International
Certificate
2023

Boat

FOX 2.0

USA 55052

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 Angles43.2°40.2°38.4°37.2°36.4°36.0°35.8°
Beat VMG5.206.226.717.017.207.337.47
52°7.949.129.629.9910.2810.5110.81
60°8.409.4710.0710.5110.8511.1211.51
75°8.749.8010.6611.2711.7512.1512.78
90°8.629.7010.7311.6912.4713.1014.11
110°8.359.7110.8911.9212.9013.7315.47
120°7.959.4310.6411.9413.1814.2816.19
135°6.898.739.9311.2112.6414.0816.84
150°5.747.408.749.7910.9512.3415.43
Run VMG4.976.417.578.489.4810.6913.37
Gybe Angles140.8°142.4°146.9°148.7°146.0°145.1°145.6°

APH: 381.3

CDL: 16.224

GPH: 428.6

CertNo: US7593

BOAT
ClassBotin 52DesignerBOTIN PARTNERSBuilderLongitud CeroAge date07/2020Series date07/2020Offset fileBOTIN 52-USA55052B.offData fileUS6718
HULL
Length Overall15.855 mMaximum Beam4.414 mDraft3.607 mDisplacement7,240 kgDLR2.0493IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.098%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.430m
CREW
Maximum weight1,304 kgMinimum weight978 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail98.51101.05Headsail Luffed69.6569.65Headsail FlyingSymmetricAsymmetric270.58270.58 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail25.88Storm Jib20.52Heavy Weather Jib55.40
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment427.9 kg·mStability Index141.1
COMMENTS
Offshore 2023 (QC)
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  04560002OU1Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

FOX 2.0

USA 55052

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 VMG692.3578.8536.2513.7499.9490.9482.2
52°453.2394.7374.1360.4350.2342.5332.9
60°428.4380.0357.6342.6331.9323.7312.8
75°412.1367.3337.6319.4306.4296.3281.6
90°417.9371.3335.5308.0288.7274.8255.1
110°431.3370.8330.5301.9279.2262.3232.8
120°452.8381.7338.3301.6273.1252.0222.3
135°522.4412.3362.6321.2284.8255.6213.7
150°627.6486.7412.1367.6328.8291.7233.2
Run VMG724.7562.0475.8424.5379.6336.8269.3
Selected Courses
Windward / Leeward708.5570.4506.0469.1439.8413.9375.8
All purpose538.0446.7401.2372.0349.0330.1302.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward482.51.2435
All purpose381.31.5734
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.1070
Downwind "popa"1.3237
70% up, 30% down "Ilhabela"1.1642
30% up, 70% down "Ilhabela-inverso"1.2503
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Predominantly Upwind416.91.4392
Predominantly Downwind387.71.5475
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low492.41.2186
Triple Number All Purpose Medium382.21.5699
Triple Number All Purpose High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Predominantly Upwind416.91.4392
Predominantly Downwind387.71.5475
Predominantly Upwind Low541.21.1087
Predominantly Upwind Medium434.71.3802
Predominantly Upwind High399.41.5021
Predominantly Downwind Low550.41.0900
Predominantly Downwind Medium390.11.5382
Predominantly Downwind High296.62.0231
Chicago-Mac Upwind1.4122
Chicago-Mac All Purpose1.4616
Chicago-Mac Downwind1.5129
Bayview-Mac Cove Island1.3676
Bayview-Mac Shore1.3850
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching357.11.6803
Predominantly Reaching Low446.51.3438
Predominantly Reaching Medium357.71.6775
Predominantly Reaching High293.42.0453
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low697.90.8597
5-Band Low / Medium587.41.0215
5-Band Medium474.11.2656
5-Band Medium / High416.51.4406
5-Band High382.41.5692
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance417.5
Triple Number Coastal/Long Distance Low492.4
Triple Number Coastal/Long Distance Medium382.2
Triple Number Coastal/Long Distance High324.5
Triple Number Windward/Leeward Low639.5
Triple Number Windward/Leeward Medium482.5
Triple Number Windward/Leeward High406.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2186
Triple Number Coastal/Long Distance Medium1.5699
Triple Number Coastal/Long Distance High1.8492
Triple Number Windward/Leeward Low0.9383
Triple Number Windward/Leeward Medium1.2435
Triple Number Windward/Leeward High1.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low492.4
Triple Number Coastal/Long Distance Medium382.2
Triple Number Coastal/Long Distance High324.5
Triple Number Windward/Leeward Low639.5
Triple Number Windward/Leeward Medium482.5
Triple Number Windward/Leeward High406.1
Predominantly Upwind416.9
Predominantly Downwind387.7
Predominantly Reaching366.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2186
Triple Number Coastal/Long Distance Medium1.5699
Triple Number Coastal/Long Distance High1.8492
Triple Number Windward/Leeward Low0.9383
Triple Number Windward/Leeward Medium1.2435
Triple Number Windward/Leeward High1.4776
Coastal/Long Distance1.4371
Predominantly Upwind1.4392
Predominantly Downwind1.5475
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.2186
Tretall Distanseseilas Mellomvind1.5699
Tretall Distanseseilas Mye vind1.8492
Tretall Pølsebane Lite vind0.9383
Tretall Pølsebane Mellomvind1.2435
Tretall Pølsebane Mye vind1.4776
Distanseseilas ett tall (OSN 8-16kn)1.4371
Distanseseilas ett tall (APH 6-20kn)1.5734
Enkeltall Motvind1.4392
Enkeltall Medvind1.5475
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Coastal/Long Distance417.51.4371
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind416.91.4392
Predominantly Downwind387.71.5475
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore387.21.5496
Cape Doctor Coastal310.81.9307
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2186
Triple Number Coastal/Long Distance Medium1.5699
Triple Number Coastal/Long Distance High1.8492
Triple Number Windward/Leeward Low0.9383
Triple Number Windward/Leeward Medium1.2435
Triple Number Windward/Leeward High1.4776
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2186
Triple Number Coastal/Long Distance Medium1.5699
Triple Number Coastal/Long Distance High1.8492
Triple Number Windward/Leeward Low0.9383
Triple Number Windward/Leeward Medium1.2435
Triple Number Windward/Leeward High1.4776
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Predominantly Upwind416.91.4392
Predominantly Downwind387.71.5475
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.51.4371
Triple Number Coastal/Long Distance Low492.41.2186
Triple Number Coastal/Long Distance Medium382.21.5699
Triple Number Coastal/Long Distance High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance710.1537.3454.5400.4363.7332.0283.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low492.41.2186
Triple Number All Purpose Medium382.21.5699
Triple Number All Purpose High324.51.8492
Triple Number Windward/Leeward Low639.50.9383
Triple Number Windward/Leeward Medium482.51.2435
Triple Number Windward/Leeward High406.11.4776
Predominantly Upwind416.91.4392
Predominantly Downwind387.71.5475
Predominantly Upwind Low541.21.1087
Predominantly Upwind Medium434.71.3802
Predominantly Upwind High399.41.5021
Predominantly Downwind Low550.41.0900
Predominantly Downwind Medium390.11.5382
Predominantly Downwind High296.62.0231
Chicago-Mac Upwind1.4122
Chicago-Mac All Purpose1.4616
Chicago-Mac Downwind1.5129
Bayview-Mac Cove Island1.3676
Bayview-Mac Shore1.3850
Harvest Moon Regatta313.61.9134
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy393.91.5232
San Francisco Bay Medium470.01.2767
Predominantly Reaching357.11.6803
Predominantly Reaching Low446.51.3438
Predominantly Reaching Medium357.71.6775
Predominantly Reaching High293.42.0453
Windward/Leeward 60-40 Low638.70.9394
Windward/Leeward 60-40 Medium496.31.2088
Windward/Leeward 60-40 High434.61.3806
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low697.90.8597
5-Band Low / Medium587.41.0215
5-Band Medium474.11.2656
5-Band Medium / High416.51.4406
5-Band High382.41.5692
ORC Ref  04560002OU1Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

