Club
Certificate
2021

Boat

LEADING EDGE

USA 74

 
Offshore
Racing
Congress

Certificate number: US7462
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.3°42.0°40.5°38.8°38.3°37.9°37.5°
Beat VMG3.654.455.095.455.605.665.78
52°5.626.727.417.717.847.917.99
60°5.987.047.617.898.068.158.22
75°6.297.287.768.088.368.588.78
90°6.227.407.868.118.458.809.38
110°6.347.538.108.558.879.149.74
120°6.207.438.038.559.129.5810.31
135°5.556.907.728.218.759.3510.93
150°4.695.866.937.658.018.389.39
Run VMG4.065.086.006.636.977.478.26
Gybe Angles143.5°146.5°148.5°151.0°152.0°176.0°177.0°

GPH = 573.3

CDL = 10.614

BOAT
ClassJ/122𝕚DesignerAlan JohnstoneBuilderJ/BoatsAge Date01/2009Series Date10/2006Offset FileJ122 VER.OFF
HULL
Length Overall12.190 mMaximum Beam3.638 mDraft2.213 mDisplacement6,847 kgDLR5.4225IMS DivisionCruiser/RacerDynamic Allowance0.088%Age Allowance0.487%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.400m
CREW
Maximum weight896 kg𝕚Minimum weight672 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail49.4950.35Headsail Luffed41.1541.15Headsail FlyingSymmetricAsymmetric157.02𝕚157.02𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails1 Spinnakers4
STABILITY
Righting Moment209.1 kg·mStability IndexN/A
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.

Club
Certificate
2021

Boat

LEADING EDGE

USA 74

 
Offshore
Racing
Congress

Certificate number: US7462
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG985.7808.7707.1660.2643.1635.5622.9
52°640.5535.8486.0466.9459.3455.4450.6
60°602.0511.3473.3456.0446.6441.8437.9
75°572.6494.8464.0445.6430.9419.7409.8
90°578.9486.5458.2443.8426.1409.0383.8
110°567.6478.1444.7420.9405.7393.7369.5
120°580.4484.3448.3420.9394.9376.0349.3
135°648.5521.7466.6438.6411.5384.9329.3
150°768.3614.1519.7470.6449.5429.4383.3
Run VMG887.2709.1600.1542.9516.8481.7435.8
Selected Courses
Windward / Leeward936.4758.9653.6601.6580.0558.6529.4
All purpose718.1591.1526.3493.5475.5460.5435.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward632.20.9490
All purpose511.31.1736
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8295
Downwind "popa"1.0063
70% up, 30% down "Ilhabela"0.8757
30% up, 70% down "Ilhabela-inverso"0.9458
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Predominantly Upwind554.91.0812
Predominantly Downwind517.21.1600
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low654.60.9166
Triple Number All Purpose Medium508.01.1810
Triple Number All Purpose High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Predominantly Upwind554.91.0812
Predominantly Downwind517.21.1600
Predominantly Upwind Low740.60.8102
Predominantly Upwind Medium573.11.0469
Predominantly Upwind High531.11.1297
Predominantly Downwind Low706.00.8499
Predominantly Downwind Medium513.91.1676
Predominantly Downwind High434.81.3798
Chicago-Mac Upwind1.0626
Chicago-Mac All Purpose1.0983
Chicago-Mac Downwind1.1419
Bayview-Mac Cove Island1.0198
Bayview-Mac Shore1.0264
Victoria-Maui1.2120
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance557.1
Triple Number Coastal/Long Distance Low654.6
Triple Number Coastal/Long Distance Medium508.0
Triple Number Coastal/Long Distance High455.0
Triple Number Windward/Leeward Low847.7
Triple Number Windward/Leeward Medium626.6
Triple Number Windward/Leeward High552.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9166
Triple Number Coastal/Long Distance Medium1.1810
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7078
Triple Number Windward/Leeward Medium0.9575
Triple Number Windward/Leeward High1.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low654.6
Triple Number Coastal/Long Distance Medium508.0
Triple Number Coastal/Long Distance High455.0
Triple Number Windward/Leeward Low847.7
Triple Number Windward/Leeward Medium626.6
Triple Number Windward/Leeward High552.9
Predominantly Upwind554.9
Predominantly Downwind517.2
Predominantly Reaching495.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9166
Triple Number Coastal/Long Distance Medium1.1810
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7078
Triple Number Windward/Leeward Medium0.9575
Triple Number Windward/Leeward High1.0851
Coastal/Long Distance1.0769
Predominantly Upwind1.0812
Predominantly Downwind1.1600
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0769
Tretall Distanseseilas Lite vind0.9166
Tretall Distanseseilas Mellomvind1.1810
Tretall Distanseseilas Mye vind1.3188
Tretall Pølsebane Lite vind0.7078
Tretall Pølsebane Mellomvind0.9575
Tretall Pølsebane Mye vind1.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind554.91.0812
Predominantly Downwind517.21.1600
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore538.11.1150
Cape Doctor Coastal443.11.3539
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9166
Triple Number Coastal/Long Distance Medium1.1810
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7078
Triple Number Windward/Leeward Medium0.9575
Triple Number Windward/Leeward High1.0851
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9166
Triple Number Coastal/Long Distance Medium1.1810
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7078
Triple Number Windward/Leeward Medium0.9575
Triple Number Windward/Leeward High1.0851
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Predominantly Upwind554.91.0812
Predominantly Downwind517.21.1600
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance557.11.0769
Triple Number Coastal/Long Distance Low654.60.9166
Triple Number Coastal/Long Distance Medium508.01.1810
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance931.5711.9591.0526.0493.3464.6417.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low654.60.9166
Triple Number All Purpose Medium508.01.1810
Triple Number All Purpose High455.01.3188
Triple Number Windward/Leeward Low847.70.7078
Triple Number Windward/Leeward Medium626.60.9575
Triple Number Windward/Leeward High552.91.0851
Predominantly Upwind554.91.0812
Predominantly Downwind517.21.1600
Predominantly Upwind Low740.60.8102
Predominantly Upwind Medium573.11.0469
Predominantly Upwind High531.11.1297
Predominantly Downwind Low706.00.8499
Predominantly Downwind Medium513.91.1676
Predominantly Downwind High434.81.3798
Chicago-Mac Upwind1.0626
Chicago-Mac All Purpose1.0983
Chicago-Mac Downwind1.1419
Bayview-Mac Cove Island1.0198
Bayview-Mac Shore1.0264
Harvest Moon Regatta450.81.3310
Victoria-Maui1.2120

