Double HandedClub Certificate2026
Just OndeugdGBR 4860R
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 Angles46.0°43.0°41.1°39.6°38.8°38.4°38.2°38.7°39.7°
Beat VMG2.703.824.615.075.285.395.465.515.37
52°4.235.796.837.337.547.657.737.807.72
60°4.546.097.087.557.767.877.958.038.01
75°4.776.297.247.738.008.178.288.458.52
90°4.816.477.457.898.138.348.568.879.07
110°4.666.417.538.068.398.759.079.599.88
120°4.496.317.498.098.558.899.1910.1210.92
135°4.025.717.037.818.348.869.4410.8111.91
150°3.324.806.027.067.788.268.729.8311.81
Run VMG2.884.165.226.116.787.227.628.5110.23
Gybe Angles139.3°142.4°146.2°149.6°153.0°155.9°158.1°147.5°144.4°
APH ToD:512.3CDL: 10.266APH ToT: 1.1711CertNo:
BOAT
ClassJ-122DesignerJ. JohnstoneBuilderJ Boats FranceAge date01/2008Series date01/2007Offset fileJ122 VER.offData fileGBR4860R
HULL
Length Overall12.190 mMaximum Beam3.638 mDraft2.231 mDisplacement7,240 kgDLR5.7346IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.618%RS Assessment-0.254%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.410m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.9850.98Headsail Luffed40.0740.07Headsail FlyingSymmetricAsymmetric157.28157.28 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail14.64Storm Jib13.83Heavy Weather Jib37.34
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 190.1 kg·m Stability Index 129.9
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  04310004TAB Issued on 16/06/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Just OndeugdGBR 4860R
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 VMG1335.3942.7780.2709.9682.2667.6658.8653.3670.6
52°851.7621.4527.0490.9477.5470.4466.0461.8466.1
60°793.3591.3508.3476.6463.7457.3452.8448.1449.6
75°754.0572.0497.0465.9450.3440.7434.6426.0422.6
90°748.8556.6483.3456.0442.7431.5420.4405.7396.7
110°772.8561.8478.3446.5429.0411.5396.9375.2364.3
120°801.3570.8480.8444.9421.0404.9391.5355.9329.6
135°896.0630.9512.0461.1431.9406.4381.4333.0302.3
150°1082.9750.0597.8510.1462.6435.8412.7366.2304.8
Run VMG1250.4866.0690.2589.0530.9498.6472.7422.9352.0
Selected Courses
Windward / Leeward1292.8904.4735.2649.5606.5583.1565.8538.1511.3
All purpose978.2697.5579.1524.9498.0480.9467.4445.2429.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward630.70.9513
All purpose512.31.1711
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8244
Downwind "popa"1.0319
70% up, 30% down "Ilhabela"0.8773
30% up, 70% down "Ilhabela-inverso"0.9594
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Predominantly Upwind556.91.0774
Predominantly Downwind511.41.1733
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP532.11.1276 Predom. Rc High418.11.4349 5B SF Bay L/M678.40.8845 TriNum AP Low638.30.9400 Predom. Dn Low760.80.7886 5B SF Bay Med595.71.0071 TriNum AP Med509.51.1777 Predom. Dn L/M570.41.0519 5B SF Bay M/H550.41.0901 TriNum AP High462.41.2975 Predom. Dn Med496.71.2080 5B SF Bay High523.81.1455 TriNum W/L Low858.50.6989 Predom. Dn M/H448.81.3368 5B AP Low704.20.8520 TriNum W/L Med625.70.9589 Predom. Dn High412.91.4530 5B AP L/M565.51.0611 TriNum W/L Hig559.71.0720 ChiMac Up Low689.10.8707 5B AP Med503.81.1910 Predom. Upwind579.61.0352 ChiMac Up Med627.70.9558 5B AP M/H468.51.2807 Predom. Reaching505.21.1876 ChiMac Up High556.01.0791 5B AP High446.21.3446 Predom. Downwind532.91.1260 ChiMac Off Low660.10.9090 5B W/L Low959.20.6255 Predom. Up Low777.70.7715 ChiMac Off Med588.31.0199 5B W/L L/M710.90.8440 Predom. Up L/M601.10.9981 ChiMac Off High501.81.1958 5B W/L Med617.00.9724 Predom. Up Med542.71.1056 ChiMac AP Low671.50.8936 5B W/L M/H567.41.0574 Predom. Up M/H513.51.1684 ChiMac AP Med605.90.9903 5B W/L High538.21.1148 Predom. Up High499.31.2016 ChiMac AP High527.81.1369 W/L 60-40 Low967.40.6202 Predom. Rc Low681.10.8809 BayMac Cove Island770.90.7783 W/L 60-40 L/M721.70.8314 Predom. Rc L/M529.21.1337 BayMac Shore765.00.7843 W/L 60-40 Med631.70.9498 Predom. Rc Med476.11.2602 Harvest Moon450.61.3316 W/L 60-40 M/H586.21.0235 Predom. Rc M/H442.01.3575 5B SF Bay Low811.50.7393 W/L 60-40 High562.01.0675      SA/DSPL Up23.91SA/DSPL Dn55.01
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance556.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating556.51.0782
FinRating, kevyt tuuli942.61.0609
FinRating, kova tuuli448.21.1156
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0782
Triple Number Coastal/Long Distance Low0.9400
