Double HandedClub Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 Angles45.4°42.3°40.4°40.4°40.8°41.9°42.7°44.3°48.2°
Beat VMG2.723.744.124.244.284.274.254.133.76
52°4.265.656.086.246.326.366.376.315.99
60°4.595.946.346.516.626.686.726.706.48
75°4.876.186.676.927.117.267.367.437.36
90°4.776.156.817.267.587.868.088.398.56
110°4.496.106.827.327.808.398.869.7010.38
120°4.346.046.977.638.208.759.2710.3511.23
135°3.875.586.687.628.639.5710.4012.0513.60
150°3.204.685.876.757.678.7810.0013.2415.76
Run VMG2.774.055.085.856.647.618.6611.4814.18
Gybe Angles139.5°142.0°147.1°151.2°147.7°147.6°147.2°150.4°153.6°
APH ToD:565.4CDL: 6.764APH ToT: 1.0612CertNo:26/1
BOAT
ClassJoker mod.DesignerSantarelliBuilderMaxi DolphinAge date01/1991Series date01/1991Offset fileIMOD8196.OFFData fileJFS21
HULL
Length Overall7.300 mMaximum Beam2.694 mDraft1.551 mDisplacement800 kgDLR2.7027IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(declared)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.8522.53Headsail Luffed16.1316.13Headsail FlyingSymmetricAsymmetric54.2054.20 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.05Storm Jib3.85Heavy Weather Jib10.38
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 17.1 kg·m Stability Index 99.8
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  03190004KKK Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 VMG1321.6962.9874.6848.9841.3843.0847.7871.4956.5
52°844.7637.7592.3577.0569.6566.3564.9570.6600.8
60°784.3606.1567.8553.1544.1538.6535.4537.3555.2
75°739.9582.7539.9520.6506.2496.0488.9484.6489.2
90°755.2585.1528.3495.7475.1458.2445.4428.9420.7
110°801.1590.4527.8491.7461.5429.2406.4371.0346.7
120°829.5595.9516.6472.1438.8411.2388.2347.9320.5
135°930.4644.8538.8472.6417.1376.0346.2298.6264.7
150°1123.8769.3613.7533.2469.4409.9360.2271.9228.5
Run VMG1297.7888.3708.7615.3542.0473.4415.9313.7253.8
Selected Courses
Windward / Leeward1309.7925.6791.6732.1691.7658.2631.8592.5605.2
All purpose989.9717.4628.7586.5556.7532.5514.3488.8493.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward703.80.8525
All purpose565.41.0612
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6897
Downwind "popa"1.0614
70% up, 30% down "Ilhabela"0.7707
30% up, 70% down "Ilhabela-inverso"0.9137
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Predominantly Upwind638.00.9405
Predominantly Downwind533.81.1241
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP579.81.0348 Predom. Rc High447.51.3408 5B SF Bay L/M743.00.8075 TriNum AP Low673.00.8915 Predom. Dn Low786.20.7632 5B SF Bay Med674.70.8893 TriNum AP Med566.61.0590 Predom. Dn L/M603.70.9939 5B SF Bay M/H623.00.9631 TriNum AP High509.31.1782 Predom. Dn Med521.01.1515 5B SF Bay High598.31.0028 TriNum W/L Low897.70.6683 Predom. Dn M/H450.21.3326 5B AP Low729.10.8230 TriNum W/L Med705.10.8510 Predom. Dn High403.41.4873 5B AP L/M616.20.9737 TriNum W/L Hig623.70.9620 ChiMac Up Low741.20.8095 5B AP Med560.01.0714 Predom. Upwind656.20.9143 ChiMac Up Med696.00.8621 5B AP M/H516.61.1614 Predom. Reaching539.91.1113 ChiMac Up High640.60.9366 5B AP High493.91.2147 Predom. Downwind552.31.0865 ChiMac Off Low689.50.8702 5B W/L Low988.10.6072 Predom. Up Low803.90.7464 ChiMac Off Med614.30.9767 5B W/L L/M775.60.7736 Predom. Up L/M668.50.8976 ChiMac Off High519.01.1561 5B W/L Med696.10.8620 Predom. Up Med627.10.9568 ChiMac AP Low712.10.8426 5B W/L M/H634.70.9453 Predom. Up M/H603.80.9938 ChiMac AP Med652.70.9192 5B W/L High601.50.9975 Predom. Up High601.00.9983 ChiMac AP High578.21.0376 W/L 60-40 Low996.60.6021 Predom. Rc Low706.40.8494 BayMac Cove Island811.10.7398 W/L 60-40 L/M795.20.7545 Predom. Rc L/M570.61.0516 BayMac Shore805.00.7453 W/L 60-40 Med726.10.8263 Predom. Rc Med514.41.1663 Harvest Moon465.61.2887 W/L 60-40 M/H677.80.8852 Predom. Rc M/H471.31.2732 5B SF Bay Low840.80.7136 W/L 60-40 High657.60.9124      SA/DSPL Up44.12SA/DSPL Dn88.34
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance614.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating614.90.9758
