Double HandedClub Certificate2026
GANGBUSTERSUSA 480
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles45.8°43.2°41.2°39.7°38.5°38.0°37.8°38.5°40.0°
Beat VMG2.363.404.184.714.975.095.165.215.12
52°3.705.186.216.807.077.197.277.357.34
60°3.985.476.477.017.267.417.497.607.61
75°4.195.676.677.167.477.707.868.058.14
90°4.385.986.967.427.697.888.108.528.79
110°4.265.897.007.598.048.378.779.5210.05
120°4.085.766.927.558.088.599.1410.2211.31
135°3.615.196.437.227.788.359.0010.8512.90
150°2.984.365.536.527.217.708.199.5111.96
Run VMG2.583.784.795.656.276.717.128.2410.36
Gybe Angles139.6°142.6°146.5°150.0°152.5°155.4°154.3°145.0°143.1°
APH ToD:548.6CDL: 8.990APH ToT: 1.0937CertNo:US6983
BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/1995Series date07/1991Offset fileJ105.offData fileUS6983
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.004 mDisplacement3,891 kgDLR4.6475IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight172 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail33.8034.52Headsail Luffed25.5825.58Headsail FlyingSymmetricAsymmetric89.0389.03 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.86Storm Jib7.84Heavy Weather Jib21.16
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 103.3 kg·m Stability Index 120.8
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  04560004UR6 Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
GANGBUSTERSUSA 480
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1523.91059.8860.6765.0724.6707.2697.8690.9703.7
52°972.2695.1579.4529.0509.5500.8495.4490.1490.6
60°903.8658.5556.6513.8495.6486.1480.3473.9473.0
75°858.5634.4539.5502.6481.7467.6458.0447.3442.5
90°822.7601.8517.3485.5468.4456.8444.3422.7409.4
110°844.5611.6514.0474.3447.6430.1410.6378.1358.4
120°883.0625.1520.4476.8445.6418.9394.0352.2318.4
135°998.3693.5560.2498.4462.6431.3399.8331.9279.1
150°1206.2825.2650.5552.2499.6467.5439.3378.5301.0
Run VMG1392.8952.8751.1637.7574.5536.5505.5437.1347.6
Selected Courses
Windward / Leeward1458.31006.3805.9701.4649.5621.9601.6564.0525.7
All purpose1098.6772.0631.8565.0530.9510.3493.4463.2438.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward678.80.8839
All purpose548.61.0937
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7628
Downwind "popa"0.9556
70% up, 30% down "Ilhabela"0.8119
30% up, 70% down "Ilhabela-inverso"0.8882
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Predominantly Upwind598.61.0023
Predominantly Downwind550.41.0902
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP570.51.0517 Predom. Rc High433.51.3842 5B SF Bay L/M739.80.8111 TriNum AP Low701.90.8548 Predom. Dn Low840.70.7137 5B SF Bay Med638.60.9395 TriNum AP Med545.61.0998 Predom. Dn L/M619.70.9683 5B SF Bay M/H583.11.0290 TriNum AP High486.31.2339 Predom. Dn Med533.01.1258 5B SF Bay High547.41.0960 TriNum W/L Low950.90.6310 Predom. Dn M/H474.61.2642 5B AP Low779.30.7700 TriNum W/L Med672.90.8916 Predom. Dn High425.61.4097 5B AP L/M614.00.9772 TriNum W/L Hig592.61.0125 ChiMac Up Low759.00.7905 5B AP Med538.41.1145 Predom. Upwind625.10.9599 ChiMac Up Med683.60.8777 5B AP M/H494.31.2138 Predom. Reaching542.11.1068 ChiMac Up High595.91.0069 5B AP High464.11.2928 Predom. Downwind573.71.0459 ChiMac Off Low723.20.8297 5B W/L Low1069.20.5612 Predom. Up Low867.70.6914 ChiMac Off Med639.10.9389 5B W/L L/M775.50.7737 Predom. Up L/M654.50.9168 ChiMac Off High536.51.1183 5B W/L Med662.50.9056 Predom. Up Med580.41.0338 ChiMac AP Low737.00.8141 5B W/L M/H602.70.9955 Predom. Up M/H544.01.1029 ChiMac AP Med658.60.9110 5B W/L High563.91.0641 Predom. Up High524.21.1445 ChiMac AP High564.81.0623 W/L 60-40 Low1080.60.5553 Predom. Rc Low751.30.7986 BayMac Cove Island851.30.7048 W/L 60-40 L/M787.60.7618 Predom. Rc L/M572.91.0473 BayMac Shore844.60.7104 W/L 60-40 Med677.50.8856 Predom. Rc Med508.51.1799 Harvest Moon476.71.2586 W/L 60-40 M/H622.30.9642 Predom. Rc M/H466.61.2860 5B SF Bay Low900.70.6662 W/L 60-40 High590.01.0170      SA/DSPL Up23.89SA/DSPL Dn49.42
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance596.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating596.91.0053
FinRating, kevyt tuuli1051.00.9515
FinRating, kova tuuli464.71.0759
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0053
