International
Certificate
2023

Boat

Rumba

USA 61132

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.6°41.4°39.9°38.2°37.5°37.0°36.6°
Beat VMG4.024.895.395.655.805.916.02
52°6.177.277.777.978.088.178.28
60°6.537.527.978.178.288.388.50
75°6.767.678.138.398.568.698.90
90°6.727.778.268.538.748.969.28
110°6.547.688.298.729.099.4310.01
120°6.247.548.258.729.149.5210.34
135°5.577.007.928.499.019.5310.77
150°4.715.967.077.898.338.699.46
Run VMG4.085.166.136.847.227.588.44
Gybe Angles143.3°146.5°147.8°150.5°150.5°171.2°175.7°

APH: 492.8

CDL: 11.563

GPH: 550.6

CertNo: US7389

BOAT
ClassJ 133DesignerJ BoatsBuilderJ CompositesAge date01/2004Series date01/2003Offset fileus31188.offData fileUSA61132
HULL
Length Overall13.183 mMaximum Beam3.914 mDraft2.302 mDisplacement9,406 kgDLR5.4857IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.462m
CREW
Maximum weight915 kgMinimum weight686 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail56.8558.09Headsail Luffed46.9346.93Headsail Flying74.0874.08SymmetricAsymmetric183.76183.76 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail16.30Storm Jib15.23Heavy Weather Jib41.12
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment242.7 kg·mStability Index127.7
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.

International
Certificate
2023

Boat

Rumba

USA 61132

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG895.5736.1667.6637.3620.6609.4598.4
52°583.4495.1463.2451.7445.8440.6435.0
60°551.3478.5451.6440.7434.8429.5423.4
75°532.3469.2442.9428.9420.5414.3404.4
90°535.6463.3435.9421.9411.9401.9388.1
110°550.6468.7434.5413.0395.9381.6359.5
120°576.9477.3436.5412.6393.8378.3348.3
135°646.0514.0454.3424.1399.7377.8334.3
150°764.7603.8508.9456.3432.0414.1380.6
Run VMG883.0697.2587.6526.5498.6474.9426.4
Selected Courses
Windward / Leeward889.3716.7627.6581.9559.6542.2512.4
All purpose680.7561.6505.7477.4461.0447.8426.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward608.00.9869
All purpose492.81.2174
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8814
Downwind "popa"1.0258
70% up, 30% down "Ilhabela"0.9203
30% up, 70% down "Ilhabela-inverso"0.9778
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Predominantly Upwind529.61.1329
Predominantly Downwind500.61.1986
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low621.10.9660
Triple Number All Purpose Medium489.71.2252
Triple Number All Purpose High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Predominantly Upwind529.61.1329
Predominantly Downwind500.61.1986
Predominantly Upwind Low687.10.8732
Predominantly Upwind Medium547.31.0962
Predominantly Upwind High513.51.1684
Predominantly Downwind Low684.70.8763
Predominantly Downwind Medium498.61.2034
Predominantly Downwind High426.81.4058
Chicago-Mac Upwind1.1135
Chicago-Mac All Purpose1.1427
Chicago-Mac Downwind1.1784
Bayview-Mac Cove Island1.0692
Bayview-Mac Shore1.0790
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching466.31.2867
Predominantly Reaching Low560.81.0698
Predominantly Reaching Medium461.61.2997
Predominantly Reaching High412.41.4548
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low876.00.6849
5-Band Low / Medium735.60.8156
5-Band Medium593.71.0106
5-Band Medium / High543.41.1041
5-Band High517.51.1594
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance536.4
Triple Number Coastal/Long Distance Low621.1
Triple Number Coastal/Long Distance Medium489.7
Triple Number Coastal/Long Distance High443.1
Triple Number Windward/Leeward Low803.0
Triple Number Windward/Leeward Medium602.8
Triple Number Windward/Leeward High535.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9660
Triple Number Coastal/Long Distance Medium1.2252
Triple Number Coastal/Long Distance High1.3540
Triple Number Windward/Leeward Low0.7472
Triple Number Windward/Leeward Medium0.9953
Triple Number Windward/Leeward High1.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low621.1
Triple Number Coastal/Long Distance Medium489.7
Triple Number Coastal/Long Distance High443.1
Triple Number Windward/Leeward Low803.0
Triple Number Windward/Leeward Medium602.8
Triple Number Windward/Leeward High535.3
Predominantly Upwind529.6
Predominantly Downwind500.6
Predominantly Reaching478.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9660
Triple Number Coastal/Long Distance Medium1.2252
Triple Number Coastal/Long Distance High1.3540
Triple Number Windward/Leeward Low0.7472
Triple Number Windward/Leeward Medium0.9953
Triple Number Windward/Leeward High1.1208
Coastal/Long Distance1.1186
Predominantly Upwind1.1329
Predominantly Downwind1.1986
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9660
Tretall Distanseseilas Mellomvind1.2252
Tretall Distanseseilas Mye vind1.3540
Tretall Pølsebane Lite vind0.7472
Tretall Pølsebane Mellomvind0.9953
Tretall Pølsebane Mye vind1.1208
Distanseseilas ett tall (OSN 8-16kn)1.1186
Distanseseilas ett tall (APH 6-20kn)1.2174
Enkeltall Motvind1.1329
Enkeltall Medvind1.1986
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Coastal/Long Distance536.41.1186
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind529.61.1329
Predominantly Downwind500.61.1986
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore521.31.1510
Cape Doctor Coastal432.91.3860
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9660
Triple Number Coastal/Long Distance Medium1.2252
Triple Number Coastal/Long Distance High1.3540
Triple Number Windward/Leeward Low0.7472
Triple Number Windward/Leeward Medium0.9953
Triple Number Windward/Leeward High1.1208
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9660
Triple Number Coastal/Long Distance Medium1.2252
Triple Number Coastal/Long Distance High1.3540
Triple Number Windward/Leeward Low0.7472
Triple Number Windward/Leeward Medium0.9953
Triple Number Windward/Leeward High1.1208
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Predominantly Upwind529.61.1329
Predominantly Downwind500.61.1986
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance536.41.1186
Triple Number Coastal/Long Distance Low621.10.9660
Triple Number Coastal/Long Distance Medium489.71.2252
Triple Number Coastal/Long Distance High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance888.7674.5567.6508.8478.8453.3411.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low621.10.9660
Triple Number All Purpose Medium489.71.2252
Triple Number All Purpose High443.11.3540
Triple Number Windward/Leeward Low803.00.7472
Triple Number Windward/Leeward Medium602.80.9953
Triple Number Windward/Leeward High535.31.1208
Predominantly Upwind529.61.1329
Predominantly Downwind500.61.1986
Predominantly Upwind Low687.10.8732
Predominantly Upwind Medium547.31.0962
Predominantly Upwind High513.51.1684
Predominantly Downwind Low684.70.8763
Predominantly Downwind Medium498.61.2034
Predominantly Downwind High426.81.4058
Chicago-Mac Upwind1.1135
Chicago-Mac All Purpose1.1427
Chicago-Mac Downwind1.1784
Bayview-Mac Cove Island1.0692
Bayview-Mac Shore1.0790
Harvest Moon Regatta432.11.3887
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy518.91.1562
San Francisco Bay Medium592.91.0120
Predominantly Reaching466.31.2867
Predominantly Reaching Low560.81.0698
Predominantly Reaching Medium461.61.2997
Predominantly Reaching High412.41.4548
Windward/Leeward 60-40 Low805.60.7448
Windward/Leeward 60-40 Medium619.40.9687
Windward/Leeward 60-40 High560.11.0713
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low876.00.6849
5-Band Low / Medium735.60.8156
5-Band Medium593.71.0106
5-Band Medium / High543.41.1041
5-Band High517.51.1594

