Club Certificate2025
GarfieldFin 8579
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles41.9°41.9°39.8°38.9°37.8°37.3°36.9°36.7°37.5°
Beat VMG2.793.774.464.835.025.135.205.285.22
52°4.285.646.486.877.047.137.197.287.30
60°4.525.896.677.047.217.317.387.487.52
75°4.696.056.807.177.407.557.657.827.93
90°4.555.946.767.197.477.707.908.178.37
110°4.135.626.677.227.587.898.138.458.68
120°3.955.416.497.137.537.898.248.819.19
135°3.444.815.936.777.277.668.048.859.93
150°2.784.025.146.106.847.307.678.439.37
Run VMG2.413.484.455.306.066.667.127.838.55
Gybe Angles144.4°144.4°150.1°153.0°160.1°167.5°177.2°178.1°177.7°
APH ToD:559.8CDL: 9.198APH ToT: 1.0718CertNo:
BOAT
ClassTwostar 36DesignerHakan SodergrenBuilderAge date01/1986Series date01/1986Offset fileTWOSTAR.OFFData fileFIN8579
HULL
Length Overall10.927 mMaximum Beam3.032 mDraft2.049 mDisplacement5,570 kgDLR6.0640IMS DivisionCruiser/RacerDynamic Allowance0.040%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail44.2345.55Headsail Luffed36.5536.55Headsail FlyingSymmetric73.7473.74Asymmetric
STORM SAIL AREAS (m²)
Trysail12.52Storm Jib8.07Heavy Weather Jib21.78
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.
Club Certificate2025
GarfieldFin 8579
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1288.7954.7808.0745.5717.1702.3692.5682.4689.4
52°840.6638.4555.7523.9511.5505.0500.5494.8493.3
60°795.8611.6539.4511.5499.1492.7488.1481.5478.9
75°767.9595.3529.6502.0486.7476.8470.4460.1454.2
90°790.5606.1532.5500.7481.7467.3455.9440.9430.3
110°871.0641.0539.8498.7475.0456.1442.9426.0414.8
120°911.7665.5554.3505.2478.4456.4437.1408.6391.7
135°1047.3749.2606.7531.5495.0470.0447.5406.8362.7
150°1293.3895.6700.1589.8526.1493.2469.4427.0384.1
Run VMG1494.31034.1808.3679.2594.1540.4505.3459.7421.2
Selected Courses
Windward / Leeward1389.0994.4808.2712.3655.6621.3598.9571.0555.3
All purpose1044.9765.1637.8576.7543.0522.3507.6486.5471.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward682.40.8792
All purpose559.81.0718
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7921
Downwind "popa"0.9089
70% up, 30% down "Ilhabela"0.8238
30% up, 70% down "Ilhabela-inverso"0.8704
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Predominantly Upwind599.21.0013
Predominantly Downwind572.21.0486
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low701.50.8554
Triple Number AP Medium557.01.0772
Triple Number AP High503.41.1920
Triple Number Windward/Leeward Low940.70.6378
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Single Number Predominant Upwind619.60.9684
Single Number Predominant Reaching556.41.0784
Single Number Predominant Downwind597.01.0050
Predominant Upwind - Low816.90.7345
Predominant Upwind - Low/Med645.30.9298
Predominant Upwind - Medium583.81.0278
Predominant Upwind - Med/High551.51.0880
Predominant Upwind - High535.61.1202
Predominant Downwind Low866.30.6926
Predominant Downwind Low/Med646.20.9286
Predominant Downwind Medium553.21.0846
Predominant Downwind Med/High495.31.2114
Predominant Downwind High461.21.3010
Predominant Reaching Low749.30.8007
Predominant Reaching Low/Med586.81.0225
Predominant Reaching Medium524.21.1446
Predominant Reaching Med/High486.11.2344
Predominant Reaching High462.51.2974
SA/DSPL Upwind25.56SA/DSPL Downwind37.33
Scoring OptionTODTOT
5-Band Windward/Leeward Low1047.10.5730
5-Band Windward/Leeward Low/Med779.30.7699
5-Band Windward/Leeward Medium667.30.8991
5-Band Windward/Leeward Med/High602.70.9955
5-Band Windward/Leeward High573.11.0469
Windward/Leeward 60-40 Low1038.00.5780
Windward/Leeward 60-40 Low/Med782.30.7670
Windward/Leeward 60-40 Medium678.80.8839
Windward/Leeward 60-40 Med/High621.10.9660
Windward/Leeward 60-40 High595.61.0074
5-Band AP Low776.50.7727
5-Band AP Low/Med621.00.9661
5-Band AP Medium550.11.0907
5-Band AP Med/High509.51.1776
5-Band AP High487.61.2305
5-Band SF Bay Tour - Low900.40.6663
5-Band SF Bay Tour - Low/Med743.80.8066
5-Band SF Bay Tour - Medium645.50.9295
5-Band SF Bay Tour - Med/High590.31.0165
5-Band SF Bay Tour - High563.21.0653
Chicago-Mac Upwind0.9430
Chicago-Mac All Purpose0.9598
Chicago-Mac Downwind0.9692
Bayview-Mac Cove Island0.7151
Bayview-Mac Shore0.7222
Harvest Moon Regatta491.51.2208
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance607.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating607.90.9870
FinRating, kevyt tuuli1029.70.9712
FinRating, kova tuuli490.81.0187
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9870
Triple Number Coastal/Long Distance Low0.8554
Triple Number Coastal/Long Distance Medium1.0773
Triple Number Coastal/Long Distance High1.1920
Triple Number Windward/Leeward Low0.6657
Triple Number Windward/Leeward Medium0.8841
Triple Number Windward/Leeward High1.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
For information
General Purpose Handicap (GPH)624.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low701.4
Triple Number Coastal/Long Distance Medium556.9
Triple Number Coastal/Long Distance High503.4
Triple Number Windward/Leeward Low901.3
Triple Number Windward/Leeward Medium678.7
Triple Number Windward/Leeward High594.1
Predominantly Upwind599.2
Predominantly Downwind572.2
Predominantly Reaching547.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8554
