Club
Certificate
2023

Boat

Gefen

ISR 019

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 Angles42.0°40.0°38.4°37.8°37.8°38.2°39.0°
Beat VMG3.814.564.925.075.145.185.15
52°5.736.627.017.157.237.287.31
60°6.006.827.197.357.447.507.56
75°6.186.947.357.607.757.867.98
90°6.076.907.357.687.978.198.44
110°6.027.037.567.928.178.398.80
120°5.876.947.527.998.428.749.31
135°5.306.487.217.718.208.7310.12
150°4.455.556.547.237.698.169.25
Run VMG3.854.815.676.406.997.468.32
Gybe Angles140.3°147.8°151.4°158.3°173.0°177.2°177.2°

APH: 540.5

CDL: 9.137

GPH: 600.7

CertNo: 23019

BOAT
ClassX-35 ODDesignerJEPPESENBuilderX-YACHTSAge date09/2005Series date09/2005Offset filex35.OD+.offData fileISR019
HULL
Length Overall10.600 mMaximum Beam3.250 mDraft2.159 mDisplacement4,488 kgDLR5.9246IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.420m
CREW
Maximum weight603 kgMinimum weight452 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.6042.43Headsail Luffed33.4133.41Headsail FlyingSymmetric106.30106.30Asymmetric
STORM SAIL AREAS (m²)
Trysail12.22Storm Jib10.62Heavy Weather Jib28.66
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
O.D. TRIM
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  04390002B34Issued on 18/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Gefen

ISR 019

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 VMG944.7790.2731.0709.8700.1695.1699.3
52°628.0543.6513.6503.3497.8494.4492.5
60°600.3528.1500.4489.8483.8480.0476.5
75°583.0518.8490.0473.5464.3458.1451.1
90°593.5522.0490.0468.5451.7439.6426.6
110°598.2511.8476.3454.4440.7429.0409.2
120°613.4518.8478.9450.4427.7411.8386.6
135°678.7555.3499.5467.2439.0412.4355.8
150°809.7648.5550.1498.0468.0441.4389.0
Run VMG934.9748.8634.4562.2515.3482.6432.5
Selected Courses
Windward / Leeward939.8769.5682.7636.0607.7588.8565.9
All purpose726.9609.7555.0525.7507.3493.7473.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward660.00.9091
All purpose540.51.1100
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7969
Downwind "popa"0.9743
70% up, 30% down "Ilhabela"0.8430
30% up, 70% down "Ilhabela-inverso"0.9133
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Predominantly Upwind584.21.0271
Predominantly Downwind543.61.1037
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low668.40.8977
Triple Number All Purpose Medium537.81.1156
Triple Number All Purpose High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Predominantly Upwind584.21.0271
Predominantly Downwind543.61.1037
Predominantly Upwind Low736.70.8144
Predominantly Upwind Medium605.80.9904
Predominantly Upwind High580.81.0330
Predominantly Downwind Low732.60.8190
Predominantly Downwind Medium540.01.1112
Predominantly Downwind High450.81.3309
Chicago-Mac Upwind1.0104
Chicago-Mac All Purpose1.0445
Chicago-Mac Downwind1.0850
Bayview-Mac Cove Island0.9837
Bayview-Mac Shore0.9906
Victoria-Maui1.1641
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance586.0
Triple Number Coastal/Long Distance Low668.4
Triple Number Coastal/Long Distance Medium537.8
Triple Number Coastal/Long Distance High489.6
Triple Number Windward/Leeward Low854.7
Triple Number Windward/Leeward Medium655.6
Triple Number Windward/Leeward High585.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8977
Triple Number Coastal/Long Distance Medium1.1156
Triple Number Coastal/Long Distance High1.2256
Triple Number Windward/Leeward Low0.7020
Triple Number Windward/Leeward Medium0.9152
Triple Number Windward/Leeward High1.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low668.4
Triple Number Coastal/Long Distance Medium537.8
Triple Number Coastal/Long Distance High489.6
Triple Number Windward/Leeward Low854.7
Triple Number Windward/Leeward Medium655.6
Triple Number Windward/Leeward High585.0
Predominantly Upwind584.2
Predominantly Downwind543.6
Predominantly Reaching523.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8977
Triple Number Coastal/Long Distance Medium1.1156
Triple Number Coastal/Long Distance High1.2256
Triple Number Windward/Leeward Low0.7020
Triple Number Windward/Leeward Medium0.9152
Triple Number Windward/Leeward High1.0257
Coastal/Long Distance1.0239
Predominantly Upwind1.0271
Predominantly Downwind1.1037
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8977
Tretall Distanseseilas Mellomvind1.1156
Tretall Distanseseilas Mye vind1.2256
Tretall Pølsebane Lite vind0.7020
Tretall Pølsebane Mellomvind0.9152
Tretall Pølsebane Mye vind1.0257
Distanseseilas ett tall (OSN 8-16kn)1.0239
Distanseseilas ett tall (APH 6-20kn)1.1100
Enkeltall Motvind1.0271
Enkeltall Medvind1.1037
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Coastal/Long Distance586.01.0239
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind584.21.0271
Predominantly Downwind543.61.1037
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore572.81.0475
Cape Doctor Coastal479.61.2510
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8977
Triple Number Coastal/Long Distance Medium1.1156
Triple Number Coastal/Long Distance High1.2256
Triple Number Windward/Leeward Low0.7020
Triple Number Windward/Leeward Medium0.9152
Triple Number Windward/Leeward High1.0257
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8977
Triple Number Coastal/Long Distance Medium1.1156
Triple Number Coastal/Long Distance High1.2256
Triple Number Windward/Leeward Low0.7020
Triple Number Windward/Leeward Medium0.9152
Triple Number Windward/Leeward High1.0257
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Predominantly Upwind584.21.0271
Predominantly Downwind543.61.1037
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance586.01.0239
Triple Number Coastal/Long Distance Low668.40.8977
Triple Number Coastal/Long Distance Medium537.81.1156
Triple Number Coastal/Long Distance High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance939.3726.4620.0559.8525.6497.8453.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low668.40.8977
Triple Number All Purpose Medium537.81.1156
Triple Number All Purpose High489.61.2256
Triple Number Windward/Leeward Low854.70.7020
Triple Number Windward/Leeward Medium655.60.9152
Triple Number Windward/Leeward High585.01.0257
Predominantly Upwind584.21.0271
Predominantly Downwind543.61.1037
Predominantly Upwind Low736.70.8144
Predominantly Upwind Medium605.80.9904
Predominantly Upwind High580.81.0330
Predominantly Downwind Low732.60.8190
Predominantly Downwind Medium540.01.1112
Predominantly Downwind High450.81.3309
Chicago-Mac Upwind1.0104
Chicago-Mac All Purpose1.0445
Chicago-Mac Downwind1.0850
Bayview-Mac Cove Island0.9837
Bayview-Mac Shore0.9906
Harvest Moon Regatta470.51.2754
Victoria-Maui1.1641
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy572.91.0472
San Francisco Bay Medium647.20.9271
Predominantly Reaching1.1685
Predominantly Reaching Low0.9853
Predominantly Reaching Medium1.1787
Predominantly Reaching High1.3249
Windward/Leeward 60-40 Low857.20.6999
Windward/Leeward 60-40 Medium677.90.8851
Windward/Leeward 60-40 High623.40.9625
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low926.70.6474
5-Band Low / Medium788.40.7611
5-Band Medium646.20.9285
5-Band Medium / High592.11.0133
5-Band High569.91.0529
ORC Ref  04390002B34Issued on 18/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Gefen

