Club Certificate2026
SkalaFIN-31415
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 Angles46.5°43.8°41.9°40.1°39.2°38.6°38.4°38.9°40.1°
Beat VMG2.723.844.655.155.395.515.585.645.57
52°4.305.906.927.467.697.817.887.967.97
60°4.676.237.187.667.918.038.118.228.25
75°4.976.477.357.828.118.328.458.648.75
90°4.856.367.317.828.178.468.709.059.30
110°4.275.997.207.878.308.658.949.359.67
120°4.115.817.037.778.248.669.079.8110.35
135°3.575.176.437.367.948.388.839.8411.23
150°2.954.355.576.617.427.958.379.2510.38
Run VMG2.553.774.825.736.527.177.698.499.31
Gybe Angles138.5°143.8°148.3°152.1°157.1°164.6°170.9°176.8°170.9°
APH ToD:517.7CDL: 10.623APH ToT: 1.1590CertNo:
BOAT
ClassFinngulf 41DesignerKamu StrahlmannBuilderFinngulf YachtsAge date01/2002Series date01/2002Offset fileFINNGULF41.offData fileFIN31415
HULL
Length Overall12.495 mMaximum Beam3.844 mDraft2.003 mDisplacement8,000 kgDLR6.0428IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.650%RS Assessment-0.407%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.390m
CREW
Maximum weight680 kg(declared)Minimum weight550 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail53.0854.28Headsail Luffed52.3252.32Headsail FlyingSymmetric111.83111.83Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail15.14Storm Jib13.89Heavy Weather Jib37.49
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 217.1 kg·m Stability Index 121.6
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  04140004T06 Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SkalaFIN-31415
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 VMG1323.3938.2774.5698.6668.5653.8645.5638.8646.6
52°836.6610.7520.1482.8467.9461.0456.8452.0451.6
60°770.6578.1501.4469.7455.3448.6444.1438.2436.4
75°724.8556.7489.6460.4443.9432.9426.1416.7411.4
90°742.8565.8492.6460.1440.8425.7414.0398.0387.0
110°842.4601.2499.8457.4434.0416.0402.9385.0372.4
120°875.1620.1511.9463.4436.9415.7396.9367.0347.8
135°1008.0695.7559.6489.1453.5429.4407.8365.9320.6
150°1220.3827.1646.9544.8485.4452.9430.1389.0346.9
Run VMG1409.1955.1746.9627.9552.4502.2468.4424.1386.7
Selected Courses
Windward / Leeward1366.2946.6760.7663.3610.5578.0557.0531.5516.7
All purpose1020.8724.1596.2533.5500.7480.3466.2445.9431.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward637.10.9418
All purpose517.71.1590
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8370
Downwind "popa"0.9820
70% up, 30% down "Ilhabela"0.8758
30% up, 70% down "Ilhabela-inverso"0.9335
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Predominantly Upwind556.51.0781
Predominantly Downwind528.71.1349
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP538.61.1140 Predom. Rc High420.71.4262 5B SF Bay L/M695.70.8624 TriNum AP Low660.20.9088 Predom. Dn Low816.00.7353 5B SF Bay Med600.50.9992 TriNum AP Med514.51.1661 Predom. Dn L/M599.01.0016 5B SF Bay M/H547.71.0956 TriNum AP High462.11.2984 Predom. Dn Med510.31.1757 5B SF Bay High522.51.1484 TriNum W/L Low895.20.6703 Predom. Dn M/H454.91.3191 5B AP Low734.80.8165 TriNum W/L Med632.40.9487 Predom. Dn High421.31.4243 5B AP L/M578.81.0365 TriNum W/L Hig552.61.0857 ChiMac Up Low695.20.8630 5B AP Med507.81.1816 Predom. Upwind578.91.0365 ChiMac Up Med630.00.9524 5B AP M/H468.01.2820 Predom. Reaching514.61.1659 ChiMac Up High554.41.0823 5B AP High446.91.3427 Predom. Downwind553.21.0845 ChiMac Off Low699.80.8574 5B W/L Low1005.00.5970 Predom. Up Low788.50.7609 ChiMac Off Med616.70.9730 5B W/L L/M731.60.8202 Predom. Up L/M604.70.9922 ChiMac Off High518.31.1577 5B W/L Med621.80.9649 Predom. Up Med540.01.1111 ChiMac AP Low693.50.8652 5B W/L M/H560.71.0701 Predom. Up M/H508.01.1811 ChiMac AP Med620.50.9670 5B W/L High533.31.1250 Predom. Up High493.21.2165 ChiMac AP High534.71.1222 W/L 60-40 Low1002.70.5984 Predom. Rc Low708.80.8465 BayMac Cove Island799.90.7501 W/L 60-40 L/M736.50.8147 Predom. Rc L/M544.31.1024 BayMac Shore792.10.7575 W/L 60-40 Med633.00.9478 Predom. Rc Med482.01.2448 Harvest Moon456.31.3150 W/L 60-40 M/H578.11.0378 Predom. Rc M/H444.31.3505 5B SF Bay Low842.70.7120 W/L 60-40 High554.91.0812      SA/DSPL Up26.17SA/DSPL Dn40.94
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance563.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating563.81.0642
