Club
Certificate
2023

Boat

LAKE EFFECT

25685

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°41.4°40.0°38.8°38.4°38.1°38.2°
Beat VMG3.634.374.835.035.135.205.22
52°5.536.466.937.137.227.277.32
60°5.826.677.107.307.407.467.52
75°5.996.797.227.477.647.747.87
90°5.886.747.227.527.767.958.22
110°5.736.827.387.748.038.248.58
120°5.586.697.327.748.108.449.03
135°5.026.207.017.507.918.319.18
150°4.265.386.316.947.317.618.20
Run VMG3.694.665.466.016.346.867.57
Gybe Angles144.2°147.8°148.0°149.2°151.4°173.6°176.3°

APH: 555.4

CDL: 9.209

GPH: 619.0

CertNo: US6915

BOAT
ClassC&C 110DesignerTim JackettBuilderTartanAge date01/2001Series date01/2001Offset fileUS41176.OFFData fileus6915
HULL
Length Overall11.070 mMaximum Beam3.658 mDraft1.841 mDisplacement6,122 kgDLR6.9178IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.406m
CREW
Maximum weight570 kgMinimum weight428 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail37.9638.64Headsail Luffed49.5649.56Headsail FlyingSymmetricAsymmetric111.85111.85 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.35Storm Jib12.06Heavy Weather Jib32.54
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability 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.
ORC Ref  04560002P58Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LAKE EFFECT

