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 Angles43.0°40.0°38.4°37.2°36.7°36.3°36.0°
Beat VMG5.226.216.696.987.177.307.42
52°7.979.119.609.9510.2310.4510.74
60°8.449.4810.0410.4610.7911.0611.42
75°8.779.8310.6511.2311.6912.0712.68
90°8.669.7310.7611.6812.4213.0314.01
110°8.389.7310.9011.9112.8413.6615.42
120°7.999.4610.6711.9513.1514.2516.10
135°6.928.769.9611.2412.6714.0916.84
150°5.767.438.769.8311.0012.4015.50
Run VMG4.996.437.598.519.5210.7413.42
Gybe Angles140.8°142.4°146.9°148.7°146.0°145.1°146.0°

APH: 381.6

CDL: 16.130

GPH: 428.5

CertNo: US7593

BOAT
ClassBotin 52DesignerBOTIN PARTNERSBuilderLongitud CeroAge date07/2020Series date07/2020Offset fileBOTIN 52-USA55052B.offData fileUS6718
HULL
Length Overall15.855 mMaximum Beam4.414 mDraft3.605 mDisplacement7,166 kgDLR2.0511IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.098%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.430m
CREW
Maximum weight1,242 kgMinimum weight932 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail98.51101.11Headsail 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 Moment414.9 kg·mStability Index140.4
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  04560002TSNIssued on 28/11/2023Valid until 27/02/2024
VPP ver: 2023 1.03 | © 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 VMG689.7579.4538.0515.8502.2493.4485.3
52°451.4395.0375.1361.8351.9344.4335.3
60°426.7379.9358.6344.0333.6325.5315.1
75°410.4366.4337.9320.6307.9298.2283.8
90°415.9369.9334.6308.2289.9276.2256.9
110°429.8369.9330.4302.3280.4263.6233.4
120°450.8380.6337.4301.3273.7252.6223.6
135°520.1411.0361.5320.2284.2255.6213.8
150°624.8484.6410.7366.4327.4290.4232.2
Run VMG721.5559.5474.3423.0378.1335.3268.2
Selected Courses
Windward / Leeward705.6569.4506.1469.4440.1414.3376.7
All purpose535.8445.9401.2372.4349.7331.1303.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward482.61.2433
All purpose381.61.5724
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.1042
Downwind "popa"1.3292
70% up, 30% down "Ilhabela"1.1633
30% up, 70% down "Ilhabela-inverso"1.2526
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Predominantly Upwind417.61.4368
Predominantly Downwind387.11.5500
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low490.81.2224
Triple Number All Purpose Medium382.51.5688
Triple Number All Purpose High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Predominantly Upwind417.61.4368
Predominantly Downwind387.11.5500
Predominantly Upwind Low539.91.1113
Predominantly Upwind Medium436.01.3763
Predominantly Upwind High401.51.4944
Predominantly Downwind Low548.41.0942
Predominantly Downwind Medium389.11.5421
Predominantly Downwind High296.22.0257
Chicago-Mac Upwind1.4101
Chicago-Mac All Purpose1.4617
Chicago-Mac Downwind1.5155
Bayview-Mac Cove Island1.3694
Bayview-Mac Shore1.3857
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching357.01.6805
Predominantly Reaching Low445.01.3484
Predominantly Reaching Medium357.41.6786
Predominantly Reaching High294.32.0390
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low695.10.8632
5-Band Low / Medium586.21.0235
5-Band Medium474.31.2650
5-Band Medium / High417.01.4388
5-Band High383.21.5657
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance417.7
Triple Number Coastal/Long Distance Low490.8
Triple Number Coastal/Long Distance Medium382.5
Triple Number Coastal/Long Distance High325.5
Triple Number Windward/Leeward Low637.6
Triple Number Windward/Leeward Medium482.7
Triple Number Windward/Leeward High406.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2224
Triple Number Coastal/Long Distance Medium1.5688
Triple Number Coastal/Long Distance High1.8435
Triple Number Windward/Leeward Low0.9411
Triple Number Windward/Leeward Medium1.2431
Triple Number Windward/Leeward High1.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low490.8
Triple Number Coastal/Long Distance Medium382.5
Triple Number Coastal/Long Distance High325.5
Triple Number Windward/Leeward Low637.6
Triple Number Windward/Leeward Medium482.7
Triple Number Windward/Leeward High406.7
Predominantly Upwind417.6
Predominantly Downwind387.1
Predominantly Reaching366.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2224
Triple Number Coastal/Long Distance Medium1.5688
Triple Number Coastal/Long Distance High1.8435
Triple Number Windward/Leeward Low0.9411
Triple Number Windward/Leeward Medium1.2431
