ORC Certificate for VELSHEDA

BOAT

ClassJ-CLASSDesignerNICHOLSONBuilderCAMPER & NICHOLSONOffset fileJK7.offData fileJK7

HULL

Length Overall39.250 mMaximum Beam6.544 mDynamic Allowance2.710%

MeasurementSailingDisplacement (kg)175,996181,313Draft (m)4.8104.857RM at 1° (kg·m)6465.76477.1VCGD (m)-1.657-1.585VCGM (m)-1.371-1.298

SAIL AREAS (m²)

MeasuredRatedMainsail507.84519.61Headsail Luffed432.68432.68Symmetric938.47938.47Asymmetric937.68937.68Total upwind940.53Total downwind1,446.31

SAIL LIMITS

Mainsail1Headsails luffed6Headsails inner2Spinnakers8

The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and JCA Class Rules.

Time Allowances in secs/NM
Selected Courses
Wind Velocity	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt	24 kt
Beat VMG	684.7	566.2	510.0	475.9	452.5	435.4	412.1	397.8
52°	437.9	370.3	337.5	320.7	310.2	303.3	294.1	288.2
60°	407.4	348.6	320.7	307.3	299.0	293.4	285.9	280.8
75°	383.4	331.7	308.0	295.8	288.0	282.8	276.0	271.0
90°	383.6	331.4	305.7	292.0	283.3	277.0	268.1	262.1
110°	426.9	352.3	313.0	293.3	281.8	273.7	262.1	254.3
120°	447.5	364.9	319.9	296.2	282.9	273.7	259.9	247.1
135°	509.0	403.2	345.0	310.8	291.9	280.1	263.0	248.0
150°	613.3	477.3	403.0	353.7	319.9	298.9	275.5	259.5
Run VMG	708.2	551.1	465.4	408.5	369.2	341.2	302.5	278.2
Windward / Leeward	696.4	558.7	487.7	442.2	410.8	388.3	357.3	338.0
All purpose	523.2	427.9	379.0	349.9	331.0	317.8	300.2	288.6

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	459.7	1.3051
All purpose	362.7	1.6541

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	45.4°	43.0°	41.9°	41.0°	40.0°	39.1°	37.6°	36.6°
Beat VMG	5.26	6.36	7.06	7.56	7.96	8.27	8.74	9.05
52°	8.22	9.72	10.67	11.23	11.60	11.87	12.24	12.49
60°	8.84	10.33	11.23	11.72	12.04	12.27	12.59	12.82
75°	9.39	10.85	11.69	12.17	12.50	12.73	13.04	13.29
90°	9.38	10.86	11.78	12.33	12.71	13.00	13.43	13.73
110°	8.43	10.22	11.50	12.27	12.78	13.15	13.74	14.16
120°	8.04	9.86	11.26	12.15	12.73	13.15	13.85	14.57
135°	7.07	8.93	10.43	11.58	12.33	12.85	13.69	14.52
150°	5.87	7.54	8.93	10.18	11.25	12.04	13.07	13.87
Run VMG	5.08	6.53	7.74	8.81	9.75	10.55	11.90	12.94
Gybe Angles	140.2°	142.9°	144.4°	147.4°	151.1°	155.6°	170.9°	179.0°

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Measurement Trim)

LOA39.250Max. Beam6.544Draft4.810Displacement175,996Wetted area215.65IMS L28.179LSM027.081Sink (kg/mm) 129.66

SUPERSTRUCTURES

Area Front3.50Area Side5.71

PROPELLER (measured)

Propeller TypeFeathering 3 blades

InstallationIn ApertureTwin screwNo

PRD0.965PIPA0.0341

RIG

Forestay tensionAftInner stayNone FittedMast materialCarbonNon-circular riggingYesFiber riggingYesRunners/Checkstays3Spreaders3Jumper StrutsYes

P47.640IG41.655ISP42.105MDT10.305MDL10.580MDT20.250MDL20.440TL6.164MW0.560GO0.560

E18.190J15.374BAS2.205FSDSFJ1.400SPL15.214TPS15.670BD0.760MWT2727.00MCG18.454

FLOTATION AND STABILITY

Calculation methodBoom incliningFlotation Date06/06/2023

SFFP5.289FFM2.025FF2.035LCFcl21.453SG1.0260

SAFP36.270FAM1.322FA1.321LCFsh21.686HBI1.700

W11009.5W21009.5W31009.5W41009.5LCFD

PD1186.1PD2186.1PD3186.1PD4186.1

WD14.980PLM9000.00GSA1.0RSA1.0RM6399.2

BALLAST

TANKS

IdDescriptionCapacityLCGVCGSWLMCMLSCSAfuel FOAFT.C2,41723.40-3.430.84000.0%029.7%718Bfuel FOWING.S1,30021.68-2.000.84000.0%04.6%60Cfuel FOWING.P1,30021.68-2.000.84000.0%04.6%60Dwater FW1.S 1,60019.10-2.121.00000.0%07.8%125Ewater FW1.P1,60019.10-2.121.00000.0%07.8%125

INVENTORY

IdDescriptionWMWSLCGVCGGAIdDescriptionWMWSLCGVCGGAAJCA equipment22011.820.99 BWater bag, load cell and associated items158.403.34 C9 of Fenders and Stanchions3613.820.99 #2 x Liferaft Off5018.75-2.32 #1 x Liferaft Moved to Bow Locker256.050.69 Dmain on boom40023.364.39

Abbreviation Legend

SW: Specific WeightLM: Level MeasurementCM: Condition MeasurementLS: Level SailingCS: Condition SailingWM: Weight MeasurementWS: Weight SailingGA: Gyradius Adjustment

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-60.173.856.8511.4714.97507.8411/06/2024

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingAreaMeas.DateComment4_G1L-B0.102.494.979.9819.9943.28NoNo432.6810/03/2022G1L-B2_G1H_C0.102.464.889.8714.9319.9943.34NoNo430.5514/06/2024G1H-C_ONZ256491_G1H-B0.102.414.819.7519.9943.34NoNo429.4810/03/2022G1 H-B3_G1L-A0.172.254.529.5014.6719.7843.12NoNo417.3111/11/2019G1L-A5_J3-E0.152.124.057.5811.2715.6243.40YesNo334.6113/03/2018J3-ONZ231730076_J3-F0.182.114.047.4911.1215.3643.20YesNo328.8610/07/2023J3_F7_SSB0.051.902.905.848.7610.7434.00NoInner195.0323/08/2021SS

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateCommentS2-A42.8742.9042.8925.9627.46938.4706/07/2015S2-AS2-B43.6443.6443.6425.6326.15935.8615/03/2018S2-B

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioAreaMeas.DateComment2_A1.5B45.5242.8544.1925.2126.4995%937.6815/12/2021A1.5B6_A2-D45.5041.5043.5025.8025.9399%936.1910/06/2023A2-D7_A2.5-A45.6941.5143.6025.5526.1998%932.9707/06/2024A2.5-A8_A4-B44.8741.3643.1226.1025.37103%932.5112/12/2014A4-B5_A2-C45.1041.1043.1025.9025.50102%927.3716/06/2022A2-C1_A1C44.8041.2043.0023.7029.9079%893.6817/05/2017A1-C

MIZZEN STAYSAIL

IdYSHFYSHWYSFLUseAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment