Double HandedClub 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°43.6°41.6°40.5°39.9°39.6°39.5°39.7°41.4°
Beat VMG2.753.864.605.005.195.295.355.375.22
52°4.345.896.867.337.527.637.707.777.73
60°4.696.217.137.587.777.877.958.038.01
75°4.976.447.337.788.048.198.318.488.55
90°4.876.347.287.818.148.408.618.919.13
110°4.295.977.177.848.258.548.759.109.58
120°4.145.817.027.758.238.649.049.5710.01
135°3.605.206.457.377.958.418.879.9211.28
150°2.984.385.596.637.437.978.419.3610.62
Run VMG2.583.794.845.756.537.187.708.539.44
Gybe Angles138.5°143.8°148.3°152.1°157.0°164.2°170.0°175.0°166.3°
APH ToD:524.2CDL: 10.198APH ToT: 1.1445CertNo:
BOAT
ClassFinngulf 41DesignerKamu StrahlmannBuilderFinngulf YachtsAge date01/2002Series date01/2002Offset fileFINNGULF41.offData fileFIN31415
HULL
Length Overall12.495 mMaximum Beam3.844 mDraft2.005 mDisplacement8,000 kgDLR5.9143IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.407%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.390m
CREW
Maximum weight170 kg(declared)Minimum weight120 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 214.1 kg·m Stability Index 125.6
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  04140004T0F Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1310.2933.7782.2720.3693.9680.8673.1670.2689.5
52°829.2611.1525.0491.4478.5471.9467.4463.4466.0
60°767.1579.9504.6475.0463.3457.2452.8448.1449.6
75°724.5559.1491.4462.8448.0439.5433.5424.6421.0
90°739.8567.4494.2461.2442.3428.5418.1404.1394.4
110°839.2602.9502.2459.3436.6421.7411.4395.7375.7
120°870.1619.8512.9464.2437.5416.4398.4376.0359.6
135°999.3692.3558.0488.4452.7428.2405.9362.8319.2
150°1209.7822.4644.4543.1484.3451.7428.0384.5339.0
Run VMG1396.8949.6744.0626.0551.2501.5467.8422.0381.3
Selected Courses
Windward / Leeward1353.5941.7763.1673.1622.6591.2570.4546.1535.4
All purpose1013.1722.4598.4539.4507.9488.7474.9455.9443.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward647.40.9268
All purpose524.21.1445
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8149
Downwind "popa"0.9854
70% up, 30% down "Ilhabela"0.8595
30% up, 70% down "Ilhabela-inverso"0.9272
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Predominantly Upwind566.11.0599
Predominantly Downwind530.51.1310
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP544.61.1016 Predom. Rc High426.81.4059 5B SF Bay L/M701.50.8553 TriNum AP Low660.40.9086 Predom. Dn Low812.10.7388 5B SF Bay Med611.90.9806 TriNum AP Med521.21.1512 Predom. Dn L/M599.71.0005 5B SF Bay M/H561.21.0692 TriNum AP High471.21.2733 Predom. Dn Med512.81.1700 5B SF Bay High537.81.1156 TriNum W/L Low893.50.6715 Predom. Dn M/H457.91.3102 5B AP Low733.00.8185 TriNum W/L Med643.30.9327 Predom. Dn High424.41.4138 5B AP L/M582.51.0301 TriNum W/L Hig566.51.0592 ChiMac Up Low698.40.8592 5B AP Med514.71.1657 Predom. Upwind588.11.0203 ChiMac Up Med636.80.9421 5B AP M/H476.81.2584 Predom. Reaching517.81.1587 ChiMac Up High565.21.0616 5B AP High457.11.3127 Predom. Downwind554.71.0817 ChiMac Off Low698.50.8590 5B W/L Low1000.00.6000 Predom. Up Low786.30.7631 ChiMac Off Med617.00.9725 5B W/L L/M736.90.8142 Predom. Up L/M611.10.9819 ChiMac Off High520.41.1531 5B W/L Med633.10.9478 Predom. Up Med551.11.0888 ChiMac AP Low694.40.8640 5B W/L M/H574.21.0449 Predom. Up M/H520.91.1518 ChiMac AP Med624.10.9614 5B W/L High548.41.0940 Predom. Up High508.11.1809 ChiMac AP High541.11.1090 W/L 60-40 Low998.00.6012 Predom. Rc Low706.90.8488 BayMac Cove Island799.90.7501 W/L 60-40 L/M743.50.8070 Predom. Rc L/M546.41.0980 BayMac Shore792.10.7574 W/L 60-40 Med646.80.9277 Predom. Rc Med486.01.2346 Harvest Moon458.71.3081 W/L 60-40 M/H594.51.0093 Predom. Rc M/H449.41.3352 5B SF Bay Low840.20.7141 W/L 60-40 High573.61.0461      SA/DSPL Up26.17SA/DSPL Dn40.94
