Club Certificate2025
SennaNED 3612
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 Angles44.9°44.9°42.7°40.2°39.5°39.2°39.1°40.0°42.0°
Beat VMG2.603.564.294.754.975.085.145.165.01
52°4.125.546.506.937.167.287.357.417.37
60°4.505.936.827.217.387.507.587.667.63
75°4.836.267.077.477.707.837.928.108.17
90°4.816.257.097.547.878.148.338.588.74
110°4.265.816.937.517.898.208.589.249.76
120°4.145.676.817.457.918.348.699.5110.66
135°3.635.106.327.157.678.148.629.8011.20
150°3.004.315.496.507.227.708.149.1410.63
Run VMG2.593.734.765.646.386.977.438.259.24
Gybe Angles144.7°144.7°148.7°152.3°158.5°165.5°170.5°170.5°158.6°
APH ToD:545.0CDL: 9.167APH ToT: 1.1010CertNo:
BOAT
ClassLUFFE 3.6DesignerOLUF JOERGENSENBuilderLUFFE YACHTSAge date06/2015Series date01/2014Offset fileLuffe36.offData fileNED3612
HULL
Length Overall11.034 mMaximum Beam3.174 mDraft1.963 mDisplacement5,460 kgDLR6.0771IMS DivisionCruiser/RacerDynamic Allowance0.190%Age Allowance0.357%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.418m
CREW
Maximum weight320 kg(declared)Minimum weight190 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.6637.30Headsail Luffed33.8433.84Headsail Flying52.3252.32Symmetric102.41102.41Asymmetric
STORM SAIL AREAS (m²)
Trysail10.99Storm Jib10.13Heavy Weather Jib27.34
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
SennaNED 3612
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 VMG1386.71010.6838.3758.2724.6709.1700.9697.6718.3
52°874.0649.4553.5519.5502.5494.8490.1485.9488.3
60°800.9607.2528.2499.4487.9480.2475.2470.0471.8
75°745.8575.5509.5482.2467.7459.9454.3444.5440.6
90°748.6576.1507.9477.3457.4442.3432.0419.4412.0
110°845.3619.6519.7479.2456.2439.2419.7389.6368.7
120°870.0634.6528.7482.9455.1431.8414.2378.5337.7
135°992.5705.5569.7503.4469.3442.3417.5367.4321.4
150°1201.6835.6655.5554.0498.7467.7442.0393.7338.6
Run VMG1388.4964.9756.9638.3564.2516.7484.6436.4389.5
Selected Courses
Windward / Leeward1386.4987.7797.6698.3644.4612.9592.8567.0553.9
All purpose1034.2752.5623.2561.1528.0507.9493.0470.4455.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward672.40.8924
All purpose545.01.1010
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7721
Downwind "popa"0.9628
70% up, 30% down "Ilhabela"0.8209
30% up, 70% down "Ilhabela-inverso"0.8964
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Predominantly Upwind591.51.0143
Predominantly Downwind547.81.0953
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low687.80.8723
Triple Number AP Medium542.01.1070
Triple Number AP High488.31.2288
Triple Number Windward/Leeward Low932.20.6436
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Single Number Predominant Upwind614.30.9768
Single Number Predominant Reaching535.61.1203
Single Number Predominant Downwind571.11.0507
Predominant Upwind - Low825.00.7273
Predominant Upwind - Low/Med641.30.9355
Predominant Upwind - Medium575.21.0432
Predominant Upwind - Med/High542.31.1064
Predominant Upwind - High528.61.1351
Predominant Downwind Low828.90.7238
Predominant Downwind Low/Med617.80.9712
Predominant Downwind Medium529.91.1323
Predominant Downwind Med/High473.71.2666
Predominant Downwind High437.61.3710
Predominant Reaching Low726.00.8264
Predominant Reaching Low/Med565.81.0604
Predominant Reaching Medium504.11.1903
Predominant Reaching Med/High465.61.2888
Predominant Reaching High441.51.3590
SA/DSPL Upwind22.61SA/DSPL Downwind44.60
Scoring OptionTODTOT
5-Band Windward/Leeward Low1040.20.5768
5-Band Windward/Leeward Low/Med768.00.7813
5-Band Windward/Leeward Medium656.50.9139
5-Band Windward/Leeward Med/High596.21.0065
