Double HandedClub Certificate2026
Jalla!Jalla!NED 8244
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 Angles45.6°42.9°40.8°39.4°38.2°37.6°37.3°37.8°38.9°
Beat VMG2.353.374.154.694.995.135.215.275.22
52°3.675.126.126.757.057.197.287.367.37
60°3.935.396.376.947.237.397.497.607.63
75°4.165.706.697.127.407.637.818.028.12
90°4.395.956.927.397.687.888.048.418.70
110°4.275.957.027.567.958.238.609.369.98
120°4.155.846.967.558.038.488.869.7911.00
135°3.695.276.497.267.798.328.9210.6312.20
150°3.054.445.606.577.247.718.189.3911.69
Run VMG2.643.844.855.696.306.737.128.1410.12
Gybe Angles139.7°143.0°146.9°149.8°152.8°155.9°155.6°144.9°143.4°
APH ToD:549.0CDL: 9.077APH ToT: 1.0929CertNo:27272
BOAT
ClassJ-105DesignerJohnstoneBuilderJ-boats FranceAge date03/2003Series date01/1992Offset filej105.offData fileNED8244
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.028 mDisplacement4,287 kgDLR4.8399IMS DivisionPerformanceDynamic Allowance0.190%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.1933.83Headsail Luffed24.3324.33Headsail FlyingSymmetricAsymmetric102.87102.87 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.86Storm Jib7.61Heavy Weather Jib20.53
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 108.8 kg·m Stability Index 120.4
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  04310004WB3 Issued on 12/08/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Jalla!Jalla!NED 8244
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 VMG1533.81067.6868.3768.1721.5702.4691.6682.9690.0
52°981.5703.5587.9533.4510.9500.6494.8488.9488.4
60°915.6668.5565.6519.0498.2487.0480.7473.7472.0
75°865.3631.2538.5505.6486.5471.6460.8449.0443.3
90°820.7605.1520.6487.5469.0456.8447.7428.3413.9
110°842.8605.0512.7476.0453.1437.5418.8384.8360.7
120°867.2616.5517.5476.9448.1424.4406.1367.8327.2
135°976.7683.3554.3496.0462.3432.9403.4338.7295.2
150°1179.4811.0642.7548.0497.0466.9440.4383.2308.0
Run VMG1361.8936.4742.1632.7571.2535.3506.0442.5355.7
Selected Courses
Windward / Leeward1447.81002.0805.2700.4646.4618.8598.8562.7522.8
All purpose1093.3770.4632.6565.8530.9510.5494.4465.2439.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward676.40.8871
All purpose549.01.0929
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7633
Downwind "popa"0.9619
70% up, 30% down "Ilhabela"0.8137
30% up, 70% down "Ilhabela-inverso"0.8923
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Predominantly Upwind599.21.0013
Predominantly Downwind549.51.0920
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP570.31.0521 Predom. Rc High437.01.3729 5B SF Bay L/M739.00.8120 TriNum AP Low701.50.8553 Predom. Dn Low832.70.7205 5B SF Bay Med636.80.9422 TriNum AP Med546.01.0989 Predom. Dn L/M617.00.9724 5B SF Bay M/H581.01.0326 TriNum AP High487.51.2308 Predom. Dn Med532.01.1278 5B SF Bay High546.01.0988 TriNum W/L Low947.60.6332 Predom. Dn M/H475.91.2607 5B AP Low776.30.7729 TriNum W/L Med670.80.8945 Predom. Dn High429.81.3959 5B AP L/M614.30.9767 TriNum W/L Hig590.31.0165 ChiMac Up Low761.40.7881 5B AP Med538.71.1137 Predom. Upwind625.60.9591 ChiMac Up Med685.00.8759 5B AP M/H495.31.2115 Predom. Reaching542.51.1060 ChiMac Up High596.31.0061 5B AP High465.81.2882 Predom. Downwind572.21.0485 ChiMac Off Low718.00.8356 5B W/L Low1064.30.5638 Predom. Up Low870.90.6890 ChiMac Off Med636.00.9434 5B W/L L/M773.80.7754 Predom. Up L/M657.20.9130 ChiMac Off High536.41.1186 5B W/L Med660.00.9091 Predom. Up Med580.41.0338 ChiMac AP Low735.70.8155 5B W/L M/H600.10.9999 Predom. Up M/H542.81.1054 ChiMac AP Med657.80.9121 5B W/L High562.11.0675 Predom. Up High523.11.1471 ChiMac AP High565.01.0619 W/L 60-40 Low1078.30.5564 Predom. Rc Low749.40.8006 BayMac Cove Island848.00.7075 W/L 60-40 L/M787.20.7622 Predom. Rc L/M573.41.0464 BayMac Shore841.70.7129 W/L 60-40 Med675.20.8887 Predom. Rc Med508.81.1793 Harvest Moon480.01.2501 W/L 60-40 M/H618.90.9694 Predom. Rc M/H468.11.2817 5B SF Bay Low898.80.6675 W/L 60-40 High586.81.0226      SA/DSPL Up21.69SA/DSPL Dn51.31
