International
Certificate
2023

Boat

RAMBLER

USA 99

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 Angles44.8°41.2°38.8°38.1°37.6°37.6°38.1°
Beat VMG3.714.414.835.065.155.205.21
52°5.776.576.927.097.197.267.31
60°6.166.857.117.287.397.477.55
75°6.497.097.387.567.737.827.98
90°6.527.177.557.838.048.218.50
110°6.177.007.507.908.288.659.31
120°5.876.927.487.948.388.819.87
135°5.266.487.217.728.228.7810.60
150°4.465.616.557.157.527.878.65
Run VMG3.864.865.676.206.517.017.75
Gybe Angles143.9°147.8°149.2°150.5°150.2°174.8°175.7°

APH: 543.4

CDL: 8.921

GPH: 602.9

CertNo: US7243

BOAT
ClassJ 99DesignerJOHNSTONEBuilderJ COMPOSITESAge date06/2019Series date01/2019Offset fileJ99-LK.offData fileUSA99
HULL
Length Overall9.950 mMaximum Beam3.410 mDraft1.995 mDisplacement3,965 kgDLR6.0281IMS DivisionCruiser/RacerDynamic Allowance0.080%Age Allowance0.130%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight465 kgMinimum weight349 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0035.91Headsail Luffed27.9427.94Headsail Flying66.9166.91SymmetricAsymmetric108.40108.40 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.71Storm Jib8.69Heavy Weather Jib23.47
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment105.2 kg·mStability Index120.6
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

RAMBLER

USA 99

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 VMG970.6816.1745.4712.0698.4691.8691.1
52°624.3547.8520.5508.0500.6496.2492.8
60°584.4525.8506.0494.7487.1481.9476.9
75°555.1507.5488.1476.0465.9460.2451.2
90°551.8502.0476.9459.7447.5438.3423.8
110°583.3514.2480.1455.6434.7416.4386.8
120°613.4520.6481.4453.3429.7408.7364.9
135°684.9555.6499.6466.5438.0410.1339.6
150°807.8641.7550.0503.5479.0457.6416.2
Run VMG932.8741.0635.1581.1553.1513.7464.4
Selected Courses
Windward / Leeward951.7778.6690.2646.5625.8602.8577.8
All purpose723.9611.6557.9529.1512.0496.9473.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward671.80.8932
All purpose543.41.1041
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7887
Downwind "popa"0.9500
70% up, 30% down "Ilhabela"0.8310
30% up, 70% down "Ilhabela-inverso"0.8951
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Predominantly Upwind587.31.0217
Predominantly Downwind547.21.0965
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low667.70.8986
Triple Number All Purpose Medium541.31.1084
Triple Number All Purpose High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Predominantly Upwind587.31.0217
Predominantly Downwind547.21.0965
Predominantly Upwind Low745.00.8054
Predominantly Upwind Medium610.60.9827
Predominantly Upwind High579.51.0354
Predominantly Downwind Low730.70.8211
Predominantly Downwind Medium546.01.0988
Predominantly Downwind High464.01.2932
Chicago-Mac Upwind1.0048
Chicago-Mac All Purpose1.0398
Chicago-Mac Downwind1.0794
Bayview-Mac Cove Island0.9814
Bayview-Mac Shore0.9862
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching511.61.1727
Predominantly Reaching Low600.80.9987
Predominantly Reaching Medium507.51.1822
Predominantly Reaching High451.71.3284
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low938.40.6394
5-Band Low / Medium798.00.7519
5-Band Medium657.70.9122
5-Band Medium / High606.20.9897
5-Band High582.11.0307
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance590.9
Triple Number Coastal/Long Distance Low667.7
Triple Number Coastal/Long Distance Medium541.3
Triple Number Coastal/Long Distance High491.7
Triple Number Windward/Leeward Low865.2
Triple Number Windward/Leeward Medium666.9
Triple Number Windward/Leeward High599.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8986
Triple Number Coastal/Long Distance Medium1.1084
Triple Number Coastal/Long Distance High1.2202
Triple Number Windward/Leeward Low0.6935
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low667.7
Triple Number Coastal/Long Distance Medium541.3
Triple Number Coastal/Long Distance High491.7
Triple Number Windward/Leeward Low865.2
Triple Number Windward/Leeward Medium666.9
Triple Number Windward/Leeward High599.2
Predominantly Upwind587.3
Predominantly Downwind547.2
Predominantly Reaching523.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8986
Triple Number Coastal/Long Distance Medium1.1084
Triple Number Coastal/Long Distance High1.2202
Triple Number Windward/Leeward Low0.6935
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0014
Coastal/Long Distance1.0154
Predominantly Upwind1.0217
Predominantly Downwind1.0965
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8986
Tretall Distanseseilas Mellomvind1.1084
Tretall Distanseseilas Mye vind1.2202
Tretall Pølsebane Lite vind0.6935
Tretall Pølsebane Mellomvind0.8997
Tretall Pølsebane Mye vind1.0014
Distanseseilas ett tall (OSN 8-16kn)1.0154
Distanseseilas ett tall (APH 6-20kn)1.1041
Enkeltall Motvind1.0217
Enkeltall Medvind1.0965
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Coastal/Long Distance590.91.0154
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind587.31.0217
Predominantly Downwind547.21.0965
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore585.31.0252
Cape Doctor Coastal480.21.2494
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8986
Triple Number Coastal/Long Distance Medium1.1084
Triple Number Coastal/Long Distance High1.2202
Triple Number Windward/Leeward Low0.6935
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0014
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8986
Triple Number Coastal/Long Distance Medium1.1084
Triple Number Coastal/Long Distance High1.2202
Triple Number Windward/Leeward Low0.6935
Triple Number Windward/Leeward Medium0.8997
Triple Number Windward/Leeward High1.0014
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Predominantly Upwind587.31.0217
Predominantly Downwind547.21.0965
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.91.0154
Triple Number Coastal/Long Distance Low667.70.8986
Triple Number Coastal/Long Distance Medium541.31.1084
Triple Number Coastal/Long Distance High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8732.4625.0564.5532.0502.2452.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low667.70.8986
Triple Number All Purpose Medium541.31.1084
Triple Number All Purpose High491.71.2202
Triple Number Windward/Leeward Low865.20.6935
Triple Number Windward/Leeward Medium666.90.8997
Triple Number Windward/Leeward High599.21.0014
Predominantly Upwind587.31.0217
Predominantly Downwind547.21.0965
Predominantly Upwind Low745.00.8054
Predominantly Upwind Medium610.60.9827
Predominantly Upwind High579.51.0354
Predominantly Downwind Low730.70.8211
Predominantly Downwind Medium546.01.0988
Predominantly Downwind High464.01.2932
Chicago-Mac Upwind1.0048
Chicago-Mac All Purpose1.0398
Chicago-Mac Downwind1.0794
Bayview-Mac Cove Island0.9814
Bayview-Mac Shore0.9862
Harvest Moon Regatta473.11.2683
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy579.91.0346
San Francisco Bay Medium654.30.9170
Predominantly Reaching511.61.1727
Predominantly Reaching Low600.80.9987
Predominantly Reaching Medium507.51.1822
Predominantly Reaching High451.71.3284
Windward/Leeward 60-40 Low870.80.6890
Windward/Leeward 60-40 Medium687.80.8723
Windward/Leeward 60-40 High631.20.9506
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low938.40.6394
5-Band Low / Medium798.00.7519
5-Band Medium657.70.9122
5-Band Medium / High606.20.9897
5-Band High582.11.0307

