Club Certificate2026
NonamiFIN-790
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 Angles46.3°44.1°41.9°39.5°38.0°37.8°37.8°38.5°39.8°
Beat VMG2.343.334.054.544.754.834.864.894.81
52°3.685.136.036.506.796.947.047.177.16
60°3.975.426.246.727.137.327.467.647.70
75°4.195.626.376.957.557.958.218.608.82
90°4.085.686.577.097.618.408.999.7110.19
110°4.165.806.777.698.418.999.5410.6612.33
120°4.025.676.657.588.699.5710.2511.6213.22
135°3.575.116.217.007.929.0810.4413.4715.41
150°2.964.305.426.276.997.788.7812.1715.77
Run VMG2.573.724.705.446.056.747.6010.5413.66
Gybe Angles139.9°143.0°147.6°151.9°150.3°146.8°145.1°141.2°146.4°
APH ToD:554.7CDL: 7.521APH ToT: 1.0817CertNo:
BOAT
ClassMelges 24 ODDesignerREICHEL/PUGHBuilderRowen CompositesAge date01/2009Series date12/1992Offset fileMELG24.OD.offData fileFIN790
HULL
Length Overall7.509 mMaximum Beam2.490 mDraft1.525 mDisplacement821 kgDLR2.7391IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail21.3822.33Headsail Luffed12.1312.13Headsail FlyingSymmetricAsymmetric52.6752.67 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail5.87Storm Jib3.72Heavy Weather Jib10.04
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 25.1 kg·m Stability Index 93.8
COMMENTS
LIFELINE TENSION ACC CLASSRULE
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  04140004JFT Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
NonamiFIN-790
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 VMG1540.01080.1888.1792.5757.4745.7740.4735.8747.7
52°978.6702.3597.4554.1530.2518.9511.2502.3502.7
60°907.5664.0576.6535.6505.1492.1482.3471.0467.3
75°859.3640.6565.0518.3476.8452.9438.2418.6408.3
90°881.8634.3547.8507.9472.8428.4400.3370.7353.1
110°865.9620.8531.7467.9427.9400.3377.4337.8291.9
120°894.4635.0541.2474.7414.4376.2351.2309.9272.3
135°1007.4705.2579.9514.1454.5396.6344.7267.3233.6
150°1215.5837.5663.6574.4515.2462.8410.1295.9228.3
Run VMG1403.5967.0766.3661.6594.8534.4473.6341.7263.6
Selected Courses
Windward / Leeward1471.81023.6827.2727.1676.1640.0607.0538.7505.7
All purpose1114.6786.7653.2583.2539.8507.5481.4436.0411.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward697.80.8599
All purpose554.71.0817
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7317
Downwind "popa"0.9679
70% up, 30% down "Ilhabela"0.7895
30% up, 70% down "Ilhabela-inverso"0.8824
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Predominantly Upwind616.40.9735
Predominantly Downwind553.71.0837
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP572.71.0477 Predom. Rc High396.51.5132 5B SF Bay L/M761.50.7879 TriNum AP Low719.90.8334 Predom. Dn Low858.00.6993 5B SF Bay Med658.00.9118 TriNum AP Med555.71.0797 Predom. Dn L/M638.10.9404 5B SF Bay M/H586.31.0234 TriNum AP High470.91.2742 Predom. Dn Med538.41.1145 5B SF Bay High533.41.1248 TriNum W/L Low970.00.6186 Predom. Dn M/H446.51.3436 5B AP Low794.60.7551 TriNum W/L Med696.70.8612 Predom. Dn High376.21.5948 5B AP L/M631.40.9502 TriNum W/L Hig589.61.0176 ChiMac Up Low779.20.7700 5B AP Med546.21.0986 Predom. Upwind639.60.9380 ChiMac Up Med701.80.8549 5B AP M/H483.11.2421 Predom. Reaching543.31.1045 ChiMac Up High609.30.9847 5B AP High439.61.3650 Predom. Downwind572.71.0477 ChiMac Off Low739.90.8110 5B W/L Low1086.50.5522 Predom. Up Low886.10.6771 ChiMac Off Med647.80.9262 5B W/L L/M798.50.7514 Predom. Up L/M676.30.8872 ChiMac Off High530.51.1311 5B W/L Med685.30.8755 Predom. Up Med597.81.0037 ChiMac AP Low756.20.7935 5B W/L M/H606.80.9887 Predom. Up M/H548.81.0932 ChiMac AP Med672.30.8925 5B W/L High544.81.1013 Predom. Up High521.91.1496 ChiMac AP High568.11.0562 W/L 60-40 Low1098.60.5461 Predom. Rc Low774.10.7751 BayMac Cove Island868.80.6906 W/L 60-40 L/M811.50.7394 Predom. Rc L/M592.91.0120 BayMac Shore862.70.6955 W/L 60-40 Med702.40.8543 Predom. Rc Med513.01.1697 Harvest Moon457.01.3130 W/L 60-40 M/H633.90.9466 Predom. Rc M/H441.61.3586 5B SF Bay Low918.40.6533 W/L 60-40 High583.61.0281      SA/DSPL Up38.26SA/DSPL Dn84.51
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance605.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating605.00.9918