Triple Number Coastal/Long Distance Medium1.0773
Triple Number Coastal/Long Distance High1.1920
Triple Number Windward/Leeward Low0.6657
Triple Number Windward/Leeward Medium0.8841
Triple Number Windward/Leeward High1.0100
Coastal/Long Distance0.9870
Predominantly Upwind1.0013
Predominantly Downwind1.0486
For information
General Purpose Handicap (GPH)624.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0718
Distanseseilas Trippeltall svak vind0.8554
Distanseseilas Trippeltall mellomvind1.0773
Distanseseilas Trippeltall sterk vind1.1920
Pølsebane Trippeltall svak vind0.6657
Pølsebane Trippeltall mellomvind0.8841
Pølsebane Trippeltall sterk vind1.0100
Motvind Singeltall1.0013
Medvind Singeltall1.0486
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Coastal/Long Distance607.90.9870
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind599.21.0013
Predominantly Downwind572.21.0486
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore560.01.0714
Cape Doctor Coastal476.21.2599
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8554
Triple Number Coastal/Long Distance Medium1.0773
Triple Number Coastal/Long Distance High1.1920
Triple Number Windward/Leeward Low0.6657
Triple Number Windward/Leeward Medium0.8841
Triple Number Windward/Leeward High1.0100
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8554
Triple Number Coastal/Long Distance Medium1.0773
Triple Number Coastal/Long Distance High1.1920
Triple Number Windward/Leeward Low0.6657
Triple Number Windward/Leeward Medium0.8841
Triple Number Windward/Leeward High1.0100
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Predominantly Upwind599.21.0013
Predominantly Downwind572.21.0486
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance607.90.9870
Triple Number Coastal/Long Distance Low701.40.8554
Triple Number Coastal/Long Distance Medium556.91.0773
Triple Number Coastal/Long Distance High503.41.1920
Triple Number Windward/Leeward Low901.30.6657
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1487.5998.4762.8645.9578.0541.6512.8467.6453.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low701.50.8554
Triple Number AP Medium557.01.0772
Triple Number AP High503.41.1920
Triple Number Windward/Leeward Low940.70.6378
Triple Number Windward/Leeward Medium678.70.8841
Triple Number Windward/Leeward High594.11.0100
Single Number Predominant Upwind619.60.9684
Single Number Predominant Reaching556.41.0784
Single Number Predominant Downwind597.01.0050
Predominant Upwind - Low816.90.7345
Predominant Upwind - Low/Med645.30.9298
Predominant Upwind - Medium583.81.0278
Predominant Upwind - Med/High551.51.0880
Predominant Upwind - High535.61.1202
Predominant Downwind Low866.30.6926
Predominant Downwind Low/Med646.20.9286
Predominant Downwind Medium553.21.0846
Predominant Downwind Med/High495.31.2114
Predominant Downwind High461.21.3010
Predominant Reaching Low749.30.8007
Predominant Reaching Low/Med586.81.0225
Predominant Reaching Medium524.21.1446
Predominant Reaching Med/High486.11.2344
Predominant Reaching High462.51.2974
SA/DSPL Upwind25.56SA/DSPL Downwind37.33
Scoring OptionTODTOT
5-Band Windward/Leeward Low1047.10.5730
5-Band Windward/Leeward Low/Med779.30.7699
5-Band Windward/Leeward Medium667.30.8991
5-Band Windward/Leeward Med/High602.70.9955
5-Band Windward/Leeward High573.11.0469
Windward/Leeward 60-40 Low1038.00.5780
Windward/Leeward 60-40 Low/Med782.30.7670
Windward/Leeward 60-40 Medium678.80.8839
Windward/Leeward 60-40 Med/High621.10.9660
Windward/Leeward 60-40 High595.61.0074
5-Band AP Low776.50.7727
5-Band AP Low/Med621.00.9661
5-Band AP Medium550.11.0907
5-Band AP Med/High509.51.1776
5-Band AP High487.61.2305
5-Band SF Bay Tour - Low900.40.6663
5-Band SF Bay Tour - Low/Med743.80.8066
5-Band SF Bay Tour - Medium645.50.9295
5-Band SF Bay Tour - Med/High590.31.0165
5-Band SF Bay Tour - High563.21.0653
Chicago-Mac Upwind0.9430
Chicago-Mac All Purpose0.9598
Chicago-Mac Downwind0.9692
Bayview-Mac Cove Island0.7151
Bayview-Mac Shore0.7222
Harvest Moon Regatta491.51.2208
Club Certificate2025
GarfieldFin 8579
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTwostar 36Measurement26/05/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.927Max. Beam3.032Draft2.049Displacement5,570Wetted area25.41IMS L9.723LSM09.720Acc. length9.854Sink (kg/mm) 18.15
VCGD-0.125VCGM-0.127RM Rated (kg·m) 112.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight661Declared crew weight450
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0016
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P13.650IG12.700ISP12.700MDT10.120MDL10.166MDT2MDL2TLTaperMWGO
E5.240J3.750BAS1.500FSDFoilSFJSPL3.720WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/05/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
GarfieldFin 8579
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.171.212.103.524.6044.23
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.711.442.884.315.7512.70NoNo 36.55
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment212.5912.5912.597.066.9073.74
CRUISER/RACER REQUIREMENTS*
Accommodation length9.9 mTable area0.44 m²Headroom1.70 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity78 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity48 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.