Club
Certificate
2023

Boat

LODOS

USA 41

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°40.2°38.2°37.0°37.0°36.9°37.0°
Beat VMG3.924.785.225.415.515.575.58
52°5.946.977.397.557.657.717.76
60°6.237.187.587.767.877.948.02
75°6.567.357.748.028.218.348.50
90°6.767.587.968.228.448.719.05
110°6.557.538.088.579.019.3710.05
120°6.237.428.048.589.059.6310.78
135°5.596.977.768.399.069.8411.70
150°4.735.997.037.738.228.7710.49
Run VMG4.095.196.096.707.127.609.09
Gybe Angles143.3°146.6°149.6°151.4°148.9°146.4°143.2°

APH: 506.6

CDL: 10.233

GPH: 564.3

CertNo: USA41

BOAT
ClassJ 111DesignerA. JohnstoneBuilderJ BoatsAge date01/2011Series date01/2010Offset fileJ111.OFFData fileUSA41
HULL
Length Overall11.121 mMaximum Beam3.302 mDraft2.192 mDisplacement4,337 kgDLR4.3175IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.422%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.409m
CREW
Maximum weight650 kgMinimum weight488 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.3639.23Headsail Luffed34.2334.23Headsail FlyingSymmetricAsymmetric131.92131.92 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.66Storm Jib11.13Heavy Weather Jib30.05
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment109.4 kg·mStability Index122.7
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.
ORC Ref  04560002LTOIssued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LODOS

USA 41

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 VMG918.3753.6689.1665.1653.2646.2645.1
52°606.3516.3487.1476.5470.6466.9463.8
60°577.8501.6475.2464.0457.5453.2448.7
75°549.1490.0465.4448.7438.5431.6423.6
90°532.2474.9452.2438.0426.5413.4397.9
110°549.5477.9445.3419.9399.6384.1358.2
120°577.8485.0447.6419.8397.7373.9333.9
135°643.6516.7464.0429.0397.4365.8307.7
150°761.4601.1511.9465.9438.1410.5343.1
Run VMG879.2694.1591.0537.1505.9474.0396.2
Selected Courses
Windward / Leeward898.8723.8640.1601.1579.6560.1520.7
All purpose689.0572.0520.3493.5476.0460.2432.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward623.60.9621
All purpose506.61.1844
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8450
Downwind "popa"1.0301
70% up, 30% down "Ilhabela"0.8931
30% up, 70% down "Ilhabela-inverso"0.9665
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Predominantly Upwind548.81.0933
Predominantly Downwind508.41.1802
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low630.50.9516
Triple Number All Purpose Medium504.61.1891
Triple Number All Purpose High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Predominantly Upwind548.81.0933
Predominantly Downwind508.41.1802
Predominantly Upwind Low701.70.8551
Predominantly Upwind Medium570.21.0523
Predominantly Upwind High542.01.1069
Predominantly Downwind Low687.60.8726
Predominantly Downwind Medium506.51.1847
Predominantly Downwind High420.81.4258
Chicago-Mac Upwind1.0753
Chicago-Mac All Purpose1.1145
Chicago-Mac Downwind1.1607
Bayview-Mac Cove Island1.0442
Bayview-Mac Shore1.0500
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching478.21.2547
Predominantly Reaching Low568.11.0562
Predominantly Reaching Medium474.61.2643
Predominantly Reaching High418.91.4325
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low885.30.6777
5-Band Low / Medium745.30.8050
5-Band Medium610.70.9824
5-Band Medium / High560.21.0711
5-Band High527.51.1375
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance550.1
Triple Number Coastal/Long Distance Low630.5
Triple Number Coastal/Long Distance Medium504.6
Triple Number Coastal/Long Distance High453.7
Triple Number Windward/Leeward Low811.2
Triple Number Windward/Leeward Medium618.9
Triple Number Windward/Leeward High550.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9516
Triple Number Coastal/Long Distance Medium1.1891
Triple Number Coastal/Long Distance High1.3224
Triple Number Windward/Leeward Low0.7396
Triple Number Windward/Leeward Medium0.9694
Triple Number Windward/Leeward High1.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low630.5
Triple Number Coastal/Long Distance Medium504.6
Triple Number Coastal/Long Distance High453.7
Triple Number Windward/Leeward Low811.2
Triple Number Windward/Leeward Medium618.9
Triple Number Windward/Leeward High550.2
Predominantly Upwind548.8
Predominantly Downwind508.4
Predominantly Reaching488.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9516
Triple Number Coastal/Long Distance Medium1.1891
Triple Number Coastal/Long Distance High1.3224
Triple Number Windward/Leeward Low0.7396
Triple Number Windward/Leeward Medium0.9694
Triple Number Windward/Leeward High1.0906
Coastal/Long Distance1.0907
Predominantly Upwind1.0933
Predominantly Downwind1.1802
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9516
Tretall Distanseseilas Mellomvind1.1891
Tretall Distanseseilas Mye vind1.3224
Tretall Pølsebane Lite vind0.7396
Tretall Pølsebane Mellomvind0.9694
Tretall Pølsebane Mye vind1.0906
Distanseseilas ett tall (OSN 8-16kn)1.0907
Distanseseilas ett tall (APH 6-20kn)1.1844
Enkeltall Motvind1.0933
Enkeltall Medvind1.1802
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Coastal/Long Distance550.11.0907
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind548.81.0933
Predominantly Downwind508.41.1802
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore532.51.1268
Cape Doctor Coastal440.71.3613
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9516
Triple Number Coastal/Long Distance Medium1.1891
Triple Number Coastal/Long Distance High1.3224
Triple Number Windward/Leeward Low0.7396
Triple Number Windward/Leeward Medium0.9694
Triple Number Windward/Leeward High1.0906
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9516
Triple Number Coastal/Long Distance Medium1.1891
Triple Number Coastal/Long Distance High1.3224
Triple Number Windward/Leeward Low0.7396
Triple Number Windward/Leeward Medium0.9694
Triple Number Windward/Leeward High1.0906
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Predominantly Upwind548.81.0933
Predominantly Downwind508.41.1802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance550.11.0907
Triple Number Coastal/Long Distance Low630.50.9516
Triple Number Coastal/Long Distance Medium504.61.1891
Triple Number Coastal/Long Distance High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance896.8682.2581.1526.3495.2465.6413.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low630.50.9516
Triple Number All Purpose Medium504.61.1891
Triple Number All Purpose High453.71.3224
Triple Number Windward/Leeward Low811.20.7396
Triple Number Windward/Leeward Medium618.90.9694
Triple Number Windward/Leeward High550.21.0906
Predominantly Upwind548.81.0933
Predominantly Downwind508.41.1802
Predominantly Upwind Low701.70.8551
Predominantly Upwind Medium570.21.0523
Predominantly Upwind High542.01.1069
Predominantly Downwind Low687.60.8726
Predominantly Downwind Medium506.51.1847
Predominantly Downwind High420.81.4258
Chicago-Mac Upwind1.0753
Chicago-Mac All Purpose1.1145
Chicago-Mac Downwind1.1607
Bayview-Mac Cove Island1.0442
Bayview-Mac Shore1.0500
Harvest Moon Regatta439.11.3666
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy533.31.1251
San Francisco Bay Medium607.00.9884
Predominantly Reaching478.21.2547
Predominantly Reaching Low568.11.0562
Predominantly Reaching Medium474.61.2643
Predominantly Reaching High418.91.4325
Windward/Leeward 60-40 Low816.20.7351
Windward/Leeward 60-40 Medium638.80.9392
Windward/Leeward 60-40 High583.31.0286
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low885.30.6777
5-Band Low / Medium745.30.8050
5-Band Medium610.70.9824
5-Band Medium / High560.21.0711
5-Band High527.51.1375
ORC Ref  04560002LTOIssued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LODOS

