International Certificate2026
SpeculatorFIN-10936
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 Angles47.1°44.0°42.3°40.4°39.6°39.3°39.1°40.0°41.5°
Beat VMG2.663.764.575.085.305.405.455.485.37
52°4.215.806.847.387.627.727.797.857.84
60°4.576.147.117.607.847.958.028.118.10
75°4.866.397.297.778.058.258.378.548.63
90°4.746.277.247.788.128.418.648.969.18
110°4.265.997.207.878.288.618.869.269.59
120°4.115.817.047.778.258.679.079.7210.25
135°3.585.186.457.377.958.408.869.9111.32
150°2.964.365.586.627.437.968.399.3010.46
Run VMG2.563.784.835.746.537.177.688.499.34
Gybe Angles139.0°143.9°148.0°151.9°157.0°164.4°170.5°176.3°168.7°
APH ToD:521.6CDL: 10.408APH ToT: 1.1504CertNo:10936
BOAT
ClassFinngulf 41DesignerK-J StråhlmannBuilderFinngulf YachtsAge date05/2006Series date06/2001Offset fileFINNGULF41.offData fileL10936
HULL
Length Overall12.495 mMaximum Beam3.844 mDraft1.987 mDisplacement7,607 kgDLR5.9313IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.468m
CREW
Maximum weight839 kg(declared)Minimum weight709 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.3452.31Headsail Luffed49.8449.84Headsail FlyingSymmetric116.77116.77Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail15.14Storm Jib14.02Heavy Weather Jib37.84
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 190.8 kg·m Stability Index 112.9
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  03290004U9H Issued on 28/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
SpeculatorFIN-10936
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 VMG1355.4956.5787.0708.6679.8666.9660.4657.1670.2
52°855.5620.6526.4487.5472.7466.1462.4458.5459.4
60°787.3586.0506.5473.6459.2452.8448.8443.9444.3
75°740.5563.7493.8463.5446.9436.2430.0421.5417.2
90°759.6573.8496.9462.9443.2428.2416.7401.6392.0
110°845.0601.4499.7457.7434.8418.0406.5388.8375.5
120°876.0619.9511.3463.1436.5415.3397.1370.2351.4
135°1005.9694.5558.3488.3453.0428.5406.1363.4318.0
150°1216.4825.4645.6543.5484.5452.4429.3387.2344.2
Run VMG1404.5953.1745.5626.6551.5501.9468.5423.8385.4
Selected Courses
Windward / Leeward1380.0954.8766.2667.6615.6584.4564.4540.4527.8
All purpose1032.5730.3600.1536.5504.0484.3470.8451.5438.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward642.90.9332
All purpose521.61.1504
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8209
Downwind "popa"0.9834
70% up, 30% down "Ilhabela"0.8637
30% up, 70% down "Ilhabela-inverso"0.9283
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Predominantly Upwind562.61.0664
Predominantly Downwind530.11.1319
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP543.01.1050 Predom. Rc High424.11.4149 5B SF Bay L/M701.30.8555 TriNum AP Low665.20.9020 Predom. Dn Low818.90.7327 5B SF Bay Med606.00.9901 TriNum AP Med518.01.1583 Predom. Dn L/M600.50.9991 5B SF Bay M/H554.91.0813 TriNum AP High466.91.2849 Predom. Dn Med511.71.1726 5B SF Bay High531.41.1291 TriNum W/L Low902.60.6648 Predom. Dn M/H456.51.3143 5B AP Low740.20.8106 TriNum W/L Med637.70.9409 Predom. Dn High423.11.4182 5B AP L/M582.71.0297 TriNum W/L Hig560.41.0706 ChiMac Up Low704.20.8520 5B AP Med511.31.1734 Predom. Upwind586.11.0238 ChiMac Up Med637.80.9407 5B AP M/H472.61.2695 Predom. Reaching518.01.1582 ChiMac Up High561.31.0690 5B AP High452.61.3257 Predom. Downwind555.01.0811 ChiMac Off Low702.00.8547 