Club
Certificate
2023

Boat

Lidi

ISR 1

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.5°38.8°37.8°37.6°37.6°38.4°
Beat VMG3.954.785.235.435.535.585.58
52°5.987.007.497.687.787.847.89
60°6.277.237.707.908.008.078.14
75°6.477.417.858.148.328.448.58
90°6.687.628.088.328.518.759.05
110°6.477.528.098.548.959.309.86
120°6.157.378.038.549.019.4110.31
135°5.536.847.698.248.779.3410.78
150°4.675.906.947.648.088.459.27
Run VMG4.045.116.016.627.007.468.31
Gybe Angles143.3°146.6°149.6°150.5°150.7°173.0°175.7°

APH: 507.8

CDL: 10.625

GPH: 565.6

CertNo: 23001

BOAT
ClassX-41DesignerJEPPESENBuilderX YACHTSAge date08/2008Series date01/2006Offset fileX41.OD.offData fileISR1
HULL
Length Overall12.350 mMaximum Beam3.646 mDraft2.502 mDisplacement6,951 kgDLR5.5005IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.450m
CREW
Maximum weight769 kgMinimum weight577 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail52.0953.05Headsail Luffed44.7644.76Headsail FlyingSymmetricAsymmetric133.94133.94 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail15.40Storm Jib14.64Heavy Weather Jib39.52
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
based on I4100 ITA
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  04390002B1BIssued on 17/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Lidi

ISR 1

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG910.8753.5687.9663.4651.4644.9644.7
52°602.2514.2480.5468.8462.8459.2456.4
60°574.0497.9467.7456.0449.9446.1442.3
75°556.5486.1458.5442.3432.8426.7419.8
90°538.5472.3445.7432.4422.8411.2397.7
110°556.2478.7445.2421.6402.5387.0365.3
120°585.7488.6448.2421.4399.5382.8349.2
135°650.6526.7468.2436.8410.3385.3333.9
150°771.1609.8519.0471.0445.7426.0388.5
Run VMG890.4704.2599.3543.6514.4482.4433.5
Selected Courses
Windward / Leeward900.6728.8643.6603.5582.9563.7539.1
All purpose691.6574.1519.8493.2476.9463.3443.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward627.60.9561
All purpose507.81.1815
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8474
Downwind "popa"1.0078
70% up, 30% down "Ilhabela"0.8898
30% up, 70% down "Ilhabela-inverso"0.9536
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Predominantly Upwind547.61.0957
Predominantly Downwind513.61.1682
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low632.80.9481
Triple Number All Purpose Medium504.81.1887
Triple Number All Purpose High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Predominantly Upwind547.61.0957
Predominantly Downwind513.61.1682
Predominantly Upwind Low701.40.8554
Predominantly Upwind Medium567.01.0583
Predominantly Upwind High540.01.1112
Predominantly Downwind Low694.00.8646
Predominantly Downwind Medium512.11.1717
Predominantly Downwind High436.11.3759
Chicago-Mac Upwind1.0779
Chicago-Mac All Purpose1.1114
Chicago-Mac Downwind1.1496
Bayview-Mac Cove Island1.0439
Bayview-Mac Shore1.0518
Victoria-Maui1.2216
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance551.8
Triple Number Coastal/Long Distance Low632.8
Triple Number Coastal/Long Distance Medium504.8
Triple Number Coastal/Long Distance High459.3
Triple Number Windward/Leeward Low814.7
Triple Number Windward/Leeward Medium622.1
Triple Number Windward/Leeward High559.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9481
Triple Number Coastal/Long Distance Medium1.1887
Triple Number Coastal/Long Distance High1.3063
Triple Number Windward/Leeward Low0.7365
Triple Number Windward/Leeward Medium0.9644
Triple Number Windward/Leeward High1.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low632.8
Triple Number Coastal/Long Distance Medium504.8
Triple Number Coastal/Long Distance High459.3
Triple Number Windward/Leeward Low814.7
Triple Number Windward/Leeward Medium622.1
Triple Number Windward/Leeward High559.2
Predominantly Upwind547.6
Predominantly Downwind513.6
Predominantly Reaching490.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9481
Triple Number Coastal/Long Distance Medium1.1887
Triple Number Coastal/Long Distance High1.3063
Triple Number Windward/Leeward Low0.7365
Triple Number Windward/Leeward Medium0.9644
Triple Number Windward/Leeward High1.0729
Coastal/Long Distance1.0873
Predominantly Upwind1.0957
Predominantly Downwind1.1682
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9481
Tretall Distanseseilas Mellomvind1.1887
Tretall Distanseseilas Mye vind1.3063
Tretall Pølsebane Lite vind0.7365
Tretall Pølsebane Mellomvind0.9644
Tretall Pølsebane Mye vind1.0729
Distanseseilas ett tall (OSN 8-16kn)1.0873
Distanseseilas ett tall (APH 6-20kn)1.1815
Enkeltall Motvind1.0957
Enkeltall Medvind1.1682
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Coastal/Long Distance551.81.0873
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind547.61.0957
Predominantly Downwind513.61.1682
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore546.51.0980
Cape Doctor Coastal449.51.3349
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9481
Triple Number Coastal/Long Distance Medium1.1887
Triple Number Coastal/Long Distance High1.3063
Triple Number Windward/Leeward Low0.7365
Triple Number Windward/Leeward Medium0.9644
Triple Number Windward/Leeward High1.0729
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9481
Triple Number Coastal/Long Distance Medium1.1887
Triple Number Coastal/Long Distance High1.3063
Triple Number Windward/Leeward Low0.7365
Triple Number Windward/Leeward Medium0.9644
Triple Number Windward/Leeward High1.0729
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Predominantly Upwind547.61.0957
Predominantly Downwind513.61.1682
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance551.81.0873
Triple Number Coastal/Long Distance Low632.80.9481
Triple Number Coastal/Long Distance Medium504.81.1887
Triple Number Coastal/Long Distance High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance899.6686.5582.5526.1495.5468.6424.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low632.80.9481
Triple Number All Purpose Medium504.81.1887
Triple Number All Purpose High459.31.3063
Triple Number Windward/Leeward Low814.70.7365
Triple Number Windward/Leeward Medium622.10.9644
Triple Number Windward/Leeward High559.21.0729
Predominantly Upwind547.61.0957
Predominantly Downwind513.61.1682
Predominantly Upwind Low701.40.8554
Predominantly Upwind Medium567.01.0583
Predominantly Upwind High540.01.1112
Predominantly Downwind Low694.00.8646
Predominantly Downwind Medium512.11.1717
Predominantly Downwind High436.11.3759
Chicago-Mac Upwind1.0779
Chicago-Mac All Purpose1.1114
Chicago-Mac Downwind1.1496
Bayview-Mac Cove Island1.0439
Bayview-Mac Shore1.0518
Harvest Moon Regatta442.61.3558
Victoria-Maui1.2216
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy542.01.1070
San Francisco Bay Medium610.60.9826
Predominantly Reaching1.2513
Predominantly Reaching Low1.0503
Predominantly Reaching Medium1.2633
Predominantly Reaching High1.4148
Windward/Leeward 60-40 Low818.20.7333
Windward/Leeward 60-40 Medium640.50.9368
Windward/Leeward 60-40 High588.91.0188
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low887.40.6762
5-Band Low / Medium749.00.8011
5-Band Medium613.80.9775
5-Band Medium / High566.21.0598
5-Band High543.31.1043
ORC Ref  04390002B1BIssued on 17/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Lidi

