Club
Certificate
2023

Boat

WB 8

ITA-5021

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.5°39.0°38.2°37.6°37.6°37.6°
Beat VMG4.275.175.705.966.106.196.27
52°6.467.638.238.498.648.738.82
60°6.787.918.488.758.898.999.09
75°7.008.108.668.999.219.369.56
90°7.208.338.889.219.439.6310.05
110°6.928.168.859.329.7410.1410.81
120°6.567.978.789.319.7910.1611.06
135°5.897.318.348.989.5210.0811.38
150°4.946.267.398.278.829.2210.04
Run VMG4.285.426.407.167.647.998.99
Gybe Angles142.4°145.1°148.7°150.3°150.5°165.8°175.7°

APH: 465.2

CDL: 13.073

GPH: 520.2

CertNo: 23/2

BOAT
ClassXP-50DesignerJeppesenBuilderX-YachtsAge date10/2016Series date10/2012Offset fileXp50ver.offData fileI5021
HULL
Length Overall15.005 mMaximum Beam4.404 mDraft3.337 mDisplacement13,925 kgDLR5.2689IMS DivisionCruiser/RacerDynamic Allowance0.080%Age Allowance0.357%
PROPELLER
InstallationStrutTypeFeathering 2 bladesDiameter0.500m
CREW
Maximum weight800 kgMinimum weight600 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail82.2083.42Headsail Luffed65.1665.16Headsail FlyingSymmetricAsymmetric209.66209.66 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail25.12Storm Jib22.35Heavy Weather Jib60.33
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
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.

Club
Certificate
2023

Boat

WB 8

ITA-5021

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG842.2696.2631.2604.1589.7581.2574.5
52°557.5472.1437.5424.0416.9412.6408.1
60°530.9455.2424.6411.5405.0400.7395.8
75°514.2444.7415.6400.5390.7384.5376.5
90°500.3432.2405.2391.0382.0373.7358.3
110°520.2441.1406.9386.5369.5355.0333.1
120°548.4451.5409.9386.6367.6354.3325.4
135°611.7492.4431.5400.8378.2357.2316.2
150°728.9575.5487.2435.4408.1390.3358.5
Run VMG841.6664.5562.6502.5470.9450.3400.3
Selected Courses
Windward / Leeward841.9680.4596.9553.3530.3515.7487.4
All purpose645.2532.2478.0450.3433.8421.8401.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward577.51.0389
All purpose465.21.2897
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9294
Downwind "popa"1.0789
70% up, 30% down "Ilhabela"0.9697
30% up, 70% down "Ilhabela-inverso"1.0292
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Predominantly Upwind500.51.1988
Predominantly Downwind474.31.2651
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low588.71.0192
Triple Number All Purpose Medium462.21.2980
Triple Number All Purpose High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Predominantly Upwind500.51.1988
Predominantly Downwind474.31.2651
Predominantly Upwind Low650.50.9224
Predominantly Upwind Medium516.71.1613
Predominantly Upwind High486.11.2344
Predominantly Downwind Low650.50.9224
Predominantly Downwind Medium472.91.2689
Predominantly Downwind High402.21.4916
Chicago-Mac Upwind1.1785
Chicago-Mac All Purpose1.2088
Chicago-Mac Downwind1.2437
Bayview-Mac Cove Island1.1313
Bayview-Mac Shore1.1428
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching439.11.3665
Predominantly Reaching Low530.81.1303
Predominantly Reaching Medium434.71.3803
Predominantly Reaching High386.91.5507
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low829.50.7234
5-Band Low / Medium698.00.8596
5-Band Medium564.21.0635
5-Band Medium / High516.51.1616
5-Band High492.31.2188
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance507.1
Triple Number Coastal/Long Distance Low588.7
Triple Number Coastal/Long Distance Medium462.2
Triple Number Coastal/Long Distance High417.4
Triple Number Windward/Leeward Low761.1
Triple Number Windward/Leeward Medium572.7
Triple Number Windward/Leeward High508.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0192
Triple Number Coastal/Long Distance Medium1.2980
Triple Number Coastal/Long Distance High1.4376
Triple Number Windward/Leeward Low0.7883
Triple Number Windward/Leeward Medium1.0477
Triple Number Windward/Leeward High1.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low588.7
Triple Number Coastal/Long Distance Medium462.2
Triple Number Coastal/Long Distance High417.4
Triple Number Windward/Leeward Low761.1
Triple Number Windward/Leeward Medium572.7
Triple Number Windward/Leeward High508.8
Predominantly Upwind500.5
Predominantly Downwind474.3
Predominantly Reaching451.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0192
Triple Number Coastal/Long Distance Medium1.2980
Triple Number Coastal/Long Distance High1.4376
Triple Number Windward/Leeward Low0.7883
Triple Number Windward/Leeward Medium1.0477
Triple Number Windward/Leeward High1.1793
Coastal/Long Distance1.1832
Predominantly Upwind1.1988
Predominantly Downwind1.2651
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0192
Tretall Distanseseilas Mellomvind1.2980
Tretall Distanseseilas Mye vind1.4376
Tretall Pølsebane Lite vind0.7883
Tretall Pølsebane Mellomvind1.0477
Tretall Pølsebane Mye vind1.1793
Distanseseilas ett tall (OSN 8-16kn)1.1832
Distanseseilas ett tall (APH 6-20kn)1.2897
Enkeltall Motvind1.1988
Enkeltall Medvind1.2651
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Coastal/Long Distance507.11.1832
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind500.51.1988
Predominantly Downwind474.31.2651
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore495.91.2099
Cape Doctor Coastal407.91.4710
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0192
Triple Number Coastal/Long Distance Medium1.2980
Triple Number Coastal/Long Distance High1.4376
Triple Number Windward/Leeward Low0.7883
Triple Number Windward/Leeward Medium1.0477
Triple Number Windward/Leeward High1.1793
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0192
Triple Number Coastal/Long Distance Medium1.2980
Triple Number Coastal/Long Distance High1.4376
Triple Number Windward/Leeward Low0.7883
Triple Number Windward/Leeward Medium1.0477
Triple Number Windward/Leeward High1.1793
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Predominantly Upwind500.51.1988
Predominantly Downwind474.31.2651
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance507.11.1832
Triple Number Coastal/Long Distance Low588.71.0192
Triple Number Coastal/Long Distance Medium462.21.2980
Triple Number Coastal/Long Distance High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance841.9640.0538.2480.7450.5426.9385.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low588.71.0192
Triple Number All Purpose Medium462.21.2980
Triple Number All Purpose High417.41.4376
Triple Number Windward/Leeward Low761.10.7883
Triple Number Windward/Leeward Medium572.71.0477
Triple Number Windward/Leeward High508.81.1793
Predominantly Upwind500.51.1988
Predominantly Downwind474.31.2651
Predominantly Upwind Low650.50.9224
Predominantly Upwind Medium516.71.1613
Predominantly Upwind High486.11.2344
Predominantly Downwind Low650.50.9224
Predominantly Downwind Medium472.91.2689
Predominantly Downwind High402.21.4916
Chicago-Mac Upwind1.1785
Chicago-Mac All Purpose1.2088
Chicago-Mac Downwind1.2437
Bayview-Mac Cove Island1.1313
Bayview-Mac Shore1.1428
Harvest Moon Regatta404.91.4817
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy493.41.2161
San Francisco Bay Medium562.91.0660
Predominantly Reaching439.11.3665
Predominantly Reaching Low530.81.1303
Predominantly Reaching Medium434.71.3803
Predominantly Reaching High386.91.5507
Windward/Leeward 60-40 Low762.70.7866
Windward/Leeward 60-40 Medium587.91.0206
Windward/Leeward 60-40 High533.31.1251
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low829.50.7234
5-Band Low / Medium698.00.8596
5-Band Medium564.21.0635
5-Band Medium / High516.51.1616
5-Band High492.31.2188