International
Certificate
2023

Boat

RAMBLER

USA 99

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 99Measurement09/05/2019HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.950Max. Beam3.410Draft1.995Displacement3,965Wetted area21.34IMS L9.044LSM08.696Acc. length9.950Sink (kg/mm) 16.30
VCGD-0.301VCGM-0.176RM Rated (kg·m) 105.2Limit of positive stability(°) 123.8Stability Index120.6
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBW0.095PIPA0.0037
EDL1.825ST10.064ST20.170
ST30.170ST40.110ST50.302
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.755IG13.135ISP14.457MDT10.125MDL10.216MDT20.113MDL20.173TL0.996MW0.210GO0.224
E4.350J3.840BAS1.497FSD0.035SFJ0.032SPLWPLTPS5.120BD0.161MWT116.00MCG5.000
Flying Headsail Foretriangles IdISPTPS114.4575.120
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/06/2022MeasurerComment
SFFP0.590FFM1.181FF1.191LCFcl5.404SG1.0000
SAFP9.870FAM0.846FA0.853LCFsh5.664HBI1.005
W174.0W274.0W374.0W474.0
PD1288.0PD2288.0PD3288.0PD4288.0
WD10.150PLM2318.00GSA31.7RSA14314.0RM105.6
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFuel45355.300.00Total deductible295.300.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0

International
Certificate
2023

Boat

RAMBLER

USA 99

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.401.131.862.983.7635.0011/06/20192019 MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC-650.061.402.765.146.958.2214.29NoYes166.9119/03/2023OUS152117-002J-00.080.801.482.743.854.9314.72NoYes038.6923/03/2023J1.50.100.611.152.153.194.1113.07YesNo 27.9403/07/2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA216.1713.7214.958.748.56102%108.4011/06/2019A2 2019A315.5313.8514.697.728.2194%95.7111/05/2021Code 014.7713.8214.306.298.3176%79.7411/06/2021