Double HandedClub Certificate2025
SESNED 9704
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 Angles43.7°43.7°41.5°39.7°39.3°39.3°39.7°41.0°46.2°
Beat VMG2.373.283.984.424.584.644.654.574.29
52°3.735.015.906.446.676.766.806.806.68
60°3.985.276.136.676.937.027.087.097.05
75°4.145.466.306.847.187.387.487.587.62
90°4.005.416.417.017.297.527.798.088.21
110°4.055.496.547.177.668.088.368.788.89
120°3.925.346.397.077.568.058.549.329.89
135°3.444.795.906.697.237.718.199.3111.24
150°2.834.055.146.026.687.157.568.389.57
Run VMG2.453.514.455.215.806.266.677.388.29
Gybe Angles144.0°144.0°148.0°149.7°151.6°156.3°160.6°160.8°141.7°
APH ToD:587.5CDL: 8.031APH ToT: 1.0213CertNo:
BOAT
ClassRM970DesignerMarcLombardBuilderArchambaultAge date01/2024Series date01/2009Offset fileRM970TRDV.offData fileNED9704
HULL
Length Overall9.662 mMaximum Beam3.696 mDraft1.945 mDisplacement4,290 kgDLR6.7081IMS DivisionCruiser/RacerDynamic Allowance0.230%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.350m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.1832.65Headsail Luffed31.5031.50Headsail FlyingSymmetricAsymmetric86.2871.51 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.83Storm Jib9.46Heavy Weather Jib25.53
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
SESNED 9704
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 VMG1516.91097.8903.5813.9785.5776.3774.4787.6838.4
52°964.7719.1610.5559.1539.5532.7529.2529.7539.3
60°904.3682.8587.5539.8519.2512.6508.8507.8510.8
75°868.6659.8571.5526.3501.4487.7481.4474.7472.5
90°898.9665.9562.0513.8494.0478.7461.9445.5438.6
110°889.2655.2550.6501.8470.3445.4430.5409.8404.8
120°918.1673.8563.1509.5476.0447.3421.6386.1364.2
135°1047.5750.8610.5538.3497.9467.1439.8386.6320.2
150°1274.0888.0700.2598.0538.8503.2476.3429.6376.0
Run VMG1471.01025.4808.5690.5621.1574.8539.6487.7434.2
Selected Courses
Windward / Leeward1493.11061.6856.0752.2703.3675.5657.0637.6636.3
All purpose1128.6818.2673.9602.5568.0547.0532.0513.9507.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward732.80.8188
All purpose587.51.0213
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7072
Downwind "popa"0.8847
70% up, 30% down "Ilhabela"0.7525
30% up, 70% down "Ilhabela-inverso"0.8227
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Predominantly Upwind641.10.9358
Predominantly Downwind591.91.0137
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low746.10.8042
Triple Number AP Medium583.11.0289
Triple Number AP High529.01.1343
Triple Number Windward/Leeward Low1001.90.5988
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Single Number Predominant Upwind668.00.8983
Single Number Predominant Reaching580.41.0338
Single Number Predominant Downwind617.30.9719
Predominant Upwind - Low903.60.6640
Predominant Upwind - Low/Med694.90.8634
Predominant Upwind - Medium621.80.9649
Predominant Upwind - Med/High591.01.0152
Predominant Upwind - High583.11.0290
Predominant Downwind Low894.90.6705
Predominant Downwind Low/Med666.00.9009
Predominant Downwind Medium572.71.0477
Predominant Downwind Med/High514.01.1673
Predominant Downwind High475.71.2614
Predominant Reaching Low801.00.7490
Predominant Reaching Low/Med614.00.9772
Predominant Reaching Medium543.11.1048
Predominant Reaching Med/High501.21.1972
Predominant Reaching High475.71.2614
SA/DSPL Upwind24.00SA/DSPL Downwind44.65
Scoring OptionTODTOT
5-Band Windward/Leeward Low1118.30.5365
5-Band Windward/Leeward Low/Med827.10.7254
5-Band Windward/Leeward Medium715.50.8385
5-Band Windward/Leeward Med/High660.80.9080
5-Band Windward/Leeward High640.80.9364
Windward/Leeward 60-40 Low1125.40.5331
Windward/Leeward 60-40 Low/Med838.30.7157
Windward/Leeward 60-40 Medium731.90.8198
Windward/Leeward 60-40 Med/High684.20.8769
Windward/Leeward 60-40 High671.40.8936
5-Band AP Low821.50.7304
5-Band AP Low/Med654.40.9169
5-Band AP Medium576.01.0417
5-Band AP Med/High534.51.1225
5-Band AP High515.91.1631
5-Band SF Bay Tour - Low965.10.6217
5-Band SF Bay Tour - Low/Med791.40.7582
5-Band SF Bay Tour - Medium689.50.8702
5-Band SF Bay Tour - Med/High640.70.9365
5-Band SF Bay Tour - High622.60.9636
Chicago-Mac Upwind0.8744
Chicago-Mac All Purpose0.9086
Chicago-Mac Downwind0.9378
Bayview-Mac Cove Island0.6692
Bayview-Mac Shore0.6738
Harvest Moon Regatta501.81.1957
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance639.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating633.30.9474
FinRating, kevyt tuuli1097.50.9112
FinRating, kova tuuli518.10.9650
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9383
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0290
Triple Number Coastal/Long Distance High1.1343
Triple Number Windward/Leeward Low0.6258
Triple Number Windward/Leeward Medium0.8272
Triple Number Windward/Leeward High0.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
For information
General Purpose Handicap (GPH)657.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low746.1
Triple Number Coastal/Long Distance Medium583.1
Triple Number Coastal/Long Distance High529.0
Triple Number Windward/Leeward Low958.8
Triple Number Windward/Leeward Medium725.3
Triple Number Windward/Leeward High654.4
Predominantly Upwind641.1
Predominantly Downwind591.9
Predominantly Reaching566.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0290
Triple Number Coastal/Long Distance High1.1343
Triple Number Windward/Leeward Low0.6258
