Double HandedClub 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 Angles45.9°43.0°41.0°39.7°39.3°39.1°39.0°39.4°41.1°
Beat VMG2.803.914.655.005.175.265.325.335.16
52°4.395.946.887.297.467.567.637.697.63
60°4.726.257.157.557.717.817.887.957.91
75°4.986.467.347.767.998.128.238.388.44
90°4.866.367.297.808.138.378.558.829.00
110°4.285.977.177.838.228.468.679.079.50
120°4.135.817.037.768.238.648.999.489.74
135°3.595.206.467.387.968.438.9110.0011.15
150°2.974.375.586.637.447.988.439.4410.77
Run VMG2.573.784.845.756.537.187.708.559.53
Gybe Angles138.4°143.8°148.0°152.1°157.0°164.2°169.6°171.8°164.0°
APH ToD:525.0CDL: 10.090APH ToT: 1.1428CertNo:
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 weight180 kg(declared)Minimum weight120 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 118.7
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  04140004S75 Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1287.2919.6774.6719.8696.4684.2676.7674.8697.4
52°820.1605.6523.5494.0482.3475.9471.5467.9471.8
60°762.4576.2503.7477.0466.8461.1456.8452.6455.1
75°723.5557.2490.8463.7450.4443.3437.4429.4426.7
90°740.4566.3493.8461.4443.1430.2421.1408.3400.2
110°840.9602.6502.1459.9438.0425.5415.2396.7379.0
120°871.9619.4512.4464.0437.3416.4400.5379.6369.7
135°1001.6692.8557.2488.0452.4427.2404.2360.0322.8
150°1212.5824.4644.6542.8484.1451.2426.8381.5334.3
Run VMG1400.1951.9744.3625.6551.0501.4467.7420.8377.9
Selected Courses
Windward / Leeward1343.6935.7759.5672.7623.7592.8572.2547.8537.6
All purpose1008.0718.8596.4539.6509.3490.6477.1458.0447.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward647.50.9266
All purpose525.01.1428
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 Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8162
Downwind "popa"0.9853
70% up, 30% down "Ilhabela"0.8605
30% up, 70% down "Ilhabela-inverso"0.9276
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 Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Predominantly Upwind566.81.0586
Predominantly Downwind530.51.1311
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP545.31.1003 Predom. Rc High429.11.3982 5B SF Bay L/M699.30.8581 TriNum AP Low657.60.9125 Predom. Dn Low811.20.7397 5B SF Bay Med612.50.9796 TriNum AP Med522.01.1494 Predom. Dn L/M599.31.0012 5B SF Bay M/H562.81.0661 TriNum AP High473.31.2677 Predom. Dn Med513.21.1692 5B SF Bay High539.71.1116 TriNum W/L Low888.50.6753 Predom. Dn M/H458.51.3087 5B AP Low731.00.8208 TriNum W/L Med643.60.9322 Predom. Dn High425.01.4118 5B AP L/M581.51.0318 TriNum W/L Hig568.21.0560 ChiMac Up Low694.90.8634 5B AP Med515.81.1633 Predom. Upwind588.51.0196 ChiMac Up Med635.60.9439 5B AP M/H478.91.2529 Predom. Reaching518.41.1574 ChiMac Up High566.31.0595 5B AP High459.51.3058 Predom. Downwind554.81.0814 ChiMac Off Low698.00.8596 5B W/L Low993.60.6038 Predom. Up Low779.90.7693 ChiMac Off Med616.80.9727 5B W/L L/M734.80.8166 Predom. Up L/M609.60.9842 ChiMac Off High520.61.1526 5B W/L Med633.60.9469 Predom. Up Med552.61.0857 ChiMac AP Low692.50.8664 5B W/L M/H575.91.0419 Predom. Up M/H523.71.1456 ChiMac AP Med623.40.9624 5B W/L High550.31.0904 Predom. Up High511.71.1727 ChiMac AP High541.71.1076 W/L 60-40 Low990.00.6061 Predom. Rc Low704.90.8512 BayMac Cove Island797.10.7527 W/L 60-40 L/M740.80.8099 Predom. Rc L/M546.01.0990 BayMac Shore789.30.7601 W/L 60-40 Med647.50.9266 Predom. Rc Med486.91.2324 Harvest Moon459.61.3056 W/L 60-40 M/H596.61.0057 Predom. Rc M/H451.01.3304 5B SF Bay Low834.40.7191 W/L 60-40 High576.01.0416      SA/DSPL Up26.84SA/DSPL Dn42.19
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance571.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