5-Band Windward/Leeward High569.21.0542
Windward/Leeward 60-40 Low1044.40.5745
Windward/Leeward 60-40 Low/Med778.10.7711
Windward/Leeward 60-40 Medium672.20.8925
Windward/Leeward 60-40 Med/High617.70.9714
Windward/Leeward 60-40 High595.71.0073
5-Band AP Low754.50.7952
5-Band AP Low/Med606.30.9896
5-Band AP Medium535.11.1212
5-Band AP Med/High494.71.2130
5-Band AP High471.81.2718
5-Band SF Bay Tour - Low897.40.6686
5-Band SF Bay Tour - Low/Med735.40.8159
5-Band SF Bay Tour - Medium635.70.9438
5-Band SF Bay Tour - Med/High582.41.0302
5-Band SF Bay Tour - High556.91.0774
Chicago-Mac Upwind0.9493
Chicago-Mac All Purpose0.9849
Chicago-Mac Downwind1.0132
Bayview-Mac Cove Island0.7261
Bayview-Mac Shore0.7324
Harvest Moon Regatta469.61.2777
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance593.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating593.71.0106
FinRating, kevyt tuuli1017.50.9828
FinRating, kova tuuli473.91.0551
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0106
Triple Number Coastal/Long Distance Low0.8723
Triple Number Coastal/Long Distance Medium1.1071
Triple Number Coastal/Long Distance High1.2288
Triple Number Windward/Leeward Low0.6721
Triple Number Windward/Leeward Medium0.8992
Triple Number Windward/Leeward High1.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
For information
General Purpose Handicap (GPH)609.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low687.8
Triple Number Coastal/Long Distance Medium542.0
Triple Number Coastal/Long Distance High488.3
Triple Number Windward/Leeward Low892.7
Triple Number Windward/Leeward Medium667.3
Triple Number Windward/Leeward High588.1
Predominantly Upwind591.5
Predominantly Downwind547.8
Predominantly Reaching525.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8723
Triple Number Coastal/Long Distance Medium1.1071
Triple Number Coastal/Long Distance High1.2288
Triple Number Windward/Leeward Low0.6721
Triple Number Windward/Leeward Medium0.8992
Triple Number Windward/Leeward High1.0202
Coastal/Long Distance1.0106
Predominantly Upwind1.0143
Predominantly Downwind1.0953
For information
General Purpose Handicap (GPH)609.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1010
Distanseseilas Trippeltall svak vind0.8723
Distanseseilas Trippeltall mellomvind1.1071
Distanseseilas Trippeltall sterk vind1.2288
Pølsebane Trippeltall svak vind0.6721
Pølsebane Trippeltall mellomvind0.8992
Pølsebane Trippeltall sterk vind1.0202
Motvind Singeltall1.0143
Medvind Singeltall1.0953
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Coastal/Long Distance593.71.0106
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind591.51.0143
Predominantly Downwind547.81.0953
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore557.81.0757
Cape Doctor Coastal460.11.3041
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8723
Triple Number Coastal/Long Distance Medium1.1071
Triple Number Coastal/Long Distance High1.2288
Triple Number Windward/Leeward Low0.6721
Triple Number Windward/Leeward Medium0.8992
Triple Number Windward/Leeward High1.0202
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8723
Triple Number Coastal/Long Distance Medium1.1071
Triple Number Coastal/Long Distance High1.2288
Triple Number Windward/Leeward Low0.6721
Triple Number Windward/Leeward Medium0.8992
Triple Number Windward/Leeward High1.0202
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Predominantly Upwind591.51.0143
Predominantly Downwind547.81.0953
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance593.71.0106