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance570.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating570.61.0515
FinRating, kevyt tuuli983.91.0163
FinRating, kova tuuli459.81.0873
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0515
Triple Number Coastal/Long Distance Low0.9086
Triple Number Coastal/Long Distance Medium1.1513
Triple Number Coastal/Long Distance High1.2733
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9327
Triple Number Windward/Leeward High1.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
For information
General Purpose Handicap (GPH)585.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Saronikos S All Purpose590.91.0155
Saronikos S Upwind659.20.9102
Saronikos S Downwind508.81.1792
Saronikos N All Purpose623.10.9630
Saronikos N Upwind685.40.8753
Saronikos N Downwind557.51.0763
Saronikos SW All Purpose591.81.0138
Saronikos SW Upwind669.50.8962
Saronikos SW Downwind517.21.1601
Saronikos NE All Purpose644.50.9309
Saronikos NE Upwind640.10.9373
Saronikos NE Downwind628.60.9545
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose544.61.1016
5-Band All Purpose Low794.30.7553
5-Band All Purpose L/M603.20.9946
5-Band All Purpose Med530.71.1307
5-Band All Purpose M/H488.51.2282
5-Band All Purpose High465.81.2881
Single Number Predominant Upwind564.51.0629
Single Number Predominant Reaching499.01.2024
Single Number Predominant Downwind531.61.1287
5-Band 50-50 Windward/Leeward Low1000.00.6000
5-Band 50-50 Windward/Leeward L/M736.90.8142
5-Band 50-50 Windward/Leeward Med633.10.9478
5-Band 50-50 Windward/Leeward M/H574.21.0449
5-Band 50-50 Windward/Leeward High548.41.0940
5-Band 60-40 Windward/Leeward Low998.00.6012
5-Band 60-40 Windward/Leeward L/M743.50.8070
5-Band 60-40 Windward/Leeward Med646.80.9277
5-Band 60-40 Windward/Leeward M/H594.51.0093
5-Band 60-40 Windward/Leeward High573.61.0461
Triple Number 50-50 Windward/Leeward Low893.50.6715
Triple Number 50-50 Windward/Leeward Med643.40.9326
Triple Number 50-50 Windward/Leeward High566.51.0592
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward660.70.9081
Triple Number 60-40 Windward/Leeward Low894.20.6710
Triple Number 60-40 Windward/Leeward Med656.10.9145
Triple Number 60-40 Windward/Leeward High588.01.0205
Triple Number All-Purpose Low716.40.8376
Triple Number All-Purpose Med537.71.1158
Triple Number All-Purpose High482.11.2445
Triple Number Predominant Upwind Low720.80.8324
Triple Number Predominant Upwind Med558.71.0740
Triple Number Predominant Upwind High522.81.1477
Triple Number Predominant Reaching Low645.30.9298
Triple Number Predominant Reaching Med500.21.1994
Triple Number Predominant Reaching High434.81.3799
Triple Number Predominant Downwind Low724.90.8276
Triple Number Predominant Downwind Med522.21.1490
Triple Number Predominant Downwind High439.11.3663
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low660.4
Triple Number Coastal/Long Distance Medium521.2
Triple Number Coastal/Long Distance High471.2
Triple Number Windward/Leeward Low852.4
Triple Number Windward/Leeward Medium643.3
Triple Number Windward/Leeward High566.5
Predominantly Upwind566.1
Predominantly Downwind530.5
Predominantly Reaching507.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9086
Triple Number Coastal/Long Distance Medium1.1513
Triple Number Coastal/Long Distance High1.2733
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9327
Triple Number Windward/Leeward High1.0592
Coastal/Long Distance1.0515
Predominantly Upwind1.0599
Predominantly Downwind1.1310
For information
General Purpose Handicap (GPH)585.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1445
Distanseseilas Trippeltall svak vind0.9086
Distanseseilas Trippeltall mellomvind1.1513
Distanseseilas Trippeltall sterk vind1.2733
