Club
Certificate
2021

Boat

SILVER SURFER

USA 7

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 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°

APH: 524.6

CDL: 9.702

GPH: 587.5

CertNo: US7455

BOAT
ClassJ 112EDesignerAl JohnstoneBuilderJ/CompositesAge date01/2018Series date11/2017Offset fileJ112.offData fileUS6823
HULL
Length Overall11.002 mMaximum Beam3.598 mDraft2.058 mDisplacement4,695 kgDLRIMS DivisionCruiser/RacerDynamic Allowance0.096%Age Allowance0.130%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.413m
CREW
Maximum weight658 kgMinimum weight494 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail39.3440.08Headsail Luffed32.5232.52Headsail FlyingSymmetricAsymmetric130.58130.58 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.58Storm Jib10.61Heavy Weather Jib28.64
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment137.2 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.

Club
Certificate
2021

Boat

SILVER SURFER

USA 7

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 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
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 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
Coastal/Long Distance571.11.0505
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
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low0.00.4830
5-Band Low / Medium0.00.5763
5-Band Medium0.00.7268
5-Band Medium / High0.00.7907
5-Band High0.00.8203

Club
Certificate
2021

Boat

SILVER SURFER

USA 7

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 112EMeasurementHINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.002Max. Beam3.598Draft2.058Displacement4,695Wetted area24.20IMS L9.916LSM09.691Acc. length11.002Sink (kg/mm) 18.24
VCGD-0.238VCGM-0.254RM Measured (kg·m) 137.2RM Default (kg·m) 119.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.413PBW0.108PIPA0.0038
EDL2.205ST10.065ST20.170
ST30.305ST40.110ST50.310
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P14.001IG14.564ISP15.783MDT10.121MDL10.216MDT20.120MDL20.216TL1.320MW0.216GO0.216
E4.724J4.258BAS1.756FSD0.030SFJ0.300SPLWPLTPS6.566BD0.225MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyFlotation Date04/01/2022MeasurerComment
SFFP0.488FFMFF1.374LCFcl5.928SG1.0000
SAFP10.805FAMFA1.045LCFsh6.165HBI1.167
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2021

Boat

SILVER SURFER

USA 7

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentOUS113767-0010.160.991.793.063.9439.3401/05/2016NORTH SRI LANKA
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentevo4280.080.611.172.213.344.4814.47YesNo 32.5217/12/2015NORTH SRI LANKAUnknown
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentOUS113767-00417.8714.8516.369.529.8197%130.5812/04/2015NORTH SRI LANKAUnknown