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance596.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating596.81.0054
FinRating, kevyt tuuli1045.60.9563
FinRating, kova tuuli467.11.0705
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0054
Triple Number Coastal/Long Distance Low0.8553
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6640
Triple Number Windward/Leeward Medium0.8945
Triple Number Windward/Leeward High1.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
For information
General Purpose Handicap (GPH)615.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Saronikos S All Purpose630.20.9520
Saronikos S Upwind720.30.8330
Saronikos S Downwind516.51.1617
Saronikos N All Purpose659.80.9093
Saronikos N Upwind752.40.7974
Saronikos N Downwind564.21.0634
Saronikos SW All Purpose632.40.9487
Saronikos SW Upwind740.90.8098
Saronikos SW Downwind520.11.1536
Saronikos NE All Purpose680.30.8820
Saronikos NE Upwind703.90.8523
Saronikos NE Downwind629.80.9526
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose570.31.0521
5-Band All Purpose Low847.00.7084
5-Band All Purpose L/M635.00.9449
5-Band All Purpose Med555.21.0806
5-Band All Purpose M/H509.31.1781
5-Band All Purpose High477.11.2576
Single Number Predominant Upwind598.41.0027
Single Number Predominant Reaching522.41.1485
Single Number Predominant Downwind550.11.0908
5-Band 50-50 Windward/Leeward Low1064.30.5638
5-Band 50-50 Windward/Leeward L/M773.80.7754
5-Band 50-50 Windward/Leeward Med660.00.9091
5-Band 50-50 Windward/Leeward M/H600.10.9999
5-Band 50-50 Windward/Leeward High562.11.0675
5-Band 60-40 Windward/Leeward Low1078.30.5564
5-Band 60-40 Windward/Leeward L/M787.20.7622
5-Band 60-40 Windward/Leeward Med675.20.8887
5-Band 60-40 Windward/Leeward M/H618.90.9694
5-Band 60-40 Windward/Leeward High586.81.0226
Triple Number 50-50 Windward/Leeward Low947.60.6332
Triple Number 50-50 Windward/Leeward Med670.80.8944
Triple Number 50-50 Windward/Leeward High590.31.0165
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward691.90.8671
Triple Number 60-40 Windward/Leeward Low960.90.6244
Triple Number 60-40 Windward/Leeward Med685.60.8752
Triple Number 60-40 Windward/Leeward High610.40.9829
Triple Number All-Purpose Low760.60.7888
Triple Number All-Purpose Med562.91.0660
Triple Number All-Purpose High500.81.1982
Triple Number Predominant Upwind Low788.70.7607
Triple Number Predominant Upwind Med589.81.0173
Triple Number Predominant Upwind High543.71.1035
Triple Number Predominant Reaching Low682.40.8793
Triple Number Predominant Reaching Med524.31.1445
Triple Number Predominant Reaching High450.91.3306
Triple Number Predominant Downwind Low745.20.8051
Triple Number Predominant Downwind Med540.31.1104
Triple Number Predominant Downwind High453.61.3228
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low701.5
Triple Number Coastal/Long Distance Medium545.9
Triple Number Coastal/Long Distance High487.5
Triple Number Windward/Leeward Low903.6
Triple Number Windward/Leeward Medium670.8
Triple Number Windward/Leeward High590.3
Predominantly Upwind599.2
Predominantly Downwind549.5
Predominantly Reaching528.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8553
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6640
Triple Number Windward/Leeward Medium0.8945
Triple Number Windward/Leeward High1.0165
Coastal/Long Distance1.0054
Predominantly Upwind1.0013
Predominantly Downwind1.0920
For information
General Purpose Handicap (GPH)615.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0929
Distanseseilas Trippeltall svak vind0.8553
Distanseseilas Trippeltall mellomvind1.0991
Distanseseilas Trippeltall sterk vind1.2308
Pølsebane Trippeltall svak vind0.6640
Pølsebane Trippeltall mellomvind0.8945
Pølsebane Trippeltall sterk vind1.0165
Motvind Singeltall1.0013
Medvind Singeltall1.0920
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Coastal/Long Distance596.81.0054
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind599.21.0013
Predominantly Downwind549.51.0920
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore534.81.1219
