Club
Certificate
Non Spinnaker
2022

Boat

ELPIDA

GRE-1874

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 Angles46.5°44.8°43.6°43.8°44.1°43.2°44.1°
Beat VMG2.292.803.163.463.713.863.80
52°3.604.324.865.325.615.765.77
60°3.854.585.165.585.815.956.02
75°4.024.785.415.765.986.146.35
90°3.954.725.405.796.036.236.52
110°3.654.505.255.766.056.286.73
120°3.504.365.085.665.996.226.69
135°3.164.024.725.365.796.056.47
150°2.583.384.064.625.185.646.16
Run VMG2.353.113.794.384.935.446.03
Gybe Angles170.0°171.2°171.8°173.0°173.0°174.8°177.2°

APH: 783.1

CDL: 5.377

GPH: 892.2

CertNo: 01308

BOAT
ClassCOBRA 850DesignerDavid FelthamBuilderCOBRA YACHTSAge date12/1978Series date01/1978Offset fileGR0009.BOFData fileGR1874
HULL
Length Overall8.170 mMaximum Beam2.890 mDraft1.433 mDisplacement3,514 kgDLR11.2672IMS DivisionCruiser/RacerDynamic Allowance0.728%Age Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeSolid 3 bladesDiameter0.350m
CREW
Maximum weight300 kgMinimum weight215 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail12.1312.12Headsail Luffed21.1621.16Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail4.27Storm Jib6.04Heavy Weather Jib16.31
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting Moment49.4 kg·mStability IndexN/A
COMMENTS
Builder's displacement.
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  03420001VK0Issued on 06/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2022