FinRating, kevyt tuuli1068.20.9361
FinRating, kova tuuli439.11.1386
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9918
Triple Number Coastal/Long Distance Low0.8334
Triple Number Coastal/Long Distance Medium1.0799
Triple Number Coastal/Long Distance High1.2742
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8612
Triple Number Windward/Leeward High1.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
For information
General Purpose Handicap (GPH)624.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Saronikos S All Purpose629.00.9539
Saronikos S Upwind739.10.8118
Saronikos S Downwind493.11.2168
Saronikos N All Purpose675.00.8888
Saronikos N Upwind773.50.7756
Saronikos N Downwind569.61.0535
Saronikos SW All Purpose629.70.9529
Saronikos SW Upwind756.40.7932
Saronikos SW Downwind505.81.1862
Saronikos NE All Purpose695.10.8632
Saronikos NE Upwind720.70.8326
Saronikos NE Downwind640.30.9371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose572.71.0477
5-Band All Purpose Low868.40.6909
5-Band All Purpose L/M655.40.9155
5-Band All Purpose Med566.81.0585
5-Band All Purpose M/H496.41.2086
5-Band All Purpose High448.21.3385
Single Number Predominant Upwind614.40.9765
Single Number Predominant Reaching526.51.1396
Single Number Predominant Downwind555.31.0804
5-Band 50-50 Windward/Leeward Low1086.50.5522
5-Band 50-50 Windward/Leeward L/M798.50.7514
5-Band 50-50 Windward/Leeward Med685.30.8755
5-Band 50-50 Windward/Leeward M/H606.80.9887
5-Band 50-50 Windward/Leeward High544.81.1013
5-Band 60-40 Windward/Leeward Low1098.60.5461
5-Band 60-40 Windward/Leeward L/M811.50.7394
5-Band 60-40 Windward/Leeward Med702.40.8543
5-Band 60-40 Windward/Leeward M/H633.90.9466
5-Band 60-40 Windward/Leeward High583.61.0281
Triple Number 50-50 Windward/Leeward Low970.00.6186
Triple Number 50-50 Windward/Leeward Med696.80.8611
Triple Number 50-50 Windward/Leeward High589.61.0176
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward715.90.8381
Triple Number 60-40 Windward/Leeward Low982.00.6110
Triple Number 60-40 Windward/Leeward Med712.80.8417
Triple Number 60-40 Windward/Leeward High619.70.9682
Triple Number All-Purpose Low781.40.7679
Triple Number All-Purpose Med576.91.0400
Triple Number All-Purpose High482.81.2428
Triple Number Predominant Upwind Low806.00.7444
Triple Number Predominant Upwind Med608.50.9860
Triple Number Predominant Upwind High551.51.0880
Triple Number Predominant Reaching Low704.90.8511
Triple Number Predominant Reaching Med534.31.1230
Triple Number Predominant Reaching High418.01.4353
Triple Number Predominant Downwind Low768.90.7803
Triple Number Predominant Downwind Med551.01.0890
Triple Number Predominant Downwind High412.41.4549
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low719.9
Triple Number Coastal/Long Distance Medium555.6
Triple Number Coastal/Long Distance High470.9
Triple Number Windward/Leeward Low925.4
Triple Number Windward/Leeward Medium696.7
Triple Number Windward/Leeward High589.6
Predominantly Upwind616.4
Predominantly Downwind553.7
Predominantly Reaching531.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8334
Triple Number Coastal/Long Distance Medium1.0799
Triple Number Coastal/Long Distance High1.2742
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8612
Triple Number Windward/Leeward High1.0176
Coastal/Long Distance0.9918
Predominantly Upwind0.9735
Predominantly Downwind1.0837
For information
General Purpose Handicap (GPH)624.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0817
Distanseseilas Trippeltall svak vind0.8334
Distanseseilas Trippeltall mellomvind1.0799
Distanseseilas Trippeltall sterk vind1.2742
Pølsebane Trippeltall svak vind0.6484
Pølsebane Trippeltall mellomvind0.8612
Pølsebane Trippeltall sterk vind1.0176
Motvind Singeltall0.9735
Medvind Singeltall1.0837
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Coastal/Long Distance605.00.9918
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind616.40.9735
Predominantly Downwind553.71.0837
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore515.61.1638
