Club
Certificate
2023

Boat

FIFTY-50

USA 34433

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 Angles43.0°40.8°38.7°37.6°37.0°37.0°37.0°
Beat VMG3.584.314.774.955.055.115.15
52°5.446.326.726.896.987.047.10
60°5.716.516.887.057.157.227.30
75°5.886.647.017.247.397.507.64
90°5.856.737.157.437.647.798.00
110°5.566.557.107.467.798.108.66
120°5.286.376.997.407.768.128.93
135°4.695.816.617.097.477.858.72
150°3.915.025.966.667.117.478.21
Run VMG3.394.345.185.906.516.987.68
Gybe Angles143.9°149.6°153.2°160.4°174.8°179.0°179.0°

APH: 571.1

CDL: 8.700

GPH: 638.4

CertNo: US7197

BOAT
ClassX-102 modDesignerN. JeppensenBuilderX YachtsAge date05/2002Series date05/1981Offset fileX102-USA34433.offData fileUSA34433
HULL
Length Overall10.020 mMaximum Beam3.380 mDraft1.885 mDisplacement4,023 kgDLR6.4673IMS DivisionCruiser/RacerDynamic Allowance0.050%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.433m
CREW
Maximum weight640 kgMinimum weight480 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.1535.88Headsail Luffed29.3629.36Headsail FlyingSymmetric58.6458.64Asymmetric53.5853.58 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.34Storm Jib6.68Heavy Weather Jib18.03
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
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.

Club
Certificate
2023

Boat

FIFTY-50

USA 34433

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 VMG1006.5834.8755.4726.6712.6704.6699.1
52°661.9569.7535.4522.2515.7511.4506.7
60°630.0552.6523.6510.3503.4498.7493.1
75°612.5542.0513.8497.6486.9480.0471.2
90°615.6535.2503.8484.5471.0462.4450.0
110°647.3549.3507.3482.4461.9444.5415.9
120°681.7564.8515.1486.8464.1443.4403.4
135°767.8619.5544.4507.6481.8458.3413.0
150°919.7717.7604.0540.3506.6482.1438.5
Run VMG1062.0828.7695.5610.3552.8516.0469.0
Selected Courses
Windward / Leeward1034.3831.8725.5668.5632.7610.3584.0
All purpose790.3653.4587.4553.1532.0517.2495.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward697.30.8605
All purpose571.11.0505
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7721
Downwind "popa"0.8872
70% up, 30% down "Ilhabela"0.8034
30% up, 70% down "Ilhabela-inverso"0.8492
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Predominantly Upwind611.40.9813
Predominantly Downwind584.71.0262
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low721.80.8312
Triple Number All Purpose Medium567.61.0571
Triple Number All Purpose High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Predominantly Upwind611.40.9813
Predominantly Downwind584.71.0262
Predominantly Upwind Low787.70.7617
Predominantly Upwind Medium627.50.9562
Predominantly Upwind High594.81.0087
Predominantly Downwind Low807.90.7427
Predominantly Downwind Medium583.51.0284
Predominantly Downwind High487.51.2307
Chicago-Mac Upwind0.9656
Chicago-Mac All Purpose0.9845
Chicago-Mac Downwind1.0079
Bayview-Mac Cove Island0.9234
Bayview-Mac Shore0.9342
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching543.11.1047
Predominantly Reaching Low654.90.9162
Predominantly Reaching Medium539.21.1129
Predominantly Reaching High482.91.2425
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1018.70.5890
5-Band Low / Medium853.20.7032
5-Band Medium680.60.8815
5-Band Medium / High614.50.9763
5-Band High588.61.0194
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance620.9
Triple Number Coastal/Long Distance Low721.8
Triple Number Coastal/Long Distance Medium567.6
Triple Number Coastal/Long Distance High512.6
Triple Number Windward/Leeward Low933.0
Triple Number Windward/Leeward Medium692.1
Triple Number Windward/Leeward High606.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8312
Triple Number Coastal/Long Distance Medium1.0571
Triple Number Coastal/Long Distance High1.1705
Triple Number Windward/Leeward Low0.6431
Triple Number Windward/Leeward Medium0.8669
Triple Number Windward/Leeward High0.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low721.8
Triple Number Coastal/Long Distance Medium567.6
Triple Number Coastal/Long Distance High512.6
Triple Number Windward/Leeward Low933.0
Triple Number Windward/Leeward Medium692.1
Triple Number Windward/Leeward High606.1
Predominantly Upwind611.4
Predominantly Downwind584.7
Predominantly Reaching557.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8312
Triple Number Coastal/Long Distance Medium1.0571
Triple Number Coastal/Long Distance High1.1705
Triple Number Windward/Leeward Low0.6431
Triple Number Windward/Leeward Medium0.8669
Triple Number Windward/Leeward High0.9900
Coastal/Long Distance0.9663
Predominantly Upwind0.9813
Predominantly Downwind1.0262
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8312
Tretall Distanseseilas Mellomvind1.0571
Tretall Distanseseilas Mye vind1.1705
Tretall Pølsebane Lite vind0.6431
Tretall Pølsebane Mellomvind0.8669
Tretall Pølsebane Mye vind0.9900
Distanseseilas ett tall (OSN 8-16kn)0.9663
Distanseseilas ett tall (APH 6-20kn)1.0505
Enkeltall Motvind0.9813
Enkeltall Medvind1.0262
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Coastal/Long Distance620.90.9663
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind611.40.9813
Predominantly Downwind584.71.0262
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore591.91.0137
Cape Doctor Coastal501.71.1958
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8312
Triple Number Coastal/Long Distance Medium1.0571
Triple Number Coastal/Long Distance High1.1705
Triple Number Windward/Leeward Low0.6431
Triple Number Windward/Leeward Medium0.8669
Triple Number Windward/Leeward High0.9900
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8312
Triple Number Coastal/Long Distance Medium1.0571
Triple Number Coastal/Long Distance High1.1705
Triple Number Windward/Leeward Low0.6431
Triple Number Windward/Leeward Medium0.8669
Triple Number Windward/Leeward High0.9900
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Predominantly Upwind611.40.9813
Predominantly Downwind584.71.0262
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance620.90.9663
Triple Number Coastal/Long Distance Low721.80.8312
Triple Number Coastal/Long Distance Medium567.61.0571
Triple Number Coastal/Long Distance High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1037.0783.9657.7588.6551.5522.6474.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low721.80.8312
Triple Number All Purpose Medium567.61.0571
Triple Number All Purpose High512.61.1705
Triple Number Windward/Leeward Low933.00.6431
Triple Number Windward/Leeward Medium692.10.8669
Triple Number Windward/Leeward High606.10.9900
Predominantly Upwind611.40.9813
Predominantly Downwind584.71.0262
Predominantly Upwind Low787.70.7617
Predominantly Upwind Medium627.50.9562
Predominantly Upwind High594.81.0087
Predominantly Downwind Low807.90.7427
Predominantly Downwind Medium583.51.0284
Predominantly Downwind High487.51.2307
Chicago-Mac Upwind0.9656
Chicago-Mac All Purpose0.9845
Chicago-Mac Downwind1.0079
Bayview-Mac Cove Island0.9234
Bayview-Mac Shore0.9342
Harvest Moon Regatta500.21.1995
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy596.21.0063
San Francisco Bay Medium685.40.8754
Predominantly Reaching543.11.1047
Predominantly Reaching Low654.90.9162
Predominantly Reaching Medium539.21.1129
Predominantly Reaching High482.91.2425
Windward/Leeward 60-40 Low930.50.6448
Windward/Leeward 60-40 Medium709.00.8462
Windward/Leeward 60-40 High639.60.9381
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1018.70.5890
5-Band Low / Medium853.20.7032
5-Band Medium680.60.8815
5-Band Medium / High614.50.9763
5-Band High588.61.0194

