Club
Certificate
2022

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 Angles43.2°41.8°40.6°39.3°38.4°38.2°38.1°
Beat VMG3.524.314.925.235.365.415.51
52°5.416.497.147.427.537.597.68
60°5.746.787.337.617.777.857.94
75°6.006.997.477.818.108.328.51
90°6.087.207.587.848.218.589.13
110°6.227.357.918.368.688.979.54
120°6.097.277.878.489.039.4310.22
135°5.506.837.588.158.789.4911.46
150°4.685.886.927.557.968.399.82
Run VMG4.055.095.996.556.897.318.50
Gybe Angles144.2°146.9°149.6°151.4°148.9°173.9°141.9°

APH: 524.5

CDL: 9.649

GPH: 587.8

CertNo: US7455

BOAT
ClassJ 112EDesignerAl JohnstoneBuilderJ/CompositesAge date01/2016Series date08/2015Offset fileJ112.offData fileUS6823
HULL
Length Overall11.002 mMaximum Beam3.598 mDraft2.058 mDisplacement4,694 kgDLR5.1562IMS DivisionCruiser/RacerDynamic Allowance0.086%Age Allowance0.228%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.413m
CREW
Maximum weight600 kgMinimum weight450 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
2022

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 VMG1021.4834.6731.2687.9672.1665.5653.4
52°665.4555.0504.0485.2478.0474.3468.6
60°627.4530.8491.1473.0463.3458.4453.7
75°599.9515.0481.8461.1444.3432.5423.2
90°592.3500.0475.0459.3438.3419.5394.4
110°578.9489.9455.0430.8414.9401.1377.6
120°590.7495.0457.2424.8398.5381.7352.2
135°654.2526.9474.9441.7409.9379.2314.0
150°769.0612.0520.3477.0452.2429.3366.7
Run VMG888.0706.6600.8549.7522.1492.7423.5
Selected Courses
Windward / Leeward954.7770.6666.0618.8597.1579.1538.4
All purpose735.1604.1539.6507.6488.3473.3443.1
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward647.90.9261
All purpose524.51.1439
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7976
Downwind "popa"1.0040
70% up, 30% down "Ilhabela"0.8500
30% up, 70% down "Ilhabela-inverso"0.9316
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Predominantly Upwind572.81.0475
Predominantly Downwind525.61.1416
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low669.60.8960
Triple Number All Purpose Medium521.51.1506
Triple Number All Purpose High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Predominantly Upwind572.81.0475
Predominantly Downwind525.61.1416
Predominantly Upwind Low761.60.7878
Predominantly Upwind Medium594.11.0099
Predominantly Upwind High552.81.0854
Predominantly Downwind Low713.50.8409
Predominantly Downwind Medium520.11.1537
Predominantly Downwind High435.61.3775
Chicago-Mac Upwind1.0298
Chicago-Mac All Purpose1.0726
Chicago-Mac Downwind1.1243
Bayview-Mac Cove Island0.9948
Bayview-Mac Shore0.9990
Victoria-Maui1.2013
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance570.8
Triple Number Coastal/Long Distance Low669.6
Triple Number Coastal/Long Distance Medium521.5
Triple Number Coastal/Long Distance High465.7
Triple Number Windward/Leeward Low862.7
Triple Number Windward/Leeward Medium641.8
Triple Number Windward/Leeward High568.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8960
Triple Number Coastal/Long Distance Medium1.1506
Triple Number Coastal/Long Distance High1.2883
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9349
Triple Number Windward/Leeward High1.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low669.6
Triple Number Coastal/Long Distance Medium521.5
Triple Number Coastal/Long Distance High465.7
Triple Number Windward/Leeward Low862.7
Triple Number Windward/Leeward Medium641.8
Triple Number Windward/Leeward High568.3
Predominantly Upwind572.8
Predominantly Downwind525.6
Predominantly Reaching505.9
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8960
Triple Number Coastal/Long Distance Medium1.1506
Triple Number Coastal/Long Distance High1.2883
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9349
Triple Number Windward/Leeward High1.0557
Coastal/Long Distance1.0512
Predominantly Upwind1.0475
Predominantly Downwind1.1416
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0512
Tretall Distanseseilas Lite vind0.8960
Tretall Distanseseilas Mellomvind1.1506
Tretall Distanseseilas Mye vind1.2883
Tretall Pølsebane Lite vind0.6955
Tretall Pølsebane Mellomvind0.9349
Tretall Pølsebane Mye vind1.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Coastal/Long Distance570.81.0512
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind572.81.0475
Predominantly Downwind525.61.1416
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore550.61.0896
Cape Doctor Coastal452.21.3270
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8960
Triple Number Coastal/Long Distance Medium1.1506
Triple Number Coastal/Long Distance High1.2883
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9349
Triple Number Windward/Leeward High1.0557
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8960
Triple Number Coastal/Long Distance Medium1.1506
Triple Number Coastal/Long Distance High1.2883
Triple Number Windward/Leeward Low0.6955
Triple Number Windward/Leeward Medium0.9349
Triple Number Windward/Leeward High1.0557
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Predominantly Upwind572.81.0475
Predominantly Downwind525.61.1416
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance570.81.0512
Triple Number Coastal/Long Distance Low669.60.8960
Triple Number Coastal/Long Distance Medium521.51.1506
Triple Number Coastal/Long Distance High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance948.0723.4603.6541.0506.7477.7424.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low669.60.8960
Triple Number All Purpose Medium521.51.1506
Triple Number All Purpose High465.71.2883
Triple Number Windward/Leeward Low862.70.6955
Triple Number Windward/Leeward Medium641.80.9349
Triple Number Windward/Leeward High568.31.0557
Predominantly Upwind572.81.0475
Predominantly Downwind525.61.1416
Predominantly Upwind Low761.60.7878
Predominantly Upwind Medium594.11.0099
Predominantly Upwind High552.81.0854
Predominantly Downwind Low713.50.8409
Predominantly Downwind Medium520.11.1537
Predominantly Downwind High435.61.3775
Chicago-Mac Upwind1.0298
Chicago-Mac All Purpose1.0726
Chicago-Mac Downwind1.1243
Bayview-Mac Cove Island0.9948
Bayview-Mac Shore0.9990
Harvest Moon Regatta461.21.3010
Victoria-Maui1.2013
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low940.50.6379
5-Band Low / Medium788.30.7611
5-Band Medium632.30.9489
5-Band Medium / High578.61.0370
5-Band High545.51.1000

Club
Certificate
2022

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 constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.002Max. Beam3.598Draft2.058Displacement4,694Wetted area24.20IMS L9.875LSM09.691Acc. length11.002Sink (kg/mm) 18.23
VCGD-0.238VCGM-0.254RM Measured (kg·m) 137.2RM Default (kg·m) 118.6Limit 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
SAFP10.805FAMFA1.045LCFsh6.191HBI1.166
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2022

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