Club
Certificate
2024

Boat

GENTOO

USA 138

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 24 kt
Beat Angles42.7°40.4°37.9°36.9°36.3°36.0°35.9°37.0°
Beat VMG3.934.815.315.525.645.725.795.71
52°5.967.017.467.657.767.847.947.94
60°6.257.217.637.857.988.088.218.22
75°6.447.337.778.098.328.488.728.84
90°6.617.527.978.258.518.829.299.60
110°6.447.508.078.589.079.5110.2710.77
120°6.247.448.078.649.179.7511.1112.48
135°5.606.977.768.419.099.9112.0113.83
150°4.736.007.047.738.228.7810.5713.85
Run VMG4.105.196.096.707.127.619.1512.00
Gybe Angles143.2°146.1°149.6°151.2°148.7°146.2°142.7°145.0°
APH ToD:502.2CDL: 10.423APH ToT: 1.1946CertNo:US138
BOAT
ClassJ 111DesignerA. JOHNSTONEBuilderJ BOATSAge date01/2011Series date01/2010Offset fileJ111.offData fileUSA 138
HULL
Length Overall11.121 mMaximum Beam3.302 mDraft2.181 mDisplacement4,142 kgDLR4.2686IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.455%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight678 kg(default)Minimum weight548 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail38.2539.12Headsail Luffed34.9534.95Headsail FlyingSymmetricAsymmetric130.62130.62 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.66Storm Jib11.13Heavy Weather Jib30.04
SAIL LIMITS
Headsails6  Spinnakers5
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
Certificate
2024