FinRating, kevyt tuuli970.11.0308
FinRating, kova tuuli495.51.0090
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9758
Triple Number Coastal/Long Distance Low0.8915
Triple Number Coastal/Long Distance Medium1.0590
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.6988
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High0.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
For information
General Purpose Handicap (GPH)621.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Saronikos S All Purpose623.30.9627
Saronikos S Upwind742.40.8082
Saronikos S Downwind466.11.2873
Saronikos N All Purpose674.30.8899
Saronikos N Upwind765.40.7839
Saronikos N Downwind539.81.1114
Saronikos SW All Purpose611.90.9805
Saronikos SW Upwind730.00.8219
Saronikos SW Downwind490.51.2231
Saronikos NE All Purpose683.90.8773
Saronikos NE Upwind706.00.8498
Saronikos NE Downwind611.50.9812
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose579.81.0348
5-Band All Purpose Low791.50.7581
5-Band All Purpose L/M634.40.9458
5-Band All Purpose Med573.11.0470
5-Band All Purpose M/H526.51.1397
5-Band All Purpose High501.81.1956
Single Number Predominant Upwind635.60.9441
Single Number Predominant Reaching525.21.1425
Single Number Predominant Downwind535.81.1198
5-Band 50-50 Windward/Leeward Low988.10.6072
5-Band 50-50 Windward/Leeward L/M775.60.7736
5-Band 50-50 Windward/Leeward Med696.10.8620
5-Band 50-50 Windward/Leeward M/H634.70.9453
5-Band 50-50 Windward/Leeward High601.50.9975
5-Band 60-40 Windward/Leeward Low996.60.6021
5-Band 60-40 Windward/Leeward L/M795.20.7545
5-Band 60-40 Windward/Leeward Med726.10.8263
5-Band 60-40 Windward/Leeward M/H677.80.8852
5-Band 60-40 Windward/Leeward High657.60.9124
Triple Number 50-50 Windward/Leeward Low897.70.6683
Triple Number 50-50 Windward/Leeward Med705.10.8509
Triple Number 50-50 Windward/Leeward High623.70.9620
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward734.00.8175
Triple Number 60-40 Windward/Leeward Low909.50.6597
Triple Number 60-40 Windward/Leeward Med733.50.8180
Triple Number 60-40 Windward/Leeward High670.00.8955
Triple Number All-Purpose Low724.80.8278
Triple Number All-Purpose Med580.21.0341
Triple Number All-Purpose High518.61.1570
Triple Number Predominant Upwind Low749.60.8004
Triple Number Predominant Upwind Med633.40.9473
Triple Number Predominant Upwind High617.80.9711
Triple Number Predominant Reaching Low654.50.9168
Triple Number Predominant Reaching Med534.31.1231
Triple Number Predominant Reaching High453.61.3227
Triple Number Predominant Downwind Low711.10.8438
Triple Number Predominant Downwind Med527.81.1367
Triple Number Predominant Downwind High415.41.4444
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low673.0
Triple Number Coastal/Long Distance Medium566.6
Triple Number Coastal/Long Distance High509.3
Triple Number Windward/Leeward Low858.6
Triple Number Windward/Leeward Medium705.1
Triple Number Windward/Leeward High623.7
Predominantly Upwind638.0
Predominantly Downwind533.8
Predominantly Reaching522.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8915
Triple Number Coastal/Long Distance Medium1.0590
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.6988
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High0.9620
Coastal/Long Distance0.9758
Predominantly Upwind0.9405
Predominantly Downwind1.1241
For information
General Purpose Handicap (GPH)621.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0612
Distanseseilas Trippeltall svak vind0.8915
Distanseseilas Trippeltall mellomvind1.0590
Distanseseilas Trippeltall sterk vind1.1782
Pølsebane Trippeltall svak vind0.6988
Pølsebane Trippeltall mellomvind0.8510
Pølsebane Trippeltall sterk vind0.9620
Motvind Singeltall0.9405
Medvind Singeltall1.1241
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Coastal/Long Distance614.90.9758
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind638.00.9405
