Club Certificate2026
IJsvogelNED 737
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles46.7°44.3°42.2°41.1°40.7°40.5°40.7°41.9°42.4°
Beat VMG1.662.412.943.313.573.733.803.843.77
52°2.623.704.424.915.235.435.555.635.63
60°2.823.914.625.105.415.615.735.835.85
75°2.964.114.895.375.645.785.936.136.22
90°3.174.345.145.615.896.096.216.386.61
110°3.114.285.105.605.916.186.456.917.13
120°2.934.084.945.495.836.116.406.967.39
135°2.483.604.485.215.645.946.216.817.38
150°2.103.154.024.775.355.725.996.547.11
Run VMG1.822.733.524.204.845.325.686.196.73
Gybe Angles147.1°151.1°157.7°162.2°166.9°176.8°179.0°179.0°178.6°
APH ToD:748.1CDL: 5.152APH ToT: 0.8021CertNo:
BOAT
ClassNORDIC FOLKBOATDesignerSunden TordBuilderFolkebadscentralenAge date01/1979Series date05/1941Offset fileG1746.offData fileNED737
HULL
Length Overall7.680 mMaximum Beam2.210 mDraft1.168 mDisplacement1,998 kgDLR10.5764IMS DivisionCruiser/RacerDynamic Allowance0.620%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight240 kg(declared)Minimum weight130 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.9018.39Headsail Luffed7.317.31Headsail FlyingSymmetric24.0524.05Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.18Storm Jib2.12Heavy Weather Jib5.71
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 25.7 kg·m Stability Index 140.5
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  04310004JWM Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
IJsvogelNED 737
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG2171.71493.01225.41088.31008.2965.8947.7937.3955.8
52°1374.2972.0815.4733.7688.6663.2648.5639.2639.9
60°1275.7921.9779.8705.4665.8641.9628.3617.3614.9
75°1216.4876.0735.7670.3638.3623.0606.9587.1578.5
90°1134.7829.2700.0641.3611.1591.5579.3564.7544.8
110°1157.6841.1706.0643.2609.3582.5558.1520.8505.1
120°1230.6881.5729.2655.5617.0588.8562.3517.0486.8
135°1454.5998.8802.9690.4637.9606.4579.4528.4487.7
150°1714.31144.4895.6755.0672.7629.7601.1550.4506.4
Run VMG1979.51320.51023.4856.4743.2676.2633.9581.3534.8
Selected Courses
Windward / Leeward2075.61406.81124.4972.3875.7821.0790.8759.3745.3
All purpose1554.41080.1881.7777.9718.4684.0662.6634.7619.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward921.20.6513
All purpose748.10.8021
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5479
Downwind "popa"0.7198
70% up, 30% down "Ilhabela"0.5902
30% up, 70% down "Ilhabela-inverso"0.6579
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Predominantly Upwind820.80.7310
Predominantly Downwind748.10.8021
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP777.10.7721 Predom. Rc High600.00.9999 5B SF Bay L/M1031.70.5815 TriNum AP Low980.90.6117 Predom. Dn Low1185.50.5061 5B SF Bay Med872.50.6876 TriNum AP Med743.30.8072 Predom. Dn L/M855.00.7018 5B SF Bay M/H784.80.7645 TriNum AP High657.50.9126 Predom. Dn Med717.70.8361 5B SF Bay High751.90.7980 TriNum W/L Low1331.40.4507 Predom. Dn M/H637.90.9406 5B AP Low1092.00.5495 TriNum W/L Med914.90.6558 Predom. Dn High597.11.0049 5B AP L/M850.20.7057 TriNum W/L Hig786.60.7628 ChiMac Up Low1062.90.5645 5B AP Med731.50.8202 Predom. Upwind859.10.6984 ChiMac Up Med949.10.6322 5B AP M/H666.20.9007 Predom. Reaching741.40.8093 ChiMac Up High817.60.7339 5B AP High637.00.9420 Predom. Downwind786.00.7634 ChiMac Off Low1006.70.5960 5B W/L Low1503.40.3991 Predom. Up Low1222.90.4906 ChiMac Off Med880.60.6814 5B W/L L/M1075.70.5578 Predom. Up L/M912.50.6575 ChiMac Off High733.20.8183 5B W/L Med896.40.6694 Predom. Up Med791.80.7577 ChiMac AP Low1027.50.5839 5B W/L M/H797.70.7522 Predom. Up M/H729.60.8223 ChiMac AP Med909.50.6597 5B W/L High762.30.7871 Predom. Up High708.90.8463 ChiMac AP High772.00.7772 W/L 60-40 Low1521.90.3943 Predom. Rc Low1056.30.5680 BayMac Cove Island1192.60.5031 W/L 60-40 L/M1097.40.5467 Predom. Rc L/M789.80.7597 BayMac Shore1182.30.5075 W/L 60-40 Med922.60.6503 Predom. Rc Med686.00.8747 Harvest Moon647.20.9270 W/L 60-40 M/H829.00.7238 Predom. Rc M/H628.60.9545 5B SF Bay Low1263.90.4747 W/L 60-40 High798.30.7516      SA/DSPL Up15.86SA/DSPL Dn26.39
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance814.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating814.90.7363
FinRating, kevyt tuuli1479.60.6758
