Club
Certificate
Double Handed
2022

Boat

KENT RACING

USA 34

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 Angles45.0°42.0°39.0°37.8°37.2°37.0°37.3°
Beat VMG4.315.095.545.755.896.026.05
52°6.727.607.948.108.208.358.47
60°7.217.918.188.398.558.678.91
75°7.638.258.658.959.209.419.76
90°7.878.429.019.459.7710.0610.48
110°7.498.278.939.5310.2110.8911.78
120°6.848.038.699.5510.1910.7712.33
135°6.007.558.419.3510.4011.2013.27
150°5.046.427.588.379.1510.2512.80
Run VMG4.365.566.567.277.938.8711.08
Gybe Angles142.4°144.2°149.6°152.1°148.7°146.0°146.0°

APH: 462.3

CDL: 11.633

GPH: 514.8

CertNo: 34

BOAT
ClassClass 40DesignerOwen/ClarkeBuilderSail VenturesAge date06/2007Series date06/2007Offset fileExpress40_DV.offData fileKENT RACING Express 40 USA 34
HULL
Length Overall12.158 mMaximum Beam4.150 mDraft2.986 mDisplacement5,253 kgDLR3.1486IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail71.5974.30Headsail Luffed41.5641.56Headsail Flying97.2397.23SymmetricAsymmetric152.05152.05 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail16.91Storm Jib11.72Heavy Weather Jib31.62
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment193.1 kg·mStability 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.
ORC Ref  045600023RFIssued on 27/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2022

Boat

KENT RACING

USA 34

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 VMG834.4707.9649.3625.8611.3597.9594.7
52°535.8473.4453.5444.4438.9431.0424.8
60°499.2454.9439.9429.2421.0415.5403.8
75°471.7436.1416.1402.4391.4382.7368.9
90°457.5427.6399.5380.8368.6357.7343.4
110°480.4435.5403.3377.6352.7330.7305.7
120°526.3448.3414.2377.0353.3334.3292.1
135°599.8476.9428.1384.9346.3321.6271.3
150°714.3560.7475.2430.3393.3351.4281.3
Run VMG824.8647.5548.8495.4454.1405.7324.8
Selected Courses
Windward / Leeward829.6677.7599.0560.6532.7501.8459.8
All purpose623.4528.5480.4452.5431.2411.4381.8
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward576.91.0400
All purpose462.31.2978
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.9088
Downwind "popa"1.1348
70% up, 30% down "Ilhabela"0.9666
30% up, 70% down "Ilhabela-inverso"1.0560
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Predominantly Upwind506.11.1855
Predominantly Downwind462.61.2970
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low576.01.0417
Triple Number All Purpose Medium462.81.2965
Triple Number All Purpose High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Predominantly Upwind506.11.1855
Predominantly Downwind462.61.2970
Predominantly Upwind Low643.30.9327
Predominantly Upwind Medium530.01.1321
Predominantly Upwind High496.71.2080
Predominantly Downwind Low636.30.9429
Predominantly Downwind Medium461.61.2998
Predominantly Downwind High365.41.6418
Chicago-Mac Upwind1.1663
Chicago-Mac All Purpose1.2164
Chicago-Mac Downwind1.2727
Bayview-Mac Cove Island1.1433
Bayview-Mac Shore1.1481
Victoria-Maui1.3927
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance506.1
Triple Number Coastal/Long Distance Low576.0
Triple Number Coastal/Long Distance Medium462.8
Triple Number Coastal/Long Distance High405.2
Triple Number Windward/Leeward Low753.7
Triple Number Windward/Leeward Medium576.2
Triple Number Windward/Leeward High493.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0417
Triple Number Coastal/Long Distance Medium1.2965
Triple Number Coastal/Long Distance High1.4807
Triple Number Windward/Leeward Low0.7961
Triple Number Windward/Leeward Medium1.0413
Triple Number Windward/Leeward High1.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low576.0
Triple Number Coastal/Long Distance Medium462.8
Triple Number Coastal/Long Distance High405.2
Triple Number Windward/Leeward Low753.7
Triple Number Windward/Leeward Medium576.2
Triple Number Windward/Leeward High493.7
Predominantly Upwind506.1
Predominantly Downwind462.6
Predominantly Reaching441.2
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0417
Triple Number Coastal/Long Distance Medium1.2965
Triple Number Coastal/Long Distance High1.4807
Triple Number Windward/Leeward Low0.7961
Triple Number Windward/Leeward Medium1.0413
Triple Number Windward/Leeward High1.2152
Coastal/Long Distance1.1855
Predominantly Upwind1.1855
Predominantly Downwind1.2970
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1855
Tretall Distanseseilas Lite vind1.0417
Tretall Distanseseilas Mellomvind1.2965
Tretall Distanseseilas Mye vind1.4807
Tretall Pølsebane Lite vind0.7961
Tretall Pølsebane Mellomvind1.0413
Tretall Pølsebane Mye vind1.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Coastal/Long Distance506.11.1855
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind506.11.1855
Predominantly Downwind462.61.2970
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore472.41.2702
Cape Doctor Coastal390.71.5359
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0417
Triple Number Coastal/Long Distance Medium1.2965
Triple Number Coastal/Long Distance High1.4807
Triple Number Windward/Leeward Low0.7961
Triple Number Windward/Leeward Medium1.0413
Triple Number Windward/Leeward High1.2152
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0417
Triple Number Coastal/Long Distance Medium1.2965
Triple Number Coastal/Long Distance High1.4807
Triple Number Windward/Leeward Low0.7961
Triple Number Windward/Leeward Medium1.0413
Triple Number Windward/Leeward High1.2152
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Predominantly Upwind506.11.1855
Predominantly Downwind462.61.2970
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1855
Triple Number Coastal/Long Distance Low576.01.0417
Triple Number Coastal/Long Distance Medium462.81.2965
Triple Number Coastal/Long Distance High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance829.1636.7541.1485.6450.2416.5362.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low576.01.0417
Triple Number All Purpose Medium462.81.2965
Triple Number All Purpose High405.21.4807
Triple Number Windward/Leeward Low753.70.7961
Triple Number Windward/Leeward Medium576.21.0413
Triple Number Windward/Leeward High493.71.2152
Predominantly Upwind506.11.1855
Predominantly Downwind462.61.2970
Predominantly Upwind Low643.30.9327
Predominantly Upwind Medium530.01.1321
Predominantly Upwind High496.71.2080
Predominantly Downwind Low636.30.9429
Predominantly Downwind Medium461.61.2998
Predominantly Downwind High365.41.6418
Chicago-Mac Upwind1.1663
Chicago-Mac All Purpose1.2164
Chicago-Mac Downwind1.2727
Bayview-Mac Cove Island1.1433
Bayview-Mac Shore1.1481
Harvest Moon Regatta404.11.4847
Victoria-Maui1.3927
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low817.90.7336
5-Band Low / Medium694.40.8640
5-Band Medium567.11.0580
5-Band Medium / High505.01.1881
5-Band High467.01.2847
ORC Ref  045600023RFIssued on 27/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2022

