Double HandedClub Certificate2026
Jam SessionNED 6630
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°44.0°41.8°40.4°39.3°38.8°38.5°38.6°39.6°
Beat VMG2.263.274.024.564.885.025.105.165.09
52°3.585.026.016.666.997.157.237.327.32
60°3.875.316.296.877.187.367.467.577.59
75°4.095.536.487.047.367.607.798.008.11
90°4.065.676.747.277.527.717.968.388.68
110°4.185.826.937.517.958.328.599.129.62
120°4.065.706.847.457.948.428.929.8010.62
135°3.605.156.357.147.658.168.6910.2612.47
150°2.984.345.496.457.127.578.018.9910.90
Run VMG2.583.764.755.586.196.637.027.799.44
Gybe Angles139.5°143.0°146.9°149.9°152.5°156.5°159.9°146.9°142.2°
APH ToD:558.6CDL: 8.921APH ToT: 1.0740CertNo:
BOAT
ClassJ-105DesignerR. JohnstoneBuilderJ Boats inc.Age date05/1998Series date01/1992Offset filej105-SD.offData fileNED6630
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft1.752 mDisplacement4,508 kgDLR4.9186IMS DivisionPerformanceDynamic Allowance0.210%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameterm
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.5134.19Headsail Luffed24.3524.35Headsail FlyingSymmetricAsymmetric88.3788.37 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.88Storm Jib7.45Heavy Weather Jib20.10
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 114.4 kg·m Stability Index 121.2
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  04310004JOD Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Jam SessionNED 6630
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 VMG1590.71102.2895.0789.6738.1716.8705.3698.3707.9
52°1006.7717.7598.5540.6515.3503.7497.6491.9492.1
60°931.1677.9572.7523.7501.4489.4482.7475.7474.5
75°880.9651.6555.5511.7489.0473.8462.4449.9443.9
90°887.2634.8533.9495.5479.0467.2452.5429.5414.8
110°861.3618.1519.6479.5452.9432.7419.3394.8374.3
120°887.2631.3526.5483.0453.2427.7403.5367.3338.9
135°1001.3698.8567.1504.4470.4441.4414.0350.9288.8
150°1209.3829.3656.0558.3505.5475.3449.5400.4330.3
Run VMG1396.4957.6757.4644.6581.2542.9513.0462.3381.4
Selected Courses
Windward / Leeward1493.51029.9826.2717.1659.7629.8609.2580.3544.7
All purpose1128.7791.6647.6576.4539.2517.3500.8474.9450.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward691.30.8679
All purpose558.61.0740
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7440
Downwind "popa"0.9419
70% up, 30% down "Ilhabela"0.7940
30% up, 70% down "Ilhabela-inverso"0.8723
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Predominantly Upwind610.90.9821
Predominantly Downwind560.31.0709
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP581.91.0311 Predom. Rc High443.41.3530 5B SF Bay L/M757.50.7921 TriNum AP Low719.60.8338 Predom. Dn Low855.90.7010 5B SF Bay Med650.10.9229 TriNum AP Med555.21.0807 Predom. Dn L/M630.20.9520 5B SF Bay M/H592.71.0124 TriNum AP High495.21.2117 Predom. Dn Med541.61.1078 5B SF Bay High561.41.0688 TriNum W/L Low973.70.6162 Predom. Dn M/H484.81.2376 5B AP Low796.80.7530 TriNum W/L Med685.20.8756 Predom. Dn High440.61.3618 5B AP L/M627.70.9559 TriNum W/L Hig603.50.9942 ChiMac Up Low782.20.7671 5B AP Med547.51.0959 Predom. Upwind638.80.9393 ChiMac Up Med701.50.8553 5B AP M/H502.41.1942 Predom. Reaching554.31.0824 ChiMac Up High608.20.9865 5B AP High475.11.2628 Predom. Downwind584.41.0266 ChiMac Off Low735.90.8154 5B W/L Low1094.90.5480 Predom. Up Low897.50.6685 ChiMac Off Med650.40.9224 5B W/L L/M793.20.7565 Predom. Up L/M672.50.8922 ChiMac Off High547.41.0960 5B W/L Med673.90.8903 Predom. Up Med591.01.0153 ChiMac AP Low755.50.7942 5B W/L M/H612.00.9803 Predom. Up M/H551.21.0886 ChiMac AP Med673.60.8907 5B W/L High579.21.0360 Predom. Up High531.81.1282 ChiMac AP High576.51.0408 W/L 60-40 Low1110.40.5403 Predom. Rc Low775.20.7740 BayMac Cove Island872.00.6881 W/L 60-40 L/M807.60.7430 Predom. Rc L/M586.21.0235 BayMac Shore866.00.6928 W/L 60-40 Med689.80.8698 Predom. Rc Med518.01.1583 Harvest Moon486.91.2324 W/L 60-40 M/H631.40.9503 Predom. Rc M/H475.61.2615 5B SF Bay Low923.90.6494 W/L 60-40 High603.60.9941      SA/DSPL Up21.10SA/DSPL Dn44.44