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 Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating571.11.0507
FinRating, kevyt tuuli978.41.0221
FinRating, kova tuuli463.11.0797
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 Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0507
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1495
Triple Number Coastal/Long Distance High1.2677
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9322
Triple Number Windward/Leeward High1.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
For information
General Purpose Handicap (GPH)585.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Saronikos S All Purpose589.51.0178
Saronikos S Upwind657.20.9130
Saronikos S Downwind508.51.1799
Saronikos N All Purpose622.30.9641
Saronikos N Upwind682.70.8789
Saronikos N Downwind557.61.0760
Saronikos SW All Purpose589.61.0176
Saronikos SW Upwind665.80.9012
Saronikos SW Downwind517.31.1599
Saronikos NE All Purpose644.30.9313
Saronikos NE Upwind638.60.9395
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 Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
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 Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose545.31.1003
5-Band All Purpose Low790.80.7588
5-Band All Purpose L/M602.30.9962
5-Band All Purpose Med531.61.1287
5-Band All Purpose M/H490.31.2238
5-Band All Purpose High468.01.2820
Single Number Predominant Upwind565.11.0617
Single Number Predominant Reaching499.51.2013
Single Number Predominant Downwind531.61.1286
5-Band 50-50 Windward/Leeward Low993.60.6038
5-Band 50-50 Windward/Leeward L/M734.80.8166
5-Band 50-50 Windward/Leeward Med633.60.9469
5-Band 50-50 Windward/Leeward M/H575.91.0419
5-Band 50-50 Windward/Leeward High550.31.0904
5-Band 60-40 Windward/Leeward Low990.00.6061
5-Band 60-40 Windward/Leeward L/M740.80.8099
5-Band 60-40 Windward/Leeward Med647.50.9266
5-Band 60-40 Windward/Leeward M/H596.61.0057
5-Band 60-40 Windward/Leeward High576.01.0416
Triple Number 50-50 Windward/Leeward Low888.50.6753
Triple Number 50-50 Windward/Leeward Med643.70.9321
Triple Number 50-50 Windward/Leeward High568.21.0560
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward660.90.9078
Triple Number 60-40 Windward/Leeward Low887.90.6757
Triple Number 60-40 Windward/Leeward Med656.50.9140
Triple Number 60-40 Windward/Leeward High590.11.0167
Triple Number All-Purpose Low713.60.8409
Triple Number All-Purpose Med538.51.1143
Triple Number All-Purpose High483.91.2399
Triple Number Predominant Upwind Low716.30.8376
Triple Number Predominant Upwind Med559.91.0716
Triple Number Predominant Upwind High526.01.1406
Triple Number Predominant Reaching Low643.60.9323
Triple Number Predominant Reaching Med501.01.1976
Triple Number Predominant Reaching High436.51.3745
Triple Number Predominant Downwind Low723.90.8288
Triple Number Predominant Downwind Med522.41.1486
Triple Number Predominant Downwind High439.31.3659
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low657.5
Triple Number Coastal/Long Distance Medium522.0
Triple Number Coastal/Long Distance High473.3
Triple Number Windward/Leeward Low847.6
Triple Number Windward/Leeward Medium643.6
Triple Number Windward/Leeward High568.2
Predominantly Upwind566.8
Predominantly Downwind530.5
Predominantly Reaching507.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1495
Triple Number Coastal/Long Distance High1.2677
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9322
Triple Number Windward/Leeward High1.0560
Coastal/Long Distance1.0507
Predominantly Upwind1.0586
Predominantly Downwind1.1311
For information
General Purpose Handicap (GPH)585.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1428