Club
Certificate
2023

Boat

WB 8

ITA-5021

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassXP-50Measurement14/02/2023HINDKXYA50515A616Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA15.005Max. Beam4.404Draft3.337Displacement13,925Wetted area47.74IMS L13.928LSM013.825Acc. length14.313Sink (kg/mm) 34.07
VCGD-0.140VCGM-0.190RM Rated (kg·m) 397.8Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.500PBW0.123PIPA0.0040
EDL2.923ST10.065ST20.180
ST30.180ST40.110ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P20.650IG21.050ISP22.750MDT10.146MDL10.306MDT20.135MDL20.250TL1.550MW0.306GO0.330
E6.950J5.680BAS1.960FSD0.042SFJ0.320SPLWPLTPS6.580BD0.368MWT447.00MCG7.570
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date14/02/2023MeasurerFIV-120Comment
SFFP0.770FFMFF1.649LCFcl8.376SG1.0270
SAFP14.925FAMFA1.364LCFsh8.647HBI1.438
W1220.0W2220.0W3220.0W4220.0LCFD8.540
PD1300.1PD2293.7PD3293.7PD4296.5
WD6.700PLM9000.00GSA1.0RSA1.0RM392.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAN. 2 ST.Water56007.20BN. 1 ST.Fuel300208.70Total deductible178.70
OTHER ITEMSIdKindDescriptionWeightLCGVCGABatteryMOTORE011.400.00BBatteryBOWTHRUSTER 55 Ah4.20CBatterySERVIZIO N. 45.55DEngineYANMAR 75 HpTotal deductible0

Club
Certificate
2023

Boat

WB 8

ITA-5021

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.151.362.444.255.6582.2014/02/2023B0.151.262.334.195.6281.0514/02/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.110.931.703.224.665.9220.80YesNo 65.1614/02/2023B0.100.691.332.784.416.1620.70NoNo 60.5814/02/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA23.2521.2422.2511.3011.35100%209.6614/02/2023B22.7520.5921.676.999.2675%134.4323/02/2023