FinRating, kova tuuli640.40.7807
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7363
Triple Number Coastal/Long Distance Low0.6117
Triple Number Coastal/Long Distance Medium0.8073
Triple Number Coastal/Long Distance High0.9126
Triple Number Windward/Leeward Low0.4741
Triple Number Windward/Leeward Medium0.6558
Triple Number Windward/Leeward High0.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
For information
General Purpose Handicap (GPH)843.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Saronikos S All Purpose870.60.6892
Saronikos S Upwind999.20.6005
Saronikos S Downwind708.90.8463
Saronikos N All Purpose912.00.6579
Saronikos N Upwind1041.30.5762
Saronikos N Downwind780.60.7686
Saronikos SW All Purpose881.50.6806
Saronikos SW Upwind1026.90.5843
Saronikos SW Downwind727.20.8251
Saronikos NE All Purpose944.50.6352
Saronikos NE Upwind968.30.6196
Saronikos NE Downwind884.40.6784
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose777.10.7721
5-Band All Purpose Low1195.40.5019
5-Band All Purpose L/M879.00.6826
5-Band All Purpose Med751.90.7980
5-Band All Purpose M/H682.00.8798
5-Band All Purpose High651.90.9204
Single Number Predominant Upwind819.70.7320
Single Number Predominant Reaching709.70.8454
Single Number Predominant Downwind748.60.8015
5-Band 50-50 Windward/Leeward Low1503.40.3991
5-Band 50-50 Windward/Leeward L/M1075.70.5578
5-Band 50-50 Windward/Leeward Med896.40.6694
5-Band 50-50 Windward/Leeward M/H797.70.7522
5-Band 50-50 Windward/Leeward High762.30.7871
5-Band 60-40 Windward/Leeward Low1521.90.3943
5-Band 60-40 Windward/Leeward L/M1097.40.5467
5-Band 60-40 Windward/Leeward Med922.60.6503
5-Band 60-40 Windward/Leeward M/H829.00.7238
5-Band 60-40 Windward/Leeward High798.30.7516
Triple Number 50-50 Windward/Leeward Low1331.40.4507
Triple Number 50-50 Windward/Leeward Med915.10.6557
Triple Number 50-50 Windward/Leeward High786.60.7628
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward947.40.6333
Triple Number 60-40 Windward/Leeward Low1350.50.4443
Triple Number 60-40 Windward/Leeward Med940.60.6379
Triple Number 60-40 Windward/Leeward High818.90.7327
Triple Number All-Purpose Low1067.40.5621
Triple Number All-Purpose Med764.60.7847
Triple Number All-Purpose High673.10.8913
Triple Number Predominant Upwind Low1104.60.5432
Triple Number Predominant Upwind Med808.10.7425
Triple Number Predominant Upwind High731.00.8208
Triple Number Predominant Reaching Low955.50.6280
Triple Number Predominant Reaching Med709.60.8456
Triple Number Predominant Reaching High609.10.9851
Triple Number Predominant Downwind Low1052.90.5698
Triple Number Predominant Downwind Med729.50.8225
Triple Number Predominant Downwind High612.70.9793
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low980.9
Triple Number Coastal/Long Distance Medium743.2
Triple Number Coastal/Long Distance High657.5
Triple Number Windward/Leeward Low1265.6
Triple Number Windward/Leeward Medium914.9
Triple Number Windward/Leeward High786.6
Predominantly Upwind820.8
Predominantly Downwind748.1
Predominantly Reaching719.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6117
Triple Number Coastal/Long Distance Medium0.8073
Triple Number Coastal/Long Distance High0.9126
Triple Number Windward/Leeward Low0.4741
Triple Number Windward/Leeward Medium0.6558
Triple Number Windward/Leeward High0.7628
Coastal/Long Distance0.7363
Predominantly Upwind0.7310
Predominantly Downwind0.8021
For information
General Purpose Handicap (GPH)843.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8021
Distanseseilas Trippeltall svak vind0.6117
Distanseseilas Trippeltall mellomvind0.8073
Distanseseilas Trippeltall sterk vind0.9126
Pølsebane Trippeltall svak vind0.4741
Pølsebane Trippeltall mellomvind0.6558
Pølsebane Trippeltall sterk vind0.7628
Motvind Singeltall0.7310
Medvind Singeltall0.8021
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Coastal/Long Distance814.90.7363
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind820.80.7310
Predominantly Downwind748.10.8021
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore749.50.8005
Cape Doctor Coastal624.40.9610
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6117
Triple Number Coastal/Long Distance Medium0.8073
