Club Certificate2026
ARIELFIN-15001
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 Angles46.0°43.2°41.0°39.4°38.5°38.1°37.8°38.5°39.7°
Beat VMG2.773.904.715.185.385.495.565.625.53
52°4.355.946.957.457.657.767.837.917.91
60°4.706.257.197.667.877.978.058.158.18
75°4.976.477.357.818.098.278.398.578.66
90°4.836.367.307.828.168.448.668.989.20
110°4.265.987.197.868.298.638.869.279.62
120°4.105.807.037.778.248.679.089.7310.26
135°3.565.166.437.357.948.408.869.9311.38
150°2.944.345.556.607.417.958.389.3210.53
Run VMG2.553.764.815.736.517.167.688.509.38
Gybe Angles138.4°143.9°148.0°152.1°157.0°164.4°170.5°175.9°167.3°
APH ToD:517.9CDL: 10.539APH ToT: 1.1585CertNo:
BOAT
ClassFinnGulf 41DesignerKamu StrahlmanBuilderFinnGulf YachtsAge date07/2001Series date06/2001Offset fileFINNGULF41-DK.offData fileFIN15001
HULL
Length Overall12.495 mMaximum Beam3.844 mDraft2.196 mDisplacement7,495 kgDLR5.8954IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.254%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.454m
CREW
Maximum weight650 kg(declared)Minimum weight520 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.3752.32Headsail Luffed52.1252.12Headsail FlyingSymmetric111.32111.32Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail15.15Storm Jib13.43Heavy Weather Jib36.24
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 193.5 kg·m Stability Index 116.0
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  04140004S6P Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ARIELFIN-15001
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 VMG1300.9922.7764.2695.3668.6655.4647.3641.0650.5
52°827.1605.7518.0483.3470.4464.1459.8455.3455.3
60°765.7575.7500.5470.3457.6451.6447.2441.6440.3
75°724.8556.3489.8460.7445.0435.3429.2420.2415.8
90°744.6566.2493.2460.6441.1426.5415.5401.1391.1
110°844.7601.8500.4457.9434.5417.3406.2388.3374.0
120°877.5620.7512.2463.6436.7415.2396.5369.9350.8
135°1010.6697.0559.9489.5453.6428.8406.2362.5316.3
150°1223.6829.7648.1545.4485.9453.0429.5386.3341.8
Run VMG1412.9958.1748.3628.6553.1502.9468.9423.5383.9
Selected Courses
Windward / Leeward1356.9940.4756.3662.0610.9579.1558.1532.3517.2
All purpose1016.3720.9594.2533.2501.3481.5467.5447.2432.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward636.60.9426
All purpose517.91.1585
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8409
Downwind "popa"0.9805
70% up, 30% down "Ilhabela"0.8784
30% up, 70% down "Ilhabela-inverso"0.9340
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Predominantly Upwind556.31.0786
Predominantly Downwind528.81.1346
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP538.81.1137 Predom. Rc High421.61.4230 5B SF Bay L/M692.70.8662 TriNum AP Low657.60.9125 Predom. Dn Low815.60.7357 5B SF Bay Med600.30.9995 TriNum AP Med514.81.1655 Predom. Dn L/M599.01.0016 5B SF Bay M/H548.51.0939 TriNum AP High463.41.2948 Predom. Dn Med510.81.1747 5B SF Bay High523.11.1470 TriNum W/L Low889.80.6743 Predom. Dn M/H455.11.3182 5B AP Low733.40.8181 TriNum W/L Med632.10.9492 Predom. Dn High420.91.4255 5B AP L/M577.61.0387 TriNum W/L Hig553.71.0837 ChiMac Up Low691.20.8680 5B AP Med508.21.1807 Predom. Upwind578.31.0375 ChiMac Up Med627.90.9555 5B AP M/H469.31.2785 Predom. Reaching514.81.1654 ChiMac Up High554.31.0825 5B AP High448.21.3386 Predom. Downwind553.41.0842 ChiMac Off Low699.70.8575 5B W/L Low998.50.6009 Predom. Up Low782.10.7672 ChiMac Off Med616.80.9728 5B W/L L/M728.70.8234 Predom. Up L/M602.40.9960 ChiMac Off High518.41.1574 5B W/L Med621.70.9650 Predom. Up Med540.51.1100 ChiMac AP Low691.50.8677 5B W/L M/H561.71.0681 Predom. Up M/H509.71.1772 ChiMac AP Med619.60.9684 5B W/L High534.11.1233 Predom. Up High495.11.2118 ChiMac AP High534.71.1221 W/L 60-40 Low994.30.6034 Predom. Rc Low707.50.8481 BayMac Cove Island797.00.7528 W/L 60-40 L/M732.80.8188 Predom. Rc L/M544.01.1030 BayMac Shore789.20.7603 W/L 60-40 Med632.80.9482 Predom. Rc Med482.51.2435 Harvest Moon456.61.3141 W/L 60-40 M/H579.31.0358 Predom. Rc M/H445.11.3479 5B SF Bay Low836.50.7173 W/L 60-40 High556.11.0790      SA/DSPL Up26.84SA/DSPL Dn42.19
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance563.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating563.51.0648