FinRating, kevyt tuuli989.21.0110
FinRating, kova tuuli449.31.1129
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0642
Triple Number Coastal/Long Distance Low0.9088
Triple Number Coastal/Long Distance Medium1.1662
Triple Number Coastal/Long Distance High1.2984
Triple Number Windward/Leeward Low0.7029
Triple Number Windward/Leeward Medium0.9487
Triple Number Windward/Leeward High1.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
For information
General Purpose Handicap (GPH)580.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Saronikos S All Purpose584.91.0258
Saronikos S Upwind649.50.9237
Saronikos S Downwind509.91.1768
Saronikos N All Purpose615.90.9742
Saronikos N Upwind677.00.8863
Saronikos N Downwind558.11.0750
Saronikos SW All Purpose588.71.0191
Saronikos SW Upwind664.40.9031
Saronikos SW Downwind517.61.1592
Saronikos NE All Purpose639.60.9380
Saronikos NE Upwind633.70.9469
Saronikos NE Downwind629.20.9535
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose538.61.1140
5-Band All Purpose Low797.20.7526
5-Band All Purpose L/M599.81.0003
5-Band All Purpose Med524.01.1450
5-Band All Purpose M/H480.61.2485
5-Band All Purpose High456.71.3137
Single Number Predominant Upwind555.01.0811
Single Number Predominant Reaching495.51.2109
Single Number Predominant Downwind529.61.1328
5-Band 50-50 Windward/Leeward Low1005.00.5970
5-Band 50-50 Windward/Leeward L/M731.60.8202
5-Band 50-50 Windward/Leeward Med621.80.9649
5-Band 50-50 Windward/Leeward M/H560.71.0701
5-Band 50-50 Windward/Leeward High533.31.1250
5-Band 60-40 Windward/Leeward Low1002.70.5984
5-Band 60-40 Windward/Leeward L/M736.50.8147
5-Band 60-40 Windward/Leeward Med633.00.9478
5-Band 60-40 Windward/Leeward M/H578.11.0378
5-Band 60-40 Windward/Leeward High554.91.0812
Triple Number 50-50 Windward/Leeward Low895.20.6703
Triple Number 50-50 Windward/Leeward Med632.50.9485
Triple Number 50-50 Windward/Leeward High552.71.0857
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward648.00.9259
Triple Number 60-40 Windward/Leeward Low895.20.6702
Triple Number 60-40 Windward/Leeward Med642.80.9334
Triple Number 60-40 Windward/Leeward High571.11.0505
Triple Number All-Purpose Low717.00.8368
Triple Number All-Purpose Med531.31.1292
Triple Number All-Purpose High474.01.2659
Triple Number Predominant Upwind Low720.30.8330
Triple Number Predominant Upwind Med548.11.0946
Triple Number Predominant Upwind High508.41.1801
Triple Number Predominant Reaching Low645.60.9293
Triple Number Predominant Reaching Med495.81.2102
Triple Number Predominant Reaching High430.11.3951
Triple Number Predominant Downwind Low727.00.8253
Triple Number Predominant Downwind Med520.51.1528
Triple Number Predominant Downwind High437.41.3716
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low660.2
Triple Number Coastal/Long Distance Medium514.5
Triple Number Coastal/Long Distance High462.1
Triple Number Windward/Leeward Low853.6
Triple Number Windward/Leeward Medium632.4
Triple Number Windward/Leeward High552.6
Predominantly Upwind556.5
Predominantly Downwind528.7
Predominantly Reaching505.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9088
Triple Number Coastal/Long Distance Medium1.1662
Triple Number Coastal/Long Distance High1.2984
Triple Number Windward/Leeward Low0.7029
Triple Number Windward/Leeward Medium0.9487
Triple Number Windward/Leeward High1.0857
Coastal/Long Distance1.0642
Predominantly Upwind1.0781
Predominantly Downwind1.1349
For information
General Purpose Handicap (GPH)580.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1590
Distanseseilas Trippeltall svak vind0.9088
Distanseseilas Trippeltall mellomvind1.1662
Distanseseilas Trippeltall sterk vind1.2984
Pølsebane Trippeltall svak vind0.7029
Pølsebane Trippeltall mellomvind0.9487
Pølsebane Trippeltall sterk vind1.0857
Motvind Singeltall1.0781
Medvind Singeltall1.1349
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Coastal/Long Distance563.81.0642
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind556.51.0781
Predominantly Downwind528.71.1349
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore521.11.1514
