Double HandedClub Certificate2026
BojanglesNED 8531
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 Angles47.1°44.1°42.0°41.1°40.3°40.0°40.1°41.1°43.4°
Beat VMG2.092.983.604.034.294.384.404.334.13
52°3.314.585.395.926.186.306.356.356.26
60°3.584.835.646.116.356.496.556.596.54
75°3.795.025.826.266.526.696.816.936.97
90°3.694.955.886.386.656.786.957.267.45
110°3.605.005.956.466.787.067.357.727.95
120°3.444.825.806.396.747.047.378.048.37
135°2.994.325.326.096.546.877.207.968.68
150°2.473.674.715.576.206.596.907.608.33
Run VMG2.143.184.084.865.546.076.467.067.73
Gybe Angles142.9°147.5°151.9°155.7°162.8°170.0°177.7°178.1°177.2°
APH ToD:639.1CDL: 7.100APH ToT: 0.9388CertNo:none
BOAT
ClassDehler 31Designervd Stadt & prtnrsBuilderDehlerAge date01/1987Series date01/1985Offset fileG1101.BOFData fileNED8531
HULL
Length Overall9.430 mMaximum Beam3.102 mDraft1.515 mDisplacement3,900 kgDLR8.3858IMS DivisionCruiser/RacerDynamic Allowance0.430%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.430m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.7626.15Headsail Luffed22.7722.77Headsail FlyingSymmetric51.1451.15Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.01Storm Jib5.60Heavy Weather Jib15.12
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 79.5 kg·m Stability Index 120.6
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  04310004JQ9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
BojanglesNED 8531
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 VMG1722.51207.3998.7892.6840.1822.6817.7830.6870.9
52°1087.3786.8667.4608.2582.3571.0567.0566.6575.4
60°1004.6744.9638.8589.3566.6554.6549.6546.6550.1
75°950.7716.8618.4574.6552.1538.0528.3519.4516.7
90°975.5726.6612.7564.5541.7530.8517.7495.7483.2
110°999.3720.1605.0557.2530.8509.6489.8466.1452.6
120°1046.4747.3620.4563.8534.4511.4488.1448.0430.1
135°1205.9834.2676.3590.9550.4524.2500.2452.0414.8
150°1458.4980.0764.8646.8580.8546.0521.5473.9432.1
Run VMG1684.01131.6881.7741.3649.6593.2556.9510.0466.0
Selected Courses
Windward / Leeward1703.31169.5940.2817.0744.8707.9687.3670.3668.4
All purpose1277.6899.8739.4658.2614.9592.2577.0558.3552.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward783.20.7661
All purpose639.10.9388
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6553
Downwind "popa"0.8293
70% up, 30% down "Ilhabela"0.6993
30% up, 70% down "Ilhabela-inverso"0.7681
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Predominantly Upwind694.90.8634
Predominantly Downwind642.80.9334
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP666.40.9004 Predom. Rc High526.01.1406 5B SF Bay L/M861.90.6961 TriNum AP Low819.60.7320 Predom. Dn Low996.40.6022 5B SF Bay Med740.00.8108 TriNum AP Med634.10.9462 Predom. Dn L/M727.90.8243 5B SF Bay M/H680.00.8824 TriNum AP High573.81.0457 Predom. Dn Med619.20.9690 5B SF Bay High662.20.9061 TriNum W/L Low1107.40.5418 Predom. Dn M/H556.41.0784 5B AP Low910.20.6592 TriNum W/L Med775.90.7733 Predom. Dn High521.61.1503 5B AP L/M716.10.8379 TriNum W/L Hig686.10.8745 ChiMac Up Low878.50.6830 5B AP Med625.50.9592 Predom. Upwind726.30.8261 ChiMac Up Med792.80.7568 5B AP M/H579.61.0352 Predom. Reaching637.20.9417 ChiMac Up High695.90.8622 5B AP High560.51.0705 Predom. Downwind674.20.8899 ChiMac Off Low852.30.7040 5B W/L Low1245.60.4817 Predom. Up Low1002.00.5988 ChiMac Off Med750.60.7993 5B W/L L/M901.70.6654 Predom. Up L/M760.20.7893 ChiMac Off High631.60.9499 5B W/L Med762.20.7872 Predom. Up Med672.10.8927 ChiMac AP Low861.00.6969 5B W/L M/H692.70.8661 Predom. Up M/H634.50.9457 ChiMac AP Med768.60.7807 5B W/L High672.90.8917 Predom. Up High625.90.9587 ChiMac AP High661.80.9066 W/L 60-40 Low1253.30.4787 Predom. Rc Low886.50.6768 BayMac Cove Island993.90.6037 W/L 60-40 L/M915.10.6557 Predom. Rc L/M672.50.8921 BayMac Shore985.60.6087 W/L 60-40 Med781.20.7680 Predom. Rc Med592.81.0121 Harvest Moon561.01.0695 W/L 60-40 M/H718.70.8348 Predom. Rc M/H550.31.0904 5B SF Bay Low1047.20.5729 W/L 60-40 High705.40.8506      SA/DSPL Up19.50SA/DSPL Dn30.89
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance694.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating694.60.8638
FinRating, kevyt tuuli1226.90.8151
FinRating, kova tuuli564.00.8865