FinRating, kevyt tuuli983.71.0166
FinRating, kova tuuli450.81.1091
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0648
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1657
Triple Number Coastal/Long Distance High1.2948
Triple Number Windward/Leeward Low0.7073
Triple Number Windward/Leeward Medium0.9492
Triple Number Windward/Leeward High1.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
For information
General Purpose Handicap (GPH)579.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Saronikos S All Purpose582.91.0293
Saronikos S Upwind646.30.9284
Saronikos S Downwind510.01.1765
Saronikos N All Purpose614.60.9762
Saronikos N Upwind673.40.8911
Saronikos N Downwind558.81.0738
Saronikos SW All Purpose585.91.0241
Saronikos SW Upwind660.00.9091
Saronikos SW Downwind517.71.1590
Saronikos NE All Purpose639.00.9389
Saronikos NE Upwind631.70.9498
Saronikos NE Downwind630.30.9519
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose538.81.1137
5-Band All Purpose Low794.00.7557
5-Band All Purpose L/M598.71.0022
5-Band All Purpose Med524.51.1440
5-Band All Purpose M/H481.61.2459
5-Band All Purpose High457.71.3110
Single Number Predominant Upwind554.71.0817
Single Number Predominant Reaching495.81.2103
Single Number Predominant Downwind529.91.1324
5-Band 50-50 Windward/Leeward Low998.50.6009
5-Band 50-50 Windward/Leeward L/M728.70.8234
5-Band 50-50 Windward/Leeward Med621.70.9650
5-Band 50-50 Windward/Leeward M/H561.71.0681
5-Band 50-50 Windward/Leeward High534.11.1233
5-Band 60-40 Windward/Leeward Low994.30.6034
5-Band 60-40 Windward/Leeward L/M732.80.8188
5-Band 60-40 Windward/Leeward Med632.80.9482
5-Band 60-40 Windward/Leeward M/H579.31.0358
5-Band 60-40 Windward/Leeward High556.11.0790
Triple Number 50-50 Windward/Leeward Low889.80.6743
Triple Number 50-50 Windward/Leeward Med632.20.9491
Triple Number 50-50 Windward/Leeward High553.71.0837
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward647.30.9270
Triple Number 60-40 Windward/Leeward Low888.30.6755
Triple Number 60-40 Windward/Leeward Med642.20.9343
Triple Number 60-40 Windward/Leeward High572.31.0483
Triple Number All-Purpose Low714.40.8399
Triple Number All-Purpose Med531.61.1286
Triple Number All-Purpose High475.01.2632
Triple Number Predominant Upwind Low715.50.8386
Triple Number Predominant Upwind Med548.31.0944
Triple Number Predominant Upwind High510.41.1756
Triple Number Predominant Reaching Low644.40.9311
Triple Number Predominant Reaching Med496.21.2092
Triple Number Predominant Reaching High431.01.3922
Triple Number Predominant Downwind Low726.50.8259
Triple Number Predominant Downwind Med520.91.1519
Triple Number Predominant Downwind High437.41.3717
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low657.5
Triple Number Coastal/Long Distance Medium514.7
Triple Number Coastal/Long Distance High463.4
Triple Number Windward/Leeward Low848.3
Triple Number Windward/Leeward Medium632.1
Triple Number Windward/Leeward High553.7
Predominantly Upwind556.3
Predominantly Downwind528.8
Predominantly Reaching505.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1657
Triple Number Coastal/Long Distance High1.2948
Triple Number Windward/Leeward Low0.7073
Triple Number Windward/Leeward Medium0.9492
Triple Number Windward/Leeward High1.0837
Coastal/Long Distance1.0648
Predominantly Upwind1.0786
Predominantly Downwind1.1346
For information
General Purpose Handicap (GPH)579.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1585
Distanseseilas Trippeltall svak vind0.9125
Distanseseilas Trippeltall mellomvind1.1657
Distanseseilas Trippeltall sterk vind1.2948
Pølsebane Trippeltall svak vind0.7073
Pølsebane Trippeltall mellomvind0.9492
Pølsebane Trippeltall sterk vind1.0837
Motvind Singeltall1.0786
Medvind Singeltall1.1346
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Coastal/Long Distance563.51.0648
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind556.31.0786
Predominantly Downwind528.81.1346
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore521.71.1500
Cape Doctor Coastal437.11.3728
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1657
Triple Number Coastal/Long Distance High1.2948
