Club
Certificate
Non Spinnaker
2023

Boat

MAYFLOWER

Ö-10 N-1

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 Angles40.5°38.8°38.4°38.2°38.2°38.1°37.8°
Beat VMG3.373.944.274.444.544.614.68
52°4.965.716.126.336.436.516.59
60°5.165.906.306.516.626.706.78
75°5.296.046.456.686.836.937.05
90°5.205.986.456.736.927.067.26
110°4.715.636.276.656.917.127.43
120°4.465.406.116.546.837.067.46
135°3.904.885.666.256.626.897.31
150°3.324.235.005.666.176.537.02
Run VMG2.873.694.515.215.836.316.90
Gybe Angles144.8°176.6°179.3°179.3°179.9°179.3°179.9°

APH: 641.6

CDL: 7.455

GPH: 718.7

CertNo: 02151

BOAT
ClassBaltic 10DesignerTore HolmBuilderGamleby YachtvarvAge date01/1952Series date01/1950Offset fileO10N1-.offData fileO10N1
HULL
Length Overall11.850 mMaximum Beam2.550 mDraft2.115 mDisplacement6,909 kgDLR14.0718IMS DivisionCruiser/RacerDynamic Allowance0.630%Age Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeFolding 2 bladesDiameter0.385m
CREW
Maximum weight145 kgMinimum weight85 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.5034.32Headsail Luffed27.5927.59Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail12.39Storm Jib8.54Heavy Weather Jib23.05
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Weighted by measurer.
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  03420002RICIssued on 17/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MAYFLOWER