ISR 1

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-41Measurement31/05/2016HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.350Max. Beam3.646Draft2.502Displacement6,951Wetted area30.90IMS L11.116LSM010.811Acc. length11.850Sink (kg/mm) 23.11
VCGD0.023VCGM0.001RM Rated (kg·m) 185.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.450PBW0.118PIPA0.0040
EDL1.890ST10.065ST20.180
ST30.170ST40.112ST50.320
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.080IG17.040ISP18.200MDT10.130MDL10.255MDT20.121MDL20.200TL0.930MW0.255GO0.275
E5.470J4.915BAS1.870FSD0.038SFJ0.285SPL5.018WPLTPS6.315BD0.200MWT202.00MCG5.515
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date25/05/2015Measurer120CommentCONDIZIONI OTTIME
SFFP0.200FFMFF1.442LCFcl6.924SG1.0290
SAFP11.995FAMFA1.092LCFsh7.144HBI1.206
W1114.0W2114.0W3114.0W4114.0
PD1603.2PD2597.6PD3609.1PD4600.9
WD12.400PLM9000.00GSA1.0RSA1.0RM184.7
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGAFixedN.2 PANI PIOMBO FISSATI A MURATA405.700.00BFixedN.4 PANI PIOMBO FISSATI SENTINA605.000.00Fixed Ballast Total100
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAGASOLIO INOX VUOTO0.900090105.900.00BACQUA PVC VUOTO18005.900.00Total deductible95.900.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGABattery2 BATTERIE704.700.00AEngineVOLVO 40 HPTotal deductible0
ORC Ref  04390002B1BIssued on 17/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Lidi

ISR 1

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM20.211.142.043.514.5652.0923/12/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC0.130.771.432.713.955.2016.71NoNo 44.7623/12/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA1.519.4116.8818.158.948.53105%133.9409/09/2020Code0 75%18.4516.7617.616.017.9276%93.7808/09/2018Email Zoran
ORC Ref  04390002B1BIssued on 17/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org