Club
Certificate
2021

Boat

LEADING EDGE

USA 74

 
Offshore
Racing
Congress

Certificate number: US7462
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassJ/122𝕚Measurement11/07/2015𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA12.190𝕚Max. Beam3.638𝕚Draft2.213𝕚Displacement6,847𝕚Wetted area30.16𝕚IMS L11.009𝕚LSM010.808𝕚Acc. length11.823𝕚Sink (kg/mm)22.66𝕚
VCGD-0.300𝕚VCGM-0.311𝕚RM Measured (kg·m)209.1𝕚RM Default (kg·m)179.5𝕚Limit of positive stability(°)N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.400𝕚EDL2.250𝕚ST30.180𝕚Twin screwNo𝕚PBW0.115𝕚ST10.065𝕚ST40.110𝕚PIPA0.0039𝕚ST20.180𝕚ST50.295𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerYes𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P15.773𝕚IG16.434𝕚ISP17.293𝕚MDT10.128𝕚MDL10.251𝕚MDT20.102𝕚MDL20.146𝕚TL1.372𝕚MW𝕚GO0.241𝕚
E5.360𝕚J4.582𝕚BAS1.728𝕚FSD0.035𝕚SFJ0.305𝕚SPL0.000𝕚TPS6.462𝕚BD0.221𝕚MWT176.50𝕚MCG5.829𝕚
FLOTATION AND STABILITY
Inclining TestVCG entered directly𝕚SFFP0.300𝕚SAFP11.850𝕚Flotation Date11/07/2015𝕚FFM1.386𝕚FAM0.982𝕚Measurer𝕚FF1.394𝕚FA0.988𝕚Comment𝕚LCFcl6.742𝕚LCFsh6.965𝕚SG1.0020𝕚HBI1.170𝕚

Club
Certificate
2021

Boat

LEADING EDGE

USA 74

 
Offshore
Racing
Congress

Certificate number: US7462
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialComment3DL Main𝕚0.18𝕚1.08𝕚1.98𝕚3.40𝕚4.40𝕚49.49𝕚𝕚08/09/2021𝕚North𝕚Unknown𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialCommentLt-med jib𝕚0.08𝕚0.68𝕚1.32𝕚2.55𝕚3.82𝕚5.02𝕚16.12𝕚Yes𝕚No𝕚 𝕚41.15𝕚𝕚08/09/2021𝕚North𝕚Unknown𝕚𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialCommentA2𝕚19.90𝕚16.63𝕚18.27𝕚10.30𝕚10.38𝕚99%𝕚157.02𝕚𝕚08/09/2021𝕚North𝕚Unknown𝕚𝕚