Boat

ELPIDA

GRE-1874

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 VMG1573.71284.61137.81040.5969.1933.0946.2
52°1001.1832.5741.3676.7642.0625.5623.8
60°934.4786.2697.5645.7619.5605.0598.2
75°896.0753.0665.7624.6602.1586.4566.7
90°912.3763.3667.2621.5596.9578.3552.0
110°985.7799.3686.2624.5594.6573.1535.1
120°1028.1826.0708.4635.6601.3578.5538.4
135°1140.3895.2763.1671.4621.7594.8556.8
150°1393.41064.3887.3778.7695.4638.1584.7
Run VMG1533.11158.7949.4821.3730.5662.1596.6
Selected Courses
Windward / Leeward1553.41221.71043.6930.9849.8797.6771.4
All purpose1192.1957.3827.4747.9696.5664.7641.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward976.10.6147
All purpose783.10.7662
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.5327
Downwind "popa"0.6510
70% up, 30% down "Ilhabela"0.5634
30% up, 70% down "Ilhabela-inverso"0.6103
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Predominantly Upwind845.40.7097
Predominantly Downwind797.30.7525
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low1074.70.5583
Triple Number All Purpose Medium779.00.7702
Triple Number All Purpose High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Predominantly Upwind845.40.7097
Predominantly Downwind797.30.7525
Predominantly Upwind Low1189.50.5044
Predominantly Upwind Medium875.70.6852
Predominantly Upwind High773.50.7757
Predominantly Downwind Low1175.30.5105
Predominantly Downwind Medium788.40.7610
Predominantly Downwind High629.60.9529
Chicago-Mac Upwind0.6912
Chicago-Mac All Purpose0.7117
Chicago-Mac Downwind0.7355
Bayview-Mac Cove Island0.6515
Bayview-Mac Shore0.6612
Victoria-Maui0.7828
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance858.6
Triple Number Coastal/Long Distance Low1074.7
Triple Number Coastal/Long Distance Medium779.0
Triple Number Coastal/Long Distance High664.1
Triple Number Windward/Leeward Low1387.6
Triple Number Windward/Leeward Medium972.4
Triple Number Windward/Leeward High800.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.5583
Triple Number Coastal/Long Distance Medium0.7702
Triple Number Coastal/Long Distance High0.9035
Triple Number Windward/Leeward Low0.4324
Triple Number Windward/Leeward Medium0.6170
Triple Number Windward/Leeward High0.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low1074.7
Triple Number Coastal/Long Distance Medium779.0
Triple Number Coastal/Long Distance High664.1
Triple Number Windward/Leeward Low1387.6
Triple Number Windward/Leeward Medium972.4
Triple Number Windward/Leeward High800.9
Predominantly Upwind845.4
Predominantly Downwind797.3
Predominantly Reaching757.9
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.5583
Triple Number Coastal/Long Distance Medium0.7702
Triple Number Coastal/Long Distance High0.9035
Triple Number Windward/Leeward Low0.4324
Triple Number Windward/Leeward Medium0.6170
Triple Number Windward/Leeward High0.7492
Coastal/Long Distance0.6988
Predominantly Upwind0.7097
Predominantly Downwind0.7525
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.6988
Tretall Distanseseilas Lite vind0.5583
Tretall Distanseseilas Mellomvind0.7702
Tretall Distanseseilas Mye vind0.9035
Tretall Pølsebane Lite vind0.4324
Tretall Pølsebane Mellomvind0.6170
Tretall Pølsebane Mye vind0.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Coastal/Long Distance858.60.6988
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind845.40.7097
Predominantly Downwind797.30.7525
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore779.20.7700
Cape Doctor Coastal648.60.9250
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.5583
Triple Number Coastal/Long Distance Medium0.7702
Triple Number Coastal/Long Distance High0.9035
Triple Number Windward/Leeward Low0.4324
Triple Number Windward/Leeward Medium0.6170
Triple Number Windward/Leeward High0.7492
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.5583
Triple Number Coastal/Long Distance Medium0.7702
Triple Number Coastal/Long Distance High0.9035
Triple Number Windward/Leeward Low0.4324
Triple Number Windward/Leeward Medium0.6170
Triple Number Windward/Leeward High0.7492
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Predominantly Upwind845.40.7097
Predominantly Downwind797.30.7525
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance858.60.6988
Triple Number Coastal/Long Distance Low1074.70.5583
Triple Number Coastal/Long Distance Medium779.00.7702
Triple Number Coastal/Long Distance High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1551.41149.3938.7806.5726.2672.0607.3
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low1074.70.5583
Triple Number All Purpose Medium779.00.7702
Triple Number All Purpose High664.10.9035
Triple Number Windward/Leeward Low1387.60.4324
Triple Number Windward/Leeward Medium972.40.6170
Triple Number Windward/Leeward High800.90.7492
Predominantly Upwind845.40.7097
Predominantly Downwind797.30.7525
Predominantly Upwind Low1189.50.5044
Predominantly Upwind Medium875.70.6852
Predominantly Upwind High773.50.7757
Predominantly Downwind Low1175.30.5105
Predominantly Downwind Medium788.40.7610
Predominantly Downwind High629.60.9529
Chicago-Mac Upwind0.6912
Chicago-Mac All Purpose0.7117
Chicago-Mac Downwind0.7355
Bayview-Mac Cove Island0.6515
Bayview-Mac Shore0.6612
Harvest Moon Regatta673.00.8915
Victoria-Maui0.7828
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low1527.90.3927
5-Band Low / Medium1254.30.4783
5-Band Medium949.10.6322
5-Band Medium / High813.30.7377
5-Band High775.90.7733
ORC Ref  03420001VK0Issued on 06/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2022

Boat

ELPIDA

GRE-1874

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCOBRA 850Measurement02/08/2018HINPlan reviewHull constructionSolidAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.170Max. Beam2.890Draft1.433Displacement3,514Wetted area17.39IMS L6.634LSM06.781Acc. length8.170Sink (kg/mm) 10.99
VCGD-0.209VCGM-0.066RM Measured (kg·m) 49.4RM Default (kg·m) 49.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.350PBW0.090PIPA0.0073
PSDPHDPHL
PSAESL
RIG
Forestay tensionFixedInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1
P9.550IG10.990ISP11.000MDT10.100MDL10.135MDT2MDL2TLNo TaperMWGO
E2.550J3.300BAS1.450FSDFoilSFJSPLWPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date01/01/2013MeasurerComment
SFFP0.486FFMFF1.363LCFcl4.485SG1.0246
SAFP7.818FAMFA0.981LCFsh4.717HBI1.170
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03420001VK0Issued on 06/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2022

Boat

ELPIDA

GRE-1874

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentM10.120.390.671.221.8612.1302/08/2018Unknown
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentj10.040.500.972.023.214.499.94NoNo 21.1602/08/2018Unknown
ORC Ref  03420001VK0Issued on 06/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org