Double HandedClub Certificate2025
DownbeatGBR 7735R
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 Angles42.3°42.3°40.5°39.3°38.6°38.3°38.6°38.9°41.0°
Beat VMG2.603.594.334.774.975.075.135.165.00
52°4.025.426.396.907.117.227.287.347.30
60°4.275.696.627.117.337.447.517.597.57
75°4.465.886.787.267.557.747.868.028.07
90°4.425.936.907.267.597.888.128.468.65
110°4.576.117.157.687.998.248.478.889.21
120°4.446.007.087.668.148.548.839.409.96
135°3.875.406.627.357.868.368.9210.4011.71
150°3.214.555.706.667.327.778.209.1811.58
Run VMG2.783.944.945.776.386.807.187.9510.03
Gybe Angles142.8°142.8°146.9°149.9°153.0°157.0°159.7°148.0°143.1°
APH ToD:544.0CDL: 9.041APH ToT: 1.1029CertNo:
BOAT
ClassA 35DesignerNivelt BernardBuilderArchambaultAge date01/2008Series date01/2005Offset fileF234.OFFData fileGBR7735r
HULL
Length Overall10.617 mMaximum Beam3.594 mDraft2.176 mDisplacement4,843 kgDLR5.7811IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail37.3537.92Headsail Luffed29.2629.26Headsail FlyingSymmetricAsymmetric111.93111.93 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.35Storm Jib9.08Heavy Weather Jib24.50
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
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
DownbeatGBR 7735R
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 VMG1382.71004.0830.8754.0724.5709.9702.1697.5719.5
52°895.5664.6563.7522.1506.4498.8494.4490.2493.2
60°842.9632.9543.6506.7491.2484.0479.3474.5475.3
75°807.8612.5531.2495.7477.0465.2458.0449.0446.1
90°814.4607.3521.6495.8474.1456.8443.4425.5416.1
110°788.2589.1503.8469.0450.6436.8425.0405.5390.8
120°811.2600.2508.4470.1442.4421.7407.6382.8361.6
135°930.4666.2544.0489.6458.2430.6403.7346.1307.5
150°1119.8791.4631.2540.3491.6463.5439.0392.1311.0
Run VMG1293.7913.9728.8623.8564.4529.2501.1452.7359.1
Selected Courses
Windward / Leeward1337.9958.9779.8688.9644.4619.6601.6575.1539.3
All purpose1017.4741.6615.9557.9528.4509.9495.8473.6453.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward669.90.8957
All purpose544.01.1029
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7745
Downwind "popa"0.9736
70% up, 30% down "Ilhabela"0.8251
30% up, 70% down "Ilhabela-inverso"0.9039
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Predominantly Upwind592.51.0127
Predominantly Downwind543.31.1043
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low678.70.8840
Triple Number AP Medium540.91.1092
Triple Number AP High491.01.2220
Triple Number Windward/Leeward Low907.20.6614
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Single Number Predominant Upwind615.60.9747
Single Number Predominant Reaching537.31.1167
Single Number Predominant Downwind564.71.0625
Predominant Upwind - Low824.60.7277
Predominant Upwind - Low/Med640.80.9364
Predominant Upwind - Medium577.01.0398
Predominant Upwind - Med/High545.31.1004
Predominant Upwind - High529.81.1324
Predominant Downwind Low803.40.7469
Predominant Downwind Low/Med606.50.9893
Predominant Downwind Medium527.91.1367
Predominant Downwind Med/High475.71.2614
Predominant Downwind High435.41.3780
Predominant Reaching Low725.70.8268
Predominant Reaching Low/Med566.01.0601
Predominant Reaching Medium507.11.1833
Predominant Reaching Med/High467.81.2825
Predominant Reaching High440.31.3627
SA/DSPL Upwind23.15SA/DSPL Downwind51.88
Scoring OptionTODTOT
5-Band Windward/Leeward Low1009.00.5947
5-Band Windward/Leeward Low/Med754.20.7956
5-Band Windward/Leeward Medium655.30.9156
5-Band Windward/Leeward Med/High603.80.9938
5-Band Windward/Leeward High573.51.0462
Windward/Leeward 60-40 Low1018.20.5893
Windward/Leeward 60-40 Low/Med766.00.7833
Windward/Leeward 60-40 Medium671.00.8942
Windward/Leeward 60-40 Med/High623.90.9617
Windward/Leeward 60-40 High599.21.0013
5-Band AP Low744.00.8065
5-Band AP Low/Med601.00.9983
5-Band AP Medium534.71.1220
5-Band AP Med/High497.21.2068
5-Band AP High473.91.2660
5-Band SF Bay Tour - Low873.80.6867
5-Band SF Bay Tour - Low/Med722.30.8307
5-Band SF Bay Tour - Medium632.60.9485
5-Band SF Bay Tour - Med/High585.41.0249
5-Band SF Bay Tour - High557.81.0757
Chicago-Mac Upwind0.9485
Chicago-Mac All Purpose0.9887
Chicago-Mac Downwind1.0266
Bayview-Mac Cove Island0.7377
Bayview-Mac Shore0.7420
Harvest Moon Regatta472.21.2707
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance590.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating590.21.0166
FinRating, kevyt tuuli989.31.0108
FinRating, kova tuuli475.71.0510
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0166
Triple Number Coastal/Long Distance Low0.8840
Triple Number Coastal/Long Distance Medium1.1093
Triple Number Coastal/Long Distance High1.2220
Triple Number Windward/Leeward Low0.6902
Triple Number Windward/Leeward Medium0.9032
Triple Number Windward/Leeward High1.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
For information
General Purpose Handicap (GPH)606.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low678.7
Triple Number Coastal/Long Distance Medium540.9
Triple Number Coastal/Long Distance High491.0
Triple Number Windward/Leeward Low869.3
Triple Number Windward/Leeward Medium664.3
Triple Number Windward/Leeward High596.2
Predominantly Upwind592.5
Predominantly Downwind543.3
