Double HandedClub 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 Angles42.1°42.1°40.2°38.9°38.2°38.0°37.9°38.3°40.4°
Beat VMG2.663.624.334.704.864.955.005.024.84
52°4.095.456.336.736.896.987.057.117.05
60°4.345.706.546.927.097.187.257.327.30
75°4.515.886.687.097.317.447.547.677.71
90°4.385.786.667.107.397.617.798.038.17
110°4.265.746.757.267.597.838.018.338.65
120°4.095.566.607.197.597.948.278.769.24
135°3.554.966.106.887.377.778.179.1910.83
150°2.894.165.306.266.957.407.808.6510.14
Run VMG2.503.604.595.456.186.767.217.968.81
Gybe Angles144.4°144.4°149.6°153.3°160.3°168.0°176.3°177.7°161.3°
APH ToD:564.2CDL: 8.720APH ToT: 1.0635CertNo:
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 weight170 kg(default)Minimum weight120 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.
Double HandedClub 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 VMG1355.2993.3831.8765.9740.8727.7719.9717.0743.8
52°879.3660.7568.9534.9522.4515.4510.8506.6510.4
60°829.5631.3550.8520.0507.9501.3496.7492.0492.9
75°797.6612.5539.0508.0492.5483.6477.5469.6467.1
90°822.1623.1540.9507.0486.9472.8462.3448.4440.9
110°844.7627.3533.3495.7474.1459.7449.5432.2416.3
120°879.7647.9545.1500.5474.4453.5435.2410.9389.8
135°1014.8726.1590.0522.9488.7463.4440.7391.6332.4
150°1245.7865.4678.8574.7517.7486.3461.6416.0355.1
Run VMG1438.8999.3783.8661.0582.7532.6499.3452.1408.6
Selected Courses
Windward / Leeward1395.6996.3807.8713.5661.7630.2609.6584.6576.2
All purpose1052.9768.5639.0578.9547.5528.3514.5494.4481.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward688.00.8721
All purpose564.21.0635
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7641
Downwind "popa"0.9311
70% up, 30% down "Ilhabela"0.8076
30% up, 70% down "Ilhabela-inverso"0.8738
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Predominantly Upwind609.60.9843
Predominantly Downwind568.61.0553
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low703.70.8526
Triple Number AP Medium560.81.0698
Triple Number AP High510.41.1755
Triple Number Windward/Leeward Low942.10.6369
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Single Number Predominant Upwind632.10.9493
Single Number Predominant Reaching559.71.0720
Single Number Predominant Downwind592.71.0122
Predominant Upwind - Low835.60.7180
Predominant Upwind - Low/Med655.90.9148
Predominant Upwind - Medium594.11.0099
Predominant Upwind - Med/High563.61.0647
Predominant Upwind - High550.31.0902
Predominant Downwind Low855.00.7017
Predominant Downwind Low/Med639.40.9384
Predominant Downwind Medium550.51.0898
Predominant Downwind Med/High494.61.2130
Predominant Downwind High458.51.3086
Predominant Reaching Low754.40.7954
Predominant Reaching Low/Med588.91.0188
Predominant Reaching Medium527.11.1382
Predominant Reaching Med/High489.81.2250
Predominant Reaching High465.41.2892
SA/DSPL Upwind24.14SA/DSPL Downwind42.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1049.30.5718
5-Band Windward/Leeward Low/Med780.70.7685
5-Band Windward/Leeward Medium672.80.8918
5-Band Windward/Leeward Med/High613.20.9784
5-Band Windward/Leeward High587.51.0213
Windward/Leeward 60-40 Low1048.10.5724
Windward/Leeward 60-40 Low/Med788.40.7611
Windward/Leeward 60-40 Medium688.00.8722
Windward/Leeward 60-40 Med/High635.10.9447
Windward/Leeward 60-40 High614.40.9766
5-Band AP Low776.10.7731
5-Band AP Low/Med623.30.9625
5-Band AP Medium554.41.0823
5-Band AP Med/High516.21.1623
5-Band AP High495.61.2107
5-Band SF Bay Tour - Low904.20.6636
5-Band SF Bay Tour - Low/Med747.10.8031
5-Band SF Bay Tour - Medium652.10.9201
5-Band SF Bay Tour - Med/High600.90.9985
5-Band SF Bay Tour - High576.91.0401
Chicago-Mac Upwind0.9250
Chicago-Mac All Purpose0.9536
Chicago-Mac Downwind0.9772
Bayview-Mac Cove Island0.7109
Bayview-Mac Shore0.7167
Harvest Moon Regatta492.71.2177
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance611.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating611.90.9806
FinRating, kevyt tuuli1031.20.9697
FinRating, kova tuuli498.91.0023
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9806
Triple Number Coastal/Long Distance Low0.8526
Triple Number Coastal/Long Distance Medium1.0699
Triple Number Coastal/Long Distance High1.1755
Triple Number Windward/Leeward Low0.6652
Triple Number Windward/Leeward Medium0.8782
Triple Number Windward/Leeward High0.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
For information
General Purpose Handicap (GPH)628.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low703.7
Triple Number Coastal/Long Distance Medium560.8
Triple Number Coastal/Long Distance High510.4
