.01.1471
Predominant Reaching Med/High483.91.2400
Predominant Reaching High457.01.3130
SA/DSPL Upwind24.14SA/DSPL Downwind42.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1060.20.5659
5-Band Windward/Leeward Low/Med778.80.7704
5-Band Windward/Leeward Medium661.70.9067
5-Band Windward/Leeward Med/High597.91.0035
5-Band Windward/Leeward High569.31.0538
Windward/Leeward 60-40 Low1059.20.5665
Windward/Leeward 60-40 Low/Med784.80.7645
Windward/Leeward 60-40 Medium673.90.8904
Windward/Leeward 60-40 Med/High616.10.9738
Windward/Leeward 60-40 High591.71.0140
5-Band AP Low782.10.7672
5-Band AP Low/Med622.10.9645
5-Band AP Medium547.51.0959
5-Band AP Med/High506.01.1859
5-Band AP High482.51.2436
5-Band SF Bay Tour - Low912.40.6576
5-Band SF Bay Tour - Low/Med744.70.8057
5-Band SF Bay Tour - Medium640.70.9364
5-Band SF Bay Tour - Med/High585.31.0250
5-Band SF Bay Tour - High558.01.0752
Chicago-Mac Upwind0.9366
Chicago-Mac All Purpose0.9596
Chicago-Mac Downwind0.9766
Bayview-Mac Cove Island0.7081
Bayview-Mac Shore0.7139
Harvest Moon Regatta490.11.2243
Club Certificate2025
Rowdy-DowNED 8897
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDEHLER 36 DBMeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.000Max. Beam3.458Draft2.091Displacement5,169Wetted area25.62IMS L9.477LSM09.199Acc. length11.000Sink (kg/mm) 19.25
VCGD0.010VCGM0.057RM Rated (kg·m) 136.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight611Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.432PBWPIPA0.0018
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P14.100IG13.560ISP13.560MDT10.122MDL10.165MDT2MDL2TLTaperMWGO
E5.150J3.900BAS1.612FSD0.000SFJ0.000SPL3.980WPLTPS0.000BD0.220MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Rowdy-DowNED 8897
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment144.57
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.000.000.000.000.003.900.00NoNo 28.01generated_from_old_dataset
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment114.0014.0014.007.207.2084.00
CRUISER/RACER REQUIREMENTS*
Accommodation length11.0 mTable area0.55 m²Headroom1.76 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity125 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity70 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.