Triple Number Coastal/Long Distance Low687.80.8723
Triple Number Coastal/Long Distance Medium542.01.1071
Triple Number Coastal/Long Distance High488.31.2288
Triple Number Windward/Leeward Low892.70.6721
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1474.1985.4749.1630.4564.0526.9497.6448.8429.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low687.80.8723
Triple Number AP Medium542.01.1070
Triple Number AP High488.31.2288
Triple Number Windward/Leeward Low932.20.6436
Triple Number Windward/Leeward Medium667.30.8992
Triple Number Windward/Leeward High588.11.0202
Single Number Predominant Upwind614.30.9768
Single Number Predominant Reaching535.61.1203
Single Number Predominant Downwind571.11.0507
Predominant Upwind - Low825.00.7273
Predominant Upwind - Low/Med641.30.9355
Predominant Upwind - Medium575.21.0432
Predominant Upwind - Med/High542.31.1064
Predominant Upwind - High528.61.1351
Predominant Downwind Low828.90.7238
Predominant Downwind Low/Med617.80.9712
Predominant Downwind Medium529.91.1323
Predominant Downwind Med/High473.71.2666
Predominant Downwind High437.61.3710
Predominant Reaching Low726.00.8264
Predominant Reaching Low/Med565.81.0604
Predominant Reaching Medium504.11.1903
Predominant Reaching Med/High465.61.2888
Predominant Reaching High441.51.3590
SA/DSPL Upwind22.61SA/DSPL Downwind44.60
Scoring OptionTODTOT
5-Band Windward/Leeward Low1040.20.5768
5-Band Windward/Leeward Low/Med768.00.7813
5-Band Windward/Leeward Medium656.50.9139
5-Band Windward/Leeward Med/High596.21.0065
5-Band Windward/Leeward High569.21.0542
Windward/Leeward 60-40 Low1044.40.5745
Windward/Leeward 60-40 Low/Med778.10.7711
Windward/Leeward 60-40 Medium672.20.8925
Windward/Leeward 60-40 Med/High617.70.9714
Windward/Leeward 60-40 High595.71.0073
5-Band AP Low754.50.7952
5-Band AP Low/Med606.30.9896
5-Band AP Medium535.11.1212
5-Band AP Med/High494.71.2130
5-Band AP High471.81.2718
5-Band SF Bay Tour - Low897.40.6686
5-Band SF Bay Tour - Low/Med735.40.8159
5-Band SF Bay Tour - Medium635.70.9438
5-Band SF Bay Tour - Med/High582.41.0302
5-Band SF Bay Tour - High556.91.0774
Chicago-Mac Upwind0.9493
Chicago-Mac All Purpose0.9849
Chicago-Mac Downwind1.0132
Bayview-Mac Cove Island0.7261
Bayview-Mac Shore0.7324
Harvest Moon Regatta469.61.2777
Club Certificate2025
SennaNED 3612
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLUFFE 3.6Measurement25/06/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.034Max. Beam3.174Draft1.963Displacement5,460Wetted area25.58IMS L9.841LSM09.648Acc. length10.316Sink (kg/mm) 18.91
VCGD-0.254VCGM-0.130RM Rated (kg·m) 132.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight654Declared crew weight320
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.418PBW0.107PIPA0.0007
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P13.500IG14.230ISP15.070MDT10.200MDL10.090MDT2MDL2TLTaperMWGO
E4.650J4.400BAS1.710FSDFoilSFJ0.380SPL4.400WPLTPS4.830BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date25/06/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
SennaNED 3612
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20250.150.911.702.933.8436.66
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment2025 C00.071.031.853.605.176.5215.10NoYes052.3220250.080.721.342.463.524.5214.15YesNo 33.84
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment202515.5815.5815.587.967.60102.41
CRUISER/RACER REQUIREMENTS*
Accommodation length10.3 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity86 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity56 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.