Triple Number Coastal/Long Distance Low0.8548
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2339
Triple Number Windward/Leeward Low0.6622
Triple Number Windward/Leeward Medium0.8916
Triple Number Windward/Leeward High1.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
For information
General Purpose Handicap (GPH)615.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Saronikos S All Purpose627.90.9555
Saronikos S Upwind717.10.8367
Saronikos S Downwind516.41.1619
Saronikos N All Purpose660.50.9084
Saronikos N Upwind750.30.7997
Saronikos N Downwind567.11.0581
Saronikos SW All Purpose629.40.9533
Saronikos SW Upwind736.80.8143
Saronikos SW Downwind520.31.1531
Saronikos NE All Purpose681.80.8800
Saronikos NE Upwind701.80.8549
Saronikos NE Downwind635.00.9449
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose570.51.0517
5-Band All Purpose Low849.20.7065
5-Band All Purpose L/M634.80.9451
5-Band All Purpose Med555.71.0798
5-Band All Purpose M/H509.21.1784
5-Band All Purpose High475.51.2618
Single Number Predominant Upwind597.61.0041
Single Number Predominant Reaching521.71.1500
Single Number Predominant Downwind551.21.0885
5-Band 50-50 Windward/Leeward Low1069.20.5612
5-Band 50-50 Windward/Leeward L/M775.50.7737
5-Band 50-50 Windward/Leeward Med662.50.9056
5-Band 50-50 Windward/Leeward M/H602.70.9955
5-Band 50-50 Windward/Leeward High563.91.0641
5-Band 60-40 Windward/Leeward Low1080.60.5553
5-Band 60-40 Windward/Leeward L/M787.60.7618
5-Band 60-40 Windward/Leeward Med677.50.8856
5-Band 60-40 Windward/Leeward M/H622.30.9642
5-Band 60-40 Windward/Leeward High590.01.0170
Triple Number 50-50 Windward/Leeward Low950.90.6310
Triple Number 50-50 Windward/Leeward Med673.00.8915
Triple Number 50-50 Windward/Leeward High592.61.0125
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward694.10.8645
Triple Number 60-40 Windward/Leeward Low962.10.6236
Triple Number 60-40 Windward/Leeward Med687.40.8728
Triple Number 60-40 Windward/Leeward High613.60.9779
Triple Number All-Purpose Low761.60.7878
Triple Number All-Purpose Med563.21.0654
Triple Number All-Purpose High500.31.1993
Triple Number Predominant Upwind Low785.90.7634
Triple Number Predominant Upwind Med589.31.0182
Triple Number Predominant Upwind High545.21.1004
Triple Number Predominant Reaching Low682.90.8787
Triple Number Predominant Reaching Med524.01.1451
Triple Number Predominant Reaching High448.71.3373
Triple Number Predominant Downwind Low750.70.7993
Triple Number Predominant Downwind Med541.71.1076
Triple Number Predominant Downwind High451.21.3297
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low701.9
Triple Number Coastal/Long Distance Medium545.5
Triple Number Coastal/Long Distance High486.3
Triple Number Windward/Leeward Low906.1
Triple Number Windward/Leeward Medium672.9
Triple Number Windward/Leeward High592.6
Predominantly Upwind598.6
Predominantly Downwind550.4
Predominantly Reaching528.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8548
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2339
Triple Number Windward/Leeward Low0.6622
Triple Number Windward/Leeward Medium0.8916
Triple Number Windward/Leeward High1.0125
Coastal/Long Distance1.0053
Predominantly Upwind1.0023
Predominantly Downwind1.0902
For information
General Purpose Handicap (GPH)615.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0937
Distanseseilas Trippeltall svak vind0.8548
Distanseseilas Trippeltall mellomvind1.0999
Distanseseilas Trippeltall sterk vind1.2339
Pølsebane Trippeltall svak vind0.6622
Pølsebane Trippeltall mellomvind0.8916
Pølsebane Trippeltall sterk vind1.0125
Motvind Singeltall1.0023
Medvind Singeltall1.0902
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Coastal/Long Distance596.91.0053
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind598.61.0023
Predominantly Downwind550.41.0902
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore537.21.1170
Cape Doctor Coastal445.91.3457
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8548
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2339
Triple Number Windward/Leeward Low0.6622
Triple Number Windward/Leeward Medium0.8916
Triple Number Windward/Leeward High1.0125
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8548
