Club
Certificate
2023

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
Beat Angles42.6°40.5°37.8°37.0°36.4°36.3°36.4°
Beat VMG3.964.835.315.515.615.685.70
52°5.997.047.477.647.757.817.88
60°6.297.237.647.857.978.068.15
75°6.597.417.798.118.338.478.66
90°6.797.628.058.348.568.849.25
110°6.577.558.138.669.159.6010.37
120°6.257.458.098.669.199.7911.17
135°5.616.997.788.439.139.9612.09
150°4.746.017.057.758.258.8310.67
Run VMG4.115.216.116.727.147.659.24
Gybe Angles143.3°146.0°149.6°151.4°148.7°146.2°142.6°

APH: 501.2

CDL: 10.377

GPH: 558.9

CertNo: 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 Allowance0.422%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight678 kgMinimum weight509 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.
ORC Ref  04560002PP6Issued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

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
Beat VMG910.2745.1677.8653.6641.2634.1631.5
52°600.6511.6482.2471.1464.8460.8457.0
60°572.2497.8471.2458.6451.5446.7441.5
75°546.4485.8462.1444.1432.3424.9415.7
90°530.1472.4447.3431.8420.4407.1389.0
110°548.0476.6442.9415.9393.3375.2347.0
120°576.3483.4445.1415.7391.6367.5322.4
135°641.3515.3463.0427.1394.4361.4297.7
150°758.8598.9510.3464.8436.4407.8337.5
Run VMG876.2691.5589.3535.8503.9470.9389.7
Selected Courses
Windward / Leeward893.2718.3633.6594.7572.5552.5510.6
All purpose685.1568.2515.7488.3469.9453.5423.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward616.90.9726
All purpose501.21.1971
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8583
Downwind "popa"1.0352
70% up, 30% down "Ilhabela"0.9047
30% up, 70% down "Ilhabela-inverso"0.9749
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Predominantly Upwind542.41.1062
Predominantly Downwind504.71.1887
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low626.60.9575
Triple Number All Purpose Medium499.51.2012
Triple Number All Purpose High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Predominantly Upwind542.41.1062
Predominantly Downwind504.71.1887
Predominantly Upwind Low695.90.8622
Predominantly Upwind Medium562.31.0671
Predominantly Upwind High532.71.1264
Predominantly Downwind Low684.30.8768
Predominantly Downwind Medium503.81.1908
Predominantly Downwind High415.31.4446
Chicago-Mac Upwind1.0884
Chicago-Mac All Purpose1.1256
Chicago-Mac Downwind1.1692
Bayview-Mac Cove Island1.0534
Bayview-Mac Shore1.0604
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching473.61.2669
Predominantly Reaching Low565.01.0619
Predominantly Reaching Medium470.61.2751
Predominantly Reaching High412.41.4548
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low879.70.6821
5-Band Low / Medium739.50.8113
5-Band Medium604.20.9931
5-Band Medium / High552.31.0863
5-Band High517.91.1586
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance544.3
Triple Number Coastal/Long Distance Low626.6
Triple Number Coastal/Long Distance Medium499.5
Triple Number Coastal/Long Distance High446.3
Triple Number Windward/Leeward Low805.7
Triple Number Windward/Leeward Medium612.4
Triple Number Windward/Leeward High541.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9575
Triple Number Coastal/Long Distance Medium1.2012
Triple Number Coastal/Long Distance High1.3445
Triple Number Windward/Leeward Low0.7447
Triple Number Windward/Leeward Medium0.9797
Triple Number Windward/Leeward High1.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low626.6
Triple Number Coastal/Long Distance Medium499.5
Triple Number Coastal/Long Distance High446.3
Triple Number Windward/Leeward Low805.7
Triple Number Windward/Leeward Medium612.4
Triple Number Windward/Leeward High541.8
Predominantly Upwind542.4
Predominantly Downwind504.7
Predominantly Reaching483.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9575
Triple Number Coastal/Long Distance Medium1.2012
Triple Number Coastal/Long Distance High1.3445
Triple Number Windward/Leeward Low0.7447
Triple Number Windward/Leeward Medium0.9797
Triple Number Windward/Leeward High1.1074
