Club
Certificate
2022

Boat

RINGLE X

USA 61551

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 Angles44.2°42.3°41.8°40.8°40.0°39.7°39.6°
Beat VMG3.524.294.895.305.475.555.67
52°5.466.517.307.717.907.988.05
60°5.816.877.577.928.128.228.28
75°6.117.167.768.098.358.558.76
90°6.157.387.948.158.408.699.22
110°6.327.588.198.598.869.119.57
120°6.217.498.148.609.109.4910.09
135°5.546.977.868.348.819.3510.62
150°4.715.907.047.828.198.499.21
Run VMG4.085.116.096.787.117.538.30
Gybe Angles144.2°147.8°147.4°151.0°151.9°171.8°176.6°

APH: 514.2

CDL: 10.656

GPH: 577.8

CertNo: US6155

BOAT
ClassX4^3 MkIIDesignerJEPESSENBuilderX YACHTSAge date01/2022Series date07/2021Offset fileX4^3-MKII.offData fileUSA61551
HULL
Length Overall12.497 mMaximum Beam3.988 mDraft2.183 mDisplacement9,400 kgDLR5.8220IMS DivisionCruiser/RacerDynamic Allowance0.216%Age Allowance0.033%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.450m
CREW
Maximum weight820 kgMinimum weight615 kg * when appliedNon Manual PowerRigCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail53.9354.63Headsail Luffed42.2242.22Headsail FlyingSymmetricAsymmetric178.05178.05 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail17.12Storm Jib15.12Heavy Weather Jib40.82
SAIL LIMITS
Headsails6  Spinnakers4
STABILITY
Righting Moment236.4 kg·mStability IndexN/A
COMMENTS
Builder's displacement.
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  0456000287BIssued on 15/08/2022Valid until 31/01/2023
VPP ver: 2022 1.04 | © ORC | www.orc.org