Cape Doctor Coastal447.11.3420
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8553
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6640
Triple Number Windward/Leeward Medium0.8945
Triple Number Windward/Leeward High1.0165
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8553
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2308
Triple Number Windward/Leeward Low0.6640
Triple Number Windward/Leeward Medium0.8945
Triple Number Windward/Leeward High1.0165
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Predominantly Upwind599.21.0013
Predominantly Downwind549.51.0920
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.81.0054
Triple Number Coastal/Long Distance Low701.50.8553
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High487.51.2308
Triple Number Windward/Leeward Low903.60.6640
Triple Number Windward/Leeward Medium670.80.8945
Triple Number Windward/Leeward High590.31.0165
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1439.2995.5756.5633.8565.5529.1499.5446.9417.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP570.31.0521 Predom. Dn High429.81.3959 5B AP M/H495.31.2115 TriNum AP Low701.50.8553 Predom. Rc Low749.40.8006 5B AP High465.81.2882 TriNum AP Med546.01.0989 Predom. Rc L/M573.41.0464 5B SF Bay Low898.80.6675 TriNum AP High487.51.2308 Predom. Rc Med508.81.1793 5B SF Bay L/M739.00.8120 TriNum W/L Low947.60.6332 Predom. Rc M/H468.11.2817 5B SF Bay Med636.80.9422 TriNum W/L Med670.80.8945 Predom. Rc High437.01.3729 5B SF Bay M/H581.01.0326 TriNum W/L Hig590.31.0165 5B W/L Low1064.30.5638 5B SF Bay High546.01.0988 Predom. Upwind625.60.9591 5B W/L L/M773.80.7754 ChiMac Up Low761.40.7881 Predom. Reaching542.51.1060 5B W/L Med660.00.9091 ChiMac Up Med685.00.8759 Predom. Downwind572.21.0485 5B W/L M/H600.10.9999 ChiMac Up High596.31.0061 Predom. Up Low870.90.6890 5B W/L High562.11.0675 ChiMac Off Low718.00.8356 Predom. Up L/M657.20.9130 W/L 60-40 Low1078.30.5564 ChiMac Off Med636.00.9434 Predom. Up Med580.41.0338 W/L 60-40 L/M787.20.7622 ChiMac Off High536.41.1186 Predom. Up M/H542.81.1054 W/L 60-40 Med675.20.8887 ChiMac AP Low735.70.8155 Predom. Up High523.11.1471 W/L 60-40 M/H618.90.9694 ChiMac AP Med657.80.9121 Predom. Dn Low832.70.7205 W/L 60-40 High586.81.0226 ChiMac AP High565.01.0619 Predom. Dn L/M617.00.9724 5B AP Low776.30.7729 BayMac Cove Island848.00.7075 Predom. Dn Med532.01.1278 5B AP L/M614.30.9767 BayMac Shore841.70.7129 Predom. Dn M/H475.91.2607 5B AP Med538.71.1137 Harvest Moon480.01.2501      SA/DSPL Up21.69SA/DSPL Dn51.31
ORC Ref  04310004WB3 Issued on 12/08/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Jalla!Jalla!NED 8244
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-105Measurement19/10/2010HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft2.028Displacement4,287Wetted area23.55IMS L9.588LSM09.602Accomod. length10.570Sink (kg/mm) 17.68
VCGD-0.103VCGM-0.142 RM Rated (kg·m) 108.8Limit of positive stability(°) 121.4 Stability Index 120.4 BLR index 0.0000Default crew weight170 Declared crew weight 510
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0015
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.650IG12.330ISP14.200MDT10.101MDL10.165MDT2MDL2TLTaperMWGO
E4.450J4.120BAS1.550FSDFoilSFJ0.000SPLWPLTPS5.650BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date19/10/2010
SFFP0.966FFM1.059FF1.066LCFcl5.894SG1.0240
SAFP10.056FAM0.740FA0.744LCFsh6.133HBI0.903
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310004WB3 Issued on 12/08/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Jalla!Jalla!NED 8244
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20230.170.911.632.833.7233.1928/02/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20230.080.541.011.983.034.1011.99YesNo 24.3328/02/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202315.9212.5514.248.718.52102%102.87C0 A1 202313.4411.4312.445.747.6475%63.4217/05/2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04310004WB3 Issued on 12/08/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org