ISR 019

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-35 ODMeasurement04/05/2006HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.600Max. Beam3.250Draft2.159Displacement4,488Wetted area22.87IMS L9.422LSM09.115Acc. length10.563Sink (kg/mm) 17.61
VCGD0.054VCGM0.044RM Rated (kg·m) 111.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.420PBW0.128PIPA0.0033
EDL2.390ST10.042ST20.178
ST30.182ST40.112ST50.255
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.250IG14.500ISP14.530MDT10.125MDL10.185MDT20.122MDL20.140TL1.230MW0.184GO0.204
E4.900J4.185BAS1.745FSD0.034SFJ0.000SPL4.264WPLTPSBD0.220MWT156.00MCG4.600
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date04/05/2006MeasurerComment
SFFP0.075FFMFF1.323LCFcl5.959SG1.0250
SAFP10.275FAMFA0.983LCFsh6.165HBI1.111
W170.0W270.0W370.0W470.0
PD1554.0PD2558.9PD3554.0PD4552.5
WD11.240PLM9000.00GSA1.0RSA1.0RM111.7
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGFixedFixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGSaSDeductibleSailor Services416.110.00Total deductible416.110.00
ORC Ref  04390002B34Issued on 18/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Gefen

ISR 019

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.201.061.893.154.0841.6025/07/2022* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.100.681.252.303.394.4014.60YesNo 33.4125/07/2022One Design Rule
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment114.4414.4414.449.127.69106.3002/08/2022* Copied from legacy *
ORC Ref  04390002B34Issued on 18/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org