Club
Certificate
2021

Boat

SILVER SURFER

USA 7

 
Offshore
Racing
Congress

Certificate number: US7455
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.1°41.6°40.3°39.0°38.3°38.3°38.3°
Beat VMG3.564.334.945.265.375.425.50
52°5.466.517.167.447.557.617.69
60°5.796.817.357.637.797.877.94
75°6.077.037.497.838.128.358.53
90°6.117.227.617.868.228.599.15
110°6.257.367.928.398.708.999.63
120°6.127.287.868.459.039.4510.27
135°5.506.817.558.098.699.3611.22
150°4.655.826.857.497.888.299.55
Run VMG4.035.045.936.506.837.338.27
Gybe Angles144.0°147.0°149.5°151.3°150.0°176.5°142.0°

GPH = 587.5

CDL = 9.702

BOAT
ClassJ 112E𝕚DesignerAl JohnstoneBuilderJ/CompositesAge Date01/2018Series Date11/2017Offset FileJ112.off
HULL
Length Overall11.002 mMaximum Beam3.598 mDraft2.058 mDisplacement4,695 kgDLR5.1579IMS DivisionCruiser/RacerDynamic Allowance0.096%Age Allowance0.130%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.413m
CREW
Maximum weight658 kg𝕚Minimum weight494 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRated Mainsail39.3440.08Headsail Luffed32.5232.52Headsail FlyingSymmetricAsymmetric130.58𝕚130.58𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment137.2 kg·mStability IndexN/A
OWNER




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

Club
Certificate
2021

Boat

SILVER SURFER

USA 7

 
Offshore
Racing
Congress

Certificate number: US7455
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1012.7830.7728.5684.9669.8664.2654.2
52°659.6552.6502.9484.0476.7473.2468.4
60°621.7528.5490.1472.1462.0457.2453.3
75°593.3512.3480.4460.1443.2431.1422.2
90°589.7498.8473.2457.8437.7418.9393.4
110°576.1489.2454.8429.2413.8400.5373.9
120°588.3494.7457.9426.0398.7380.9350.7
135°654.8528.8476.8445.1414.3384.7321.0
150°773.8618.2525.6480.3456.8434.2377.1
Run VMG893.5713.8606.9554.0527.5490.8435.5
Selected Courses
Windward / Leeward953.1772.2667.7619.5598.6577.5544.8
All purpose732.4603.9539.8507.5488.9473.3445.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward649.00.9245
All purpose524.61.1437
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8008
Downwind "popa"0.9948
70% up, 30% down "Ilhabela"0.8505
30% up, 70% down "Ilhabela-inverso"0.9274
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Predominantly Upwind571.91.0491
Predominantly Downwind527.41.1376
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low668.20.8980
Triple Number All Purpose Medium521.61.1502
Triple Number All Purpose High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Predominantly Upwind571.91.0491
Predominantly Downwind527.41.1376
Predominantly Upwind Low758.40.7912
Predominantly Upwind Medium592.51.0127
Predominantly Upwind High552.41.0862
Predominantly Downwind Low715.50.8386
Predominantly Downwind Medium523.41.1464
Predominantly Downwind High439.71.3645
Chicago-Mac Upwind1.0314
Chicago-Mac All Purpose1.0717
Chicago-Mac Downwind1.1200
Bayview-Mac Cove Island0.9960
Bayview-Mac Shore1.0008
Victoria-Maui1.1943
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance571.1
Triple Number Coastal/Long Distance Low668.2
Triple Number Coastal/Long Distance Medium521.6
Triple Number Coastal/Long Distance High466.9
Triple Number Windward/Leeward Low862.7
Triple Number Windward/Leeward Medium643.1
Triple Number Windward/Leeward High570.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8980
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2852
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9330
Triple Number Windward/Leeward High1.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low668.2
Triple Number Coastal/Long Distance Medium521.6
Triple Number Coastal/Long Distance High466.9
Triple Number Windward/Leeward Low862.7
Triple Number Windward/Leeward Medium643.1
Triple Number Windward/Leeward High570.6
Predominantly Upwind571.9
Predominantly Downwind527.4
Predominantly Reaching506.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8980
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2852
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9330
Triple Number Windward/Leeward High1.0516
Coastal/Long Distance1.0505
Predominantly Upwind1.0491
Predominantly Downwind1.1376
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0505
Tretall Distanseseilas Lite vind0.8980
Tretall Distanseseilas Mellomvind1.1502
Tretall Distanseseilas Mye vind1.2852
Tretall Pølsebane Lite vind0.6955
Tretall Pølsebane Mellomvind0.9330
Tretall Pølsebane Mye vind1.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind571.91.0491
Predominantly Downwind527.41.1376
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore554.61.0818
Cape Doctor Coastal454.01.3216
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8980
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2852
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9330
Triple Number Windward/Leeward High1.0516
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8980
Triple Number Coastal/Long Distance Medium1.1502
Triple Number Coastal/Long Distance High1.2852
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9330
Triple Number Windward/Leeward High1.0516
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Predominantly Upwind571.91.0491
Predominantly Downwind527.41.1376
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance571.11.0505
Triple Number Coastal/Long Distance Low668.20.8980
Triple Number Coastal/Long Distance Medium521.61.1502
Triple Number Coastal/Long Distance High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance947.1724.8604.7541.1507.2477.5426.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low668.20.8980
Triple Number All Purpose Medium521.61.1502
Triple Number All Purpose High466.91.2852
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium643.10.9330
Triple Number Windward/Leeward High570.61.0516
Predominantly Upwind571.91.0491
Predominantly Downwind527.41.1376
Predominantly Upwind Low758.40.7912
Predominantly Upwind Medium592.51.0127
Predominantly Upwind High552.41.0862
Predominantly Downwind Low715.50.8386
Predominantly Downwind Medium523.41.1464
Predominantly Downwind High439.71.3645
Chicago-Mac Upwind1.0314
Chicago-Mac All Purpose1.0717
Chicago-Mac Downwind1.1200
Bayview-Mac Cove Island0.9960
Bayview-Mac Shore1.0008
Harvest Moon Regatta461.71.2996
Victoria-Maui1.1943