5B W/L Low1013.90.5917 Predom. Up Low799.90.7501 ChiMac Off Med618.50.9700 5B W/L L/M737.00.8141 Predom. Up L/M611.10.9818 ChiMac Off High519.81.1542 5B W/L Med627.30.9565 Predom. Up Med545.71.0994 ChiMac AP Low699.20.8581 5B W/L M/H568.11.0562 Predom. Up M/H514.91.1653 ChiMac AP Med625.40.9593 5B W/L High542.41.1062 Predom. Up High501.61.1961 ChiMac AP High538.91.1133 W/L 60-40 Low1013.90.5918 Predom. Rc Low715.40.8387 BayMac Cove Island807.20.7433 W/L 60-40 L/M743.30.8072 Predom. Rc L/M547.51.0959 BayMac Shore799.60.7503 W/L 60-40 Med639.70.9379 Predom. Rc Med484.61.2382 Harvest Moon458.11.3099 W/L 60-40 M/H587.01.0222 Predom. Rc M/H447.11.3420 5B SF Bay Low850.60.7054 W/L 60-40 High565.91.0603      SA/DSPL Up25.98SA/DSPL Dn43.17
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance568.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating568.01.0563
FinRating, kevyt tuuli997.81.0022
FinRating, kova tuuli455.21.0985
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0563
Triple Number Coastal/Long Distance Low0.9020
Triple Number Coastal/Long Distance Medium1.1584
Triple Number Coastal/Long Distance High1.2849
Triple Number Windward/Leeward Low0.6973
Triple Number Windward/Leeward Medium0.9409
Triple Number Windward/Leeward High1.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
For information
General Purpose Handicap (GPH)584.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Saronikos S All Purpose590.81.0155
Saronikos S Upwind659.70.9096
Saronikos S Downwind509.51.1777
Saronikos N All Purpose623.30.9626
Saronikos N Upwind689.30.8704
Saronikos N Downwind557.71.0758
Saronikos SW All Purpose594.31.0096
Saronikos SW Upwind674.70.8893
Saronikos SW Downwind517.21.1601
Saronikos NE All Purpose646.30.9284
Saronikos NE Upwind644.60.9308
Saronikos NE Downwind629.00.9539
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose543.01.1050
5-Band All Purpose Low804.60.7457
5-Band All Purpose L/M603.80.9937
5-Band All Purpose Med527.61.1373
5-Band All Purpose M/H484.91.2374
5-Band All Purpose High461.91.2989
Single Number Predominant Upwind561.11.0693
Single Number Predominant Reaching498.31.2041
Single Number Predominant Downwind531.11.1298
5-Band 50-50 Windward/Leeward Low1013.90.5917
5-Band 50-50 Windward/Leeward L/M737.00.8141
5-Band 50-50 Windward/Leeward Med627.30.9565
5-Band 50-50 Windward/Leeward M/H568.11.0562
5-Band 50-50 Windward/Leeward High542.41.1062
5-Band 60-40 Windward/Leeward Low1013.90.5918
5-Band 60-40 Windward/Leeward L/M743.30.8072
5-Band 60-40 Windward/Leeward Med639.70.9379
5-Band 60-40 Windward/Leeward M/H587.01.0222
5-Band 60-40 Windward/Leeward High565.91.0603
Triple Number 50-50 Windward/Leeward Low902.60.6648
Triple Number 50-50 Windward/Leeward Med637.80.9407
Triple Number 50-50 Windward/Leeward High560.41.0706
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward655.20.9157
Triple Number 60-40 Windward/Leeward Low904.50.6633
Triple Number 60-40 Windward/Leeward Med649.30.9241
Triple Number 60-40 Windward/Leeward High580.51.0336
Triple Number All-Purpose Low723.00.8299
Triple Number All-Purpose Med534.81.1219
Triple Number All-Purpose High478.51.2540
Triple Number Predominant Upwind Low729.40.8226
Triple Number Predominant Upwind Med553.71.0836
Triple Number Predominant Upwind High516.21.1622