Predominantly Downwind533.81.1241
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore601.40.9977
Cape Doctor Coastal491.81.2201
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8915
Triple Number Coastal/Long Distance Medium1.0590
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.6988
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High0.9620
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8915
Triple Number Coastal/Long Distance Medium1.0590
Triple Number Coastal/Long Distance High1.1782
Triple Number Windward/Leeward Low0.6988
Triple Number Windward/Leeward Medium0.8510
Triple Number Windward/Leeward High0.9620
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Predominantly Upwind638.00.9405
Predominantly Downwind533.81.1241
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance614.90.9758
Triple Number Coastal/Long Distance Low673.00.8915
Triple Number Coastal/Long Distance Medium566.61.0590
Triple Number Coastal/Long Distance High509.31.1782
Triple Number Windward/Leeward Low858.60.6988
Triple Number Windward/Leeward Medium705.10.8510
Triple Number Windward/Leeward High623.70.9620
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1308.5921.8744.6659.3599.1554.9516.7452.8446.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP579.81.0348 Predom. Dn High403.41.4873 5B AP M/H516.61.1614 TriNum AP Low673.00.8915 Predom. Rc Low706.40.8494 5B AP High493.91.2147 TriNum AP Med566.61.0590 Predom. Rc L/M570.61.0516 5B SF Bay Low840.80.7136 TriNum AP High509.31.1782 Predom. Rc Med514.41.1663 5B SF Bay L/M743.00.8075 TriNum W/L Low897.70.6683 Predom. Rc M/H471.31.2732 5B SF Bay Med674.70.8893 TriNum W/L Med705.10.8510 Predom. Rc High447.51.3408 5B SF Bay M/H623.00.9631 TriNum W/L Hig623.70.9620 5B W/L Low988.10.6072 5B SF Bay High598.31.0028 Predom. Upwind656.20.9143 5B W/L L/M775.60.7736 ChiMac Up Low741.20.8095 Predom. Reaching539.91.1113 5B W/L Med696.10.8620 ChiMac Up Med696.00.8621 Predom. Downwind552.31.0865 5B W/L M/H634.70.9453 ChiMac Up High640.60.9366 Predom. Up Low803.90.7464 5B W/L High601.50.9975 ChiMac Off Low689.50.8702 Predom. Up L/M668.50.8976 W/L 60-40 Low996.60.6021 ChiMac Off Med614.30.9767 Predom. Up Med627.10.9568 W/L 60-40 L/M795.20.7545 ChiMac Off High519.01.1561 Predom. Up M/H603.80.9938 W/L 60-40 Med726.10.8263 ChiMac AP Low712.10.8426 Predom. Up High601.00.9983 W/L 60-40 M/H677.80.8852 ChiMac AP Med652.70.9192 Predom. Dn Low786.20.7632 W/L 60-40 High657.60.9124 ChiMac AP High578.21.0376 Predom. Dn L/M603.70.9939 5B AP Low729.10.8230 BayMac Cove Island811.10.7398 Predom. Dn Med521.01.1515 5B AP L/M616.20.9737 BayMac Shore805.00.7453 Predom. Dn M/H450.21.3326 5B AP Med560.01.0714 Harvest Moon465.61.2887      SA/DSPL Up44.12SA/DSPL Dn88.34
ORC Ref  03190004KKK Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJoker mod.Measurement01/02/1991HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall7.300Maximum beam2.694Draft1.551Displacement800Wetted area9.88IMS L7.228LSM06.663Accomod. length8.073Sink (kg/mm) 7.83
VCGD0.035VCGM0.085 RM Rated (kg·m) 17.1Limit of positive stability(°) 108.4 Stability Index 99.8 BLR index 0.0000Default crew weight170 Declared crew weight 170
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P9.600IG8.700ISP10.600MDT10.070MDL10.100MDT2MDL2TLTaperMW0.100GO0.120
E3.600J2.650BAS1.000FSDFoilSFJ0.280SPLWPLTPS4.450BD0.110MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date01/02/1991
SFFP0.248FFM0.920FF0.932LCFcl4.244SG1.0050
SAFP7.284FAM0.682FA0.690LCFsh4.443HBI0.835
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004KKK Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.180.871.502.503.2021.8520/10/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.000.000.000.000.003.608.80NoNo 16.1320/10/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA12.1510.2011.185.656.5087%54.2020/10/2021
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03190004KKK Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org