Triple Number Windward/Leeward Low0.7073
Triple Number Windward/Leeward Medium0.9492
Triple Number Windward/Leeward High1.0837
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1657
Triple Number Coastal/Long Distance High1.2948
Triple Number Windward/Leeward Low0.7073
Triple Number Windward/Leeward Medium0.9492
Triple Number Windward/Leeward High1.0837
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Predominantly Upwind556.31.0786
Predominantly Downwind528.81.1346
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.51.0648
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium514.71.1657
Triple Number Coastal/Long Distance High463.41.2948
Triple Number Windward/Leeward Low848.30.7073
Triple Number Windward/Leeward Medium632.10.9492
Triple Number Windward/Leeward High553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1362.5942.2712.7598.7534.7499.6471.8428.2413.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP538.81.1137 Predom. Dn High420.91.4255 5B AP M/H469.31.2785 TriNum AP Low657.60.9125 Predom. Rc Low707.50.8481 5B AP High448.21.3386 TriNum AP Med514.81.1655 Predom. Rc L/M544.01.1030 5B SF Bay Low836.50.7173 TriNum AP High463.41.2948 Predom. Rc Med482.51.2435 5B SF Bay L/M692.70.8662 TriNum W/L Low889.80.6743 Predom. Rc M/H445.11.3479 5B SF Bay Med600.30.9995 TriNum W/L Med632.10.9492 Predom. Rc High421.61.4230 5B SF Bay M/H548.51.0939 TriNum W/L Hig553.71.0837 5B W/L Low998.50.6009 5B SF Bay High523.11.1470 Predom. Upwind578.31.0375 5B W/L L/M728.70.8234 ChiMac Up Low691.20.8680 Predom. Reaching514.81.1654 5B W/L Med621.70.9650 ChiMac Up Med627.90.9555 Predom. Downwind553.41.0842 5B W/L M/H561.71.0681 ChiMac Up High554.31.0825 Predom. Up Low782.10.7672 5B W/L High534.11.1233 ChiMac Off Low699.70.8575 Predom. Up L/M602.40.9960 W/L 60-40 Low994.30.6034 ChiMac Off Med616.80.9728 Predom. Up Med540.51.1100 W/L 60-40 L/M732.80.8188 ChiMac Off High518.41.1574 Predom. Up M/H509.71.1772 W/L 60-40 Med632.80.9482 ChiMac AP Low691.50.8677 Predom. Up High495.11.2118 W/L 60-40 M/H579.31.0358 ChiMac AP Med619.60.9684 Predom. Dn Low815.60.7357 W/L 60-40 High556.11.0790 ChiMac AP High534.71.1221 Predom. Dn L/M599.01.0016 5B AP Low733.40.8181 BayMac Cove Island797.00.7528 Predom. Dn Med510.81.1747 5B AP L/M577.61.0387 BayMac Shore789.20.7603 Predom. Dn M/H455.11.3182 5B AP Med508.21.1807 Harvest Moon456.61.3141      SA/DSPL Up26.84SA/DSPL Dn42.19
ORC Ref  04140004S6P Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ARIELFIN-15001
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinnGulf 41Measurement03/06/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.495Maximum beam3.844Draft2.196Displacement7,495Wetted area31.75IMS L11.104LSM010.832Accomod. length12.493Sink (kg/mm) 24.22
VCGD0.043VCGM0.081 RM Rated (kg·m) 193.5Limit of positive stability(°) 113.4 Stability Index 116.0 BLR index 0.0000Default crew weight772 Declared crew weight 650
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.454PBW0.113PIPA0.0038
EDL2.760ST10.044ST20.170
ST30.170ST40.113ST50.302
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders3Rotating mastNo
P16.000IG16.300ISP16.657MDT10.140MDL10.205MDT2MDL2TLNo TaperMW0.180GO0.203
E5.408J4.530BAS1.555FSDFoilSFJ0.198SPL4.651WPLTPSBD0.171MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/05/2002
SFFP0.200FFM1.395FF1.409LCFcl6.929SG1.0050
SAFP11.425FAM1.060FA1.070LCFsh7.184HBI1.204
W1105.7W2105.7W3105.7W4105.7
PD1538.4PD2538.4PD3538.4PD4538.4
WD12.550PLM9000.00GSA1.0RSA1.0RM194.0
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004S6P Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ARIELFIN-15001
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.171.122.023.504.5251.37
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment11.543.106.3116.48NoNo 52.12
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment116.3316.3316.338.208.10111.32
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.5 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity162 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity100 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004S6P Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org