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 Angles43.3°40.2°38.4°37.2°36.4°36.1°35.8°
Beat VMG5.216.236.727.017.217.347.47
52°7.969.139.6310.0010.2910.5210.83
60°8.429.4810.0810.5210.8611.1311.52
75°8.759.8110.6811.2911.7712.1712.81
90°8.639.7110.7511.7112.4913.1214.14
110°7.929.4210.4411.1712.1113.3615.50
120°7.699.3010.5211.5912.4413.2814.94
135°6.908.749.9411.2212.6614.1016.31
150°5.747.408.749.8010.9612.3615.46
Run VMG4.976.417.578.499.4910.7013.39
Gybe Angles140.8°142.4°146.9°148.7°146.0°144.9°145.6°

APH: 383.0

CDL: 16.233

GPH: 430.4

CertNo: US7593

BOAT
ClassBotin 52DesignerBOTIN PARTNERSBuilderLongitud CeroAge date07/2020Series date07/2020Offset fileBOTIN 52-USA55052B.offData fileUS6718
HULL
Length Overall15.855 mMaximum Beam4.414 mDraft3.606 mDisplacement7,200 kgDLR2.0501IMS 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 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail25.88Storm Jib20.52Heavy Weather Jib55.40
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment427.1 kg·mStability Index141.3
COMMENTS
Inshore 2023
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  04560002O0OIssued on 08/06/2023Valid 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 VMG691.4578.2535.7513.2499.5490.5481.9
52°452.5394.4373.8360.0349.9342.2332.5
60°427.7379.6357.2342.2331.5323.3312.4
75°411.5366.9337.1319.0305.9295.9281.1
90°417.2370.8335.0307.5288.2274.3254.6
110°454.4382.0344.8322.2297.4269.4232.2
120°468.4386.9342.2310.5289.3271.0241.0
135°521.8411.9362.2320.8284.4255.2220.7
150°626.9486.2411.7367.3328.4291.3232.9
Run VMG723.9561.4475.4424.1379.2336.4268.9
Selected Courses
Windward / Leeward707.7569.8505.6468.7439.3413.5375.4
All purpose540.4447.6402.4374.0351.2331.5303.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward482.11.2447
All purpose383.01.5664
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.1081
Downwind "popa"1.3252
70% up, 30% down "Ilhabela"1.1653
30% up, 70% down "Ilhabela-inverso"1.2516
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Predominantly Upwind416.51.4407
Predominantly Downwind387.31.5492
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low494.01.2146
Triple Number All Purpose Medium383.91.5629
Triple Number All Purpose High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Predominantly Upwind416.51.4407
Predominantly Downwind387.31.5492
Predominantly Upwind Low540.51.1101
Predominantly Upwind Medium434.31.3816
Predominantly Upwind High399.11.5033
Predominantly Downwind Low549.81.0913
Predominantly Downwind Medium389.71.5398
Predominantly Downwind High297.02.0202
Chicago-Mac Upwind1.4136
Chicago-Mac All Purpose1.4630
Chicago-Mac Downwind1.5141
Bayview-Mac Cove Island1.3638
Bayview-Mac Shore1.3820
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching356.61.6823
Predominantly Reaching Low446.01.3454
Predominantly Reaching Medium357.21.6795
Predominantly Reaching High293.72.0432
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low697.10.8608
5-Band Low / Medium586.81.0226
5-Band Medium473.71.2668
5-Band Medium / High416.11.4420
5-Band High382.01.5708
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance418.8
Triple Number Coastal/Long Distance Low494.0
Triple Number Coastal/Long Distance Medium383.9
Triple Number Coastal/Long Distance High326.0
Triple Number Windward/Leeward Low638.7
Triple Number Windward/Leeward Medium482.0
Triple Number Windward/Leeward High405.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2146
Triple Number Coastal/Long Distance Medium1.5629
Triple Number Coastal/Long Distance High1.8404
Triple Number Windward/Leeward Low0.9394
Triple Number Windward/Leeward Medium1.2447
Triple Number Windward/Leeward High1.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low494.0
Triple Number Coastal/Long Distance Medium383.9
Triple Number Coastal/Long Distance High326.0
Triple Number Windward/Leeward Low638.7
Triple Number Windward/Leeward Medium482.0
Triple Number Windward/Leeward High405.7
Predominantly Upwind416.5
Predominantly Downwind387.3
Predominantly Reaching366.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2146
