Club
Certificate
2022

Boat

ROCKSTEADY

USA 60492

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°42.6°40.2°38.8°38.2°37.8°37.6°
Beat VMG4.054.865.335.645.785.866.03
52°6.277.397.848.048.168.238.37
60°6.727.768.128.298.418.508.58
75°7.198.078.448.668.798.939.01
90°7.308.148.548.879.179.369.69
110°6.687.878.478.809.079.3810.26
120°6.447.778.428.939.399.7410.42
135°5.797.228.118.639.189.8211.39
150°4.906.157.288.068.488.849.71
Run VMG4.245.326.307.007.367.768.60
Gybe Angles143.3°146.0°148.3°151.2°151.6°171.2°175.7°

APH: 485.0

CDL: 11.639

GPH: 540.4

CertNo: US6049

BOAT
ClassXP 44DesignerJEPPESENBuilderX-YACHTSAge date05/2010Series date01/2010Offset fileXP-44.offData fileUSA60492
HULL
Length Overall13.305 mMaximum Beam4.052 mDraft2.699 mDisplacement9,725 kgDLR5.3673IMS DivisionCruiser/RacerDynamic Allowance0.106%Age Allowance0.390%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.445m
CREW
Maximum weight868 kgMinimum weight651 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail63.3264.49Headsail Luffed48.8048.80Headsail Flying90.5490.54SymmetricAsymmetric190.03190.03 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail18.65Storm Jib17.04Heavy Weather Jib46.01
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment254.4 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.
ORC Ref  0456000299DIssued on 19/09/2022Valid until 31/12/2022
VPP ver: 2022 1.04 | © ORC | www.orc.org

Club
Certificate
2022

Boat

ROCKSTEADY

USA 60492

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 VMG888.8740.3675.4638.8622.8614.7596.9
52°574.0487.2459.2447.5441.1437.2430.2
60°535.5463.8443.2434.4428.3423.5419.7
75°500.4446.1426.4415.8409.8403.2399.6
90°493.2442.5421.8406.0392.7384.6371.7
110°538.7457.4425.0409.3396.8384.0350.9
120°559.3463.2427.3403.2383.5369.5345.4
135°621.6498.4443.7417.0392.0366.5316.1
150°735.3585.6494.5446.5424.5407.2370.7
Run VMG849.0676.2571.0514.5489.3463.8418.6
Selected Courses
Windward / Leeward868.9708.2623.2576.7556.0539.2507.7
All purpose659.9549.8498.4470.5455.0442.5419.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward602.40.9960
All purpose485.01.2371
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8791
Downwind "popa"1.0546
70% up, 30% down "Ilhabela"0.9253
30% up, 70% down "Ilhabela-inverso"0.9950
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Predominantly Upwind523.81.1455
Predominantly Downwind489.21.2264
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low604.90.9919
Triple Number All Purpose Medium482.51.2435
Triple Number All Purpose High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Predominantly Upwind523.81.1455
Predominantly Downwind489.21.2264
Predominantly Upwind Low676.70.8867
Predominantly Upwind Medium545.01.1009
Predominantly Upwind High510.01.1764
Predominantly Downwind Low663.20.9047
Predominantly Downwind Medium486.91.2322
Predominantly Downwind High415.61.4436
Chicago-Mac Upwind1.1249
Chicago-Mac All Purpose1.1629
Chicago-Mac Downwind1.2065
Bayview-Mac Cove Island1.0926
Bayview-Mac Shore1.0991
Victoria-Maui1.2781
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance528.8
Triple Number Coastal/Long Distance Low604.9
Triple Number Coastal/Long Distance Medium482.5
Triple Number Coastal/Long Distance High436.9
Triple Number Windward/Leeward Low788.5
Triple Number Windward/Leeward Medium598.0
Triple Number Windward/Leeward High531.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2435
Triple Number Coastal/Long Distance High1.3733
Triple Number Windward/Leeward Low0.7609
Triple Number Windward/Leeward Medium1.0034
Triple Number Windward/Leeward High1.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low604.9
Triple Number Coastal/Long Distance Medium482.5
Triple Number Coastal/Long Distance High436.9
Triple Number Windward/Leeward Low788.5
Triple Number Windward/Leeward Medium598.0
Triple Number Windward/Leeward High531.6
Predominantly Upwind523.8
Predominantly Downwind489.2
Predominantly Reaching466.1
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2435
Triple Number Coastal/Long Distance High1.3733
Triple Number Windward/Leeward Low0.7609
Triple Number Windward/Leeward Medium1.0034
Triple Number Windward/Leeward High1.1286
Coastal/Long Distance1.1347
Predominantly Upwind1.1455
Predominantly Downwind1.2264
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1347
Tretall Distanseseilas Lite vind0.9919
Tretall Distanseseilas Mellomvind1.2435
Tretall Distanseseilas Mye vind1.3733
Tretall Pølsebane Lite vind0.7609
Tretall Pølsebane Mellomvind1.0034
Tretall Pølsebane Mye vind1.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Coastal/Long Distance528.81.1347
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind523.81.1455
Predominantly Downwind489.21.2264
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore517.21.1601
Cape Doctor Coastal426.21.4077
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2435
Triple Number Coastal/Long Distance High1.3733
Triple Number Windward/Leeward Low0.7609
Triple Number Windward/Leeward Medium1.0034
Triple Number Windward/Leeward High1.1286
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9919
Triple Number Coastal/Long Distance Medium1.2435
Triple Number Coastal/Long Distance High1.3733
Triple Number Windward/Leeward Low0.7609
Triple Number Windward/Leeward Medium1.0034
Triple Number Windward/Leeward High1.1286
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Predominantly Upwind523.81.1455
Predominantly Downwind489.21.2264
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance528.81.1347
Triple Number Coastal/Long Distance Low604.90.9919
Triple Number Coastal/Long Distance Medium482.51.2435
Triple Number Coastal/Long Distance High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance866.9664.3561.6502.0471.7446.7404.2
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low604.90.9919
Triple Number All Purpose Medium482.51.2435
Triple Number All Purpose High436.91.3733
Triple Number Windward/Leeward Low788.50.7609
Triple Number Windward/Leeward Medium598.01.0034
Triple Number Windward/Leeward High531.61.1286
Predominantly Upwind523.81.1455
Predominantly Downwind489.21.2264
Predominantly Upwind Low676.70.8867
Predominantly Upwind Medium545.01.1009
Predominantly Upwind High510.01.1764
Predominantly Downwind Low663.20.9047
Predominantly Downwind Medium486.91.2322
Predominantly Downwind High415.61.4436
Chicago-Mac Upwind1.1249
Chicago-Mac All Purpose1.1629
Chicago-Mac Downwind1.2065
Bayview-Mac Cove Island1.0926
Bayview-Mac Shore1.0991
Harvest Moon Regatta428.51.4001
Victoria-Maui1.2781
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low856.60.7005
5-Band Low / Medium725.00.8276
5-Band Medium588.91.0189
5-Band Medium / High539.91.1113
5-Band High513.21.1692
ORC Ref  0456000299DIssued on 19/09/2022Valid until 31/12/2022
VPP ver: 2022 1.04 | © ORC | www.orc.org