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8638
Triple Number Coastal/Long Distance Low0.7320
Triple Number Coastal/Long Distance Medium0.9463
Triple Number Coastal/Long Distance High1.0457
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7733
Triple Number Windward/Leeward High0.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
For information
General Purpose Handicap (GPH)716.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Saronikos S All Purpose731.00.8208
Saronikos S Upwind827.80.7248
Saronikos S Downwind612.40.9797
Saronikos N All Purpose771.90.7773
Saronikos N Upwind868.10.6912
Saronikos N Downwind670.30.8952
Saronikos SW All Purpose738.00.8130
Saronikos SW Upwind849.00.7067
Saronikos SW Downwind625.20.9597
Saronikos NE All Purpose797.90.7519
Saronikos NE Upwind811.70.7392
Saronikos NE Downwind755.60.7941
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose666.40.9004
5-Band All Purpose Low994.20.6035
5-Band All Purpose L/M741.60.8091
5-Band All Purpose Med644.30.9312
5-Band All Purpose M/H594.61.0091
5-Band All Purpose High573.01.0470
Single Number Predominant Upwind693.50.8652
Single Number Predominant Reaching611.00.9819
Single Number Predominant Downwind643.60.9322
5-Band 50-50 Windward/Leeward Low1245.60.4817
5-Band 50-50 Windward/Leeward L/M901.70.6654
5-Band 50-50 Windward/Leeward Med762.20.7872
5-Band 50-50 Windward/Leeward M/H692.70.8661
5-Band 50-50 Windward/Leeward High672.90.8917
5-Band 60-40 Windward/Leeward Low1253.30.4787
5-Band 60-40 Windward/Leeward L/M915.10.6557
5-Band 60-40 Windward/Leeward Med781.20.7680
5-Band 60-40 Windward/Leeward M/H718.70.8348
5-Band 60-40 Windward/Leeward High705.40.8506
Triple Number 50-50 Windward/Leeward Low1107.40.5418
Triple Number 50-50 Windward/Leeward Med776.00.7732
Triple Number 50-50 Windward/Leeward High686.10.8745
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward802.30.7479
Triple Number 60-40 Windward/Leeward Low1116.80.5373
Triple Number 60-40 Windward/Leeward Med794.10.7555
Triple Number 60-40 Windward/Leeward High713.60.8408
Triple Number All-Purpose Low891.80.6728
Triple Number All-Purpose Med653.60.9181
Triple Number All-Purpose High588.21.0201
Triple Number Predominant Upwind Low911.10.6586
Triple Number Predominant Upwind Med683.00.8784
Triple Number Predominant Upwind High638.50.9396
Triple Number Predominant Reaching Low804.60.7457
Triple Number Predominant Reaching Med610.30.9832
Triple Number Predominant Reaching High533.81.1241
Triple Number Predominant Downwind Low887.40.6761
Triple Number Predominant Downwind Med629.50.9531
Triple Number Predominant Downwind High534.51.1224
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low819.7
Triple Number Coastal/Long Distance Medium634.0
Triple Number Coastal/Long Distance High573.8
Triple Number Windward/Leeward Low1054.9
Triple Number Windward/Leeward Medium775.9
Triple Number Windward/Leeward High686.1
Predominantly Upwind694.9
Predominantly Downwind642.8
Predominantly Reaching619.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7320
Triple Number Coastal/Long Distance Medium0.9463
Triple Number Coastal/Long Distance High1.0457
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7733
Triple Number Windward/Leeward High0.8745
Coastal/Long Distance0.8638
Predominantly Upwind0.8634
Predominantly Downwind0.9334
For information
General Purpose Handicap (GPH)716.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9388
Distanseseilas Trippeltall svak vind0.7320
Distanseseilas Trippeltall mellomvind0.9463
Distanseseilas Trippeltall sterk vind1.0457
Pølsebane Trippeltall svak vind0.5688
Pølsebane Trippeltall mellomvind0.7733
Pølsebane Trippeltall sterk vind0.8745
Motvind Singeltall0.8634
Medvind Singeltall0.9334
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Coastal/Long Distance694.60.8638
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind694.90.8634
Predominantly Downwind642.80.9334
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore669.00.8969
Cape Doctor Coastal554.11.0829
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7320
Triple Number Coastal/Long Distance Medium0.9463
Triple Number Coastal/Long Distance High1.0457