Cape Doctor Coastal418.71.4329
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8334
Triple Number Coastal/Long Distance Medium1.0799
Triple Number Coastal/Long Distance High1.2742
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8612
Triple Number Windward/Leeward High1.0176
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8334
Triple Number Coastal/Long Distance Medium1.0799
Triple Number Coastal/Long Distance High1.2742
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8612
Triple Number Windward/Leeward High1.0176
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Predominantly Upwind616.40.9735
Predominantly Downwind553.71.0837
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.00.9918
Triple Number Coastal/Long Distance Low719.90.8334
Triple Number Coastal/Long Distance Medium555.61.0799
Triple Number Coastal/Long Distance High470.91.2742
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.70.8612
Triple Number Windward/Leeward High589.61.0176
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.91017.9778.2655.9579.0528.1483.7406.7379.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP572.71.0477 Predom. Dn High376.21.5948 5B AP M/H483.11.2421 TriNum AP Low719.90.8334 Predom. Rc Low774.10.7751 5B AP High439.61.3650 TriNum AP Med555.71.0797 Predom. Rc L/M592.91.0120 5B SF Bay Low918.40.6533 TriNum AP High470.91.2742 Predom. Rc Med513.01.1697 5B SF Bay L/M761.50.7879 TriNum W/L Low970.00.6186 Predom. Rc M/H441.61.3586 5B SF Bay Med658.00.9118 TriNum W/L Med696.70.8612 Predom. Rc High396.51.5132 5B SF Bay M/H586.31.0234 TriNum W/L Hig589.61.0176 5B W/L Low1086.50.5522 5B SF Bay High533.41.1248 Predom. Upwind639.60.9380 5B W/L L/M798.50.7514 ChiMac Up Low779.20.7700 Predom. Reaching543.31.1045 5B W/L Med685.30.8755 ChiMac Up Med701.80.8549 Predom. Downwind572.71.0477 5B W/L M/H606.80.9887 ChiMac Up High609.30.9847 Predom. Up Low886.10.6771 5B W/L High544.81.1013 ChiMac Off Low739.90.8110 Predom. Up L/M676.30.8872 W/L 60-40 Low1098.60.5461 ChiMac Off Med647.80.9262 Predom. Up Med597.81.0037 W/L 60-40 L/M811.50.7394 ChiMac Off High530.51.1311 Predom. Up M/H548.81.0932 W/L 60-40 Med702.40.8543 ChiMac AP Low756.20.7935 Predom. Up High521.91.1496 W/L 60-40 M/H633.90.9466 ChiMac AP Med672.30.8925 Predom. Dn Low858.00.6993 W/L 60-40 High583.61.0281 ChiMac AP High568.11.0562 Predom. Dn L/M638.10.9404 5B AP Low794.60.7551 BayMac Cove Island868.80.6906 Predom. Dn Med538.41.1145 5B AP L/M631.40.9502 BayMac Shore862.70.6955 Predom. Dn M/H446.51.3436 5B AP Med546.21.0986 Harvest Moon457.01.3130      SA/DSPL Up38.26SA/DSPL Dn84.51
ORC Ref  04140004JFT Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
NonamiFIN-790
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMelges 24 ODMeasurementHINGB-RCLM0529K001Plan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall7.509Maximum beam2.490Draft1.525Displacement821Wetted area10.31IMS L7.268LSM06.692Accomod. length7.509Sink (kg/mm) 8.78
VCGD0.040VCGM0.020 RM Rated (kg·m) 25.1Limit of positive stability(°) 102.3 Stability Index 93.8 BLR index 0.0000Default crew weight388 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P8.818IG8.620ISP9.777MDT10.076MDL10.120MDT20.062MDL20.075TL1.578MW0.114GO0.114
E3.800J2.506BAS1.000FSDSFJ0.200SPLWPLTPS4.106BD0.103MWT28.00MCG3.150
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date16/03/2017
SFFP0.130FFM0.883FF0.883LCFcl4.135SG1.0225
SAFP7.370FAM0.599FA0.599LCFsh4.315HBI0.799
W118.5W218.5W318.5W418.5
PD1427.9PD2432.4PD3428.3PD4436.5
WD7.400PLM9000.00GSA1.0RSA1.0RM25.0
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004JFT Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
NonamiFIN-790
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.180.931.682.703.3321.38class rules
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.400.761.422.092.788.56NoNo 12.13class rules
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment111.4510.0710.765.786.2592%52.6717/04/2025not od
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04140004JFT Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org