Triple Number Coastal/Long Distance High0.9126
Triple Number Windward/Leeward Low0.4741
Triple Number Windward/Leeward Medium0.6558
Triple Number Windward/Leeward High0.7628
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6117
Triple Number Coastal/Long Distance Medium0.8073
Triple Number Coastal/Long Distance High0.9126
Triple Number Windward/Leeward Low0.4741
Triple Number Windward/Leeward Medium0.6558
Triple Number Windward/Leeward High0.7628
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Predominantly Upwind820.80.7310
Predominantly Downwind748.10.8021
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.90.7363
Triple Number Coastal/Long Distance Low980.90.6117
Triple Number Coastal/Long Distance Medium743.20.8073
Triple Number Coastal/Long Distance High657.50.9126
Triple Number Windward/Leeward Low1265.60.4741
Triple Number Windward/Leeward Medium914.90.6558
Triple Number Windward/Leeward High786.60.7628
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2066.01398.11054.8876.1768.4709.7668.1603.4584.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP777.10.7721 Predom. Dn High597.11.0049 5B AP M/H666.20.9007 TriNum AP Low980.90.6117 Predom. Rc Low1056.30.5680 5B AP High637.00.9420 TriNum AP Med743.30.8072 Predom. Rc L/M789.80.7597 5B SF Bay Low1263.90.4747 TriNum AP High657.50.9126 Predom. Rc Med686.00.8747 5B SF Bay L/M1031.70.5815 TriNum W/L Low1331.40.4507 Predom. Rc M/H628.60.9545 5B SF Bay Med872.50.6876 TriNum W/L Med914.90.6558 Predom. Rc High600.00.9999 5B SF Bay M/H784.80.7645 TriNum W/L Hig786.60.7628 5B W/L Low1503.40.3991 5B SF Bay High751.90.7980 Predom. Upwind859.10.6984 5B W/L L/M1075.70.5578 ChiMac Up Low1062.90.5645 Predom. Reaching741.40.8093 5B W/L Med896.40.6694 ChiMac Up Med949.10.6322 Predom. Downwind786.00.7634 5B W/L M/H797.70.7522 ChiMac Up High817.60.7339 Predom. Up Low1222.90.4906 5B W/L High762.30.7871 ChiMac Off Low1006.70.5960 Predom. Up L/M912.50.6575 W/L 60-40 Low1521.90.3943 ChiMac Off Med880.60.6814 Predom. Up Med791.80.7577 W/L 60-40 L/M1097.40.5467 ChiMac Off High733.20.8183 Predom. Up M/H729.60.8223 W/L 60-40 Med922.60.6503 ChiMac AP Low1027.50.5839 Predom. Up High708.90.8463 W/L 60-40 M/H829.00.7238 ChiMac AP Med909.50.6597 Predom. Dn Low1185.50.5061 W/L 60-40 High798.30.7516 ChiMac AP High772.00.7772 Predom. Dn L/M855.00.7018 5B AP Low1092.00.5495 BayMac Cove Island1192.60.5031 Predom. Dn Med717.70.8361 5B AP L/M850.20.7057 BayMac Shore1182.30.5075 Predom. Dn M/H637.90.9406 5B AP Med731.50.8202 Harvest Moon647.20.9270      SA/DSPL Up15.86SA/DSPL Dn26.39
ORC Ref  04310004JWM Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
IJsvogelNED 737
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNORDIC FOLKBOATMeasurement15/06/2022HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall7.680Maximum beam2.210Draft1.168Displacement1,998Wetted area13.87IMS L5.915LSM05.737Accomod. length7.183Sink (kg/mm) 7.41
VCGD-0.350VCGM-0.339 RM Rated (kg·m) 25.7Limit of positive stability(°) 138.7 Stability Index 140.5 BLR index 0.0000Default crew weight312 Declared crew weight 240
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P8.750IG6.500ISP6.550MDT10.104MDL10.116MDT2MDL2TLMWGO
E3.380J2.000BAS1.080FSDNo FoilSFJ0.820SPL2.050WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.350Flotation Date15/06/2022Measurer65
SFFP0.110FFM0.902FF0.908LCFcl4.137SG1.0000
SAFP7.670FAM0.689FA0.697LCFsh4.293HBI0.688
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG2MiscellaneousLandvasten53.500.001Engine (IC)TorqeedoTotal deductible0
ORC Ref  04310004JWM Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
IJsvogelNED 737
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.120.731.322.222.8917.90Class rules sail
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.050.350.681.251.812.345.96YesNo 7.31Class Rules Sail
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment20236.936.936.934.154.2224.05
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length7.2 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity12 lMinimum number of seats in cockpit2Food stowage0.12 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  04310004JWM Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org