Triple Number Windward/Leeward Low902.0
Triple Number Windward/Leeward Medium683.2
Triple Number Windward/Leeward High605.4
Predominantly Upwind609.6
Predominantly Downwind568.6
Predominantly Reaching547.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8526
Triple Number Coastal/Long Distance Medium1.0699
Triple Number Coastal/Long Distance High1.1755
Triple Number Windward/Leeward Low0.6652
Triple Number Windward/Leeward Medium0.8782
Triple Number Windward/Leeward High0.9911
Coastal/Long Distance0.9806
Predominantly Upwind0.9843
Predominantly Downwind1.0553
For information
General Purpose Handicap (GPH)628.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0635
Distanseseilas Trippeltall svak vind0.8526
Distanseseilas Trippeltall mellomvind1.0699
Distanseseilas Trippeltall sterk vind1.1755
Pølsebane Trippeltall svak vind0.6652
Pølsebane Trippeltall mellomvind0.8782
Pølsebane Trippeltall sterk vind0.9911
Motvind Singeltall0.9843
Medvind Singeltall1.0553
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Coastal/Long Distance611.90.9806
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind609.60.9843
Predominantly Downwind568.61.0553
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore578.71.0368
Cape Doctor Coastal485.11.2368
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8526
Triple Number Coastal/Long Distance Medium1.0699
Triple Number Coastal/Long Distance High1.1755
Triple Number Windward/Leeward Low0.6652
Triple Number Windward/Leeward Medium0.8782
Triple Number Windward/Leeward High0.9911
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8526
Triple Number Coastal/Long Distance Medium1.0699
Triple Number Coastal/Long Distance High1.1755
Triple Number Windward/Leeward Low0.6652
Triple Number Windward/Leeward Medium0.8782
Triple Number Windward/Leeward High0.9911
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Predominantly Upwind609.60.9843
Predominantly Downwind568.61.0553
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low703.70.8526
Triple Number Coastal/Long Distance Medium560.81.0699
Triple Number Coastal/Long Distance High510.41.1755
Triple Number Windward/Leeward Low902.00.6652
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1484.4996.6762.0647.4583.3547.6518.9473.9459.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low703.70.8526
Triple Number AP Medium560.81.0698
Triple Number AP High510.41.1755
Triple Number Windward/Leeward Low942.10.6369
Triple Number Windward/Leeward Medium683.20.8782
Triple Number Windward/Leeward High605.40.9911
Single Number Predominant Upwind632.10.9493
Single Number Predominant Reaching559.71.0720
Single Number Predominant Downwind592.71.0122
Predominant Upwind - Low835.60.7180
Predominant Upwind - Low/Med655.90.9148
Predominant Upwind - Medium594.11.0099
Predominant Upwind - Med/High563.61.0647
Predominant Upwind - High550.31.0902
Predominant Downwind Low855.00.7017
Predominant Downwind Low/Med639.40.9384
Predominant Downwind Medium550.51.0898
Predominant Downwind Med/High494.61.2130
Predominant Downwind High458.51.3086
Predominant Reaching Low754.40.7954
Predominant Reaching Low/Med588.91.0188
Predominant Reaching Medium527.11.1382
Predominant Reaching Med/High489.81.2250
Predominant Reaching High465.41.2892
SA/DSPL Upwind24.14SA/DSPL Downwind42.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low1049.30.5718
5-Band Windward/Leeward Low/Med780.70.7685
5-Band Windward/Leeward Medium672.80.8918
5-Band Windward/Leeward Med/High613.20.9784
5-Band Windward/Leeward High587.51.0213
Windward/Leeward 60-40 Low1048.10.5724
Windward/Leeward 60-40 Low/Med788.40.7611
Windward/Leeward 60-40 Medium688.00.8722
Windward/Leeward 60-40 Med/High635.10.9447
Windward/Leeward 60-40 High614.40.9766
5-Band AP Low776.10.7731
5-Band AP Low/Med623.30.9625
5-Band AP Medium554.41.0823
5-Band AP Med/High516.21.1623
5-Band AP High495.61.2107
5-Band SF Bay Tour - Low904.20.6636
5-Band SF Bay Tour - Low/Med747.10.8031
5-Band SF Bay Tour - Medium652.10.9201
5-Band SF Bay Tour - Med/High600.90.9985
5-Band SF Bay Tour - High576.91.0401
Chicago-Mac Upwind0.9250
Chicago-Mac All Purpose0.9536
Chicago-Mac Downwind0.9772
Bayview-Mac Cove Island0.7109
Bayview-Mac Shore0.7167
Harvest Moon Regatta492.71.2177
Double HandedClub 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 L9.312LSM09.199Acc. length11.000Sink (kg/mm) 19.25
VCGD0.011VCGM0.058RM Rated (kg·m) 136.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared 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
Double HandedClub 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.