Double HandedClub Certificate2026
MormorFIN-2603
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°42.2°40.1°39.2°38.5°38.5°38.4°39.0°41.1°
Beat VMG2.403.333.934.254.384.444.474.454.28
52°3.755.005.746.076.216.276.316.346.28
60°4.025.235.926.246.386.456.496.546.52
75°4.205.396.066.386.576.696.776.876.90
90°4.095.326.056.426.676.867.027.247.37
110°3.835.246.116.546.847.107.277.567.78
120°3.675.065.996.496.837.177.507.998.34
135°3.174.535.556.246.647.007.398.309.49
150°2.613.824.875.736.316.697.047.879.03
Run VMG2.263.314.225.005.676.186.557.218.03
Gybe Angles137.8°146.0°151.4°154.9°163.7°171.8°178.1°177.7°167.2°
APH ToD:623.6CDL: 7.096APH ToT: 0.9622CertNo:
BOAT
ClassInferno 29DesignerHakan SodergrenBuilderNA BoatsAge date01/1986Series date01/1981Offset fileINFERNO29.offData fileFIN2603
HULL
Length Overall8.800 mMaximum Beam2.514 mDraft1.534 mDisplacement2,678 kgDLR6.3321IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight240 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.5624.89Headsail Luffed20.9620.96Headsail FlyingSymmetric48.7448.74Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail7.70Storm Jib5.73Heavy Weather Jib15.46
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 43.7 kg·m Stability Index 126.0
COMMENTS
ex DayDream
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  04140004L2C Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
MormorFIN-2603
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 VMG1502.71081.1915.0846.8822.1811.4805.8809.2841.5
52°959.6720.5627.2592.7580.1574.1570.4567.9573.1
60°896.2688.6607.8577.3564.5558.5554.4550.5552.2
75°856.8667.5594.4564.0547.6538.0532.1524.0521.5
90°880.9676.5595.5560.8539.9524.5512.6497.2488.3
110°940.0686.7589.2550.5526.0507.3495.2476.3463.0
120°982.0711.2601.0555.1526.8502.4480.3450.6431.6
135°1136.3794.4649.2577.4542.0514.1487.4433.6379.5
150°1379.0941.7739.8628.4570.4538.4511.6457.6398.7
Run VMG1592.31087.4853.4720.7634.5582.9549.4499.0448.1
Selected Courses
Windward / Leeward1547.51084.3884.2783.7728.3697.1677.6654.1644.8
All purpose1163.3837.5702.0638.9605.9586.1571.9551.1539.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward757.80.7918
All purpose623.60.9622
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6895
Downwind "popa"0.8524
70% up, 30% down "Ilhabela"0.7314
30% up, 70% down "Ilhabela-inverso"0.7960
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Predominantly Upwind674.50.8895
Predominantly Downwind625.90.9586
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP647.50.9266 Predom. Rc High518.31.1577 5B SF Bay L/M816.70.7347 TriNum AP Low769.70.7795 Predom. Dn Low937.40.6400 5B SF Bay Med720.00.8334 TriNum AP Med620.00.9677 Predom. Dn L/M701.40.8554 5B SF Bay M/H668.40.8977 TriNum AP High567.71.0570 Predom. Dn Med606.80.9888 5B SF Bay High645.30.9297 TriNum W/L Low1030.50.5822 Predom. Dn M/H547.61.0957 5B AP Low850.20.7057 TriNum W/L Med752.00.7979 Predom. Dn High509.51.1775 5B AP L/M685.50.8753 TriNum W/L Hig673.60.8907 ChiMac Up Low818.90.7327 5B AP Med613.20.9785 Predom. Upwind699.50.8578 ChiMac Up Med752.20.7977 5B AP M/H573.71.0459 Predom. Reaching618.30.9705 ChiMac Up High674.80.8892 5B AP High552.61.0857 Predom. Downwind653.20.9186 ChiMac Off Low811.70.7392 5B W/L Low1150.10.5217 Predom. Up Low915.10.6557 ChiMac Off Med721.80.8312 5B W/L L/M855.20.7016 Predom. Up L/M721.90.8311 ChiMac Off High614.90.9758 5B W/L Med741.00.8097 Predom. Up Med658.30.9115 ChiMac AP Low811.40.7395 5B W/L M/H681.20.8808 Predom. Up M/H628.10.9552 ChiMac AP Med734.30.8171 5B W/L High656.60.9139 Predom. Up High616.40.9733 ChiMac AP High643.20.9328 W/L 60-40 Low1149.00.5222 Predom. Rc Low825.30.7270 BayMac Cove Island928.70.6461 W/L 60-40 L/M864.50.6940 Predom. Rc L/M648.10.9258 BayMac Shore920.50.6518 W/L 60-40 Med759.00.7905 Predom. Rc Med583.41.0284 Harvest Moon551.31.0883 W/L 60-40 M/H706.70.8490 Predom. Rc M/H543.81.1034 5B SF Bay Low970.00.6186 W/L 60-40 High688.10.8720      SA/DSPL Up23.53SA/DSPL Dn37.88
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance675.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating675.30.8885
FinRating, kevyt tuuli1132.30.8831