Pølsebane Trippeltall svak vind0.7039
Pølsebane Trippeltall mellomvind0.9327
Pølsebane Trippeltall sterk vind1.0592
Motvind Singeltall1.0599
Medvind Singeltall1.1310
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Coastal/Long Distance570.61.0515
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind566.11.0599
Predominantly Downwind530.51.1310
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore538.61.1140
Cape Doctor Coastal447.41.3412
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9086
Triple Number Coastal/Long Distance Medium1.1513
Triple Number Coastal/Long Distance High1.2733
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9327
Triple Number Windward/Leeward High1.0592
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9086
Triple Number Coastal/Long Distance Medium1.1513
Triple Number Coastal/Long Distance High1.2733
Triple Number Windward/Leeward Low0.7039
Triple Number Windward/Leeward Medium0.9327
Triple Number Windward/Leeward High1.0592
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Predominantly Upwind566.11.0599
Predominantly Downwind530.51.1310
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance570.61.0515
Triple Number Coastal/Long Distance Low660.40.9086
Triple Number Coastal/Long Distance Medium521.21.1513
Triple Number Coastal/Long Distance High471.21.2733
Triple Number Windward/Leeward Low852.40.7039
Triple Number Windward/Leeward Medium643.30.9327
Triple Number Windward/Leeward High566.51.0592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1357.8942.5718.3607.1542.9507.1478.5434.5422.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP544.61.1016 Predom. Dn High424.41.4138 5B AP M/H476.81.2584 TriNum AP Low660.40.9086 Predom. Rc Low706.90.8488 5B AP High457.11.3127 TriNum AP Med521.21.1512 Predom. Rc L/M546.41.0980 5B SF Bay Low840.20.7141 TriNum AP High471.21.2733 Predom. Rc Med486.01.2346 5B SF Bay L/M701.50.8553 TriNum W/L Low893.50.6715 Predom. Rc M/H449.41.3352 5B SF Bay Med611.90.9806 TriNum W/L Med643.30.9327 Predom. Rc High426.81.4059 5B SF Bay M/H561.21.0692 TriNum W/L Hig566.51.0592 5B W/L Low1000.00.6000 5B SF Bay High537.81.1156 Predom. Upwind588.11.0203 5B W/L L/M736.90.8142 ChiMac Up Low698.40.8592 Predom. Reaching517.81.1587 5B W/L Med633.10.9478 ChiMac Up Med636.80.9421 Predom. Downwind554.71.0817 5B W/L M/H574.21.0449 ChiMac Up High565.21.0616 Predom. Up Low786.30.7631 5B W/L High548.41.0940 ChiMac Off Low698.50.8590 Predom. Up L/M611.10.9819 W/L 60-40 Low998.00.6012 ChiMac Off Med617.00.9725 Predom. Up Med551.11.0888 W/L 60-40 L/M743.50.8070 ChiMac Off High520.41.1531 Predom. Up M/H520.91.1518 W/L 60-40 Med646.80.9277 ChiMac AP Low694.40.8640 Predom. Up High508.11.1809 W/L 60-40 M/H594.51.0093 ChiMac AP Med624.10.9614 Predom. Dn Low812.10.7388 W/L 60-40 High573.61.0461 ChiMac AP High541.11.1090 Predom. Dn L/M599.71.0005 5B AP Low733.00.8185 BayMac Cove Island799.90.7501 Predom. Dn Med512.81.1700 5B AP L/M582.51.0301 BayMac Shore792.10.7574 Predom. Dn M/H457.91.3102 5B AP Med514.71.1657 Harvest Moon458.71.3081      SA/DSPL Up26.17SA/DSPL Dn40.94
ORC Ref  04140004T0F Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 beam3.844Draft2.005Displacement8,000Wetted area31.98IMS L11.135LSM011.058Accomod. length12.493Sink (kg/mm) 24.38
VCGD-0.063VCGM-0.047 RM Rated (kg·m) 214.1Limit of positive stability(°) 121.9 Stability Index 125.6 BLR index 0.0000Default crew weight170 Declared crew weight 170
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
SFFP0.200FFMFF1.336LCFcl6.828SG
SAFP11.425FAMFA1.085LCFsh7.087HBI1.171
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004T0F Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  04140004T0F Issued on 11/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org