Coastal/Long Distance1.1023
Predominantly Upwind1.1062
Predominantly Downwind1.1887
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9575
Tretall Distanseseilas Mellomvind1.2012
Tretall Distanseseilas Mye vind1.3445
Tretall Pølsebane Lite vind0.7447
Tretall Pølsebane Mellomvind0.9797
Tretall Pølsebane Mye vind1.1074
Distanseseilas ett tall (OSN 8-16kn)1.1023
Distanseseilas ett tall (APH 6-20kn)1.1971
Enkeltall Motvind1.1062
Enkeltall Medvind1.1887
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Coastal/Long Distance544.31.1023
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind542.41.1062
Predominantly Downwind504.71.1887
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore523.21.1468
Cape Doctor Coastal432.31.3879
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9575
Triple Number Coastal/Long Distance Medium1.2012
Triple Number Coastal/Long Distance High1.3445
Triple Number Windward/Leeward Low0.7447
Triple Number Windward/Leeward Medium0.9797
Triple Number Windward/Leeward High1.1074
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9575
Triple Number Coastal/Long Distance Medium1.2012
Triple Number Coastal/Long Distance High1.3445
Triple Number Windward/Leeward Low0.7447
Triple Number Windward/Leeward Medium0.9797
Triple Number Windward/Leeward High1.1074
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Predominantly Upwind542.41.1062
Predominantly Downwind504.71.1887
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.31.1023
Triple Number Coastal/Long Distance Low626.60.9575
Triple Number Coastal/Long Distance Medium499.51.2012
Triple Number Coastal/Long Distance High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance891.5677.3575.5520.5488.8459.0404.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low626.60.9575
Triple Number All Purpose Medium499.51.2012
Triple Number All Purpose High446.31.3445
Triple Number Windward/Leeward Low805.70.7447
Triple Number Windward/Leeward Medium612.40.9797
Triple Number Windward/Leeward High541.81.1074
Predominantly Upwind542.41.1062
Predominantly Downwind504.71.1887
Predominantly Upwind Low695.90.8622
Predominantly Upwind Medium562.31.0671
Predominantly Upwind High532.71.1264
Predominantly Downwind Low684.30.8768
Predominantly Downwind Medium503.81.1908
Predominantly Downwind High415.31.4446
Chicago-Mac Upwind1.0884
Chicago-Mac All Purpose1.1256
Chicago-Mac Downwind1.1692
Bayview-Mac Cove Island1.0534
Bayview-Mac Shore1.0604
Harvest Moon Regatta433.61.3839
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy524.81.1433
San Francisco Bay Medium600.50.9992
Predominantly Reaching473.61.2669
Predominantly Reaching Low565.01.0619
Predominantly Reaching Medium470.61.2751
Predominantly Reaching High412.41.4548
Windward/Leeward 60-40 Low810.10.7406
Windward/Leeward 60-40 Medium630.70.9513
Windward/Leeward 60-40 High573.51.0463
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low879.70.6821
5-Band Low / Medium739.50.8113
5-Band Medium604.20.9931
5-Band Medium / High552.31.0863
5-Band High517.91.1586
ORC Ref  04560002PP6Issued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

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 L10.315LSM09.899Acc. length10.732Sink (kg/mm) 17.98
VCGD-0.253VCGM-0.258RM Rated (kg·m) 116.0Limit of positive stability(°) N/AStability IndexN/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 FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.770IG14.740ISP15.670MDT10.110MDL10.170MDT20.080MDL20.110TL1.290MW0.140GO0.190
E4.420J4.220BAS1.680FSD0.060SFJ0.010SPL0.000WPLTPS6.650BD0.130MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered116.0Flotation Date27/06/2023MeasurerComment
SFFP0.994FFMFF1.259LCFcl6.061SG
SAFP10.966FAMFA0.898LCFsh6.278HBI1.087
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002PP6Issued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

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
ORC Ref  04560002PP6Issued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org