Non Spin/HSFClub 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°42.1°41.1°40.7°40.5°40.7°41.9°42.4°
Beat VMG1.662.412.943.313.573.733.803.843.76
52°2.623.704.424.915.235.435.555.635.62
60°2.823.914.625.105.415.615.735.835.85
75°2.964.054.785.275.585.795.946.136.22
90°2.904.034.835.385.715.946.146.496.66
110°2.703.834.645.245.625.886.116.597.03
120°2.503.614.445.075.505.796.026.506.99
135°2.143.194.044.715.245.605.866.336.83
150°1.862.813.654.354.935.385.696.156.63
Run VMG1.642.493.283.994.595.115.516.026.50
Gybe Angles173.6°173.9°175.7°177.5°178.4°178.9°179.2°179.3°179.3°
APH ToD:773.3CDL: 5.150APH ToT: 0.7759CertNo:
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 Allowance0.610%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.18Storm Jib2.12Heavy Weather Jib5.71
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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  04310004JLC Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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 VMG2171.11492.71225.21088.11008.2966.1948.0937.8956.4
52°1373.8971.8815.2733.7688.6663.3648.6639.4640.1
60°1275.4921.7779.7705.3665.8641.9628.4617.4615.1
75°1216.1889.9752.4682.6645.6622.1606.5587.2578.6
90°1240.4892.5745.1669.7630.8606.2586.1554.4540.9
110°1332.5939.9775.9687.1640.4612.1589.0546.1512.4
120°1442.1996.1811.3709.4654.1621.8597.8553.5515.1
135°1683.31127.8891.3763.8686.8642.3614.2569.1527.3
150°1939.11280.7986.0828.4730.1669.5632.4585.0542.6
Run VMG2199.01448.01096.0902.7783.5703.8653.9598.0554.0
Selected Courses
Windward / Leeward2185.01470.31160.6995.4895.8835.0801.0767.9755.2
All purpose1660.51141.9923.2807.7740.6700.8676.7647.3631.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward942.90.6363
All purpose773.30.7759
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5479
Downwind "popa"0.6790
70% up, 30% down "Ilhabela"0.5816
30% up, 70% down "Ilhabela-inverso"0.6335
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Predominantly Upwind835.30.7183
Predominantly Downwind785.90.7635
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP801.90.7482 Predom. Rc High610.20.9833 5B SF Bay L/M1067.00.5623 TriNum AP Low1032.60.5811 Predom. Dn Low1288.50.4657 5B SF Bay Med894.80.6706 TriNum AP Med768.40.7809 Predom. Dn L/M910.30.6591 5B SF Bay M/H798.70.7512 TriNum AP High671.70.8933 Predom. Dn Med751.70.7982 5B SF Bay High764.60.7847 TriNum W/L Low1385.90.4329 Predom. Dn M/H658.70.9109 5B AP Low1166.80.5142 TriNum W/L Med935.90.6411 Predom. Dn High615.30.9751 5B AP L/M887.70.6759 TriNum W/L Hig797.00.7528 ChiMac Up Low1090.40.5503 5B AP Med755.00.7947 Predom. Upwind874.80.6858 ChiMac Up Med969.90.6186 5B AP M/H681.10.8809 Predom. Reaching774.70.7745 ChiMac Up High830.50.7225 5B AP High649.60.9236 Predom. Downwind830.20.7227 ChiMac Off Low1082.00.5545 5B W/L Low1571.60.3818 Predom. Up Low1259.80.4763 ChiMac Off Med937.40.6400 5B W/L L/M1108.90.5411 Predom. Up L/M932.60.6433 ChiMac Off High769.10.7801 5B W/L Med916.30.6548 Predom. Up Med804.10.7462 ChiMac AP Low1078.70.5562 5B W/L M/H809.10.7416 Predom. Up M/H736.60.8146 ChiMac AP Med948.10.6329 5B W/L High771.40.7778 Predom. Up High714.00.8404 ChiMac AP High795.90.7538 W/L 60-40 Low1576.30.3806 Predom. Rc Low1133.70.5292 BayMac Cove Island1253.40.4787 W/L 60-40 L/M1124.00.5338 Predom. Rc L/M832.90.7204 BayMac Shore1242.00.4831 W/L 60-40 Med938.60.6393 Predom. Rc Med712.10.8425 Harvest Moon671.50.8936 W/L 60-40 M/H838.10.7159 Predom. Rc M/H643.30.9327 5B SF Bay Low1319.00.4549 W/L 60-40 High805.70.7447      SA/DSPL Up15.86SA/DSPL Dn15.86
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance839.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating839.70.7146
