International
Certificate
2023

Boat

VESPER

USA 52007

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°39.9°38.2°37.0°36.3°35.8°35.7°
Beat VMG5.246.216.686.967.157.287.40
52°8.009.089.549.8910.1710.3910.65
60°8.459.439.9810.3910.7110.9611.31
75°8.769.7910.5911.1311.5711.9312.52
90°8.649.6910.7111.6012.2812.8713.80
110°7.979.4210.3511.0512.0813.3315.29
120°7.729.3010.4811.4612.2813.1015.03
135°6.928.739.9011.1612.6014.0316.12
150°5.767.408.719.7410.8812.2715.46
Run VMG4.996.417.548.439.4210.6313.39
Gybe Angles140.6°142.6°147.5°149.6°145.6°144.7°145.6°

APH: 385.6

CDL: 15.958

GPH: 432.4

CertNo: US7350

BOAT
ClassTP 52DesignerBOTIN/CARKEEKBuilderLongitude CeroAge date06/2008Series date06/2008Offset fileTP52-USA52007.offData fileUS6034
HULL
Length Overall15.840 mMaximum Beam4.460 mDraft3.664 mDisplacement7,152 kgDLR2.2469IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight1,280 kgMinimum weight960 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail102.80105.73Headsail Luffed65.8065.80Headsail FlyingSymmetricAsymmetric264.88264.88 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail26.71Storm Jib20.14Heavy Weather Jib54.37
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment433.3 kg·mStability Index145.8
COMMENTS
chris.williams@northsails.com
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.

International
Certificate
2023

Boat

VESPER

USA 52007

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 VMG686.6579.8539.2517.0503.2494.4486.7
52°450.1396.6377.2363.9354.0346.7337.9
60°426.1381.6360.8346.5336.2328.4318.4
75°410.9367.7339.9323.4311.2301.6287.6
90°416.8371.5336.1310.3293.1279.7260.9
110°451.8382.4347.9325.8298.0270.0235.4
120°466.1387.2343.5314.2293.2274.8239.6
135°520.2412.4363.5322.4285.7256.6223.4
150°624.7486.3413.5369.7331.0293.3232.9
Run VMG721.3561.6477.5426.9382.2338.7268.9
Selected Courses
Windward / Leeward704.0570.7508.3471.9442.7416.6377.8
All purpose538.0448.5404.9377.2354.5334.9307.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward484.61.2382
All purpose385.61.5559
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.1033
Downwind "popa"1.3220
70% up, 30% down "Ilhabela"1.1609
30% up, 70% down "Ilhabela-inverso"1.2478
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Predominantly Upwind419.31.4309
Predominantly Downwind389.31.5413
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low493.21.2165
Triple Number All Purpose Medium386.71.5516
Triple Number All Purpose High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Predominantly Upwind419.31.4309
Predominantly Downwind389.31.5413
Predominantly Upwind Low539.61.1119
Predominantly Upwind Medium437.61.3711
Predominantly Upwind High403.51.4868
Predominantly Downwind Low549.01.0929
Predominantly Downwind Medium391.81.5316
Predominantly Downwind High299.42.0037
Chicago-Mac Upwind1.4046
Chicago-Mac All Purpose1.4546
Chicago-Mac Downwind1.5067
Bayview-Mac Cove Island1.3595
Bayview-Mac Shore1.3763
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching359.01.6711
Predominantly Reaching Low445.71.3461
Predominantly Reaching Medium359.51.6691
Predominantly Reaching High297.42.0173
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low693.70.8649
5-Band Low / Medium587.01.0222
5-Band Medium476.61.2588
5-Band Medium / High419.11.4315
5-Band High384.51.5604
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance421.7
Triple Number Coastal/Long Distance Low493.2
Triple Number Coastal/Long Distance Medium386.7
Triple Number Coastal/Long Distance High329.4
Triple Number Windward/Leeward Low637.3
Triple Number Windward/Leeward Medium485.0
Triple Number Windward/Leeward High408.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2165
Triple Number Coastal/Long Distance Medium1.5516
Triple Number Coastal/Long Distance High1.8216
Triple Number Windward/Leeward Low0.9414
Triple Number Windward/Leeward Medium1.2372
Triple Number Windward/Leeward High1.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low493.2
Triple Number Coastal/Long Distance Medium386.7
Triple Number Coastal/Long Distance High329.4
Triple Number Windward/Leeward Low637.3
Triple Number Windward/Leeward Medium485.0
Triple Number Windward/Leeward High408.6
Predominantly Upwind419.3
Predominantly Downwind389.3
Predominantly Reaching368.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2165
Triple Number Coastal/Long Distance Medium1.5516
Triple Number Coastal/Long Distance High1.8216
Triple Number Windward/Leeward Low0.9414
Triple Number Windward/Leeward Medium1.2372
Triple Number Windward/Leeward High1.4686
Coastal/Long Distance1.4230
Predominantly Upwind1.4309
Predominantly Downwind1.5413
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.2165
Tretall Distanseseilas Mellomvind1.5516
Tretall Distanseseilas Mye vind1.8216
Tretall Pølsebane Lite vind0.9414
Tretall Pølsebane Mellomvind1.2372
Tretall Pølsebane Mye vind1.4686
Distanseseilas ett tall (OSN 8-16kn)1.4230
Distanseseilas ett tall (APH 6-20kn)1.5559
Enkeltall Motvind1.4309
Enkeltall Medvind1.5413
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Coastal/Long Distance421.71.4230
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind419.31.4309
Predominantly Downwind389.31.5413
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore389.41.5407
Cape Doctor Coastal315.51.9020
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2165
Triple Number Coastal/Long Distance Medium1.5516
Triple Number Coastal/Long Distance High1.8216
Triple Number Windward/Leeward Low0.9414
Triple Number Windward/Leeward Medium1.2372
Triple Number Windward/Leeward High1.4686
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.2165
Triple Number Coastal/Long Distance Medium1.5516
Triple Number Coastal/Long Distance High1.8216
Triple Number Windward/Leeward Low0.9414
Triple Number Windward/Leeward Medium1.2372
Triple Number Windward/Leeward High1.4686
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Predominantly Upwind419.31.4309
Predominantly Downwind389.31.5413
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance421.71.4230
Triple Number Coastal/Long Distance Low493.21.2165
Triple Number Coastal/Long Distance Medium386.71.5516
Triple Number Coastal/Long Distance High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance705.7537.9457.0404.7370.0339.3290.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low493.21.2165
Triple Number All Purpose Medium386.71.5516
Triple Number All Purpose High329.41.8216
Triple Number Windward/Leeward Low637.30.9414
Triple Number Windward/Leeward Medium485.01.2372
Triple Number Windward/Leeward High408.61.4686
Predominantly Upwind419.31.4309
Predominantly Downwind389.31.5413
Predominantly Upwind Low539.61.1119
Predominantly Upwind Medium437.61.3711
Predominantly Upwind High403.51.4868
Predominantly Downwind Low549.01.0929
Predominantly Downwind Medium391.81.5316
Predominantly Downwind High299.42.0037
Chicago-Mac Upwind1.4046
Chicago-Mac All Purpose1.4546
Chicago-Mac Downwind1.5067
Bayview-Mac Cove Island1.3595
Bayview-Mac Shore1.3763
Harvest Moon Regatta320.41.8727
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy397.31.5102
San Francisco Bay Medium472.51.2700
Predominantly Reaching359.01.6711
Predominantly Reaching Low445.71.3461
Predominantly Reaching Medium359.51.6691
Predominantly Reaching High297.42.0173
Windward/Leeward 60-40 Low636.50.9427
Windward/Leeward 60-40 Medium499.01.2024
Windward/Leeward 60-40 High437.51.3713
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low693.70.8649
5-Band Low / Medium587.01.0222
5-Band Medium476.61.2588
5-Band Medium / High419.11.4315
5-Band High384.51.5604