Ö-10 N-1

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 VMG1069.0914.1843.1811.7793.5781.4769.3
52°726.3630.9588.1569.1559.5553.2546.2
60°698.3610.1571.1552.9543.6537.6531.0
75°680.6596.5558.2538.7527.1519.7510.8
90°692.6601.7558.4535.1520.2509.8495.6
110°764.4639.3574.5541.5521.1505.7484.5
120°808.0666.4589.7550.4526.9509.7482.4
135°922.2737.5635.8576.4543.7522.8492.3
150°1085.5851.3719.6636.4583.4551.3513.0
Run VMG1253.4974.4798.9691.2617.8570.8521.9
Selected Courses
Windward / Leeward1161.2944.3821.0751.4705.7676.1645.6
All purpose894.3743.6663.7620.0592.9575.3554.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward783.10.7661
All purpose641.60.9351
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7021
Downwind "popa"0.7737
70% up, 30% down "Ilhabela"0.7221
30% up, 70% down "Ilhabela-inverso"0.7507
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Predominantly Upwind680.30.8820
Predominantly Downwind663.60.9041
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low818.90.7327
Triple Number All Purpose Medium638.10.9403
Triple Number All Purpose High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Predominantly Upwind680.30.8820
Predominantly Downwind663.60.9041
Predominantly Upwind Low873.40.6869
Predominantly Upwind Medium695.40.8628
Predominantly Upwind High654.60.9166
Predominantly Downwind Low938.10.6396
Predominantly Downwind Medium664.10.9034
Predominantly Downwind High547.11.0968
Chicago-Mac Upwind0.8675
Chicago-Mac All Purpose0.8761
Chicago-Mac Downwind0.8869
Bayview-Mac Cove Island0.8228
Bayview-Mac Shore0.8370
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching609.70.9840
Predominantly Reaching Low751.00.7989
Predominantly Reaching Medium606.90.9886
Predominantly Reaching High538.21.1147
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1144.50.5243
5-Band Low / Medium964.10.6223
5-Band Medium765.10.7843
5-Band Medium / High682.30.8794
5-Band High650.90.9218
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance699.3
Triple Number Coastal/Long Distance Low818.9
Triple Number Coastal/Long Distance Medium638.1
Triple Number Coastal/Long Distance High571.9
Triple Number Windward/Leeward Low1052.6
Triple Number Windward/Leeward Medium779.2
Triple Number Windward/Leeward High672.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9403
Triple Number Coastal/Long Distance High1.0492
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low818.9
Triple Number Coastal/Long Distance Medium638.1
Triple Number Coastal/Long Distance High571.9
Triple Number Windward/Leeward Low1052.6
Triple Number Windward/Leeward Medium779.2
Triple Number Windward/Leeward High672.0
Predominantly Upwind680.3
Predominantly Downwind663.6
Predominantly Reaching629.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9403
Triple Number Coastal/Long Distance High1.0492
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8928
Coastal/Long Distance0.8580
Predominantly Upwind0.8820
Predominantly Downwind0.9041
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7327
Tretall Distanseseilas Mellomvind0.9403
Tretall Distanseseilas Mye vind1.0492
Tretall Pølsebane Lite vind0.5700
Tretall Pølsebane Mellomvind0.7700
Tretall Pølsebane Mye vind0.8928
Distanseseilas ett tall (OSN 8-16kn)0.8580
Distanseseilas ett tall (APH 6-20kn)0.9351
Enkeltall Motvind0.8820
Enkeltall Medvind0.9041
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Coastal/Long Distance699.30.8580
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind680.30.8820
Predominantly Downwind663.60.9041
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore654.70.9164
Cape Doctor Coastal560.71.0701
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9403
Triple Number Coastal/Long Distance High1.0492
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8928
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7327
Triple Number Coastal/Long Distance Medium0.9403
Triple Number Coastal/Long Distance High1.0492
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7700
Triple Number Windward/Leeward High0.8928
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Predominantly Upwind680.30.8820
Predominantly Downwind663.60.9041
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low818.90.7327
Triple Number Coastal/Long Distance Medium638.10.9403
Triple Number Coastal/Long Distance High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1170.4891.9744.7661.7615.5582.0532.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low818.90.7327
Triple Number All Purpose Medium638.10.9403
Triple Number All Purpose High571.91.0492
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium779.20.7700
Triple Number Windward/Leeward High672.00.8928
Predominantly Upwind680.30.8820
Predominantly Downwind663.60.9041
Predominantly Upwind Low873.40.6869
Predominantly Upwind Medium695.40.8628
Predominantly Upwind High654.60.9166
Predominantly Downwind Low938.10.6396
Predominantly Downwind Medium664.10.9034
Predominantly Downwind High547.11.0968
Chicago-Mac Upwind0.8675
Chicago-Mac All Purpose0.8761
Chicago-Mac Downwind0.8869
Bayview-Mac Cove Island0.8228
Bayview-Mac Shore0.8370
Harvest Moon Regatta562.41.0669
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy665.40.9017
San Francisco Bay Medium774.10.7751
Predominantly Reaching609.70.9840
Predominantly Reaching Low751.00.7989
Predominantly Reaching Medium606.90.9886
Predominantly Reaching High538.21.1147
Windward/Leeward 60-40 Low1040.50.5767
Windward/Leeward 60-40 Medium795.30.7545
Windward/Leeward 60-40 High708.70.8466
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1144.50.5243
5-Band Low / Medium964.10.6223
5-Band Medium765.10.7843
5-Band Medium / High682.30.8794
5-Band High650.90.9218
ORC Ref  03420002RICIssued on 17/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MAYFLOWER

Ö-10 N-1

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBaltic 10Measurement11/07/2023HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.850Max. Beam2.550Draft2.115Displacement6,909Wetted area26.62IMS L8.142LSM07.888Acc. length8.287Sink (kg/mm) 13.79
VCGD-0.346VCGM-0.357RM Rated (kg·m) 70.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.385PBW0.100PIPA0.0005
PSDPHDPHL
PSAESL
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P13.080IG13.065ISPMDT10.015MDL10.184MDT2MDL2TLTaperMWGO
E5.410J4.260BAS1.495FSDFoilSFJSPLWPLTPSBD0.125MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/07/2023MeasurerGRE-34Comment
SFFP0.607FFMFF0.763LCFcl6.199SG1.0254
SAFP10.866FAMFA0.862LCFsh6.328HBI0.860
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Fuel, Galvanized, Port10008.110.001Water, Plastic, Port2007.110.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG4MiscellaneousFridge INDEL WEBASTO 1085BA1AA0000C Starboard226.510.003Battery100Ah Closed cell, Motor, Starboard247.81-0.202Battery128Ah Lithium, Service, Starboard155.26-0.301EngineYANMAR 3YM30AE1278.11-0.20Total deductible0
ORC Ref  03420002RICIssued on 17/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MAYFLOWER

Ö-10 N-1

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.831.512.663.6034.5007/11/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.040.541.072.223.494.8411.92NoNo 27.5907/11/2023
ORC Ref  03420002RICIssued on 17/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org