Club
Certificate
2021

Boat

SILVER SURFER

USA 7

 
Offshore
Racing
Congress

Certificate number: US7455
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassJ 112E𝕚Measurement𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA11.002𝕚Max. Beam3.598𝕚Draft2.058𝕚Displacement4,695𝕚Wetted area24.20𝕚IMS L9.916𝕚LSM09.691𝕚Acc. length11.002𝕚Sink (kg/mm)18.24𝕚
VCGD-0.238𝕚VCGM-0.254𝕚RM Measured (kg·m)137.2𝕚RM Default (kg·m)119.7𝕚Limit of positive stability(°)N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.413𝕚EDL2.205𝕚ST30.305𝕚Twin screwNo𝕚PBW0.108𝕚ST10.065𝕚ST40.110𝕚PIPA0.0038𝕚ST20.170𝕚ST50.310𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerYes𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P14.001𝕚IG14.564𝕚ISP15.783𝕚MDT10.121𝕚MDL10.216𝕚MDT20.120𝕚MDL20.216𝕚TL1.320𝕚MW0.216𝕚GO0.216𝕚
E4.724𝕚J4.258𝕚BAS1.756𝕚FSD0.030𝕚SFJ0.300𝕚SPL𝕚TPS6.566𝕚BD0.225𝕚MWT0.00𝕚MCG0.000𝕚
FLOTATION AND STABILITY
Inclining TestRM entered directly𝕚SFFP0.488𝕚SAFP10.805𝕚Flotation Date04/01/2022𝕚FFM1.366𝕚FAM1.039𝕚Measurer𝕚FF1.374𝕚FA1.045𝕚Comment𝕚LCFcl5.928𝕚LCFsh6.165𝕚SG1.0000𝕚HBI1.167𝕚

Club
Certificate
2021

Boat

SILVER SURFER

USA 7

 
Offshore
Racing
Congress

Certificate number: US7455
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialCommentOUS113767-001𝕚0.16𝕚0.99𝕚1.79𝕚3.06𝕚3.94𝕚39.34𝕚𝕚01/05/2016𝕚NORTH SRI LANKA𝕚𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialCommentevo428𝕚0.08𝕚0.61𝕚1.17𝕚2.21𝕚3.34𝕚4.48𝕚14.47𝕚Yes𝕚No𝕚 𝕚32.52𝕚𝕚17/12/2015𝕚NORTH SRI LANKA𝕚Unknown𝕚𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialCommentOUS113767-004𝕚17.87𝕚14.85𝕚16.36𝕚9.52𝕚9.81𝕚97%𝕚130.58𝕚𝕚12/04/2015𝕚NORTH SRI LANKA𝕚Unknown𝕚𝕚