Club
Certificate
2024

Boat

Tuulahdus

FIN 457

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles46.3°45.3°45.3°44.6°43.7°42.2°43.4°46.3°
Beat VMG2.212.672.993.243.433.563.553.34
52°3.474.154.594.875.085.215.283.96
60°3.704.354.775.035.245.425.575.55
75°3.974.675.065.365.605.765.996.11
90°4.174.845.235.575.906.186.616.80
110°4.094.815.225.585.936.327.619.41
120°3.944.705.145.495.846.217.3710.71
135°3.584.394.935.285.615.946.748.55
150°3.093.864.514.985.305.616.257.20
Run VMG2.673.354.014.604.995.285.866.52
Gybe Angles145.6°146.2°172.1°177.2°179.0°179.0°179.0°178.0°
APH ToD:798.4CDL: 4.131APH ToT: 0.7515CertNo:
BOAT
ClassJoe 17DesignerHans GroopBuilderAge dateSeries date01/1978Offset fileJOEMARIN17.offData fileFIN457
HULL
Length Overall5.200 mMaximum Beam2.000 mDraft0.783 mDisplacement595 kgDLR7.1787IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(declared)Minimum weight130 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail8.758.99Headsail Luffed6.076.07Headsail FlyingSymmetric14.9914.99Asymmetric15.0015.00 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail2.49Storm Jib1.52Heavy Weather Jib4.09
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
JOEMARIN 17
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
Certificate
2024

