Rated boat velocities in knots| Wind Velocity | 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
| 24 kt
|
| Beat Angles | 49.3° | 45.5° | 43.0° | 41.0° | 39.4° | 38.3° | 37.7° | 37.3° |
| Beat VMG | 4.66 | 5.83 | 6.67 | 7.28 | 7.72 | 8.05 | 8.39 | 8.59 |
| 52° | 7.49 | 9.11 | 10.09 | 10.70 | 11.10 | 11.38 | 11.75 | 11.95 |
| 60° | 8.27 | 9.80 | 10.63 | 11.13 | 11.47 | 11.73 | 12.07 | 12.28 |
| 75° | 9.02 | 10.38 | 11.14 | 11.61 | 11.89 | 12.14 | 12.49 | 12.74 |
| 90° | 9.12 | 10.45 | 11.21 | 11.72 | 12.08 | 12.39 | 12.78 | 13.10 |
| 110° | 8.46 | 10.07 | 11.15 | 11.80 | 12.22 | 12.50 | 12.93 | 13.27 |
| 120° | 7.95 | 9.74 | 10.86 | 11.60 | 12.14 | 12.56 | 13.14 | 13.55 |
| 135° | 6.78 | 8.62 | 9.97 | 10.92 | 11.60 | 12.11 | 12.89 | 13.54 |
| 150° | 5.56 | 7.16 | 8.47 | 9.52 | 10.42 | 11.16 | 12.21 | 12.99 |
| Run VMG | 4.81 | 6.20 | 7.33 | 8.25 | 9.03 | 10.06 | 11.58 | 12.57 |
| Gybe Angles | 137.2° | 139.9° | 142.8° | 145.8° | 150.7° | 180.0° | 180.0° | 180.0° |
BOATClassJ-CLASSDesignerNICHOLSONBuilderCAMPER & NICHOLSONAge date04/1933Series date04/1933Offset fileSY105B.offData fileSY105OPF light | strong0.0% | 0.0%
HULLLength Overall39.250 mMaximum Beam6.544 mDynamic Allowance1.970%Age Allowance0.975%
LightshipSailingDisplacement (kg)176,428181,212Draft (m)4.8114.855RM at 1° (kg·m)6465.56449.7VCGD (m)-1.651-1.577VCGM (m)-1.368-1.295DLR220.01SAup / Displ 29.32
SAIL AREAS
(m²)
MeasuredRatedMainsail507.84507.84Headsail Luffed430.55328.86Headsail FlyingSymmetricAsymmetric937.68937.68Total upwind938.40Total downwind1,445.52
SAILS IN INVENTORYHeadsails Luffed2Headsails Flying0Spinnakers2
USE OF SAILSFurled Sails0Mainsail FurlerNoMultiple HeadsailsNoTacking Unfurling StaysailNo
* Spinnaker pole aboard
STABILITYRighting Moment6465.5 kg·mStability Index195.0
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 SY 402.
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassJ-CLASSHull constructionSolidCarbon RudderNoTrim tabNoMCA CertifiedNo
LOA39.250Max. Beam6.544Draft4.811Displacement176,428IMS L28.170Sink (kg/mm)
129.79
VCGD-1.651VCGM-1.368Righting Moment
(kg·m)
6465.5SkegYes
PROPELLER (measured)Propeller TypeFeathering 3 blades
InstallationIn ApertureTwin screwNoBow Thruster Diam.
PRD0.965PIPA0.0691
POWERED WINCHESHalyard Power (KW)15.4Halyard Speed (m/min)150.0Sheet Power (KW)16.0Sheet Speed (m/min)200.0
SUPERSTRUCTURESArea Front3.50Area Side5.71Dome frontal areas (m²)
RIGRig TypeSloopMast materialCarbonNon-circular riggingYesFiber riggingYes
P47.640IG41.500ISP42.100BAS2.370E18.190BD0.760CPW5.650
MDT10.300MDL10.580MDT20.250MDL20.416TL6.164MW0.560GO0.560
J15.374SFJ1.400FSDSPL15.214TPS15.670WPL
FLOTATION AND STABILITYCalculation methodBoom incliningFlotation Date06/06/2023
SFFP5.289FFM2.024FF2.027LCFcl21.442SG1.0260
SAFP36.270FAM1.321FA1.323LCFsh21.675HBI1.695
W11009.5W21009.5W31009.5W41009.5LCFD
PD1186.1PD2186.1PD3186.1PD4186.1
WD14.980PLM9000.00GSA1.0RSA1.0RM6399.2
TANKSIdDescriptionCapacityLCGVCGSp.WghtCondition
MeasurementLevel
SailingAfuel FOAFT.C2,41723.40-3.340.840000.290Bfuel FOWING.S1,30021.62-1.900.840000.100Cfuel FOWING.P1,30021.62-1.900.840000.100Dwater FW1.S
1,60019.01-1.971.000000.100Ewater FW1.P1,60019.01-1.971.000000.100
INVENTORYIdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGAAJCA equipment4011.820.99
BWater bag, load cell and associated items158.403.34
C9 of Fenders and Stanchions3613.820.99
Dmain on boom32823.364.39
INVENTORYFixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAfuel FOAFT.CFuel2,417023.40-3.34Bfuel FOWING.SFuel1,300021.62-1.90Cfuel FOWING.PFuel1,300021.62-1.90Dwater FW1.S
Water1,600019.01-1.97Ewater FW1.PWater1,600019.01-1.97Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGADeductibleJCA equipment4011.820.99BDeductibleWater bag, load cell and associated items158.403.34CDeductible9 of Fenders and Stanchions3613.820.99DDeductiblemain on boom32823.364.39Total deductible41920.903.74