International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.9°40.6°39.0°38.2°37.8°38.2°38.4°
Beat VMG3.574.324.845.095.195.255.27
52°5.416.366.927.197.317.387.43
60°5.686.587.097.377.517.597.67
75°5.856.747.237.547.767.928.09
90°5.726.697.267.577.858.108.47
110°5.726.847.457.868.188.418.78
120°5.576.727.397.848.258.629.20
135°5.036.227.057.578.028.469.43
150°4.255.406.377.097.577.998.86
Run VMG3.684.675.536.246.837.348.14
Gybe Angles144.2°148.7°152.3°157.7°168.2°177.2°178.4°

APH: 548.8

CDL: 9.362

GPH: 614.9

CertNo: 00231

BOAT
ClassIMX-38DesignerN.JEPPESENBuilderX-YACHTSAge date04/1996Series date09/1992Offset fileORC0010.OFFData fileGR88IMX
HULL
Length Overall11.360 mMaximum Beam3.660 mDraft2.100 mDisplacement5,463 kgDLR6.2269IMS DivisionPerformanceDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight640 kgMinimum weight480 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.6839.48Headsail Luffed34.7734.77Headsail FlyingSymmetric102.67102.67Asymmetric
STORM SAIL AREAS (m²)
Trysail11.48Storm Jib12.17Heavy Weather Jib32.84
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment135.9 kg·mStability Index112.4
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  03420002F6DIssued on 31/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1009.3832.4744.4707.7693.2686.0683.4
52°665.2566.2520.5500.7492.6488.0484.3
60°633.8546.8507.4488.6479.2474.2469.3
75°615.1534.5497.9477.5463.7454.5445.2
90°629.3538.3496.1475.6458.4444.2424.9
110°629.0526.0483.0458.3440.0428.3410.2
120°646.2535.8487.1458.9436.2417.5391.1
135°715.1579.0510.8475.3448.9425.5381.6
150°846.5667.1565.3507.9475.6450.5406.4
Run VMG977.5770.3651.6577.0526.8490.4442.3
Selected Courses
Windward / Leeward993.4801.3698.0642.4610.0588.2562.9
All purpose768.2633.3565.5530.2509.0494.2473.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward671.10.8941
All purpose548.81.0933
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7841
Downwind "popa"0.9468
70% up, 30% down "Ilhabela"0.8267
30% up, 70% down "Ilhabela-inverso"0.8913
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind593.11.0116
Predominantly Downwind556.51.0781
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low700.80.8562
Triple Number All Purpose Medium545.31.1004
Triple Number All Purpose High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind593.11.0116
Predominantly Downwind556.51.0781
Predominantly Upwind Low776.80.7724
Predominantly Upwind Medium611.10.9818
Predominantly Upwind High574.51.0444
Predominantly Downwind Low765.30.7840
Predominantly Downwind Medium551.91.0871
Predominantly Downwind High460.71.3024
Chicago-Mac Upwind0.9944
Chicago-Mac All Purpose1.0236
Chicago-Mac Downwind1.0596
Bayview-Mac Cove Island0.9535
Bayview-Mac Shore0.9624
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching523.71.1458
Predominantly Reaching Low638.00.9405
Predominantly Reaching Medium518.51.1571
Predominantly Reaching High458.21.3094
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low978.60.6131
5-Band Low / Medium820.90.7309
5-Band Medium654.90.9162
5-Band Medium / High592.21.0132
5-Band High567.31.0577
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance595.9
Triple Number Coastal/Long Distance Low700.8
Triple Number Coastal/Long Distance Medium545.3
Triple Number Coastal/Long Distance High490.2
Triple Number Windward/Leeward Low897.4
Triple Number Windward/Leeward Medium666.1
Triple Number Windward/Leeward High584.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8562
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6686
Triple Number Windward/Leeward Medium0.9008
Triple Number Windward/Leeward High1.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low700.8
Triple Number Coastal/Long Distance Medium545.3
Triple Number Coastal/Long Distance High490.2
Triple Number Windward/Leeward Low897.4
Triple Number Windward/Leeward Medium666.1
Triple Number Windward/Leeward High584.2
Predominantly Upwind593.1
Predominantly Downwind556.5
Predominantly Reaching535.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8562
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6686
Triple Number Windward/Leeward Medium0.9008
Triple Number Windward/Leeward High1.0271
Coastal/Long Distance1.0068
Predominantly Upwind1.0116
Predominantly Downwind1.0781
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8562
Tretall Distanseseilas Mellomvind1.1004