Boat

KENT RACING

USA 34

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassClass 40Measurement25/04/2022HINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.158Max. Beam4.150Draft2.986Displacement5,253Wetted area31.27IMS L11.880LSM011.859Acc. length12.158Sink (kg/mm) 24.77
VCGD0.052VCGM0.068RM Measured (kg·m) 193.1RM Default (kg·m) 169.4Limit of positive stability(°) N/AStability IndexN/ABLR index0.9880
Water ballast weight750Water ballast LCG10.20Water ballast VCG0.78Water ballast TCG1.80
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.115PIPA0.0036
EDL3.650ST10.042ST20.180
ST30.180ST40.112ST50.250
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2
P16.600IG15.240ISP17.230MDT10.130MDL10.230MDT20.125MDL20.180TL2.400MW0.235GO0.255
E5.820J4.780BAS0.380FSDSFJ0.220SPLWPLTPS6.863BD0.180MWT168.00MCG6.285
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date25/04/2022MeasurerComment
SFFP1.077FFMFF1.312LCFcl7.071SG1.0270
SAFP12.059FAMFA0.960LCFsh7.370HBI1.185
W1121.1W2121.1W3121.1W4121.1LCFD7.662
PD1271.3PD2273.5PD3279.5PD4271.9
WD5.548PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGAMovable75010.200.781.80Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAPVC, centerlineFuel75468.940.00Total deductible398.940.00
Total deductible
ORC Ref  045600023RFIssued on 27/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2022

Boat

KENT RACING

USA 34

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentMain2.152.523.514.605.3171.5917/05/2021Doyle NZLUnknown
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentLRH0.031.442.825.477.9510.1818.30NoYes097.2317/05/2021Doyle NZLUnknownA50.071.312.755.357.739.6916.60NoYes085.2108/02/2022One Sails NA/Long IslandUnknownSolent0.060.661.272.573.935.2915.90YesNo 41.5617/05/2021Doyle NZLUnknownStaysail0.070.500.961.932.994.1511.85NoInner 23.7417/05/2021Doyle NZLUnknown
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentR219.0017.0618.0310.0510.4097%152.0508/12/2021NorthUnknown
ORC Ref  045600023RFIssued on 27/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org