Boat

GENTOO

USA 138

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 24 kt
Beat VMG915.4748.2677.7651.9637.8629.4621.7630.4
52°604.1513.5482.8470.8464.0459.2453.5453.4
60°575.6499.5472.0458.6451.1445.4438.4437.9
75°559.2491.3463.3445.1432.6424.5412.9407.3
90°544.7478.5451.8436.4422.9408.3387.7374.9
110°559.0480.3446.4419.4397.0378.6350.5334.2
120°577.1484.1445.8416.6392.6369.3324.1288.4
135°642.5516.3463.8428.3395.9363.3299.7260.3
150°760.5600.3511.5465.8437.9409.9340.6259.9
Run VMG878.1693.2590.7537.1505.6473.3393.3300.1
Selected Courses
Windward / Leeward896.8720.7634.2594.5571.7551.3507.5465.2
All purpose690.5570.8517.0489.2470.3453.4421.7396.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward616.90.9725
All purpose502.21.1946
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8603
Downwind "popa"1.0316
70% up, 30% down "Ilhabela"0.9054
30% up, 70% down "Ilhabela-inverso"0.9735
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Predominantly Upwind543.01.1049
Predominantly Downwind506.41.1849
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low630.70.9514
Triple Number AP Medium500.61.1986
Triple Number AP High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Single Number Predominant Upwind541.81.1075
Single Number Predominant Reaching479.21.2521
Single Number Predominant Downwind507.51.1823
Predominant Upwind - Low693.10.8657
Predominant Upwind - Low/Med587.31.0217
Predominant Upwind - Medium529.31.1336
Predominant Upwind - Med/High497.51.2059
Predominant Upwind - High477.41.2567
Predominant Downwind Low690.10.8694
Predominant Downwind Low/Med568.41.0556
Predominant Downwind Medium492.51.2182
Predominant Downwind Med/High436.81.3738
Predominant Downwind High386.81.5514
Predominant Reaching Low615.30.9752
Predominant Reaching Low/Med523.91.1453
Predominant Reaching Medium469.01.2794
Predominant Reaching Med/High428.41.4005
Predominant Reaching High396.01.5153
SA/DSPL Upwind28.25SA/DSPL Downwind65.17
Scoring OptionTODTOT
5-Band Windward/Leeward Low856.80.7003
5-Band Windward/Leeward Low/Med697.50.8602
5-Band Windward/Leeward Medium604.10.9932
5-Band Windward/Leeward Med/High551.01.0889
5-Band Windward/Leeward High507.81.1816
Windward/Leeward 60-40 Low860.90.6969
Windward/Leeward 60-40 Low/Med704.70.8514
Windward/Leeward 60-40 Medium615.30.9752
Windward/Leeward 60-40 Med/High567.11.0581
Windward/Leeward 60-40 High531.11.1297
5-Band AP Low663.30.9045
5-Band AP Low/Med557.41.0764
5-Band AP Medium494.41.2135
5-Band AP Med/High453.91.3218
5-Band AP High422.81.4191
5-Band SF Bay Tour - Low814.00.7371
5-Band SF Bay Tour - Low/Med667.00.8996
5-Band SF Bay Tour - Medium581.51.0319
5-Band SF Bay Tour - Med/High532.01.1279
5-Band SF Bay Tour - High493.61.2156
Chicago-Mac Upwind1.0872
Chicago-Mac All Purpose1.1229
Chicago-Mac Downwind1.1656
Bayview-Mac Cove Island1.0492
Bayview-Mac Shore1.0569
Harvest Moon Regatta435.21.3787
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance545.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9514
Triple Number Coastal/Long Distance Medium1.1987
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7419
Triple Number Windward/Leeward Medium0.9795
Triple Number Windward/Leeward High1.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low630.6
Triple Number Coastal/Long Distance Medium500.5
Triple Number Coastal/Long Distance High445.7
Triple Number Windward/Leeward Low808.7
Triple Number Windward/Leeward Medium612.6
Triple Number Windward/Leeward High540.0
Predominantly Upwind543.0
Predominantly Downwind506.4
Predominantly Reaching485.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9514
Triple Number Coastal/Long Distance Medium1.1987
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7419
Triple Number Windward/Leeward Medium0.9795
Triple Number Windward/Leeward High1.1111
Coastal/Long Distance1.1007
Predominantly Upwind1.1049
Predominantly Downwind1.1849
For information
General Purpose Handicap (GPH)560.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9514
Tretall Distanseseilas Mellomvind1.1987
Tretall Distanseseilas Mye vind1.3461
Tretall Pølsebane Lite vind0.7419
Tretall Pølsebane Mellomvind0.9795
Tretall Pølsebane Mye vind1.1111
Distanseseilas ett tall1.1946
Enkeltall Motvind1.1049
Enkeltall Medvind1.1849
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Coastal/Long Distance545.11.1007
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind543.01.1049
Predominantly Downwind506.41.1849
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore477.91.2554
Cape Doctor Coastal404.11.4849
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9514
Triple Number Coastal/Long Distance Medium1.1987
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7419
Triple Number Windward/Leeward Medium0.9795
Triple Number Windward/Leeward High1.1111
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9514
Triple Number Coastal/Long Distance Medium1.1987
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7419
Triple Number Windward/Leeward Medium0.9795
Triple Number Windward/Leeward High1.1111
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Predominantly Upwind543.01.1049
Predominantly Downwind506.41.1849
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance545.11.1007
Triple Number Coastal/Long Distance Low630.60.9514
Triple Number Coastal/Long Distance Medium500.51.1987
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance894.9679.7576.5520.9488.9458.9403.7375.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low630.70.9514
Triple Number AP Medium500.61.1986
Triple Number AP High445.71.3461
Triple Number Windward/Leeward Low808.70.7419
Triple Number Windward/Leeward Medium612.60.9795
Triple Number Windward/Leeward High540.01.1111
Single Number Predominant Upwind541.81.1075
Single Number Predominant Reaching479.21.2521
Single Number Predominant Downwind507.51.1823
Predominant Upwind - Low693.10.8657
Predominant Upwind - Low/Med587.31.0217
Predominant Upwind - Medium529.31.1336
Predominant Upwind - Med/High497.51.2059
Predominant Upwind - High477.41.2567
Predominant Downwind Low690.10.8694
Predominant Downwind Low/Med568.41.0556
Predominant Downwind Medium492.51.2182
Predominant Downwind Med/High436.81.3738
Predominant Downwind High386.81.5514
Predominant Reaching Low615.30.9752
Predominant Reaching Low/Med523.91.1453
Predominant Reaching Medium469.01.2794
Predominant Reaching Med/High428.41.4005
Predominant Reaching High396.01.5153
SA/DSPL Upwind28.25SA/DSPL Downwind65.17
Scoring OptionTODTOT
5-Band Windward/Leeward Low856.80.7003
5-Band Windward/Leeward Low/Med697.50.8602
5-Band Windward/Leeward Medium604.10.9932
5-Band Windward/Leeward Med/High551.01.0889
5-Band Windward/Leeward High507.81.1816
Windward/Leeward 60-40 Low860.90.6969
Windward/Leeward 60-40 Low/Med704.70.8514
Windward/Leeward 60-40 Medium615.30.9752
Windward/Leeward 60-40 Med/High567.11.0581
Windward/Leeward 60-40 High531.11.1297
5-Band AP Low663.30.9045
5-Band AP Low/Med557.41.0764
5-Band AP Medium494.41.2135
5-Band AP Med/High453.91.3218
5-Band AP High422.81.4191
5-Band SF Bay Tour - Low814.00.7371
5-Band SF Bay Tour - Low/Med667.00.8996
5-Band SF Bay Tour - Medium581.51.0319
5-Band SF Bay Tour - Med/High532.01.1279
5-Band SF Bay Tour - High493.61.2156
Chicago-Mac Upwind1.0872
Chicago-Mac All Purpose1.1229
Chicago-Mac Downwind1.1656
Bayview-Mac Cove Island1.0492
Bayview-Mac Shore1.0569
Harvest Moon Regatta435.21.3787

Club
Certificate
2024

Boat

GENTOO

USA 138

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 111MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.121Max. Beam3.302Draft2.181Displacement4,142Wetted area23.30IMS L10.351LSM09.899Acc. length10.732Sink (kg/mm) 17.98
VCGD-0.260VCGM-0.265RM Rated (kg·m) 116.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight678Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.408PBW0.125PIPA0.0035
EDL2.253ST10.040ST20.180
ST30.180ST40.113ST50.305
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.770IG14.740ISP15.670MDT10.110MDL10.170MDT20.080MDL20.110TL1.290MW0.140GO0.190
E4.420J4.220BAS1.680FSD0.030SFJ0.300SPL0.000WPLTPS6.650BD0.130MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered116.5Flotation Date27/06/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

GENTOO

USA 138

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn-220.171.061.883.083.8438.2520/12/2022174722
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.100.701.302.393.414.4514.99YesNo 34.9520/12/2022174356
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA218.7015.5017.109.368.39112%130.6220/12/2022174360C016.2514.4015.336.278.3575%85.3920/12/2022174922