Triple Number Windward/Leeward High1.4754
Coastal/Long Distance1.4365
Predominantly Upwind1.4368
Predominantly Downwind1.5500
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.2224
Tretall Distanseseilas Mellomvind1.5688
Tretall Distanseseilas Mye vind1.8435
Tretall Pølsebane Lite vind0.9411
Tretall Pølsebane Mellomvind1.2431
Tretall Pølsebane Mye vind1.4754
Distanseseilas ett tall (OSN 8-16kn)1.4365
Distanseseilas ett tall (APH 6-20kn)1.5724
Enkeltall Motvind1.4368
Enkeltall Medvind1.5500
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Coastal/Long Distance417.71.4365
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind417.61.4368
Predominantly Downwind387.11.5500
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore388.01.5464
Cape Doctor Coastal311.91.9235
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2224
Triple Number Coastal/Long Distance Medium1.5688
Triple Number Coastal/Long Distance High1.8435
Triple Number Windward/Leeward Low0.9411
Triple Number Windward/Leeward Medium1.2431
Triple Number Windward/Leeward High1.4754
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2224
Triple Number Coastal/Long Distance Medium1.5688
Triple Number Coastal/Long Distance High1.8435
Triple Number Windward/Leeward Low0.9411
Triple Number Windward/Leeward Medium1.2431
Triple Number Windward/Leeward High1.4754
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Predominantly Upwind417.61.4368
Predominantly Downwind387.11.5500
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance417.71.4365
Triple Number Coastal/Long Distance Low490.81.2224
Triple Number Coastal/Long Distance Medium382.51.5688
Triple Number Coastal/Long Distance High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance707.2536.3454.5400.8364.4332.8284.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low490.81.2224
Triple Number All Purpose Medium382.51.5688
Triple Number All Purpose High325.51.8435
Triple Number Windward/Leeward Low637.60.9411
Triple Number Windward/Leeward Medium482.71.2431
Triple Number Windward/Leeward High406.71.4754
Predominantly Upwind417.61.4368
Predominantly Downwind387.11.5500
Predominantly Upwind Low539.91.1113
Predominantly Upwind Medium436.01.3763
Predominantly Upwind High401.51.4944
Predominantly Downwind Low548.41.0942
Predominantly Downwind Medium389.11.5421
Predominantly Downwind High296.22.0257
Chicago-Mac Upwind1.4101
Chicago-Mac All Purpose1.4617
Chicago-Mac Downwind1.5155
Bayview-Mac Cove Island1.3694
Bayview-Mac Shore1.3857
Harvest Moon Regatta313.81.9123
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy394.81.5199
San Francisco Bay Medium470.21.2761
Predominantly Reaching357.01.6805
Predominantly Reaching Low445.01.3484
Predominantly Reaching Medium357.41.6786
Predominantly Reaching High294.32.0390
Windward/Leeward 60-40 Low636.90.9420
Windward/Leeward 60-40 Medium497.11.2070
Windward/Leeward 60-40 High435.91.3765
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low695.10.8632
5-Band Low / Medium586.21.0235
5-Band Medium474.31.2650
5-Band Medium / High417.01.4388
5-Band High383.21.5657
ORC Ref  04560002TSNIssued on 28/11/2023Valid until 27/02/2024
VPP ver: 2023 1.03 | © 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. Beam4.414Draft3.605Displacement7,166Wetted area41.17IMS L15.498LSM015.172Acc. length14.345Sink (kg/mm) 32.78
VCGD-1.163VCGM-1.266RM Rated (kg·m) 414.9Limit of positive stability(°) 141.5Stability Index140.4
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 IdISPTPS315.9253.440221.0459.200122.9409.200
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date26/11/2023MeasurerComment
SFFP0.597FFM1.094FF1.097LCFcl8.833SG1.0210
SAFP15.186FAM1.030FA1.031LCFsh9.098HBI1.274
W1139.2W2139.2W3139.2W4139.2
PD1497.6PD2497.6PD3497.6PD4497.6
WD19.045PLM9000.00GSA1.0RSA1.0RM419.6
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1CL fuel tankFuel42428.15-0.15Total deductible358.15-0.15
Total deductible
ORC Ref  04560002TSNIssued on 28/11/2023Valid until 27/02/2024
VPP ver: 2023 1.03 | © 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 69.6508/12/2022Q174983SS-30.050.751.472.854.215.4819.40NoInner 54.6020/11/2023GS-20.080.601.142.143.023.8215.11YesInner 30.9220/11/2023
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  04560002TSNIssued on 28/11/2023Valid until 27/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org