Tretall Distanseseilas Mye vind1.2239
Tretall Pølsebane Lite vind0.6686
Tretall Pølsebane Mellomvind0.9008
Tretall Pølsebane Mye vind1.0271
Distanseseilas ett tall (OSN 8-16kn)1.0068
Distanseseilas ett tall (APH 6-20kn)1.0933
Enkeltall Motvind1.0116
Enkeltall Medvind1.0781
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Coastal/Long Distance595.91.0068
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind593.11.0116
Predominantly Downwind556.51.0781
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore570.51.0518
Cape Doctor Coastal479.91.2502
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8562
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6686
Triple Number Windward/Leeward Medium0.9008
Triple Number Windward/Leeward High1.0271
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8562
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6686
Triple Number Windward/Leeward Medium0.9008
Triple Number Windward/Leeward High1.0271
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind593.11.0116
Predominantly Downwind556.51.0781
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.91.0068
Triple Number Coastal/Long Distance Low700.80.8562
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.8755.5632.9564.7528.0498.8453.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low700.80.8562
Triple Number All Purpose Medium545.31.1004
Triple Number All Purpose High490.21.2239
Triple Number Windward/Leeward Low897.40.6686
Triple Number Windward/Leeward Medium666.10.9008
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind593.11.0116
Predominantly Downwind556.51.0781
Predominantly Upwind Low776.80.7724
Predominantly Upwind Medium611.10.9818
Predominantly Upwind High574.51.0444
Predominantly Downwind Low765.30.7840
Predominantly Downwind Medium551.91.0871
Predominantly Downwind High460.71.3024
Chicago-Mac Upwind0.9944
Chicago-Mac All Purpose1.0236
Chicago-Mac Downwind1.0596
Bayview-Mac Cove Island0.9535
Bayview-Mac Shore0.9624
Harvest Moon Regatta478.11.2549
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy573.11.0469
San Francisco Bay Medium659.30.9100
Predominantly Reaching523.71.1458
Predominantly Reaching Low638.00.9405
Predominantly Reaching Medium518.51.1571
Predominantly Reaching High458.21.3094
Windward/Leeward 60-40 Low902.00.6652
Windward/Leeward 60-40 Medium686.70.8737
Windward/Leeward 60-40 High619.10.9692
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low978.60.6131
5-Band Low / Medium820.90.7309
5-Band Medium654.90.9162
5-Band Medium / High592.21.0132
5-Band High567.31.0577
ORC Ref  03420002F6DIssued on 31/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIMX-38Measurement11/03/2006HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.360Max. Beam3.660Draft2.100Displacement5,463Wetted area26.06IMS L9.820LSM09.572Acc. length11.360Sink (kg/mm) 19.60
VCGD-0.020VCGM0.045RM Rated (kg·m) 135.9Limit of positive stability(°) 113.1Stability Index112.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.110PIPA0.0031
EDL1.480ST10.048ST20.170
ST30.170ST40.097ST50.280
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P13.380IG15.500ISP15.453MDT10.117MDL10.200MDT20.116MDL20.160TL1.600MW0.160GO0.187
E4.900J4.390BAS1.848FSD0.042SFJ0.260SPL4.575WPLTPSBD0.190MWT180.00MCG5.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date13/05/2017MeasurerGRE-16Comment
SFFP1.098FFM1.219FF1.219LCFcl6.238SG1.0265
SAFP10.595FAM0.957FA0.957LCFsh6.491HBI1.089
W180.0W280.0W380.0W480.0
PD1259.0PD2259.0PD3259.0PD4259.0
WD12.260PLM2069.00GSA50.2RSA5941.7RM136.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2FUEL INOX 6 LT0.90008066.501WATER PVC EMPTY12006.30Total deductible56.50
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery70Ah, port196.701Battery3 x 75Ah, centerline606.601EngineVOLVO PENTA 2030Total deductible0
ORC Ref  03420002F6DIssued on 31/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment40.180.981.813.114.1138.6812/09/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment100.150.731.322.333.304.2615.30YesNo 34.7712/09/2019J1 L90.130.711.272.283.284.2815.36NoNo 34.5306/07/2017#360.090.581.092.143.224.2815.38NoNo 33.1629/07/2010113.5815.30NoInner 27.8809/06/2011staysail
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment915.1815.1815.188.177.90102.6712/09/2019S1.5-1
ORC Ref  03420002F6DIssued on 31/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org