Cape Doctor Coastal435.81.3769
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9088
Triple Number Coastal/Long Distance Medium1.1662
Triple Number Coastal/Long Distance High1.2984
Triple Number Windward/Leeward Low0.7029
Triple Number Windward/Leeward Medium0.9487
Triple Number Windward/Leeward High1.0857
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9088
Triple Number Coastal/Long Distance Medium1.1662
Triple Number Coastal/Long Distance High1.2984
Triple Number Windward/Leeward Low0.7029
Triple Number Windward/Leeward Medium0.9487
Triple Number Windward/Leeward High1.0857
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Predominantly Upwind556.51.0781
Predominantly Downwind528.71.1349
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance563.81.0642
Triple Number Coastal/Long Distance Low660.20.9088
Triple Number Coastal/Long Distance Medium514.51.1662
Triple Number Coastal/Long Distance High462.11.2984
Triple Number Windward/Leeward Low853.60.7029
Triple Number Windward/Leeward Medium632.40.9487
Triple Number Windward/Leeward High552.61.0857
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1370.5947.5716.2599.5534.1498.6470.8426.1411.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP538.61.1140 Predom. Dn High421.31.4243 5B AP M/H468.01.2820 TriNum AP Low660.20.9088 Predom. Rc Low708.80.8465 5B AP High446.91.3427 TriNum AP Med514.51.1661 Predom. Rc L/M544.31.1024 5B SF Bay Low842.70.7120 TriNum AP High462.11.2984 Predom. Rc Med482.01.2448 5B SF Bay L/M695.70.8624 TriNum W/L Low895.20.6703 Predom. Rc M/H444.31.3505 5B SF Bay Med600.50.9992 TriNum W/L Med632.40.9487 Predom. Rc High420.71.4262 5B SF Bay M/H547.71.0956 TriNum W/L Hig552.61.0857 5B W/L Low1005.00.5970 5B SF Bay High522.51.1484 Predom. Upwind578.91.0365 5B W/L L/M731.60.8202 ChiMac Up Low695.20.8630 Predom. Reaching514.61.1659 5B W/L Med621.80.9649 ChiMac Up Med630.00.9524 Predom. Downwind553.21.0845 5B W/L M/H560.71.0701 ChiMac Up High554.41.0823 Predom. Up Low788.50.7609 5B W/L High533.31.1250 ChiMac Off Low699.80.8574 Predom. Up L/M604.70.9922 W/L 60-40 Low1002.70.5984 ChiMac Off Med616.70.9730 Predom. Up Med540.01.1111 W/L 60-40 L/M736.50.8147 ChiMac Off High518.31.1577 Predom. Up M/H508.01.1811 W/L 60-40 Med633.00.9478 ChiMac AP Low693.50.8652 Predom. Up High493.21.2165 W/L 60-40 M/H578.11.0378 ChiMac AP Med620.50.9670 Predom. Dn Low816.00.7353 W/L 60-40 High554.91.0812 ChiMac AP High534.71.1222 Predom. Dn L/M599.01.0016 5B AP Low734.80.8165 BayMac Cove Island799.90.7501 Predom. Dn Med510.31.1757 5B AP L/M578.81.0365 BayMac Shore792.10.7575 Predom. Dn M/H454.91.3191 5B AP Med507.81.1816 Harvest Moon456.31.3150      SA/DSPL Up26.17SA/DSPL Dn40.94
ORC Ref  04140004T06 Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SkalaFIN-31415
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinngulf 41Measurement16/08/2020HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.495Maximum beam3.844Draft2.003Displacement8,000Wetted area32.15IMS L11.266LSM010.979Accomod. length12.493Sink (kg/mm) 24.66
VCGD-0.053VCGM-0.036 RM Rated (kg·m) 217.1Limit of positive stability(°) 118.0 Stability Index 121.6 BLR index 0.0000Default crew weight786 Declared crew weight 680
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.390PBW0.090PIPA0.0039
EDL2.000ST10.065ST20.180
ST30.180ST40.110ST50.250
RIG
BackstayAdjustable (NMP)ForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYes (NMP)CheckstaysNoSpreaders3Rotating mastNo
P15.995IG16.664ISP16.674MDT10.131MDL10.190MDT2MDL2TLNo TaperMWGO
E5.407J4.532BAS1.560FSDSFJSPL4.450WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date16/08/2020
SFFP0.200FFMFF1.386LCFcl6.942SG
SAFP11.425FAMFA1.051LCFsh7.197HBI1.189
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004T06 Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SkalaFIN-31415
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment153.08
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment16.3116.29NoNo 52.32
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment116.4316.4316.438.21111.83
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  04140004T06 Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org