Club Certificate2025
BOHOMOSUI 30
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 Angles44.0°44.0°41.9°40.6°40.4°40.4°40.4°40.8°42.3°
Beat VMG2.203.023.674.124.384.494.544.544.41
52°3.464.645.486.056.386.526.586.636.58
60°3.684.905.736.266.586.746.806.876.85
75°3.795.065.926.446.756.967.107.247.29
90°3.915.256.136.526.797.047.257.567.74
110°4.095.496.446.917.177.357.527.798.01
120°3.935.366.396.927.307.607.808.148.43
135°3.424.825.976.727.177.587.978.739.29
150°2.954.175.236.176.807.217.618.419.39
Run VMG2.543.614.545.356.076.576.967.678.40
Gybe Angles147.1°147.1°151.4°152.3°160.1°167.6°174.4°172.6°169.0°
APH ToD:607.3CDL: 7.595APH ToT: 0.9880CertNo:SUI3001
BOAT
ClassSunbeam 30.1DesignerG.Nissen/SchöchlBuilderSchöchlAge date05/2011Series date01/2009Offset fileSunb301.offData fileSUI3001
HULL
Length Overall9.500 mMaximum Beam2.964 mDraft1.733 mDisplacement4,458 kgDLR6.9366IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.370m
CREW
Maximum weight558 kg(default)Minimum weight428 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.3928.98Headsail Luffed22.4322.43Headsail FlyingSymmetric106.43106.42Asymmetric
STORM SAIL AREAS (m²)
Trysail8.40Storm Jib7.64Heavy Weather Jib20.63
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
BOHOMOSUI 30
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 VMG1637.01190.4982.1874.0821.9802.5793.5793.5815.9
52°1039.1775.2657.3595.2564.6552.0546.8543.0547.5
60°977.9734.6628.5574.9547.5534.5529.0523.8525.8
75°948.9711.6608.5559.0533.0517.3507.3497.3493.6
90°921.1686.2586.9552.1529.8511.2496.3476.0465.0
110°880.7655.6558.9521.1502.3489.5478.7461.9449.5
120°916.3671.9563.8520.0493.4473.6461.3442.1427.3
135°1053.3747.5603.4535.5502.2475.0451.8412.3387.7
150°1221.3864.3688.2583.8529.1499.3473.3428.1383.4
Run VMG1415.5998.0793.7672.7592.7547.8517.0469.2428.8
Selected Courses
Windward / Leeward1525.61094.2887.9773.3707.3675.1655.3631.3622.3
All purpose1163.0846.5700.1625.8585.4563.8549.2530.0521.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward742.50.8081
All purpose607.30.9880
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6712
Downwind "popa"0.9148
70% up, 30% down "Ilhabela"0.7294
30% up, 70% down "Ilhabela-inverso"0.8250
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Predominantly Upwind669.00.8969
Predominantly Downwind597.91.0036
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low773.30.7759
Triple Number AP Medium603.10.9949
Triple Number AP High545.61.0996
Triple Number Windward/Leeward Low1033.10.5808
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Single Number Predominant Upwind696.60.8613
Single Number Predominant Reaching601.50.9974
Single Number Predominant Downwind623.60.9622
Predominant Upwind - Low954.80.6284
Predominant Upwind - Low/Med733.30.8182
Predominant Upwind - Medium647.80.9263
Predominant Upwind - Med/High607.90.9870
Predominant Upwind - High595.21.0081
Predominant Downwind Low901.60.6655
Predominant Downwind Low/Med673.10.8914
Predominant Downwind Medium577.41.0391
Predominant Downwind Med/High519.51.1549
Predominant Downwind High486.91.2322
Predominant Reaching Low824.50.7277
Predominant Reaching Low/Med636.00.9434
Predominant Reaching Medium563.41.0649
Predominant Reaching Med/High520.41.1529
Predominant Reaching High497.11.2070
SA/DSPL Upwind18.67SA/DSPL Downwind49.53
Scoring OptionTODTOT
5-Band Windward/Leeward Low1150.60.5214
5-Band Windward/Leeward Low/Med851.20.7048
5-Band Windward/Leeward Medium723.70.8291
5-Band Windward/Leeward Med/High658.90.9105
5-Band Windward/Leeward High633.90.9465
Windward/Leeward 60-40 Low1170.50.5126
Windward/Leeward 60-40 Low/Med871.20.6887
Windward/Leeward 60-40 Medium746.60.8036
Windward/Leeward 60-40 Med/High686.60.8738
Windward/Leeward 60-40 High666.60.9001
5-Band AP Low843.90.7110
5-Band AP Low/Med678.50.8843
5-Band AP Medium595.01.0083
5-Band AP Med/High551.51.0880
5-Band AP High531.81.1283
5-Band SF Bay Tour - Low1001.00.5994
5-Band SF Bay Tour - Low/Med818.80.7328
5-Band SF Bay Tour - Medium703.50.8529
5-Band SF Bay Tour - Med/High646.30.9284
5-Band SF Bay Tour - High624.10.9614
Chicago-Mac Upwind0.8350
Chicago-Mac All Purpose0.8821
Chicago-Mac Downwind0.9291
Bayview-Mac Cove Island0.6506
Bayview-Mac Shore0.6537
Harvest Moon Regatta525.01.1430
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance658.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating658.90.9106
FinRating, kevyt tuuli1125.80.8883
FinRating, kova tuuli535.40.9340
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9106
Triple Number Coastal/Long Distance Low0.7759
Triple Number Coastal/Long Distance Medium0.9950
Triple Number Coastal/Long Distance High1.0996
Triple Number Windward/Leeward Low0.6054
Triple Number Windward/Leeward Medium0.8149
Triple Number Windward/Leeward High0.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
For information
General Purpose Handicap (GPH)680.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low773.3
Triple Number Coastal/Long Distance Medium603.0
Triple Number Coastal/Long Distance High545.7
Triple Number Windward/Leeward Low991.1
Triple Number Windward/Leeward Medium736.3
Triple Number Windward/Leeward High651.3
Predominantly Upwind669.0
Predominantly Downwind597.9