Triple Number Coastal/Long Distance Medium1.5629
Triple Number Coastal/Long Distance High1.8404
Triple Number Windward/Leeward Low0.9394
Triple Number Windward/Leeward Medium1.2447
Triple Number Windward/Leeward High1.4791
Coastal/Long Distance1.4327
Predominantly Upwind1.4407
Predominantly Downwind1.5492
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.2146
Tretall Distanseseilas Mellomvind1.5629
Tretall Distanseseilas Mye vind1.8404
Tretall Pølsebane Lite vind0.9394
Tretall Pølsebane Mellomvind1.2447
Tretall Pølsebane Mye vind1.4791
Distanseseilas ett tall (OSN 8-16kn)1.4327
Distanseseilas ett tall (APH 6-20kn)1.5664
Enkeltall Motvind1.4407
Enkeltall Medvind1.5492
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Coastal/Long Distance418.81.4327
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind416.51.4407
Predominantly Downwind387.31.5492
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore386.81.5512
Cape Doctor Coastal312.11.9227
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2146
Triple Number Coastal/Long Distance Medium1.5629
Triple Number Coastal/Long Distance High1.8404
Triple Number Windward/Leeward Low0.9394
Triple Number Windward/Leeward Medium1.2447
Triple Number Windward/Leeward High1.4791
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2146
Triple Number Coastal/Long Distance Medium1.5629
Triple Number Coastal/Long Distance High1.8404
Triple Number Windward/Leeward Low0.9394
Triple Number Windward/Leeward Medium1.2447
Triple Number Windward/Leeward High1.4791
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Predominantly Upwind416.51.4407
Predominantly Downwind387.31.5492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance418.81.4327
Triple Number Coastal/Long Distance Low494.01.2146
Triple Number Coastal/Long Distance Medium383.91.5629
Triple Number Coastal/Long Distance High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance709.3537.0454.5401.3366.2335.5287.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low494.01.2146
Triple Number All Purpose Medium383.91.5629
Triple Number All Purpose High326.01.8404
Triple Number Windward/Leeward Low638.70.9394
Triple Number Windward/Leeward Medium482.01.2447
Triple Number Windward/Leeward High405.71.4791
Predominantly Upwind416.51.4407
Predominantly Downwind387.31.5492
Predominantly Upwind Low540.51.1101
Predominantly Upwind Medium434.31.3816
Predominantly Upwind High399.11.5033
Predominantly Downwind Low549.81.0913
Predominantly Downwind Medium389.71.5398
Predominantly Downwind High297.02.0202
Chicago-Mac Upwind1.4136
Chicago-Mac All Purpose1.4630
Chicago-Mac Downwind1.5141
Bayview-Mac Cove Island1.3638
Bayview-Mac Shore1.3820
Harvest Moon Regatta317.31.8908
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy394.31.5215
San Francisco Bay Medium469.91.2767
Predominantly Reaching356.61.6823
Predominantly Reaching Low446.01.3454
Predominantly Reaching Medium357.21.6795
Predominantly Reaching High293.72.0432
Windward/Leeward 60-40 Low637.90.9405
Windward/Leeward 60-40 Medium495.91.2100
Windward/Leeward 60-40 High434.21.3819
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low697.10.8608
5-Band Low / Medium586.81.0226
5-Band Medium473.71.2668
5-Band Medium / High416.11.4420
5-Band High382.01.5708
ORC Ref  04560002O0OIssued on 08/06/2023Valid 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. Beam4.414Draft3.606Displacement7,200Wetted area41.27IMS L15.535LSM015.199Acc. length14.345Sink (kg/mm) 32.89
VCGD-1.237VCGM-1.341RM Rated (kg·m) 427.1Limit of positive stability(°) 142.4Stability Index141.3
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
SFFP0.597FFM1.097FF1.097LCFcl8.846SG1.0240
SAFP15.186FAM1.029FA1.029LCFsh9.111HBI1.273
W1151.0W2151.0W3151.0W4151.0
PD1500.8PD2500.8PD3500.8PD4500.8
WD18.115PLM9000.00GSA1.0RSA1.0RM430.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002O0OIssued on 08/06/2023Valid 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%270.5825/10/2021
ORC Ref  04560002O0OIssued on 08/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org