Club
Certificate
2022

Boat

ROCKSTEADY

USA 60492

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassXP 44MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.305Max. Beam4.052Draft2.699Displacement9,725Wetted area37.78IMS L12.350LSM012.190Acc. length13.169Sink (kg/mm) 27.72
VCGD-0.087VCGM-0.076RM Measured (kg·m) 254.4RM Default (kg·m) 267.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.445PBW0.118PIPA0.0039
EDL2.750ST10.052ST20.178
ST30.178ST40.111ST50.285
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P17.910IG18.185ISP19.890MDT10.133MDL10.261MDT20.118MDL20.197TL1.400MW0.210GO0.284
E5.950J4.970BAS1.770FSD0.040SFJ0.300SPLWPLTPS6.640BD0.305MWTMCG
Flying Headsail Foretriangles IdISPTPS119.8906.640
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date05/08/2014MeasurerCommentCushions on
SFFP0.744FFMFF1.494LCFcl7.442SG1.0200
SAFP13.259FAMFA1.203LCFsh7.700HBI1.327
W1133.0W2133.0W3133.0W4133.0
PD1359.0PD2359.0PD3359.0PD4359.0
WD12.570PLM3148.00GSA0.6RSA71.7
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  0456000299DIssued on 19/09/2022Valid until 31/12/2022
VPP ver: 2022 1.04 | © ORC | www.orc.org

Club
Certificate
2022

Boat

ROCKSTEADY

USA 60492

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentM-10.221.252.333.834.9163.32Unknownfrom ORR
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentTweener0.081.452.825.407.589.3017.84NoYes190.54UnknownFrom ORRJib0.120.841.532.764.005.2717.83YesNo 48.80UnknownFrom ORR
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA221.5619.1620.3611.2111.16100%190.03Unknownfrom ORR
ORC Ref  0456000299DIssued on 19/09/2022Valid until 31/12/2022
VPP ver: 2022 1.04 | © ORC | www.orc.org