FinRating, kova tuuli555.90.8994
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8885
Triple Number Coastal/Long Distance Low0.7795
Triple Number Coastal/Long Distance Medium0.9678
Triple Number Coastal/Long Distance High1.0570
Triple Number Windward/Leeward Low0.6096
Triple Number Windward/Leeward Medium0.7979
Triple Number Windward/Leeward High0.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
For information
General Purpose Handicap (GPH)692.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Saronikos S All Purpose697.20.8606
Saronikos S Upwind780.60.7687
Saronikos S Downwind594.51.0093
Saronikos N All Purpose735.50.8157
Saronikos N Upwind811.90.7390
Saronikos N Downwind649.40.9240
Saronikos SW All Purpose697.50.8602
Saronikos SW Upwind791.00.7585
Saronikos SW Downwind605.20.9914
Saronikos NE All Purpose758.00.7916
Saronikos NE Upwind761.50.7880
Saronikos NE Downwind726.30.8261
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose647.50.9266
5-Band All Purpose Low921.60.6510
5-Band All Purpose L/M709.70.8454
5-Band All Purpose Med631.40.9503
5-Band All Purpose M/H587.11.0220
5-Band All Purpose High562.81.0660
Single Number Predominant Upwind672.80.8918
Single Number Predominant Reaching597.11.0048
Single Number Predominant Downwind627.20.9567
5-Band 50-50 Windward/Leeward Low1150.10.5217
5-Band 50-50 Windward/Leeward L/M855.20.7016
5-Band 50-50 Windward/Leeward Med741.00.8097
5-Band 50-50 Windward/Leeward M/H681.20.8808
5-Band 50-50 Windward/Leeward High656.60.9139
5-Band 60-40 Windward/Leeward Low1149.00.5222
5-Band 60-40 Windward/Leeward L/M864.50.6940
5-Band 60-40 Windward/Leeward Med759.00.7905
5-Band 60-40 Windward/Leeward M/H706.70.8490
5-Band 60-40 Windward/Leeward High688.10.8720
Triple Number 50-50 Windward/Leeward Low1030.50.5822
Triple Number 50-50 Windward/Leeward Med752.10.7978
Triple Number 50-50 Windward/Leeward High673.70.8907
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward775.20.7740
Triple Number 60-40 Windward/Leeward Low1032.70.5810
Triple Number 60-40 Windward/Leeward Med768.70.7805
Triple Number 60-40 Windward/Leeward High700.60.8564
Triple Number All-Purpose Low834.60.7189
Triple Number All-Purpose Med638.90.9392
Triple Number All-Purpose High580.31.0340
Triple Number Predominant Upwind Low842.50.7122
Triple Number Predominant Upwind Med666.10.9008
Triple Number Predominant Upwind High632.20.9491
Triple Number Predominant Reaching Low756.60.7930
Triple Number Predominant Reaching Med599.01.0017
Triple Number Predominant Reaching High527.61.1372
Triple Number Predominant Downwind Low840.30.7141
Triple Number Predominant Downwind Med616.10.9738
Triple Number Predominant Downwind High525.21.1425
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low769.7
Triple Number Coastal/Long Distance Medium620.0
Triple Number Coastal/Long Distance High567.6
Triple Number Windward/Leeward Low984.3
Triple Number Windward/Leeward Medium752.0
Triple Number Windward/Leeward High673.6
Predominantly Upwind674.5
Predominantly Downwind625.9
Predominantly Reaching604.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7795
Triple Number Coastal/Long Distance Medium0.9678
Triple Number Coastal/Long Distance High1.0570
Triple Number Windward/Leeward Low0.6096
Triple Number Windward/Leeward Medium0.7979
Triple Number Windward/Leeward High0.8907
Coastal/Long Distance0.8885
Predominantly Upwind0.8895
Predominantly Downwind0.9586
For information
General Purpose Handicap (GPH)692.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9622
Distanseseilas Trippeltall svak vind0.7795
Distanseseilas Trippeltall mellomvind0.9678
Distanseseilas Trippeltall sterk vind1.0570
Pølsebane Trippeltall svak vind0.6096
Pølsebane Trippeltall mellomvind0.7979
Pølsebane Trippeltall sterk vind0.8907
Motvind Singeltall0.8895
Medvind Singeltall0.9586
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Coastal/Long Distance675.30.8885
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind674.50.8895
Predominantly Downwind625.90.9586
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore647.60.9265
Cape Doctor Coastal542.71.1055
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7795