25685

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 VMG990.8824.3745.9715.7701.2693.0690.1
52°650.7557.4519.1505.1498.6495.0491.7
60°619.1540.0507.2492.9486.5482.5478.4
75°600.9529.9498.9481.8471.2465.0457.7
90°612.6534.1498.8478.9464.2452.7438.2
110°628.3528.2487.9465.1448.2436.9419.4
120°645.2537.8491.8465.3444.2426.4398.5
135°717.5580.3513.3480.1455.1433.2392.1
150°844.7669.4570.7518.8492.5473.3438.8
Run VMG975.4773.0659.0599.1568.1524.9475.8
Selected Courses
Windward / Leeward983.1798.6702.5657.4634.7608.9582.9
All purpose759.0630.6568.2538.3521.1506.4487.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward683.70.8776
All purpose555.41.0803
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7834
Downwind "popa"0.9180
70% up, 30% down "Ilhabela"0.8195
30% up, 70% down "Ilhabela-inverso"0.8730
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Predominantly Upwind596.41.0060
Predominantly Downwind564.51.0629
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low694.80.8635
Triple Number All Purpose Medium551.71.0876
Triple Number All Purpose High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Predominantly Upwind596.41.0060
Predominantly Downwind564.51.0629
Predominantly Upwind Low767.20.7820
Predominantly Upwind Medium615.00.9756
Predominantly Upwind High582.81.0295
Predominantly Downwind Low762.50.7869
Predominantly Downwind Medium563.51.0647
Predominantly Downwind High482.41.2439
Chicago-Mac Upwind0.9897
Chicago-Mac All Purpose1.0152
Chicago-Mac Downwind1.0461
Bayview-Mac Cove Island0.9529
Bayview-Mac Shore0.9618
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching527.71.1369
Predominantly Reaching Low632.30.9489
Predominantly Reaching Medium522.31.1488
Predominantly Reaching High467.71.2828
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low968.90.6193
5-Band Low / Medium818.90.7327
5-Band Medium668.80.8971
5-Band Medium / High613.10.9786
5-Band High587.41.0214
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance603.2
Triple Number Coastal/Long Distance Low694.8
Triple Number Coastal/Long Distance Medium551.7
Triple Number Coastal/Long Distance High503.1
Triple Number Windward/Leeward Low890.9
Triple Number Windward/Leeward Medium678.5
Triple Number Windward/Leeward High605.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8635
Triple Number Coastal/Long Distance Medium1.0876
Triple Number Coastal/Long Distance High1.1926
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.8843
Triple Number Windward/Leeward High0.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low694.8
Triple Number Coastal/Long Distance Medium551.7
Triple Number Coastal/Long Distance High503.1
Triple Number Windward/Leeward Low890.9
Triple Number Windward/Leeward Medium678.5
Triple Number Windward/Leeward High605.6
Predominantly Upwind596.4
Predominantly Downwind564.5
Predominantly Reaching540.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8635
Triple Number Coastal/Long Distance Medium1.0876
Triple Number Coastal/Long Distance High1.1926
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.8843
Triple Number Windward/Leeward High0.9907
Coastal/Long Distance0.9947
Predominantly Upwind1.0060
Predominantly Downwind1.0629
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8635
Tretall Distanseseilas Mellomvind1.0876
Tretall Distanseseilas Mye vind1.1926
Tretall Pølsebane Lite vind0.6735
Tretall Pølsebane Mellomvind0.8843
Tretall Pølsebane Mye vind0.9907
Distanseseilas ett tall (OSN 8-16kn)0.9947
Distanseseilas ett tall (APH 6-20kn)1.0803
Enkeltall Motvind1.0060
Enkeltall Medvind1.0629
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Coastal/Long Distance603.20.9947
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind596.41.0060
Predominantly Downwind564.51.0629
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore590.71.0157
Cape Doctor Coastal493.41.2161
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8635
Triple Number Coastal/Long Distance Medium1.0876
Triple Number Coastal/Long Distance High1.1926
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.8843
Triple Number Windward/Leeward High0.9907
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8635
Triple Number Coastal/Long Distance Medium1.0876
Triple Number Coastal/Long Distance High1.1926
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.8843
Triple Number Windward/Leeward High0.9907
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Predominantly Upwind596.41.0060
Predominantly Downwind564.51.0629
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.20.9947
Triple Number Coastal/Long Distance Low694.80.8635
Triple Number Coastal/Long Distance Medium551.71.0876
Triple Number Coastal/Long Distance High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance982.3753.0636.7574.0541.1511.8467.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low694.80.8635
Triple Number All Purpose Medium551.71.0876
Triple Number All Purpose High503.11.1926
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium678.50.8843
Triple Number Windward/Leeward High605.60.9907
Predominantly Upwind596.41.0060
Predominantly Downwind564.51.0629
Predominantly Upwind Low767.20.7820
Predominantly Upwind Medium615.00.9756
Predominantly Upwind High582.81.0295
Predominantly Downwind Low762.50.7869
Predominantly Downwind Medium563.51.0647
Predominantly Downwind High482.41.2439
Chicago-Mac Upwind0.9897
Chicago-Mac All Purpose1.0152
Chicago-Mac Downwind1.0461
Bayview-Mac Cove Island0.9529
Bayview-Mac Shore0.9618
Harvest Moon Regatta488.11.2292
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy589.01.0187
San Francisco Bay Medium666.00.9009
Predominantly Reaching527.71.1369
Predominantly Reaching Low632.30.9489
Predominantly Reaching Medium522.31.1488
Predominantly Reaching High467.71.2828
Windward/Leeward 60-40 Low894.20.6710
Windward/Leeward 60-40 Medium696.50.8615
Windward/Leeward 60-40 High635.70.9439
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low968.90.6193
5-Band Low / Medium818.90.7327
5-Band Medium668.80.8971
5-Band Medium / High613.10.9786
5-Band High587.41.0214
ORC Ref  04560002P58Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LAKE EFFECT

25685

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 110Measurement01/01/2019HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.070Max. Beam3.658Draft1.841Displacement6,122Wetted area26.75IMS L9.712LSM09.600Acc. length11.070Sink (kg/mm) 20.61
VCGD0.064VCGM0.146RM Rated (kg·m) 147.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.406PBW0.107PIPA0.0030
EDL0.388ST10.052ST20.168
ST30.177ST40.095ST50.281
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.717IG15.460ISP15.460MDT10.119MDL10.196MDT20.119MDL20.196TL0.000MW0.196GO0.214
E4.725J4.283BAS1.534FSD0.014SFJ0.351SPL0.000WPLTPS4.633BD0.174MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered146.6Flotation Date01/01/2019MeasurerComment
SFFP0.850FFMFF1.311LCFcl6.191SG1.0000
SAFP10.071FAMFA0.990LCFsh6.461HBI1.115
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
Total deductible
ORC Ref  04560002P58Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LAKE EFFECT

25685

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment23993390.140.951.732.983.9237.96MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-230.080.831.613.234.896.6015.16NoNo 49.5616/01/202317206431124130.080.721.392.804.315.9615.09NoNo 43.582020 lt #1 146660
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment239934916.5014.4415.478.788.26106%111.85A2 Asymm
ORC Ref  04560002P58Issued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org