Club
Certificate
2022

Boat

RINGLE X

USA 61551

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 VMG1021.9839.3735.7679.9658.0648.3634.5
52°659.7553.3493.4466.9455.9451.4447.4
60°619.3524.2475.9454.3443.2438.2434.6
75°589.3502.8464.1444.8431.3421.0410.9
90°585.5487.7453.6441.6428.4414.3390.3
110°569.3475.0439.6418.9406.3395.0376.0
120°579.6480.4442.5418.4395.5379.3356.8
135°649.5516.4458.2431.8408.5384.8338.9
150°763.9610.5511.6460.6439.7424.0391.1
Run VMG882.1705.0590.7531.0506.6478.1433.6
Selected Courses
Windward / Leeward952.0772.2663.2605.5582.3563.2534.0
All purpose729.8599.0529.6494.4476.5462.5440.8
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward638.60.9396
All purpose514.21.1668
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8050
Downwind "popa"1.0176
70% up, 30% down "Ilhabela"0.8588
30% up, 70% down "Ilhabela-inverso"0.9429
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Predominantly Upwind562.11.0674
Predominantly Downwind515.81.1633
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low664.40.9031
Triple Number All Purpose Medium510.41.1756
Triple Number All Purpose High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Predominantly Upwind562.11.0674
Predominantly Downwind515.81.1633
Predominantly Upwind Low759.80.7897
Predominantly Upwind Medium584.11.0272
Predominantly Upwind High536.81.1177
Predominantly Downwind Low709.10.8461
Predominantly Downwind Medium507.51.1823
Predominantly Downwind High434.51.3810
Chicago-Mac Upwind1.0472
Chicago-Mac All Purpose1.0913
Chicago-Mac Downwind1.1455
Bayview-Mac Cove Island1.0090
Bayview-Mac Shore1.0128
Victoria-Maui1.2158
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance561.3
Triple Number Coastal/Long Distance Low664.4
Triple Number Coastal/Long Distance Medium510.4
Triple Number Coastal/Long Distance High457.9
Triple Number Windward/Leeward Low862.1
Triple Number Windward/Leeward Medium632.8
Triple Number Windward/Leeward High557.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9031
Triple Number Coastal/Long Distance Medium1.1756
Triple Number Coastal/Long Distance High1.3104
Triple Number Windward/Leeward Low0.6960
Triple Number Windward/Leeward Medium0.9481
Triple Number Windward/Leeward High1.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low664.4
Triple Number Coastal/Long Distance Medium510.4
Triple Number Coastal/Long Distance High457.9
Triple Number Windward/Leeward Low862.1
Triple Number Windward/Leeward Medium632.8
Triple Number Windward/Leeward High557.1
Predominantly Upwind562.1
Predominantly Downwind515.8
Predominantly Reaching495.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9031
Triple Number Coastal/Long Distance Medium1.1756
Triple Number Coastal/Long Distance High1.3104
Triple Number Windward/Leeward Low0.6960
Triple Number Windward/Leeward Medium0.9481
Triple Number Windward/Leeward High1.0771
Coastal/Long Distance1.0690
Predominantly Upwind1.0674
Predominantly Downwind1.1633
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0690
Tretall Distanseseilas Lite vind0.9031
Tretall Distanseseilas Mellomvind1.1756
Tretall Distanseseilas Mye vind1.3104
Tretall Pølsebane Lite vind0.6960
Tretall Pølsebane Mellomvind0.9481
Tretall Pølsebane Mye vind1.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Coastal/Long Distance561.31.0690
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind562.11.0674
Predominantly Downwind515.81.1633
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore542.81.1054
Cape Doctor Coastal447.31.3413
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9031
Triple Number Coastal/Long Distance Medium1.1756
Triple Number Coastal/Long Distance High1.3104
Triple Number Windward/Leeward Low0.6960
Triple Number Windward/Leeward Medium0.9481
Triple Number Windward/Leeward High1.0771
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9031
Triple Number Coastal/Long Distance Medium1.1756
Triple Number Coastal/Long Distance High1.3104
Triple Number Windward/Leeward Low0.6960
Triple Number Windward/Leeward Medium0.9481
Triple Number Windward/Leeward High1.0771
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Predominantly Upwind562.11.0674
Predominantly Downwind515.81.1633
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance561.31.0690
Triple Number Coastal/Long Distance Low664.40.9031
Triple Number Coastal/Long Distance Medium510.41.1756
Triple Number Coastal/Long Distance High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance945.0722.9597.0527.8494.1466.7421.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low664.40.9031
Triple Number All Purpose Medium510.41.1756
Triple Number All Purpose High457.91.3104
Triple Number Windward/Leeward Low862.10.6960
Triple Number Windward/Leeward Medium632.80.9481
Triple Number Windward/Leeward High557.11.0771
Predominantly Upwind562.11.0674
Predominantly Downwind515.81.1633
Predominantly Upwind Low759.80.7897
Predominantly Upwind Medium584.11.0272
Predominantly Upwind High536.81.1177
Predominantly Downwind Low709.10.8461
Predominantly Downwind Medium507.51.1823
Predominantly Downwind High434.51.3810
Chicago-Mac Upwind1.0472
Chicago-Mac All Purpose1.0913
Chicago-Mac Downwind1.1455
Bayview-Mac Cove Island1.0090
Bayview-Mac Shore1.0128
Harvest Moon Regatta450.41.3323
Victoria-Maui1.2158
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low938.10.6396
5-Band Low / Medium786.80.7626
5-Band Medium621.70.9651
5-Band Medium / High565.11.0618
5-Band High539.11.1130
ORC Ref  0456000287BIssued on 15/08/2022Valid until 31/01/2023
VPP ver: 2022 1.04 | © ORC | www.orc.org

Club
Certificate
2022

Boat

RINGLE X

USA 61551

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX4^3 MkIIMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.497Max. Beam3.988Draft2.183Displacement9,400Wetted area34.90IMS L11.664LSM011.730Acc. length12.497Sink (kg/mm) 26.01
VCGD-0.151VCGM-0.070RM Measured (kg·m) 236.4RM Default (kg·m) 236.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.450PBWPIPA0.0008
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P16.325IG17.388ISP18.103MDT10.149MDL10.243MDT2MDL2TLTaperMWGO
E5.990J4.766BAS1.828FSDFoilSFJ0.345SPLWPLTPS5.655BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date01/01/2013MeasurerComment
SFFP0.735FFMFF1.475LCFcl6.830SG
SAFP12.288FAMFA1.300LCFsh7.090HBI1.344
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  0456000287BIssued on 15/08/2022Valid until 31/01/2023
VPP ver: 2022 1.04 | © ORC | www.orc.org

Club
Certificate
2022

Boat

RINGLE X

USA 61551

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentMain0.181.112.003.484.6453.9331/01/2022NORTHUnknown
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentJib0.080.661.262.453.634.7817.33NoNo 42.2229/01/2922NORTHKevlar
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentG220.6817.5019.0911.599.60121%178.0527/12/2021NorthUnknown
ORC Ref  0456000287BIssued on 15/08/2022Valid until 31/01/2023
VPP ver: 2022 1.04 | © ORC | www.orc.org