Triple Number Coastal/Long Distance Medium0.9678
Triple Number Coastal/Long Distance High1.0570
Triple Number Windward/Leeward Low0.6096
Triple Number Windward/Leeward Medium0.7979
Triple Number Windward/Leeward High0.8907
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7795
Triple Number Coastal/Long Distance Medium0.9678
Triple Number Coastal/Long Distance High1.0570
Triple Number Windward/Leeward Low0.6096
Triple Number Windward/Leeward Medium0.7979
Triple Number Windward/Leeward High0.8907
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Predominantly Upwind674.50.8895
Predominantly Downwind625.90.9586
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance675.30.8885
Triple Number Coastal/Long Distance Low769.70.7795
Triple Number Coastal/Long Distance Medium620.00.9678
Triple Number Coastal/Long Distance High567.61.0570
Triple Number Windward/Leeward Low984.30.6096
Triple Number Windward/Leeward Medium752.00.7979
Triple Number Windward/Leeward High673.60.8907
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.01084.6834.5712.7645.0607.7576.7526.3512.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP647.50.9266 Predom. Dn High509.51.1775 5B AP M/H573.71.0459 TriNum AP Low769.70.7795 Predom. Rc Low825.30.7270 5B AP High552.61.0857 TriNum AP Med620.00.9677 Predom. Rc L/M648.10.9258 5B SF Bay Low970.00.6186 TriNum AP High567.71.0570 Predom. Rc Med583.41.0284 5B SF Bay L/M816.70.7347 TriNum W/L Low1030.50.5822 Predom. Rc M/H543.81.1034 5B SF Bay Med720.00.8334 TriNum W/L Med752.00.7979 Predom. Rc High518.31.1577 5B SF Bay M/H668.40.8977 TriNum W/L Hig673.60.8907 5B W/L Low1150.10.5217 5B SF Bay High645.30.9297 Predom. Upwind699.50.8578 5B W/L L/M855.20.7016 ChiMac Up Low818.90.7327 Predom. Reaching618.30.9705 5B W/L Med741.00.8097 ChiMac Up Med752.20.7977 Predom. Downwind653.20.9186 5B W/L M/H681.20.8808 ChiMac Up High674.80.8892 Predom. Up Low915.10.6557 5B W/L High656.60.9139 ChiMac Off Low811.70.7392 Predom. Up L/M721.90.8311 W/L 60-40 Low1149.00.5222 ChiMac Off Med721.80.8312 Predom. Up Med658.30.9115 W/L 60-40 L/M864.50.6940 ChiMac Off High614.90.9758 Predom. Up M/H628.10.9552 W/L 60-40 Med759.00.7905 ChiMac AP Low811.40.7395 Predom. Up High616.40.9733 W/L 60-40 M/H706.70.8490 ChiMac AP Med734.30.8171 Predom. Dn Low937.40.6400 W/L 60-40 High688.10.8720 ChiMac AP High643.20.9328 Predom. Dn L/M701.40.8554 5B AP Low850.20.7057 BayMac Cove Island928.70.6461 Predom. Dn Med606.80.9888 5B AP L/M685.50.8753 BayMac Shore920.50.6518 Predom. Dn M/H547.61.0957 5B AP Med613.20.9785 Harvest Moon551.31.0883      SA/DSPL Up23.53SA/DSPL Dn37.88
ORC Ref  04140004L2C Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
MormorFIN-2603
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassInferno 29Measurement24/05/2022HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.800Maximum beam2.514Draft1.534Displacement2,678Wetted area15.47IMS L7.593LSM07.506Accomod. length8.171Sink (kg/mm) 11.52
VCGD-0.119VCGM-0.081 RM Rated (kg·m) 43.7Limit of positive stability(°) 124.0 Stability Index 126.0 BLR index 0.0000Default crew weight170 Declared crew weight 240
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0014
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders1Rotating mastNo
P11.000IG10.200ISP10.200MDT10.092MDL10.135MDT2MDL2TL2.310MWGO0.147
E4.000J3.150BAS1.600FSDSFJ0.180SPL3.150WPLTPS0.000BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date24/05/2022
SFFP0.482FFM1.089FF1.095LCFcl5.114SG1.0050
SAFP8.072FAM0.772FA0.776LCFsh5.273HBI0.909
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004L2C Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
MormorFIN-2603
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.711.312.353.2124.5604/04/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.070.531.012.063.194.329.90NoNo 20.96
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment110.3010.3010.305.605.9948.7425/04/2025FR
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length8.2 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity33 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004L2C Issued on 14/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org