Triple Number Coastal/Long Distance Medium1.0999
Triple Number Coastal/Long Distance High1.2339
Triple Number Windward/Leeward Low0.6622
Triple Number Windward/Leeward Medium0.8916
Triple Number Windward/Leeward High1.0125
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Predominantly Upwind598.61.0023
Predominantly Downwind550.41.0902
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.91.0053
Triple Number Coastal/Long Distance Low701.90.8548
Triple Number Coastal/Long Distance Medium545.51.0999
Triple Number Coastal/Long Distance High486.31.2339
Triple Number Windward/Leeward Low906.10.6622
Triple Number Windward/Leeward Medium672.90.8916
Triple Number Windward/Leeward High592.61.0125
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1451.81001.0756.9633.8566.5529.5497.5441.7415.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP570.51.0517 Predom. Dn High425.61.4097 5B AP M/H494.31.2138 TriNum AP Low701.90.8548 Predom. Rc Low751.30.7986 5B AP High464.11.2928 TriNum AP Med545.61.0998 Predom. Rc L/M572.91.0473 5B SF Bay Low900.70.6662 TriNum AP High486.31.2339 Predom. Rc Med508.51.1799 5B SF Bay L/M739.80.8111 TriNum W/L Low950.90.6310 Predom. Rc M/H466.61.2860 5B SF Bay Med638.60.9395 TriNum W/L Med672.90.8916 Predom. Rc High433.51.3842 5B SF Bay M/H583.11.0290 TriNum W/L Hig592.61.0125 5B W/L Low1069.20.5612 5B SF Bay High547.41.0960 Predom. Upwind625.10.9599 5B W/L L/M775.50.7737 ChiMac Up Low759.00.7905 Predom. Reaching542.11.1068 5B W/L Med662.50.9056 ChiMac Up Med683.60.8777 Predom. Downwind573.71.0459 5B W/L M/H602.70.9955 ChiMac Up High595.91.0069 Predom. Up Low867.70.6914 5B W/L High563.91.0641 ChiMac Off Low723.20.8297 Predom. Up L/M654.50.9168 W/L 60-40 Low1080.60.5553 ChiMac Off Med639.10.9389 Predom. Up Med580.41.0338 W/L 60-40 L/M787.60.7618 ChiMac Off High536.51.1183 Predom. Up M/H544.01.1029 W/L 60-40 Med677.50.8856 ChiMac AP Low737.00.8141 Predom. Up High524.21.1445 W/L 60-40 M/H622.30.9642 ChiMac AP Med658.60.9110 Predom. Dn Low840.70.7137 W/L 60-40 High590.01.0170 ChiMac AP High564.81.0623 Predom. Dn L/M619.70.9683 5B AP Low779.30.7700 BayMac Cove Island851.30.7048 Predom. Dn Med533.01.1258 5B AP L/M614.00.9772 BayMac Shore844.60.7104 Predom. Dn M/H474.61.2642 5B AP Med538.41.1145 Harvest Moon476.71.2586      SA/DSPL Up23.89SA/DSPL Dn49.42
ORC Ref  04560004UR6 Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
GANGBUSTERSUSA 480
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement01/01/2020HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft2.004Displacement3,891Wetted area22.69IMS L9.484LSM09.424Accomod. length10.570Sink (kg/mm) 17.00
VCGD-0.159VCGM-0.175 RM Rated (kg·m) 103.3Limit of positive stability(°) 123.3 Stability Index 120.8 BLR index 0.0000Default crew weight170 Declared crew weight 172
Centerboard weight0.0List angle0.0Canting keel angle0.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.100PIPA0.0049
PSD0.026PHD0.068PHL0.113
PSA21.0°ESL0.813
ST10.020ST20.096ST30.090
ST40.055ST50.255
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.650IG12.433ISP12.853MDT10.101MDL10.164MDT20.085MDL20.105TL2.010MW0.164GO0.192
E4.450J4.130BAS1.553FSD0.034SFJ0.000SPL0.000WPLTPS5.901BD0.130MWT0.00MCG0.000
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/03/2024
SFFP0.966FFM1.096FF1.095LCFcl5.858SG1.0270
SAFP10.056FAM0.763FA0.763LCFsh6.097HBI0.928
W153.4W253.4W353.4W453.4
PD1512.7PD2512.7PD3512.7PD4512.7
WD12.600PLM9000.00GSA1.0RSA1.0RM103.3
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAstbFuel5005.80BportWater2005.90Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGCBattery70 Ah engine cl8.60DEngine (IC)Yanmar 2GMTotal deductible
ORC Ref  04560004UR6 Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
GANGBUSTERSUSA 480
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1050.180.981.692.893.7733.80* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1050.082.024.1912.15NoNo 25.58* Copied from legacy *
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment10515.1012.1413.627.817.9898%89.03* Copied from legacy *A2-2515.1012.1413.627.538.9984%88.7805/09/2024A313.9312.0713.006.268.1577%71.9128/05/2024OUS128234
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004UR6 Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org