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance607.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating607.90.9871
FinRating, kevyt tuuli1076.30.9291
FinRating, kova tuuli476.21.0501
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9871
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0808
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.6465
Triple Number Windward/Leeward Medium0.8756
Triple Number Windward/Leeward High0.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
For information
General Purpose Handicap (GPH)627.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Saronikos S All Purpose646.20.9285
Saronikos S Upwind738.70.8122
Saronikos S Downwind528.71.1348
Saronikos N All Purpose675.20.8886
Saronikos N Upwind773.30.7759
Saronikos N Downwind574.31.0448
Saronikos SW All Purpose648.40.9254
Saronikos SW Upwind762.00.7874
Saronikos SW Downwind530.01.1322
Saronikos NE All Purpose696.20.8618
Saronikos NE Upwind724.10.8286
Saronikos NE Downwind641.80.9349
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose581.91.0311
5-Band All Purpose Low872.80.6874
5-Band All Purpose L/M649.40.9240
5-Band All Purpose Med565.51.0611
5-Band All Purpose M/H517.91.1586
5-Band All Purpose High486.61.2329
Single Number Predominant Upwind610.10.9834
Single Number Predominant Reaching532.51.1267
Single Number Predominant Downwind560.81.0700
5-Band 50-50 Windward/Leeward Low1094.90.5480
5-Band 50-50 Windward/Leeward L/M793.20.7565
5-Band 50-50 Windward/Leeward Med673.90.8903
5-Band 50-50 Windward/Leeward M/H612.00.9803
5-Band 50-50 Windward/Leeward High579.21.0360
5-Band 60-40 Windward/Leeward Low1110.40.5403
5-Band 60-40 Windward/Leeward L/M807.60.7430
5-Band 60-40 Windward/Leeward Med689.80.8698
5-Band 60-40 Windward/Leeward M/H631.40.9503
5-Band 60-40 Windward/Leeward High603.60.9941
Triple Number 50-50 Windward/Leeward Low973.70.6162
Triple Number 50-50 Windward/Leeward Med685.30.8755
Triple Number 50-50 Windward/Leeward High603.50.9942
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward707.60.8479
Triple Number 60-40 Windward/Leeward Low988.40.6070
Triple Number 60-40 Windward/Leeward Med700.90.8561
Triple Number 60-40 Windward/Leeward High623.90.9616
Triple Number All-Purpose Low781.80.7675
Triple Number All-Purpose Med573.41.0463
Triple Number All-Purpose High509.81.1770
Triple Number Predominant Upwind Low811.40.7395
Triple Number Predominant Upwind Med601.00.9983
Triple Number Predominant Upwind High552.01.0869
Triple Number Predominant Reaching Low702.70.8538
Triple Number Predominant Reaching Med533.81.1240
Triple Number Predominant Reaching High458.01.3102
Triple Number Predominant Downwind Low764.60.7847
Triple Number Predominant Downwind Med550.21.0906
Triple Number Predominant Downwind High463.31.2952
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low719.6
Triple Number Coastal/Long Distance Medium555.1
Triple Number Coastal/Long Distance High495.2
Triple Number Windward/Leeward Low928.1
Triple Number Windward/Leeward Medium685.2
Triple Number Windward/Leeward High603.5
Predominantly Upwind610.9
Predominantly Downwind560.3
Predominantly Reaching539.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0808
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.6465
Triple Number Windward/Leeward Medium0.8756
Triple Number Windward/Leeward High0.9942
Coastal/Long Distance0.9871
Predominantly Upwind0.9821
Predominantly Downwind1.0709
For information
General Purpose Handicap (GPH)627.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0740
Distanseseilas Trippeltall svak vind0.8338
Distanseseilas Trippeltall mellomvind1.0808
Distanseseilas Trippeltall sterk vind1.2117
Pølsebane Trippeltall svak vind0.6465
Pølsebane Trippeltall mellomvind0.8756
Pølsebane Trippeltall sterk vind0.9942
Motvind Singeltall0.9821
Medvind Singeltall1.0709
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Coastal/Long Distance607.90.9871
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind610.90.9821
Predominantly Downwind560.31.0709