Club
Certificate
2023

Boat

FIFTY-50

USA 34433

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-102 modMeasurement19/05/2021HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.020Max. Beam3.380Draft1.885Displacement4,023Wetted area20.88IMS L8.953LSM08.536Acc. length10.020Sink (kg/mm) 15.43
VCGD0.127VCGM0.197RM Rated (kg·m) 77.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.433PBW0.100PIPA0.0020
PSD0.025PHD0.043PHL0.117
PSA15.0°ESL0.654
ST10.026ST20.094ST30.094
ST40.025ST50.183
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.890IG11.556ISP11.756MDT10.106MDL10.166MDT20.087MDL20.106TL2.830MW0.166GO0.166
E4.582J3.458BAS1.650FSD0.030SFJ0.000SPL3.490WPLTPS3.490BD0.135MWT125.00MCG4.155
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date19/05/2021MeasurerComment
SFFP0.258FFMFF1.161LCFcl5.390SG1.0000
SAFP9.457FAMFA0.878LCFsh5.645HBI0.998
W161.7W261.7W361.7W461.7LCFD8.276
PD1289.8PD2290.4PD3291.2PD4287.7
WD4.585PLM9000.00GSA1.0RSA1.0RM76.9
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3Water PVC Stbd side9503.660.102Water PVC Port side9503.660.101Fuel PVC Centerline0.900045457.140.31Total deductible417.140.31
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Miscellaneous3Battery12V AGM engine, centerline305.460.102Battery12V AGM house, stbd side304.960.101Battery12V AGM house, port side304.960.101EngineYanmar 2GMTotal deductible0

Club
Certificate
2023

Boat

FIFTY-50

USA 34433

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.150.941.722.953.8735.1503/03/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.050.691.332.643.965.2811.09NoNo 29.3605/04/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS211.5511.5511.556.145.9058.6403/03/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA 1.512.3710.3511.365.556.1091%53.5803/03/2021Code 011.6910.5811.144.616.1175%45.5603/03/2021