Triple Number Coastal/Long Distance Medium1.1778
Triple Number Coastal/Long Distance High1.2975
Triple Number Windward/Leeward Low0.7319
Triple Number Windward/Leeward Medium0.9589
Triple Number Windward/Leeward High1.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
For information
General Purpose Handicap (GPH)570.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Saronikos S All Purpose581.91.0311
Saronikos S Upwind657.80.9121
Saronikos S Downwind485.01.2372
Saronikos N All Purpose609.10.9851
Saronikos N Upwind685.30.8755
Saronikos N Downwind525.01.1428
Saronikos SW All Purpose580.91.0329
Saronikos SW Upwind670.90.8943
Saronikos SW Downwind487.81.2299
Saronikos NE All Purpose626.00.9585
Saronikos NE Upwind641.80.9349
Saronikos NE Downwind584.81.0259
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose532.11.1276
5-Band All Purpose Low765.50.7838
5-Band All Purpose L/M584.21.0271
5-Band All Purpose Med519.01.1560
5-Band All Purpose M/H481.11.2473
5-Band All Purpose High456.51.3144
Single Number Predominant Upwind555.81.0795
Single Number Predominant Reaching486.81.2324
Single Number Predominant Downwind512.21.1715
5-Band 50-50 Windward/Leeward Low959.20.6255
5-Band 50-50 Windward/Leeward L/M710.90.8440
5-Band 50-50 Windward/Leeward Med617.00.9724
5-Band 50-50 Windward/Leeward M/H567.41.0574
5-Band 50-50 Windward/Leeward High538.21.1148
5-Band 60-40 Windward/Leeward Low967.40.6202
5-Band 60-40 Windward/Leeward L/M721.70.8314
5-Band 60-40 Windward/Leeward Med631.70.9498
5-Band 60-40 Windward/Leeward M/H586.21.0235
5-Band 60-40 Windward/Leeward High562.01.0675
Triple Number 50-50 Windward/Leeward Low858.50.6989
Triple Number 50-50 Windward/Leeward Med625.80.9588
Triple Number 50-50 Windward/Leeward High559.71.0720
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward645.30.9298
Triple Number 60-40 Windward/Leeward Low867.20.6919
Triple Number 60-40 Windward/Leeward Med639.80.9378
Triple Number 60-40 Windward/Leeward High579.61.0353
Triple Number All-Purpose Low690.90.8685
Triple Number All-Purpose Med525.11.1426
Triple Number All-Purpose High474.41.2647
Triple Number Predominant Upwind Low709.90.8452
Triple Number Predominant Upwind Med549.71.0915
Triple Number Predominant Upwind High515.51.1639
Triple Number Predominant Reaching Low622.50.9639
Triple Number Predominant Reaching Med489.41.2259
Triple Number Predominant Reaching High427.01.4051
Triple Number Predominant Downwind Low682.90.8787
Triple Number Predominant Downwind Med503.91.1906
Triple Number Predominant Downwind High429.41.3972
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low638.3
Triple Number Coastal/Long Distance Medium509.4
Triple Number Coastal/Long Distance High462.4
Triple Number Windward/Leeward Low819.8
Triple Number Windward/Leeward Medium625.7
Triple Number Windward/Leeward High559.7
Predominantly Upwind556.9
Predominantly Downwind511.4
Predominantly Reaching492.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9400
Triple Number Coastal/Long Distance Medium1.1778
Triple Number Coastal/Long Distance High1.2975
Triple Number Windward/Leeward Low0.7319
Triple Number Windward/Leeward Medium0.9589
Triple Number Windward/Leeward High1.0720
Coastal/Long Distance1.0782
Predominantly Upwind1.0774
Predominantly Downwind1.1733
For information
General Purpose Handicap (GPH)570.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1711
Distanseseilas Trippeltall svak vind0.9400
Distanseseilas Trippeltall mellomvind1.1778
Distanseseilas Trippeltall sterk vind1.2975
Pølsebane Trippeltall svak vind0.7319
Pølsebane Trippeltall mellomvind0.9589
Pølsebane Trippeltall sterk vind1.0720
Motvind Singeltall1.0774
Medvind Singeltall1.1733
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Coastal/Long Distance556.51.0782
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind556.91.0774
Predominantly Downwind511.41.1733
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore519.31.1553
Cape Doctor Coastal433.91.3827
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9400
Triple Number Coastal/Long Distance Medium1.1778
Triple Number Coastal/Long Distance High1.2975
Triple Number Windward/Leeward Low0.7319
Triple Number Windward/Leeward Medium0.9589
Triple Number Windward/Leeward High1.0720
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9400
Triple Number Coastal/Long Distance Medium1.1778