Predominantly Reaching582.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7759
Triple Number Coastal/Long Distance Medium0.9950
Triple Number Coastal/Long Distance High1.0996
Triple Number Windward/Leeward Low0.6054
Triple Number Windward/Leeward Medium0.8149
Triple Number Windward/Leeward High0.9213
Coastal/Long Distance0.9106
Predominantly Upwind0.8969
Predominantly Downwind1.0036
For information
General Purpose Handicap (GPH)680.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9880
Distanseseilas Trippeltall svak vind0.7759
Distanseseilas Trippeltall mellomvind0.9950
Distanseseilas Trippeltall sterk vind1.0996
Pølsebane Trippeltall svak vind0.6054
Pølsebane Trippeltall mellomvind0.8149
Pølsebane Trippeltall sterk vind0.9213
Motvind Singeltall0.8969
Medvind Singeltall1.0036
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Coastal/Long Distance658.90.9106
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind669.00.8969
Predominantly Downwind597.91.0036
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore625.00.9599
Cape Doctor Coastal523.71.1457
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7759
Triple Number Coastal/Long Distance Medium0.9950
Triple Number Coastal/Long Distance High1.0996
Triple Number Windward/Leeward Low0.6054
Triple Number Windward/Leeward Medium0.8149
Triple Number Windward/Leeward High0.9213
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7759
Triple Number Coastal/Long Distance Medium0.9950
Triple Number Coastal/Long Distance High1.0996
Triple Number Windward/Leeward Low0.6054
Triple Number Windward/Leeward Medium0.8149
Triple Number Windward/Leeward High0.9213
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Predominantly Upwind669.00.8969
Predominantly Downwind597.91.0036
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance658.90.9106
Triple Number Coastal/Long Distance Low773.30.7759
Triple Number Coastal/Long Distance Medium603.00.9950
Triple Number Coastal/Long Distance High545.71.0996
Triple Number Windward/Leeward Low991.10.6054
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1598.31084.6833.7700.2624.0584.3553.9505.7494.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low773.30.7759
Triple Number AP Medium603.10.9949
Triple Number AP High545.61.0996
Triple Number Windward/Leeward Low1033.10.5808
Triple Number Windward/Leeward Medium736.30.8149
Triple Number Windward/Leeward High651.30.9213
Single Number Predominant Upwind696.60.8613
Single Number Predominant Reaching601.50.9974
Single Number Predominant Downwind623.60.9622
Predominant Upwind - Low954.80.6284
Predominant Upwind - Low/Med733.30.8182
Predominant Upwind - Medium647.80.9263
Predominant Upwind - Med/High607.90.9870
Predominant Upwind - High595.21.0081
Predominant Downwind Low901.60.6655
Predominant Downwind Low/Med673.10.8914
Predominant Downwind Medium577.41.0391
Predominant Downwind Med/High519.51.1549
Predominant Downwind High486.91.2322
Predominant Reaching Low824.50.7277
Predominant Reaching Low/Med636.00.9434
Predominant Reaching Medium563.41.0649
Predominant Reaching Med/High520.41.1529
Predominant Reaching High497.11.2070
SA/DSPL Upwind18.67SA/DSPL Downwind49.53
Scoring OptionTODTOT
5-Band Windward/Leeward Low1150.60.5214
5-Band Windward/Leeward Low/Med851.20.7048
5-Band Windward/Leeward Medium723.70.8291
5-Band Windward/Leeward Med/High658.90.9105
5-Band Windward/Leeward High633.90.9465
Windward/Leeward 60-40 Low1170.50.5126
Windward/Leeward 60-40 Low/Med871.20.6887
Windward/Leeward 60-40 Medium746.60.8036
Windward/Leeward 60-40 Med/High686.60.8738
Windward/Leeward 60-40 High666.60.9001
5-Band AP Low843.90.7110
5-Band AP Low/Med678.50.8843
5-Band AP Medium595.01.0083
5-Band AP Med/High551.51.0880
5-Band AP High531.81.1283
5-Band SF Bay Tour - Low1001.00.5994
5-Band SF Bay Tour - Low/Med818.80.7328
5-Band SF Bay Tour - Medium703.50.8529
5-Band SF Bay Tour - Med/High646.30.9284
5-Band SF Bay Tour - High624.10.9614
Chicago-Mac Upwind0.8350
Chicago-Mac All Purpose0.8821
Chicago-Mac Downwind0.9291
Bayview-Mac Cove Island0.6506
Bayview-Mac Shore0.6537
Harvest Moon Regatta525.01.1430
Club Certificate2025
BOHOMOSUI 30
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSunbeam 30.1Measurement04/05/2016HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.500Max. Beam2.964Draft1.733Displacement4,458Wetted area20.77IMS L8.589LSM08.629Acc. length9.262Sink (kg/mm) 15.00
VCGD0.100VCGM0.119RM Rated (kg·m) 66.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight558Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.370PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.700IG12.360ISP13.250MDT10.120MDL10.190MDT2MDL2TLNo TaperMWGO
E4.100J3.110BAS1.245FSDFoilSFJ0.265SPL4.162WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.100Flotation Date06/03/2022
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
BOHOMOSUI 30
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.130.831.522.623.4528.3931/10/2017
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.060.500.941.842.733.5612.29YesNo 22.4304/02/2020Material: DCX super light
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentSP113.5013.5013.509.808.10106.43
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.