Triple Number Predominant Reaching Low650.90.9218
Triple Number Predominant Reaching Med498.61.2033
Triple Number Predominant Reaching High432.71.3866
Triple Number Predominant Downwind Low729.50.8224
Triple Number Predominant Downwind Med521.51.1506
Triple Number Predominant Downwind High438.41.3687
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low665.2
Triple Number Coastal/Long Distance Medium518.0
Triple Number Coastal/Long Distance High467.0
Triple Number Windward/Leeward Low860.5
Triple Number Windward/Leeward Medium637.7
Triple Number Windward/Leeward High560.4
Predominantly Upwind562.6
Predominantly Downwind530.1
Predominantly Reaching507.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9020
Triple Number Coastal/Long Distance Medium1.1584
Triple Number Coastal/Long Distance High1.2849
Triple Number Windward/Leeward Low0.6973
Triple Number Windward/Leeward Medium0.9409
Triple Number Windward/Leeward High1.0706
Coastal/Long Distance1.0563
Predominantly Upwind1.0664
Predominantly Downwind1.1319
For information
General Purpose Handicap (GPH)584.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1504
Distanseseilas Trippeltall svak vind0.9020
Distanseseilas Trippeltall mellomvind1.1584
Distanseseilas Trippeltall sterk vind1.2849
Pølsebane Trippeltall svak vind0.6973
Pølsebane Trippeltall mellomvind0.9409
Pølsebane Trippeltall sterk vind1.0706
Motvind Singeltall1.0664
Medvind Singeltall1.1319
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Coastal/Long Distance568.01.0563
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind562.61.0664
Predominantly Downwind530.11.1319
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore531.61.1287
Cape Doctor Coastal442.41.3563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9020
Triple Number Coastal/Long Distance Medium1.1584
Triple Number Coastal/Long Distance High1.2849
Triple Number Windward/Leeward Low0.6973
Triple Number Windward/Leeward Medium0.9409
Triple Number Windward/Leeward High1.0706
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9020
Triple Number Coastal/Long Distance Medium1.1584
Triple Number Coastal/Long Distance High1.2849
Triple Number Windward/Leeward Low0.6973
Triple Number Windward/Leeward Medium0.9409
Triple Number Windward/Leeward High1.0706
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Predominantly Upwind562.61.0664
Predominantly Downwind530.11.1319
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.01.0563
Triple Number Coastal/Long Distance Low665.20.9020
Triple Number Coastal/Long Distance Medium518.01.1584
Triple Number Coastal/Long Distance High467.01.2849
Triple Number Windward/Leeward Low860.50.6973
Triple Number Windward/Leeward Medium637.70.9409
Triple Number Windward/Leeward High560.41.0706
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1382.4954.6721.0603.1538.0502.8475.0430.7417.