FinRating, kevyt tuuli1557.50.6420
FinRating, kova tuuli653.60.7649
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7146
Triple Number Coastal/Long Distance Low0.5811
Triple Number Coastal/Long Distance Medium0.7810
Triple Number Coastal/Long Distance High0.8933
Triple Number Windward/Leeward Low0.4561
Triple Number Windward/Leeward Medium0.6411
Triple Number Windward/Leeward High0.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
For information
General Purpose Handicap (GPH)876.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Saronikos S All Purpose890.10.6741
Saronikos S Upwind1005.30.5968
Saronikos S Downwind763.40.7859
Saronikos N All Purpose944.60.6352
Saronikos N Upwind1051.10.5708
Saronikos N Downwind855.40.7014
Saronikos SW All Purpose909.70.6596
Saronikos SW Upwind1038.20.5779
Saronikos SW Downwind792.10.7575
Saronikos NE All Purpose991.80.6049
Saronikos NE Upwind984.40.6095
Saronikos NE Downwind983.50.6100
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose801.90.7482
5-Band All Purpose Low1265.30.4742
5-Band All Purpose L/M916.60.6546
5-Band All Purpose Med774.80.7744
5-Band All Purpose M/H695.30.8630
5-Band All Purpose High662.20.9060
Single Number Predominant Upwind833.50.7198
Single Number Predominant Reaching739.20.8117
Single Number Predominant Downwind786.90.7624
5-Band 50-50 Windward/Leeward Low1571.60.3818
5-Band 50-50 Windward/Leeward L/M1108.90.5411
5-Band 50-50 Windward/Leeward Med916.30.6548
5-Band 50-50 Windward/Leeward M/H809.10.7416
5-Band 50-50 Windward/Leeward High771.40.7778
5-Band 60-40 Windward/Leeward Low1576.30.3806
5-Band 60-40 Windward/Leeward L/M1124.00.5338
5-Band 60-40 Windward/Leeward Med938.60.6393
5-Band 60-40 Windward/Leeward M/H838.10.7159
5-Band 60-40 Windward/Leeward High805.70.7447
Triple Number 50-50 Windward/Leeward Low1385.90.4329
Triple Number 50-50 Windward/Leeward Med936.00.6410
Triple Number 50-50 Windward/Leeward High797.10.7528
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward964.70.6219
Triple Number 60-40 Windward/Leeward Low1394.00.4304
Triple Number 60-40 Windward/Leeward Med957.30.6268
Triple Number 60-40 Windward/Leeward High827.40.7252
Triple Number All-Purpose Low1124.60.5335
Triple Number All-Purpose Med789.10.7603
Triple Number All-Purpose High685.30.8755
Triple Number Predominant Upwind Low1139.10.5267
Triple Number Predominant Upwind Med821.60.7302
Triple Number Predominant Upwind High735.60.8157
Triple Number Predominant Reaching Low1017.30.5898
Triple Number Predominant Reaching Med736.50.8146
Triple Number Predominant Reaching High622.30.9642
Triple Number Predominant Downwind Low1136.20.5281
Triple Number Predominant Downwind Med767.30.7820
Triple Number Predominant Downwind High634.20.9461
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low1032.5
Triple Number Coastal/Long Distance Medium768.2
Triple Number Coastal/Long Distance High671.7
Triple Number Windward/Leeward Low1315.5
Triple Number Windward/Leeward Medium935.9
Triple Number Windward/Leeward High797.0
Predominantly Upwind835.3
Predominantly Downwind785.9
Predominantly Reaching752.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.5811
Triple Number Coastal/Long Distance Medium0.7810
Triple Number Coastal/Long Distance High0.8933
Triple Number Windward/Leeward Low0.4561
Triple Number Windward/Leeward Medium0.6411
Triple Number Windward/Leeward High0.7528
Coastal/Long Distance0.7146
Predominantly Upwind0.7183
Predominantly Downwind0.7635
For information
General Purpose Handicap (GPH)876.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.7759
Distanseseilas Trippeltall svak vind0.5811