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore555.41.0804
Cape Doctor Coastal457.71.3110
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0808
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.6465
Triple Number Windward/Leeward Medium0.8756
Triple Number Windward/Leeward High0.9942
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8338
Triple Number Coastal/Long Distance Medium1.0808
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.6465
Triple Number Windward/Leeward Medium0.8756
Triple Number Windward/Leeward High0.9942
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Predominantly Upwind610.90.9821
Predominantly Downwind560.31.0709
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.90.9871
Triple Number Coastal/Long Distance Low719.60.8338
Triple Number Coastal/Long Distance Medium555.11.0808
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low928.10.6465
Triple Number Windward/Leeward Medium685.20.8756
Triple Number Windward/Leeward High603.50.9942
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.81022.7775.4647.3575.5537.2504.9452.7428.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP581.91.0311 Predom. Dn High440.61.3618 5B AP M/H502.41.1942 TriNum AP Low719.60.8338 Predom. Rc Low775.20.7740 5B AP High475.11.2628 TriNum AP Med555.21.0807 Predom. Rc L/M586.21.0235 5B SF Bay Low923.90.6494 TriNum AP High495.21.2117 Predom. Rc Med518.01.1583 5B SF Bay L/M757.50.7921 TriNum W/L Low973.70.6162 Predom. Rc M/H475.61.2615 5B SF Bay Med650.10.9229 TriNum W/L Med685.20.8756 Predom. Rc High443.41.3530 5B SF Bay M/H592.71.0124 TriNum W/L Hig603.50.9942 5B W/L Low1094.90.5480 5B SF Bay High561.41.0688 Predom. Upwind638.80.9393 5B W/L L/M793.20.7565 ChiMac Up Low782.20.7671 Predom. Reaching554.31.0824 5B W/L Med673.90.8903 ChiMac Up Med701.50.8553 Predom. Downwind584.41.0266 5B W/L M/H612.00.9803 ChiMac Up High608.20.9865 Predom. Up Low897.50.6685 5B W/L High579.21.0360 ChiMac Off Low735.90.8154 Predom. Up L/M672.50.8922 W/L 60-40 Low1110.40.5403 ChiMac Off Med650.40.9224 Predom. Up Med591.01.0153 W/L 60-40 L/M807.60.7430 ChiMac Off High547.41.0960 Predom. Up M/H551.21.0886 W/L 60-40 Med689.80.8698 ChiMac AP Low755.50.7942 Predom. Up High531.81.1282 W/L 60-40 M/H631.40.9503 ChiMac AP Med673.60.8907 Predom. Dn Low855.90.7010 W/L 60-40 High603.60.9941 ChiMac AP High576.51.0408 Predom. Dn L/M630.20.9520 5B AP Low796.80.7530 BayMac Cove Island872.00.6881 Predom. Dn Med541.61.1078 5B AP L/M627.70.9559 BayMac Shore866.00.6928 Predom. Dn M/H484.81.2376 5B AP Med547.51.0959 Harvest Moon486.91.2324      SA/DSPL Up21.10SA/DSPL Dn44.44
ORC Ref  04310004JOD Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Jam SessionNED 6630
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-105Measurement30/08/2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft1.752Displacement4,508Wetted area24.07IMS L9.657LSM09.713Accomod. length10.570Sink (kg/mm) 18.05
VCGD-0.100VCGM-0.151 RM Rated (kg·m) 114.4Limit of positive stability(°) 121.4 Stability Index 121.2 BLR index 0.0000Default crew weight170 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRDPBW
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.650IG12.200ISP12.840MDT10.108MDL10.170MDT2MDL2TLTaperMWGO
E4.460J4.140BAS1.550FSDSFJSPLWPLTPS5.850BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date30/08/2023
SFFP0.966FFM1.059FF1.061LCFcl5.950SG1.0180
SAFP10.056FAM0.725FA0.726LCFsh6.187HBI0.893
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2fresh water12006.241fuel1491496.24Total deductible
Total deductible
ORC Ref  04310004JOD Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Jam SessionNED 6630
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0020.150.961.692.863.7233.5130/08/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.050.530.991.983.024.0712.08NoNo 24.3530/08/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment201615.1012.0513.587.728.1894%88.3721/01/2016
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04310004JOD Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org