Triple Number Coastal/Long Distance High1.2975
Triple Number Windward/Leeward Low0.7319
Triple Number Windward/Leeward Medium0.9589
Triple Number Windward/Leeward High1.0720
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Predominantly Upwind556.91.0774
Predominantly Downwind511.41.1733
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance556.51.0782
Triple Number Coastal/Long Distance Low638.30.9400
Triple Number Coastal/Long Distance Medium509.41.1778
Triple Number Coastal/Long Distance High462.41.2975
Triple Number Windward/Leeward Low819.80.7319
Triple Number Windward/Leeward Medium625.70.9589
Triple Number Windward/Leeward High559.71.0720
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1288.6900.5691.7587.8530.7499.4472.9426.4406.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP532.11.1276 Predom. Dn High412.91.4530 5B AP M/H468.51.2807 TriNum AP Low638.30.9400 Predom. Rc Low681.10.8809 5B AP High446.21.3446 TriNum AP Med509.51.1777 Predom. Rc L/M529.21.1337 5B SF Bay Low811.50.7393 TriNum AP High462.41.2975 Predom. Rc Med476.11.2602 5B SF Bay L/M678.40.8845 TriNum W/L Low858.50.6989 Predom. Rc M/H442.01.3575 5B SF Bay Med595.71.0071 TriNum W/L Med625.70.9589 Predom. Rc High418.11.4349 5B SF Bay M/H550.41.0901 TriNum W/L Hig559.71.0720 5B W/L Low959.20.6255 5B SF Bay High523.81.1455 Predom. Upwind579.61.0352 5B W/L L/M710.90.8440 ChiMac Up Low689.10.8707 Predom. Reaching505.21.1876 5B W/L Med617.00.9724 ChiMac Up Med627.70.9558 Predom. Downwind532.91.1260 5B W/L M/H567.41.0574 ChiMac Up High556.01.0791 Predom. Up Low777.70.7715 5B W/L High538.21.1148 ChiMac Off Low660.10.9090 Predom. Up L/M601.10.9981 W/L 60-40 Low967.40.6202 ChiMac Off Med588.31.0199 Predom. Up Med542.71.1056 W/L 60-40 L/M721.70.8314 ChiMac Off High501.81.1958 Predom. Up M/H513.51.1684 W/L 60-40 Med631.70.9498 ChiMac AP Low671.50.8936 Predom. Up High499.31.2016 W/L 60-40 M/H586.21.0235 ChiMac AP Med605.90.9903 Predom. Dn Low760.80.7886 W/L 60-40 High562.01.0675 ChiMac AP High527.81.1369 Predom. Dn L/M570.41.0519 5B AP Low704.20.8520 BayMac Cove Island770.90.7783 Predom. Dn Med496.71.2080 5B AP L/M565.51.0611 BayMac Shore765.00.7843 Predom. Dn M/H448.81.3368 5B AP Med503.81.1910 Harvest Moon450.61.3316      SA/DSPL Up23.91SA/DSPL Dn55.01
ORC Ref  04310004TAB Issued on 16/06/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Just OndeugdGBR 4860R
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-122Measurement28/05/2026HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.190Maximum beam3.638Draft2.231Displacement7,240Wetted area30.87IMS L10.948LSM010.807Accomod. length11.823Sink (kg/mm) 23.10
VCGD-0.079VCGM-0.108 RM Rated (kg·m) 190.1Limit of positive stability(°) 125.7 Stability Index 129.9 BLR index 0.0000Default crew weight170 Declared crew weight 200
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.110PIPA0.0040
EDL2.390ST10.065ST20.188
ST30.188ST40.110ST50.295
RIG
BackstayAdjustable (NMP)ForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P15.630IG16.630ISP17.500MDT10.112MDL10.223MDT2MDL2TLTaperMWGO
E5.350J4.600BAS1.795FSDFoilSFJ0.300SPLWPLTPS6.450BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date28/05/2026Measurer65
SFFP0.300FFM1.351FF1.365LCFcl6.755SG1.0000
SAFP11.850FAM0.974FA0.980LCFsh6.986HBI1.149
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Water12005.001Fuel80405.20Total deductible345.20
OTHER ITEMSIdKindDescriptionWeightLCGVCG5Battery2x 150 Ah port6.604Battery72 Ah7.883Engine (IC)Volvo Penta D-4Total deductible
ORC Ref  04310004TAB Issued on 16/06/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Just OndeugdGBR 4860R
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.141.142.043.484.5049.98Offshore00.131.142.023.474.4949.83Inshore
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ2-20.080.661.262.423.584.8016.55YesNo 40.072025J2-10.080.661.252.423.584.8016.54YesNo 40.022023J30.080.621.182.303.474.7216.47YesNo 38.52
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment019.9016.2518.0810.4910.25102%157.28From IRC certificateA2-119.8816.2318.0610.4810.23102%156.932023A2-219.8716.2418.0610.4710.25102%156.872025A419.8216.2018.0110.2210.17100%153.242023A318.6916.8017.758.9910.1788%136.432024C017.0716.7216.906.468.5975%96.95
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04310004TAB Issued on 16/06/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org