Distanseseilas Trippeltall mellomvind0.7810
Distanseseilas Trippeltall sterk vind0.8933
Pølsebane Trippeltall svak vind0.4561
Pølsebane Trippeltall mellomvind0.6411
Pølsebane Trippeltall sterk vind0.7528
Motvind Singeltall0.7183
Medvind Singeltall0.7635
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Coastal/Long Distance839.70.7146
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind835.30.7183
Predominantly Downwind785.90.7635
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore759.00.7905
Cape Doctor Coastal636.10.9432
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.5811
Triple Number Coastal/Long Distance Medium0.7810
Triple Number Coastal/Long Distance High0.8933
Triple Number Windward/Leeward Low0.4561
Triple Number Windward/Leeward Medium0.6411
Triple Number Windward/Leeward High0.7528
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.5811
Triple Number Coastal/Long Distance Medium0.7810
Triple Number Coastal/Long Distance High0.8933
Triple Number Windward/Leeward Low0.4561
Triple Number Windward/Leeward Medium0.6411
Triple Number Windward/Leeward High0.7528
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Predominantly Upwind835.30.7183
Predominantly Downwind785.90.7635
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance839.70.7146
Triple Number Coastal/Long Distance Low1032.50.5811
Triple Number Coastal/Long Distance Medium768.20.7810
Triple Number Coastal/Long Distance High671.70.8933
Triple Number Windward/Leeward Low1315.50.4561
Triple Number Windward/Leeward Medium935.90.6411
Triple Number Windward/Leeward High797.00.7528
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2186.41468.11094.6903.6790.6726.8683.0615.7596.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP801.90.7482 Predom. Dn High615.30.9751 5B AP M/H681.10.8809 TriNum AP Low1032.60.5811 Predom. Rc Low1133.70.5292 5B AP High649.60.9236 TriNum AP Med768.40.7809 Predom. Rc L/M832.90.7204 5B SF Bay Low1319.00.4549 TriNum AP High671.70.8933 Predom. Rc Med712.10.8425 5B SF Bay L/M1067.00.5623 TriNum W/L Low1385.90.4329 Predom. Rc M/H643.30.9327 5B SF Bay Med894.80.6706 TriNum W/L Med935.90.6411 Predom. Rc High610.20.9833 5B SF Bay M/H798.70.7512 TriNum W/L Hig797.00.7528 5B W/L Low1571.60.3818 5B SF Bay High764.60.7847 Predom. Upwind874.80.6858 5B W/L L/M1108.90.5411 ChiMac Up Low1090.40.5503 Predom. Reaching774.70.7745 5B W/L Med916.30.6548 ChiMac Up Med969.90.6186 Predom. Downwind830.20.7227 5B W/L M/H809.10.7416 ChiMac Up High830.50.7225 Predom. Up Low1259.80.4763 5B W/L High771.40.7778 ChiMac Off Low1082.00.5545 Predom. Up L/M932.60.6433 W/L 60-40 Low1576.30.3806 ChiMac Off Med937.40.6400 Predom. Up Med804.10.7462 W/L 60-40 L/M1124.00.5338 ChiMac Off High769.10.7801 Predom. Up M/H736.60.8146 W/L 60-40 Med938.60.6393 ChiMac AP Low1078.70.5562 Predom. Up High714.00.8404 W/L 60-40 M/H838.10.7159 ChiMac AP Med948.10.6329 Predom. Dn Low1288.50.4657 W/L 60-40 High805.70.7447 ChiMac AP High795.90.7538 Predom. Dn L/M910.30.6591 5B AP Low1166.80.5142 BayMac Cove Island1253.40.4787 Predom. Dn Med751.70.7982 5B AP L/M887.70.6759 BayMac Shore1242.00.4831 Predom. Dn M/H658.70.9109 5B AP Med755.00.7947 Harvest Moon671.50.8936      SA/DSPL Up15.86SA/DSPL Dn15.86
ORC Ref  04310004JLC Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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 L5.914LSM05.737Accomod. 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  04310004JLC Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub 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
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  04310004JLC Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org