Predominantly Reaching524.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8840
Triple Number Coastal/Long Distance Medium1.1093
Triple Number Coastal/Long Distance High1.2220
Triple Number Windward/Leeward Low0.6902
Triple Number Windward/Leeward Medium0.9032
Triple Number Windward/Leeward High1.0064
Coastal/Long Distance1.0166
Predominantly Upwind1.0127
Predominantly Downwind1.1043
For information
General Purpose Handicap (GPH)606.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1029
Distanseseilas Trippeltall svak vind0.8840
Distanseseilas Trippeltall mellomvind1.1093
Distanseseilas Trippeltall sterk vind1.2220
Pølsebane Trippeltall svak vind0.6902
Pølsebane Trippeltall mellomvind0.9032
Pølsebane Trippeltall sterk vind1.0064
Motvind Singeltall1.0127
Medvind Singeltall1.1043
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Coastal/Long Distance590.21.0166
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind592.51.0127
Predominantly Downwind543.31.1043
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore550.01.0909
Cape Doctor Coastal459.31.3062
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8840
Triple Number Coastal/Long Distance Medium1.1093
Triple Number Coastal/Long Distance High1.2220
Triple Number Windward/Leeward Low0.6902
Triple Number Windward/Leeward Medium0.9032
Triple Number Windward/Leeward High1.0064
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8840
Triple Number Coastal/Long Distance Medium1.1093
Triple Number Coastal/Long Distance High1.2220
Triple Number Windward/Leeward Low0.6902
Triple Number Windward/Leeward Medium0.9032
Triple Number Windward/Leeward High1.0064
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Predominantly Upwind592.51.0127
Predominantly Downwind543.31.1043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.21.0166
Triple Number Coastal/Long Distance Low678.70.8840
Triple Number Coastal/Long Distance Medium540.91.1093
Triple Number Coastal/Long Distance High491.01.2220
Triple Number Windward/Leeward Low869.30.6902
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.1954.4734.1624.3563.2528.8500.3453.7431.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low678.70.8840
Triple Number AP Medium540.91.1092
Triple Number AP High491.01.2220
Triple Number Windward/Leeward Low907.20.6614
Triple Number Windward/Leeward Medium664.30.9032
Triple Number Windward/Leeward High596.21.0064
Single Number Predominant Upwind615.60.9747
Single Number Predominant Reaching537.31.1167
Single Number Predominant Downwind564.71.0625
Predominant Upwind - Low824.60.7277
Predominant Upwind - Low/Med640.80.9364
Predominant Upwind - Medium577.01.0398
Predominant Upwind - Med/High545.31.1004
Predominant Upwind - High529.81.1324
Predominant Downwind Low803.40.7469
Predominant Downwind Low/Med606.50.9893
Predominant Downwind Medium527.91.1367
Predominant Downwind Med/High475.71.2614
Predominant Downwind High435.41.3780
Predominant Reaching Low725.70.8268
Predominant Reaching Low/Med566.01.0601
Predominant Reaching Medium507.11.1833
Predominant Reaching Med/High467.81.2825
Predominant Reaching High440.31.3627
SA/DSPL Upwind23.15SA/DSPL Downwind51.88
Scoring OptionTODTOT
5-Band Windward/Leeward Low1009.00.5947
5-Band Windward/Leeward Low/Med754.20.7956
5-Band Windward/Leeward Medium655.30.9156
5-Band Windward/Leeward Med/High603.80.9938
5-Band Windward/Leeward High573.51.0462
Windward/Leeward 60-40 Low1018.20.5893
Windward/Leeward 60-40 Low/Med766.00.7833
Windward/Leeward 60-40 Medium671.00.8942
Windward/Leeward 60-40 Med/High623.90.9617
Windward/Leeward 60-40 High599.21.0013
5-Band AP Low744.00.8065
5-Band AP Low/Med601.00.9983
5-Band AP Medium534.71.1220
5-Band AP Med/High497.21.2068
5-Band AP High473.91.2660
5-Band SF Bay Tour - Low873.80.6867
5-Band SF Bay Tour - Low/Med722.30.8307
5-Band SF Bay Tour - Medium632.60.9485
5-Band SF Bay Tour - Med/High585.41.0249
5-Band SF Bay Tour - High557.81.0757
Chicago-Mac Upwind0.9485
Chicago-Mac All Purpose0.9887
Chicago-Mac Downwind1.0266
Bayview-Mac Cove Island0.7377
Bayview-Mac Shore0.7420
Harvest Moon Regatta472.21.2707
Double HandedClub Certificate2025
DownbeatGBR 7735R
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassA 35Measurement22/03/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.617Max. Beam3.594Draft2.176Displacement4,843Wetted area23.70IMS L9.586LSM09.426Acc. length10.617Sink (kg/mm) 18.25
VCGD-0.012VCGM0.020RM Rated (kg·m) 112.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0007
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.680IG13.470ISP14.430MDT10.119MDL10.194MDT2MDL2TLTaperMWGO
E4.740J4.120BAS1.605FSDSFJ0.000SPL4.435WPLTPS5.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/03/2021
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
1water407.700.9000
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1water0.900040257.70Total deductible237.70
Total deductible
Double HandedClub Certificate2025
DownbeatGBR 7735R
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.921.632.7837.35
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.651.212.264.3213.14YesNo 29.26
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment116.7013.4515.089.058.35108%111.93
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.