FOX 2.0

USA 55052

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBotin 52Measurement07/07/2022HINPlan reviewHull constructionCarbonCarbon RudderYesLight stanchionsYesTrim tabNo
LOA15.855Max. Beam4.414Draft3.607Displacement7,240Wetted area41.39IMS L15.545LSM015.229Acc. length14.345Sink (kg/mm) 33.01
VCGD-1.219VCGM-1.324RM Rated (kg·m) 427.9Limit of positive stability(°) 142.1Stability Index141.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBW0.100PIPA0.0030
EDL1.116ST10.050ST20.134
ST30.134ST40.092ST50.330
RIG
Forestay tensionAft & ForwardInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/Checkstays2Spreaders3Rotating mastNo
P21.000IG20.185ISP22.940MDT10.134MDL10.344MDT20.107MDL20.180TL1.870MW0.298GO0.320
E7.041J6.215BAS1.945FSD0.037SFJ0.655SPLWPLTPS9.200BD0.350MWT264.40MCG8.065
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date07/07/2022MeasurerComment
SFFP0.597FFM1.097FF1.097LCFcl8.861SG1.0240
SAFP15.186FAM1.029FA1.027LCFsh9.126HBI1.272
W1151.0W2151.0W3151.0W4151.0
PD1500.8PD2500.8PD3500.8PD4500.8
WD18.115PLM9000.00GSA1.0RSA1.0RM430.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Deck Gearoffshore fixed equip-4010.242.10Total deductible-4010.242.10
ORC Ref  04560002OU1Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

FOX 2.0

USA 55052

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN71.852.503.444.906.0598.5119/11/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1.5-40.141.121.933.474.956.3320.59YesNo 69.6508/12/2022Q174983
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-226.0221.8223.9213.5013.8797%270.5825/10/2021MH024.0722.3423.219.1811.7378%187.3811/09/2020q141158FR022.5618.9220.748.3010.6778%151.6411/09/2020Q143710
ORC Ref  04560002OU1Issued on 21/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org