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP543.01.1050 Predom. Dn High423.11.4182 5B AP M/H472.61.2695 TriNum AP Low665.20.9020 Predom. Rc Low715.40.8387 5B AP High452.61.3257 TriNum AP Med518.01.1583 Predom. Rc L/M547.51.0959 5B SF Bay Low850.60.7054 TriNum AP High466.91.2849 Predom. Rc Med484.61.2382 5B SF Bay L/M701.30.8555 TriNum W/L Low902.60.6648 Predom. Rc M/H447.11.3420 5B SF Bay Med606.00.9901 TriNum W/L Med637.70.9409 Predom. Rc High424.11.4149 5B SF Bay M/H554.91.0813 TriNum W/L Hig560.41.0706 5B W/L Low1013.90.5917 5B SF Bay High531.41.1291 Predom. Upwind586.11.0238 5B W/L L/M737.00.8141 ChiMac Up Low704.20.8520 Predom. Reaching518.01.1582 5B W/L Med627.30.9565 ChiMac Up Med637.80.9407 Predom. Downwind555.01.0811 5B W/L M/H568.11.0562 ChiMac Up High561.31.0690 Predom. Up Low799.90.7501 5B W/L High542.41.1062 ChiMac Off Low702.00.8547 Predom. Up L/M611.10.9818 W/L 60-40 Low1013.90.5918 ChiMac Off Med618.50.9700 Predom. Up Med545.71.0994 W/L 60-40 L/M743.30.8072 ChiMac Off High519.81.1542 Predom. Up M/H514.91.1653 W/L 60-40 Med639.70.9379 ChiMac AP Low699.20.8581 Predom. Up High501.61.1961 W/L 60-40 M/H587.01.0222 ChiMac AP Med625.40.9593 Predom. Dn Low818.90.7327 W/L 60-40 High565.91.0603 ChiMac AP High538.91.1133 Predom. Dn L/M600.50.9991 5B AP Low740.20.8106 BayMac Cove Island807.20.7433 Predom. Dn Med511.71.1726 5B AP L/M582.71.0297 BayMac Shore799.60.7503 Predom. Dn M/H456.51.3143 5B AP Med511.31.1734 Harvest Moon458.11.3099      SA/DSPL Up25.98SA/DSPL Dn43.17
ORC Ref  03290004U9H Issued on 28/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
SpeculatorFIN-10936
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFinngulf 41Measurement15/05/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.495Maximum beam3.844Draft1.987Displacement7,607Wetted area31.60IMS L11.165LSM010.864Accomod. length12.493Sink (kg/mm) 24.39
VCGD0.088VCGM0.121 RM Rated (kg·m) 190.8Limit of positive stability(°) 110.1 Stability Index 112.9 BLR index 0.0000Default crew weight775 Declared crew weight 839
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.468PBW0.118PIPA0.0041
EDL2.790ST10.065ST20.180
ST30.180ST40.110ST50.350
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P15.986IG16.649ISP16.684MDT10.128MDL10.246MDT20.128MDL20.183TL0.950MW0.246GO0.271
E5.410J4.550BAS1.599FSD0.040SFJ0.200SPL4.660WPLTPS5.130BD0.170MWT284.38MCG6.379
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date04/05/2021CommentGood Conditions
SFFP0.200FFM1.406FF1.414LCFcl6.951SG1.0050
SAFP11.425FAM1.054FA1.060LCFsh7.205HBI1.202
W1124.9W2124.9W3124.9W4124.9LCFD
PD1279.4PD2278.3PD3284.6PD4279.3
WD5.348PLM9000.00GSA1.0RSA1.0RM187.6
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1WASTE EMPTYWater8007.192WATER RST EMPTYWater15003.693DIESEL RST EmptyFuel10004.394Boiler RST EmptyWater2507.795Heater fuel RST EmptyFuel2502.19Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery3x550 Wh6.591Battery70 Ah Start8.091Engine (IC)VOLVO D2-55CTotal deductible
ORC Ref  03290004U9H Issued on 28/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
SpeculatorFIN-10936
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.151.132.053.504.5051.3429/03/201910.151.031.873.294.5650.0028/04/2012
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.090.751.543.084.656.2816.03NoNo 49.8410/05/20213DL/TaffetaG30.100.611.162.263.414.5916.28YesNo 37.3105/05/2017G40.100.510.941.862.853.8914.66NoNo 28.0528/04/2012
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS216.5416.5716.568.538.20116.7705/06/2020Med16.2016.2016.208.128.03109.3828/04/20121S16.1916.1916.198.077.92108.4728/04/2012White5S15.4215.4215.427.327.5494.6328/04/2012White
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  03290004U9H Issued on 28/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org