International
Certificate
2023

Boat

VESPER

USA 52007

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTP 52Measurement10/01/2023HINPlan reviewHull constructionCarbonCarbon RudderYesLight stanchionsYesTrim tabNo
LOA15.840Max. Beam4.460Draft3.664Displacement7,152Wetted area40.85IMS L15.229LSM014.708Acc. length14.495Sink (kg/mm) 31.98
VCGD-1.447VCGM-1.452RM Rated (kg·m) 433.3Limit of positive stability(°) 147.1Stability Index145.8
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.405PBW0.112PIPA0.0038
EDL0.880ST10.050ST20.180
ST30.180ST40.112ST50.265
RIG
Forestay tensionAft & ForwardInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/Checkstays2Spreaders3Rotating mastNo
P20.990IG19.930ISP23.040MDT10.138MDL10.304MDT20.101MDL20.152TL2.050MW0.301GO0.343
E7.270J6.160BAS2.130FSD0.036SFJ0.401SPLWPLTPS9.000BD0.420MWT245.20MCG7.136
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date10/01/2023MeasurerComment
SFFP0.855FFM1.480FF1.480LCFcl8.677SG1.0260
SAFP15.833FAM1.145FA1.145LCFsh8.931HBI1.270
W1140.8W2140.8W3140.8W4140.8
PD1484.1PD2484.1PD3484.1PD4484.1
WD18.955PLM9000.00GSA1.0RSA1.0RM434.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel Rigid Poly CenterlineFuel76129.95-0.25Total deductible109.95-0.25
OTHER ITEMSIdKindDescriptionWeightLCGVCG2BatteryHouse battery 1, TCG=0.30 Port158.10-0.301BatteryStarter battery, TCG=0.30 Port179.10-0.303BatteryHouse battery 2, TCG=0.30 Stbd158.10-0.30Total deductible0

International
Certificate
2023

Boat

VESPER

USA 52007

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-81.922.643.665.136.28102.8002/05/2023OUS 149976-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-50.090.981.743.164.626.3020.67YesNo 65.8002/05/2023OUS149976-002 recut
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-525.9021.4023.6513.4113.5699%264.8803/05/2023OUS149976-005A1.5-725.5322.0623.8013.1214.1893%264.3603/05/2023