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°40.1°39.0°38.4°38.3°38.3°
Beat VMG3.574.354.955.255.375.415.49
52°5.486.547.177.447.557.607.69
60°5.816.837.367.637.797.877.95
75°6.097.047.517.848.148.368.52
90°6.127.237.617.888.258.629.17
110°6.267.377.938.398.709.009.65
120°6.137.297.888.489.059.4710.30
135°5.516.827.568.118.729.4011.30
150°4.665.846.867.517.908.329.62
Run VMG4.045.055.946.516.847.348.33
Gybe Angles144.0°147.0°149.5°151.3°149.8°176.5°142.0°

GPH = 586.5

CDL = 9.678

BOAT
ClassJ 112E𝕚DesignerAl JohnstoneBuilderJ/CompositesAge Date01/2018Series Date11/2017Offset FileJ112.off
HULL
Length Overall11.002 mMaximum Beam3.598 mDraft2.053 mDisplacement4,598 kgDLR5.1149IMS DivisionCruiser/RacerDynamic Allowance0.082%Age Allowance0.130%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.413m
CREW
Maximum weight654 kg𝕚Minimum weight491 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.
ORC Ref  03880001KNNIssued on 13/09/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

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 VMG1009.2827.4726.6685.2670.7665.5655.8
52°657.5550.6501.9483.8476.9473.6468.3
60°619.7527.0489.2471.6462.0457.4453.0
75°591.5511.1479.6459.1442.2430.7422.5
90°588.3498.2473.2456.8436.2417.6392.8
110°574.8488.5453.9428.9413.8400.1373.0
120°586.9493.9457.0424.7397.7380.3349.6
135°653.3527.6476.0443.9412.8382.8318.6
150°772.2616.8524.5479.5455.6432.7374.1
Run VMG891.6712.2605.6553.1526.1490.1432.0
Selected Courses
Windward / Leeward950.4769.8666.1619.2598.4577.8543.9
All purpose730.4602.3538.7507.0488.4473.0445.0
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward648.10.9257
All purpose523.81.1455
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8015
Downwind "popa"0.9974
70% up, 30% down "Ilhabela"0.8517
30% up, 70% down "Ilhabela-inverso"0.9293
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Predominantly Upwind571.11.0506
Predominantly Downwind526.31.1401
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low666.40.9004
Triple Number All Purpose Medium520.81.1520
Triple Number All Purpose High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Predominantly Upwind571.11.0506
Predominantly Downwind526.31.1401
Predominantly Upwind Low755.90.7937
Predominantly Upwind Medium591.81.0138
Predominantly Upwind High552.81.0854
Predominantly Downwind Low713.70.8407
Predominantly Downwind Medium522.31.1487
Predominantly Downwind High438.11.3697
Chicago-Mac Upwind1.0330
Chicago-Mac All Purpose1.0736
Chicago-Mac Downwind1.1224
Bayview-Mac Cove Island0.9983
Bayview-Mac Shore1.0031
Victoria-Maui1.1976
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance570.2
Triple Number Coastal/Long Distance Low666.4
Triple Number Coastal/Long Distance Medium520.8
Triple Number Coastal/Long Distance High466.3
Triple Number Windward/Leeward Low860.1
Triple Number Windward/Leeward Medium642.2
Triple Number Windward/Leeward High570.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9004
Triple Number Coastal/Long Distance Medium1.1520
Triple Number Coastal/Long Distance High1.2866
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9343
Triple Number Windward/Leeward High1.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low666.4
Triple Number Coastal/Long Distance Medium520.8
Triple Number Coastal/Long Distance High466.3
Triple Number Windward/Leeward Low860.1
Triple Number Windward/Leeward Medium642.2
Triple Number Windward/Leeward High570.2
Predominantly Upwind571.1
Predominantly Downwind526.3
Predominantly Reaching505.7
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9004
Triple Number Coastal/Long Distance Medium1.1520
Triple Number Coastal/Long Distance High1.2866
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9343
Triple Number Windward/Leeward High1.0522
Coastal/Long Distance1.0522
Predominantly Upwind1.0506
Predominantly Downwind1.1401
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0522
Tretall Distanseseilas Lite vind0.9004
Tretall Distanseseilas Mellomvind1.1520
Tretall Distanseseilas Mye vind1.2866
Tretall Pølsebane Lite vind0.6976
Tretall Pølsebane Mellomvind0.9343
Tretall Pølsebane Mye vind1.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind571.11.0506
Predominantly Downwind526.31.1401
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore554.11.0829
Cape Doctor Coastal453.41.3233
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9004
Triple Number Coastal/Long Distance Medium1.1520
Triple Number Coastal/Long Distance High1.2866
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9343
Triple Number Windward/Leeward High1.0522
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9004
Triple Number Coastal/Long Distance Medium1.1520
Triple Number Coastal/Long Distance High1.2866
Triple Number Windward/Leeward Low0.6976
Triple Number Windward/Leeward Medium0.9343
Triple Number Windward/Leeward High1.0522
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Predominantly Upwind571.11.0506
Predominantly Downwind526.31.1401
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.21.0522
Triple Number Coastal/Long Distance Low666.40.9004
Triple Number Coastal/Long Distance Medium520.81.1520
Triple Number Coastal/Long Distance High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance944.5722.6603.4540.6506.8477.2425.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low666.40.9004
Triple Number All Purpose Medium520.81.1520
Triple Number All Purpose High466.31.2866
Triple Number Windward/Leeward Low860.10.6976
Triple Number Windward/Leeward Medium642.20.9343
Triple Number Windward/Leeward High570.21.0522
Predominantly Upwind571.11.0506
Predominantly Downwind526.31.1401
Predominantly Upwind Low755.90.7937
Predominantly Upwind Medium591.81.0138
Predominantly Upwind High552.81.0854
Predominantly Downwind Low713.70.8407
Predominantly Downwind Medium522.31.1487
Predominantly Downwind High438.11.3697
Chicago-Mac Upwind1.0330
Chicago-Mac All Purpose1.0736
Chicago-Mac Downwind1.1224
Bayview-Mac Cove Island0.9983
Bayview-Mac Shore1.0031
Harvest Moon Regatta460.81.3020
Victoria-Maui1.1976
ORC Ref  03880001KNNIssued on 13/09/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

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. Beam3.598𝕚Draft2.053𝕚Displacement4,598𝕚Wetted area24.02𝕚IMS L9.880𝕚LSM09.651𝕚Acc. length11.002𝕚Sink (kg/mm)18.10𝕚
VCGD-0.238𝕚VCGM-0.249𝕚RM Measured (kg·m)137.2𝕚RM Default (kg·m)118.3𝕚Limit 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 Date𝕚FFM1.366𝕚FAM1.039𝕚Measurer𝕚FF1.380𝕚FA1.049𝕚Comment𝕚LCFcl5.928𝕚LCFsh6.162𝕚SG1.0000𝕚HBI1.173𝕚
ORC Ref  03880001KNNIssued on 13/09/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

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
ORC Ref  03880001KNNIssued on 13/09/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org