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7733
Triple Number Windward/Leeward High0.8745
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7320
Triple Number Coastal/Long Distance Medium0.9463
Triple Number Coastal/Long Distance High1.0457
Triple Number Windward/Leeward Low0.5688
Triple Number Windward/Leeward Medium0.7733
Triple Number Windward/Leeward High0.8745
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Predominantly Upwind694.90.8634
Predominantly Downwind642.80.9334
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance694.60.8638
Triple Number Coastal/Long Distance Low819.70.7320
Triple Number Coastal/Long Distance Medium634.00.9463
Triple Number Coastal/Long Distance High573.81.0457
Triple Number Windward/Leeward Low1054.90.5688
Triple Number Windward/Leeward Medium775.90.7733
Triple Number Windward/Leeward High686.10.8745
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1701.31165.7884.0738.6655.9614.6582.6529.2518.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP666.40.9004 Predom. Dn High521.61.1503 5B AP M/H579.61.0352 TriNum AP Low819.60.7320 Predom. Rc Low886.50.6768 5B AP High560.51.0705 TriNum AP Med634.10.9462 Predom. Rc L/M672.50.8921 5B SF Bay Low1047.20.5729 TriNum AP High573.81.0457 Predom. Rc Med592.81.0121 5B SF Bay L/M861.90.6961 TriNum W/L Low1107.40.5418 Predom. Rc M/H550.31.0904 5B SF Bay Med740.00.8108 TriNum W/L Med775.90.7733 Predom. Rc High526.01.1406 5B SF Bay M/H680.00.8824 TriNum W/L Hig686.10.8745 5B W/L Low1245.60.4817 5B SF Bay High662.20.9061 Predom. Upwind726.30.8261 5B W/L L/M901.70.6654 ChiMac Up Low878.50.6830 Predom. Reaching637.20.9417 5B W/L Med762.20.7872 ChiMac Up Med792.80.7568 Predom. Downwind674.20.8899 5B W/L M/H692.70.8661 ChiMac Up High695.90.8622 Predom. Up Low1002.00.5988 5B W/L High672.90.8917 ChiMac Off Low852.30.7040 Predom. Up L/M760.20.7893 W/L 60-40 Low1253.30.4787 ChiMac Off Med750.60.7993 Predom. Up Med672.10.8927 W/L 60-40 L/M915.10.6557 ChiMac Off High631.60.9499 Predom. Up M/H634.50.9457 W/L 60-40 Med781.20.7680 ChiMac AP Low861.00.6969 Predom. Up High625.90.9587 W/L 60-40 M/H718.70.8348 ChiMac AP Med768.60.7807 Predom. Dn Low996.40.6022 W/L 60-40 High705.40.8506 ChiMac AP High661.80.9066 Predom. Dn L/M727.90.8243 5B AP Low910.20.6592 BayMac Cove Island993.90.6037 Predom. Dn Med619.20.9690 5B AP L/M716.10.8379 BayMac Shore985.60.6087 Predom. Dn M/H556.41.0784 5B AP Med625.50.9592 Harvest Moon561.01.0695      SA/DSPL Up19.50SA/DSPL Dn30.89
ORC Ref  04310004JQ9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
BojanglesNED 8531
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler 31Measurement18/04/2015HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.430Maximum beam3.102Draft1.515Displacement3,900Wetted area19.22IMS L7.881LSM07.747Accomod. length9.430Sink (kg/mm) 14.30
VCGD0.015VCGM0.017 RM Rated (kg·m) 79.5Limit of positive stability(°) 120.8 Stability Index 120.6 BLR index 0.0000Default crew weight170 Declared crew weight 0
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBWPIPA0.0007
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P11.150IG10.580ISP10.580MDT10.124MDL10.168MDT2MDL2TLNo TaperMWGO
E4.100J3.300BAS1.460FSDFoilSFJ0.220SPL3.400WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/04/2015
SFFP0.551FFM1.238FF1.249LCFcl5.311SG1.0000
SAFP8.662FAM0.918FA0.927LCFsh5.535HBI1.079
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG01Fuel solid0.900050127.00Total deductible117.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2ToolsGereedschapskist en potten en pannen206.1001Deck GearSchoten, stootwillen en landvasten103.30Total deductible305.17
ORC Ref  04310004JQ9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
BojanglesNED 8531
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.140.761.382.443.3025.7628/04/2015
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.571.102.213.394.5810.08NoNo 22.7720240.080.500.931.832.723.5610.08YesNo 18.34
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC10.6010.6010.605.805.7551.1418/04/2015
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity38 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04310004JQ9 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org