Distanseseilas Trippeltall svak vind0.9125
Distanseseilas Trippeltall mellomvind1.1495
Distanseseilas Trippeltall sterk vind1.2677
Pølsebane Trippeltall svak vind0.7079
Pølsebane Trippeltall mellomvind0.9322
Pølsebane Trippeltall sterk vind1.0560
Motvind Singeltall1.0586
Medvind Singeltall1.1311
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 Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Coastal/Long Distance571.11.0507
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind566.81.0586
Predominantly Downwind530.51.1311
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore540.71.1097
Cape Doctor Coastal450.71.3313
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1495
Triple Number Coastal/Long Distance High1.2677
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9322
Triple Number Windward/Leeward High1.0560
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9125
Triple Number Coastal/Long Distance Medium1.1495
Triple Number Coastal/Long Distance High1.2677
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9322
Triple Number Windward/Leeward High1.0560
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Predominantly Upwind566.81.0586
Predominantly Downwind530.51.1311
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.11.0507
Triple Number Coastal/Long Distance Low657.50.9125
Triple Number Coastal/Long Distance Medium522.01.1495
Triple Number Coastal/Long Distance High473.31.2677
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium643.60.9322
Triple Number Windward/Leeward High568.21.0560
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1349.3937.4715.3607.0544.1508.7480.8437.4427.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP545.31.1003 Predom. Dn High425.01.4118 5B AP M/H478.91.2529 TriNum AP Low657.60.9125 Predom. Rc Low704.90.8512 5B AP High459.51.3058 TriNum AP Med522.01.1494 Predom. Rc L/M546.01.0990 5B SF Bay Low834.40.7191 TriNum AP High473.31.2677 Predom. Rc Med486.91.2324 5B SF Bay L/M699.30.8581 TriNum W/L Low888.50.6753 Predom. Rc M/H451.01.3304 5B SF Bay Med612.50.9796 TriNum W/L Med643.60.9322 Predom. Rc High429.11.3982 5B SF Bay M/H562.81.0661 TriNum W/L Hig568.21.0560 5B W/L Low993.60.6038 5B SF Bay High539.71.1116 Predom. Upwind588.51.0196 5B W/L L/M734.80.8166 ChiMac Up Low694.90.8634 Predom. Reaching518.41.1574 5B W/L Med633.60.9469 ChiMac Up Med635.60.9439 Predom. Downwind554.81.0814 5B W/L M/H575.91.0419 ChiMac Up High566.31.0595 Predom. Up Low779.90.7693 5B W/L High550.31.0904 ChiMac Off Low698.00.8596 Predom. Up L/M609.60.9842 W/L 60-40 Low990.00.6061 ChiMac Off Med616.80.9727 Predom. Up Med552.61.0857 W/L 60-40 L/M740.80.8099 ChiMac Off High520.61.1526 Predom. Up M/H523.71.1456 W/L 60-40 Med647.50.9266 ChiMac AP Low692.50.8664 Predom. Up High511.71.1727 W/L 60-40 M/H596.61.0057 ChiMac AP Med623.40.9624 Predom. Dn Low811.20.7397 W/L 60-40 High576.01.0416 ChiMac AP High541.71.1076 Predom. Dn L/M599.31.0012 5B AP Low731.00.8208 BayMac Cove Island797.10.7527 Predom. Dn Med513.21.1692 5B AP L/M581.51.0318 BayMac Shore789.30.7601 Predom. Dn M/H458.51.3087 5B AP Med515.81.1633 Harvest Moon459.61.3056      SA/DSPL Up26.84SA/DSPL Dn42.19
ORC Ref  04140004S75 Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 L10.984LSM010.832Accomod. length12.493Sink (kg/mm) 24.22
VCGD0.043VCGM0.081 RM Rated (kg·m) 193.5Limit of positive stability(°) 116.1 Stability Index 118.7 BLR index 0.0000Default crew weight170 Declared crew weight 180
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  04140004S75 Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  04140004S75 Issued on 04/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org