Triple Number Windward/Leeward Medium0.8272
Triple Number Windward/Leeward High0.9169
Coastal/Long Distance0.9383
Predominantly Upwind0.9358
Predominantly Downwind1.0137
For information
General Purpose Handicap (GPH)657.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0213
Distanseseilas Trippeltall svak vind0.8042
Distanseseilas Trippeltall mellomvind1.0290
Distanseseilas Trippeltall sterk vind1.1343
Pølsebane Trippeltall svak vind0.6258
Pølsebane Trippeltall mellomvind0.8272
Pølsebane Trippeltall sterk vind0.9169
Motvind Singeltall0.9358
Medvind Singeltall1.0137
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Coastal/Long Distance639.40.9383
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind641.10.9358
Predominantly Downwind591.91.0137
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore636.70.9424
Cape Doctor Coastal509.11.1785
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0290
Triple Number Coastal/Long Distance High1.1343
Triple Number Windward/Leeward Low0.6258
Triple Number Windward/Leeward Medium0.8272
Triple Number Windward/Leeward High0.9169
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8042
Triple Number Coastal/Long Distance Medium1.0290
Triple Number Coastal/Long Distance High1.1343
Triple Number Windward/Leeward Low0.6258
Triple Number Windward/Leeward Medium0.8272
Triple Number Windward/Leeward High0.9169
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Predominantly Upwind641.10.9358
Predominantly Downwind591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance639.40.9383
Triple Number Coastal/Long Distance Low746.10.8042
Triple Number Coastal/Long Distance Medium583.11.0290
Triple Number Coastal/Long Distance High529.01.1343
Triple Number Windward/Leeward Low958.80.6258
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1579.41058.0805.4678.0608.3569.2535.7483.1471.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low746.10.8042
Triple Number AP Medium583.11.0289
Triple Number AP High529.01.1343
Triple Number Windward/Leeward Low1001.90.5988
Triple Number Windward/Leeward Medium725.30.8272
Triple Number Windward/Leeward High654.40.9169
Single Number Predominant Upwind668.00.8983
Single Number Predominant Reaching580.41.0338
Single Number Predominant Downwind617.30.9719
Predominant Upwind - Low903.60.6640
Predominant Upwind - Low/Med694.90.8634
Predominant Upwind - Medium621.80.9649
Predominant Upwind - Med/High591.01.0152
Predominant Upwind - High583.11.0290
Predominant Downwind Low894.90.6705
Predominant Downwind Low/Med666.00.9009
Predominant Downwind Medium572.71.0477
Predominant Downwind Med/High514.01.1673
Predominant Downwind High475.71.2614
Predominant Reaching Low801.00.7490
Predominant Reaching Low/Med614.00.9772
Predominant Reaching Medium543.11.1048
Predominant Reaching Med/High501.21.1972
Predominant Reaching High475.71.2614
SA/DSPL Upwind24.00SA/DSPL Downwind44.65
Scoring OptionTODTOT
5-Band Windward/Leeward Low1118.30.5365
5-Band Windward/Leeward Low/Med827.10.7254
5-Band Windward/Leeward Medium715.50.8385
5-Band Windward/Leeward Med/High660.80.9080
5-Band Windward/Leeward High640.80.9364
Windward/Leeward 60-40 Low1125.40.5331
Windward/Leeward 60-40 Low/Med838.30.7157
Windward/Leeward 60-40 Medium731.90.8198
Windward/Leeward 60-40 Med/High684.20.8769
Windward/Leeward 60-40 High671.40.8936
5-Band AP Low821.50.7304
5-Band AP Low/Med654.40.9169
5-Band AP Medium576.01.0417
5-Band AP Med/High534.51.1225
5-Band AP High515.91.1631
5-Band SF Bay Tour - Low965.10.6217
5-Band SF Bay Tour - Low/Med791.40.7582
5-Band SF Bay Tour - Medium689.50.8702
5-Band SF Bay Tour - Med/High640.70.9365
5-Band SF Bay Tour - High622.60.9636
Chicago-Mac Upwind0.8744
Chicago-Mac All Purpose0.9086
Chicago-Mac Downwind0.9378
Bayview-Mac Cove Island0.6692
Bayview-Mac Shore0.6738
Harvest Moon Regatta501.81.1957
Double HandedClub Certificate2025
SESNED 9704
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRM970Measurement26/03/2025HINPlan reviewHull constructionLightCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.662Max. Beam3.696Draft1.945Displacement4,290Wetted area24.76IMS L8.833LSM08.615Acc. length9.662Sink (kg/mm) 20.02
VCGD0.417VCGM0.458RM Rated (kg·m) 137.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.350PBWPIPA0.0005
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.000IG13.750ISP14.350MDT10.120MDL10.182MDT2MDL2TLTaperMWGO
E4.320J3.850BAS1.350FSD0.034SFJ0.000SPLWPLTPS4.750BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/03/2025Measurer65
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
1fuel fixed757.100.9000
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA13.66   
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1fuel fixed0.900075757.10Total deductible687.10
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Deck Gear103.66Total deductible103.66
Double HandedClub Certificate2025
SESNED 9704
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20250.160.881.552.603.5032.18
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20250.100.561.102.273.554.9513.30NoNo 31.50
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202514.3014.307.107.8091%86.28
CRUISER/RACER REQUIREMENTS*
Accommodation length9.7 mTable area0.44 m²Headroom1.68 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity74 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity44 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.