ORC Certificate for TAWERA

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	54.4°	53.3°	52.3°	50.6°	49.7°	49.0°	48.2°	49.7°
Beat VMG	2.46	3.24	3.90	4.38	4.74	5.01	5.34	5.32
52°	4.00	5.26	6.33	7.09	7.63	8.02	8.50	8.55
60°	4.69	6.08	7.19	7.92	8.39	8.74	9.16	9.30
75°	5.43	6.88	7.96	8.74	9.26	9.57	9.89	10.12
90°	5.67	7.28	8.51	9.37	9.90	10.17	10.52	10.73
110°	5.45	7.01	8.24	9.19	9.89	10.43	11.15	11.48
120°	5.07	6.60	7.89	8.91	9.68	10.27	11.12	11.73
135°	4.37	5.78	7.03	8.11	8.97	9.65	10.63	11.33
150°	3.59	4.77	5.85	6.84	7.77	8.60	9.88	10.78
Run VMG	3.11	4.13	5.06	5.92	6.78	7.60	8.97	10.00
Gybe Angles	137.6°	138.6°	140.2°	143.3°	159.2°	162.1°	165.5°	168.7°

BOAT

ClassDesignerHollandBuilderAlloy YachtAge date06/1995Series date06/1995Offset fileSY222.offData fileSY222OPF light | strong0.0% | 0.0%Owner-DriverYes

HULL

Length Overall28.030 mMaximum Beam6.346 mDynamic Allowance2.850%Age Allowance0.943%

LightshipSailingDisplacement (kg)78,00483,282Draft (m)3.2743.331RM at 1° (kg·m)1773.71814.0VCGD (m)0.3460.386VCGM (m)0.4400.480DLR187.36SAup / Displ 20.05

SAIL AREAS (m²)

MeasuredRatedMainsail145.37145.37Mizzen62.8762.87Headsail Luffed163.14133.08Headsail FlyingSymmetricAsymmetricTotal upwind371.39Total downwind371.39

SAILS IN INVENTORY

Headsails Luffed1Headsails Flying0Spinnakers0

USE OF SAILS

Furled Sails0Mainsail FurlerIn boomMultiple HeadsailsNoTacking Unfurling StaysailNo

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.

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	1461.4	1111.4	923.3	822.1	759.9	719.1	673.8	677.1
52°	899.7	684.2	568.4	508.1	471.7	448.7	423.4	421.1
60°	767.1	591.7	501.0	454.4	429.0	412.0	393.1	387.0
75°	663.5	522.9	452.2	411.7	388.6	376.2	364.1	355.7
90°	634.6	494.4	423.2	384.4	363.7	354.0	342.1	335.4
110°	660.2	513.6	436.6	391.7	363.8	345.2	322.9	313.7
120°	710.0	545.1	456.5	404.3	371.8	350.4	323.7	306.8
135°	823.5	623.3	511.8	444.1	401.3	373.1	338.7	317.7
150°	1001.5	755.2	615.6	526.7	463.4	418.7	364.4	334.1
Run VMG	1156.5	872.0	710.8	608.2	531.1	474.0	401.4	360.0
Windward / Leeward	1308.9	991.7	817.0	715.2	645.5	596.6	537.6	518.6
All purpose	949.0	724.7	603.0	533.3	488.8	459.0	423.8	411.7

Scoring Options
Wind Strength	Light TWS < 8	Light-Moderate 8 ≤ TWS < 11	Moderate 11 ≤ TWS < 14	Moderate-Strong 14 ≤ TWS < 17	Strong TWS ≥ 17
Time on Distance	799.6	625.8	520.3	465.4	434.9
Time on Time	0.6253	0.7990	0.9611	1.0743	1.1497

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassHull constructionSolidCarbon RudderNoTrim tabNoMCA CertifiedYes

LOA28.030Max. Beam6.346Draft3.274Displacement78,004IMS L22.641Sink (kg/mm) 92.58

VCGD0.346VCGM0.440Righting Moment (kg·m) 1773.7SkegYes

PROPELLER (measured)

Propeller TypeFeathering 3 blades

InstallationShaft exposedTwin screwNoBow Thruster Diam.

PRD0.965PIPA0.0531

POWERED WINCHES

Halyard Power (KW)45.6Halyard Speed (m/min)Sheet Power (KW)32.4Sheet Speed (m/min)

SUPERSTRUCTURES

Area Front4.78Area Side9.57Dome frontal areas (m²)

RIG

Rig TypeKetchMast materialAluminumNon-circular riggingNoFiber riggingNo

P28.500IG31.710ISP31.800BAS2.380E8.920BDCPW4.600

MDT10.289MDL10.480MDT20.289MDL20.433TL5.700MW0.433GO0.485

J8.910SFJ0.920FSDSPLTPSWPL

PY19.625IY22.394EB12.250BASY2.445EY5.600BDY

MDT1Y0.186MDL1Y0.312MDT2Y0.186MDL2Y0.230TLY

BALLAST

TANKS

IdDescriptionCapacityLCGVCGSp.WghtLevel
SailingAwater 2 x1 6403,28010.08-0.201.00000.300Bfuel 2 x 17003,40015.100.000.84000.400Cfuel 2 x 10502,10018.37-0.350.84000.200

INVENTORY

IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGAAspare anchor202.500.20 X

INVENTORY

Fixed Ballast Total0

TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAwater 2 x1 640Water3,280010.08-0.20Bfuel 2 x 1700Fuel3,400015.100.00Cfuel 2 x 1050Fuel2,100018.37-0.35Total deductible0

OTHER ITEMSIdKindDescriptionWeightLCGVCGADeductiblespare anchor2.500.20Total deductible

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.251.673.065.437.32145.3728/01/2021MOD

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentB0.221.061.923.394.6062.8728/01/2021MOD

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFurlerAreaMeas.DateCommentE0.181.332.635.348.1110.5930.49NoNoYes & TA163.1409/02/2021HWJD0.201.222.454.896.768.9027.00NoInnerNo124.9928/01/2021

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioAreaMeas.DateComment

MIZZEN STAYSAIL

IdYSHFYSHWYSFLUseAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment

All the sails used during an event must be declared. This applies also to the staysails tacked between the forestay and the mast and to all the sails that are smaller than the largest of their kind.
The sails that can be used during the event are only those listed in the fourth page of the certificate, regardless of the fact that other available sails are smaller than the largest of their kind listed on the certificate.
While it is not mandatory to carry all the declared sails while racing, the number of sails on board shall remain constant for each individual race day. The race day begins when the yacht leaves for the race course from its dock or mooring.
The minimum amount of liquids to carry onboard while racing is shown on the third page of the certificate as a fraction of one, under the sailing level column. The lowest number printed on the certificate is 0.100 also when the declared amount is zero.
It is NOT permitted to unfurl the staysail to tack while furling the other headsail

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