Boat

Tuulahdus

FIN 457

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1627.41347.51203.31112.11049.21010.51015.11077.4
52°1036.8868.5783.9738.6708.7690.5681.5908.7
60°973.9826.7755.2716.2687.2664.8646.0648.8
75°907.4770.8710.9671.8642.4625.1600.9589.2
90°864.3743.2688.7646.7610.6582.7544.4529.5
110°880.3748.5689.7645.6607.3569.7473.3382.6
120°912.8765.5700.2655.4616.5580.0488.3336.1
135°1006.0820.2730.2681.4641.3606.5534.4421.2
150°1166.9931.9798.1722.4678.9641.7576.3500.1
Run VMG1347.41076.0898.8783.4721.8681.5614.4552.5
Selected Courses
Windward / Leeward1487.41211.81051.0947.8885.5846.0814.7815.0
All purpose1135.4939.4837.2773.0729.1697.3656.5636.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward992.50.6045
All purpose798.40.7515
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5021
Downwind "popa"0.6859
70% up, 30% down "Ilhabela"0.5460
30% up, 70% down "Ilhabela-inverso"0.6180
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Predominantly Upwind881.40.6807
Predominantly Downwind792.00.7575
Custom scoring options for Canada
Scoring OptionTODTOT
Predominant Upwind880.40.6815
Predominant Reaching760.00.7894
Predominant Downwind760.00.7894
Predominant Upwind - Low1174.40.5109
Predominant Upwind - Low/Med981.50.6113
Predominant Upwind - Medium853.10.7033
Predominant Upwind - Med/High774.70.7745
Predominant Upwind - High763.10.7862
Predominant Reaching Low995.60.6027
Predominant Reaching Low/Med836.20.7175
Predominant Reaching Medium729.30.8227
Predominant Reaching Med/High654.90.9162
Predominant Reaching High617.30.9720
Predominant Downwind Low995.60.6027
Predominant Downwind Low/Med900.00.6667
Predominant Downwind Medium762.70.7867
Predominant Downwind Med/High672.20.8926
Predominant Downwind High619.90.9679
Harvest Moon Regatta670.40.8950
Chicago-Mac Upwind0.6650
Chicago-Mac All Purpose0.7025
Chicago-Mac Downwind0.7449
Bayview-Mac Cove Island0.6481
Bayview-Mac Shore0.6486
Scoring OptionTODTOT
5-Band Windward/Leeward Low1424.80.4211
5-Band Windward/Leeward Low/Med1156.70.5187
5-Band Windward/Leeward Medium968.10.6197
5-Band Windward/Leeward Med/High856.00.7009
5-Band Windward/Leeward High820.20.7315
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Windward/Leeward 60-40 Low1452.70.4130
Windward/Leeward 60-40 Low/Med1186.00.5059
Windward/Leeward 60-40 Medium1000.10.6000
Windward/Leeward 60-40 Med/High890.10.6741
Windward/Leeward 60-40 High861.20.6967
5-Band AP Low1090.90.5500
5-Band AP Low/Med907.70.6610
5-Band AP Medium783.90.7654
5-Band AP Med/High702.20.8545
5-Band AP High660.10.9089
Triple Number AP Low1037.40.5783
Triple Number AP Medium797.40.7525
Triple Number AP High690.00.8696
5-Band SF Bay Tour - Low1361.80.4406
5-Band SF Bay Tour - Low/Med1114.20.5385
5-Band SF Bay Tour - Medium943.70.6358
5-Band SF Bay Tour - Med/High839.90.7144
5-Band SF Bay Tour - High803.60.7467
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance873.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5783
Triple Number Coastal/Long Distance Medium0.7526
Triple Number Coastal/Long Distance High0.8696
Triple Number Windward/Leeward Low0.4446
Triple Number Windward/Leeward Medium0.6069
Triple Number Windward/Leeward High0.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low1037.5
Triple Number Coastal/Long Distance Medium797.2
Triple Number Coastal/Long Distance High690.0
Triple Number Windward/Leeward Low1349.5
Triple Number Windward/Leeward Medium988.6
Triple Number Windward/Leeward High844.1
Predominantly Upwind881.4
Predominantly Downwind792.0
Predominantly Reaching760.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5783
Triple Number Coastal/Long Distance Medium0.7526
Triple Number Coastal/Long Distance High0.8696
Triple Number Windward/Leeward Low0.4446
Triple Number Windward/Leeward Medium0.6069
Triple Number Windward/Leeward High0.7108
Coastal/Long Distance0.6866
Predominantly Upwind0.6807
Predominantly Downwind0.7575
For information
General Purpose Handicap (GPH)898.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.5783
Tretall Distanseseilas Mellomvind0.7526
Tretall Distanseseilas Mye vind0.8696
Tretall Pølsebane Lite vind0.4446
Tretall Pølsebane Mellomvind0.6069
Tretall Pølsebane Mye vind0.7108
Distanseseilas ett tall (OSN 8-16kn)0.6866
Distanseseilas ett tall (APH 6-20kn)0.7515
Enkeltall Motvind0.6807
Enkeltall Medvind0.7575
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Coastal/Long Distance873.90.6866
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind881.40.6807
Predominantly Downwind792.00.7575
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore814.90.7363
Cape Doctor Coastal642.70.9336
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5783
Triple Number Coastal/Long Distance Medium0.7526
Triple Number Coastal/Long Distance High0.8696
Triple Number Windward/Leeward Low0.4446
Triple Number Windward/Leeward Medium0.6069
Triple Number Windward/Leeward High0.7108
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5783
Triple Number Coastal/Long Distance Medium0.7526
Triple Number Coastal/Long Distance High0.8696
Triple Number Windward/Leeward Low0.4446
Triple Number Windward/Leeward Medium0.6069
Triple Number Windward/Leeward High0.7108
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Predominantly Upwind881.40.6807
Predominantly Downwind792.00.7575
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance873.90.6866
Triple Number Coastal/Long Distance Low1037.50.5783
Triple Number Coastal/Long Distance Medium797.20.7526
Triple Number Coastal/Long Distance High690.00.8696
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1473.41132.8945.3829.9758.8702.9613.0565.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Predominant Upwind880.40.6815
Predominant Reaching760.00.7894
Predominant Downwind760.00.7894
Predominant Upwind - Low1174.40.5109
Predominant Upwind - Low/Med981.50.6113
Predominant Upwind - Medium853.10.7033
Predominant Upwind - Med/High774.70.7745
Predominant Upwind - High763.10.7862
Predominant Reaching Low995.60.6027
Predominant Reaching Low/Med836.20.7175
Predominant Reaching Medium729.30.8227
Predominant Reaching Med/High654.90.9162
Predominant Reaching High617.30.9720
Predominant Downwind Low995.60.6027
Predominant Downwind Low/Med900.00.6667
Predominant Downwind Medium762.70.7867
Predominant Downwind Med/High672.20.8926
Predominant Downwind High619.90.9679
Harvest Moon Regatta670.40.8950
Chicago-Mac Upwind0.6650
Chicago-Mac All Purpose0.7025
Chicago-Mac Downwind0.7449
Bayview-Mac Cove Island0.6481
Bayview-Mac Shore0.6486
Scoring OptionTODTOT
5-Band Windward/Leeward Low1424.80.4211
5-Band Windward/Leeward Low/Med1156.70.5187
5-Band Windward/Leeward Medium968.10.6197
5-Band Windward/Leeward Med/High856.00.7009
5-Band Windward/Leeward High820.20.7315
Triple Number Windward/Leeward Low1349.50.4446
Triple Number Windward/Leeward Medium988.60.6069
Triple Number Windward/Leeward High844.10.7108
Windward/Leeward 60-40 Low1452.70.4130
Windward/Leeward 60-40 Low/Med1186.00.5059
Windward/Leeward 60-40 Medium1000.10.6000
Windward/Leeward 60-40 Med/High890.10.6741
Windward/Leeward 60-40 High861.20.6967
5-Band AP Low1090.90.5500
5-Band AP Low/Med907.70.6610
5-Band AP Medium783.90.7654
5-Band AP Med/High702.20.8545
5-Band AP High660.10.9089
Triple Number AP Low1037.40.5783
Triple Number AP Medium797.40.7525
Triple Number AP High690.00.8696
5-Band SF Bay Tour - Low1361.80.4406
5-Band SF Bay Tour - Low/Med1114.20.5385
5-Band SF Bay Tour - Medium943.70.6358
5-Band SF Bay Tour - Med/High839.90.7144
5-Band SF Bay Tour - High803.60.7467

Club
Certificate
2024

Boat

Tuulahdus

FIN 457

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJoe 17MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA5.200Max. Beam2.000Draft0.783Displacement595Wetted area6.48IMS L4.656LSM04.361Acc. length5.448Sink (kg/mm) 4.69
VCGD-0.161VCGM-0.083RM Rated (kg·m) 8.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight211Declared crew weight170
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders1Rotating mastNo
P6.050IG5.500ISP5.500MDT10.088MDL10.090MDT2MDL2TLMWGO
E2.350J1.800BAS1.200FSDSFJSPL1.880WPLTPS2.350BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date16/04/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

Tuulahdus

FIN 457

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.250.540.941.572.008.75
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment12.155.55NoNo 6.07
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment15.005.005.003.6514.99
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment15.604.004.803.554.5578%15.00
CRUISER/RACER REQUIREMENTS*
Accommodation length5.4 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity-6 lMinimum number of seats in cockpit 4 Food stowage0.12 m³Fuel capacity20 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.