International
Certificate
2023

Boat

Rumba

USA 61132

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 133MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA13.183Max. Beam3.914Draft2.302Displacement9,406Wetted area36.66IMS L12.147LSM011.968Acc. length12.719Sink (kg/mm) 26.80
VCGD-0.079VCGM-0.132RM Rated (kg·m) 242.7Limit of positive stability(°) 121.6Stability Index127.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.462PBW0.115PIPA0.0037
EDL1.522ST10.046ST20.174
ST30.177ST40.110ST50.282
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.450IG17.375ISP18.345MDT10.131MDL10.255MDT20.098MDL20.157TL1.250MW0.219GO0.243
E5.660J5.520BAS1.685FSD0.035SFJ0.000SPLWPLTPS7.245BD0.204MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date01/08/2021MeasurerComment
SFFP0.994FFM1.310FF1.322LCFcl7.308SG1.0190
SAFP12.274FAM1.021FA1.024LCFsh7.564HBI1.171
W1115.3W2115.3W3115.3W4115.3
PD1454.7PD2454.7PD3454.7PD4454.7
WD12.225PLM9000.00GSA1.0RSA1.0RM244.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGSaSToolsSailor Services1225.950.00Total deductible1225.950.00

International
Certificate
2023

Boat

Rumba

USA 61132

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.151.242.143.665.0756.85Doyle 2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ00.051.052.033.925.667.9418.95NoYes074.08Doyle 2021AP0.050.701.392.764.145.5216.97YesNo 46.93Doyle 2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA1.519.9618.9319.4511.0912.3490%183.76DoyleA018.6917.6318.167.7710.3175%125.27Z Sails