USA 41

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 111Measurement24/04/2022HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.121Max. Beam3.302Draft2.192Displacement4,337Wetted area23.75IMS L10.383LSM010.014Acc. length10.732Sink (kg/mm) 18.33
VCGD-0.096VCGM-0.112RM Rated (kg·m) 109.4Limit of positive stability(°) 122.7Stability Index122.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.409PBW0.126PIPA0.0035
EDL2.254ST10.041ST20.181
ST30.181ST40.114ST50.306
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.771IG14.741ISP15.671MDT10.111MDL10.171MDT20.081MDL20.111TL1.291MW0.141GO0.191
E4.421J4.221BAS1.681FSD0.061SFJ0.011SPL0.000WPLTPS6.651BD0.131MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date24/04/2022MeasurerComment
SFFP0.994FFM1.250FF1.251LCFcl6.096SG1.0180
SAFP10.966FAM0.881FA0.884LCFsh6.312HBI1.077
W1183.6W2183.6W3183.6W4183.6LCFD6.171
PD1540.4PD2541.7PD3542.6PD4541.9
WD3.981PLM9000.00GSA1.0RSA1.0RM106.3
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG#FuelFuel2389.010.21Total deductible79.010.21
Total deductible
ORC Ref  04560002LTOIssued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LODOS

USA 41

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain 3Di0.211.061.883.083.8638.3606/01/2022OUS121556-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ20.080.701.292.313.354.4514.90NoNo 34.2306/01/2022OUS143836-001StaySail0.060.631.252.323.314.2113.87NoInner 31.0106/01/2022OUS144412-003
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA217.8114.8116.319.5510.3392%131.9218/10/2022OUS144412-001 recutC-016.3015.3015.806.158.2075%86.3701/03/202260618689-01
ORC Ref  04560002LTOIssued on 16/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org