ORC Certificate for Allegra

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 Angles	44.4°	44.4°	41.9°	40.9°	40.3°	40.3°	41.6°	41.1°	41.9°
Beat VMG	3.96	5.48	6.76	7.82	8.12	8.95	9.77	10.53	10.94
52°	6.28	8.46	10.21	11.79	12.13	13.51	14.96	15.96	16.72
60°	6.76	9.02	10.78	12.49	12.80	14.40	16.13	17.34	18.27
75°	7.32	9.46	11.23	13.67	13.41	15.27	17.40	19.77	21.21
90°	7.29	9.69	11.45	13.31	15.63	18.55	21.11	22.08	24.15
110°	6.48	8.75	10.53	12.40	14.47	16.91	19.61	24.22	26.83
120°	5.94	8.23	10.12	11.87	13.80	16.03	18.54	23.31	26.28
135°	5.09	7.28	9.19	10.78	12.38	14.14	16.18	21.01	26.28
150°	4.17	6.05	7.77	9.21	10.52	11.87	13.40	17.21	21.53
Run VMG	3.61	5.24	6.73	7.97	9.11	10.28	11.60	14.91	18.64
Gybe Angles	139.9°	139.9°	142.9°	145.3°	145.3°	143.9°	140.8°	137.7°	137.4°

MHR:325.7CertNo:MH011

BOAT

ClassIrens 78DesignerIrens_NigelBuilderGreen MarineAge date06/2014Series date06/2014Offset fileMH011.offData fileMH011

HULL

Length Overall25.530 mMaximum Beam9.766 mDraft4.331 mDisplacement31,947 kgDLR1.8453Dynamic Allowance0.250%Age Allowance0.357%

PROPELLER

InstallationShaft exposedTypeFolding 4 bladesDiameter0.500m

CREW

Weight965 kg(declared)Crew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail216.46243.77Headsail Luffed92.0192.01Headsail Flying215.89SymmetricAsymmetric495.34

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.

Time Allowances in secs/NM
Selected Courses
Wind Velocity	4 kt	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt	24 kt
Beat VMG	909.3	657.2	532.5	460.2	443.1	402.3	368.4	342.0	329.1
52°	573.3	425.4	352.7	305.4	296.9	266.5	240.6	225.6	215.3
60°	532.3	399.3	333.9	288.2	281.2	250.0	223.2	207.7	197.0
75°	492.1	380.5	320.7	263.3	268.4	235.7	206.9	182.1	169.8
90°	494.1	371.6	314.5	270.4	230.4	194.1	170.5	163.0	149.1
110°	555.6	411.2	341.8	290.4	248.7	212.9	183.6	148.6	134.2
120°	606.0	437.3	355.7	303.4	260.9	224.5	194.2	154.4	137.0
135°	707.1	494.8	391.9	334.0	290.9	254.6	222.4	171.4	137.0
150°	864.3	595.0	463.5	391.0	342.2	303.3	268.7	209.1	167.2
Run VMG	998.0	687.1	535.2	451.4	395.1	350.2	310.3	241.5	193.1
Windward / Leeward	952.4	672.1	533.9	455.8	419.1	376.2	339.3	291.7	261.1
All purpose	704.7	507.1	409.8	350.5	320.3	284.1	253.5	219.7	198.4

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	427.7	1.4030
All purpose	325.7	1.8422

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassIrens 78Measurement20/05/2021HIN1

LOA25.530Max. Beam9.766Draft4.331Displacement31,947Dspl lightship29,187Wetted area96.48

Superstructure frontal area22.53Superstructure lateral area58.51Default crew weight911Declared crew weight965

PROPELLER

Propeller TypeFolding 4 blades

InstallationShaft exposedTwin screwYesHydro generatorNo

PRD0.500PBW0.100PIPA0.0135

PSD0.030PHD0.080PHL0.120

PSA16.0°ESL0.900

ST10.050ST20.130ST30.180

ST40.080ST50.330

RIG

Single headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastYesMast rakeMast cant angle0°

P31.000IG27.700ISP30.920MDT10.350MDL10.664MDT20.350MDL20.664TL0.000MW0.664GO0.664

E10.840J7.200JZ2.000BAS2.540FSDSFJ3.200SPLWPLTPS11.660BD

ForetrianglesIdITPTPZComment027.7007.2002.000main forestay030.92011.6602.000ISP/TPS228.69010.3052.500316.6006.5002.500Staysails130.92011.6602.500

FLOTATION

Flotation Date20/05/2021SG1.0250

FFM1.135FAM1.176

BALLAST

TANKS

IdDescriptionCapacityLCGVCGSp.WghtCondition
MeasurementLevel
Sailing1FUEL PORT1,00515.00-0.600.84003420.0002FUEL STARBOARD1,00515.00-0.600.84005330.0003WATER PORT67513.00-0.701.0000410.1004WATER STARBOARD67513.00-0.701.00001560.1005GREY PORT34513.50-0.701.01001110.1006GREY STARBOARD34513.50-0.701.0100560.1007BLACK PORT24514.00-0.701.0200540.1008BLACK STARBOARD24514.00-0.701.0200490.1009FUEL DAY T GEN7021.00-0.100.840001.00010FUEL DAY T PORT8021.00-0.100.840001.00011FUEL DAY T STARBOARD8021.00-0.100.840001.000

INVENTORY

IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1AncOff:MainOn:Fortress78305.501.80 2Chain98339.901.50 3Off:MAIN21 On:Main C26526515.003.50 4SPINN. STAYSAIL-A25259.002.00 5A3-D015711.002.00 7Off:CrSlnt21, On: J1-C859110.002.00 8Off:SCR21, On: SCR-C14012110.002.00 10GS-B03110.001.70 11J0-C09310.002.00 9A2-D 87kg08716.001.70 17SpareOils&Coolant010016.001.70 16EngineSpares&tools03618.001.00 12CREW GEAR016518.001.00 13FOOD & DRINKS0017.000.50 14LiIon BATTERY585812.000.80 16Dishwasher51016.702.00 18-225kg 13/05/20252250 15MOORING LINE05514.001.50

INVENTORY

Fixed Ballast Total0

TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FUEL PORTFuel1,00534215.00-0.602FUEL STARBOARDFuel1,00553315.00-0.603WATER PORTWater6754113.00-0.704WATER STARBOARDWater67515613.00-0.705GREY PORT1.010034511113.50-0.706GREY STARBOARD1.01003455613.50-0.707BLACK PORT1.02002455414.00-0.708BLACK STARBOARD1.02002454914.00-0.709FUEL DAY T GENFuel70021.00-0.1010FUEL DAY T PORTFuel80021.00-0.1011FUEL DAY T STARBOARDFuel80021.00-0.10Total deductible120614.38-0.64

OTHER ITEMSIdKindDescriptionWeightLCGVCG1DeductibleAncOff:MainOn:Fortress785.501.802DeductibleChain989.901.503DeductibleOff:MAIN21 On:Main C26515.003.504DeductibleSPINN. STAYSAIL-A259.002.005DeductibleA3-D011.002.007DeductibleOff:CrSlnt21, On: J1-C8510.002.008DeductibleOff:SCR21, On: SCR-C14010.002.0010DeductibleGS-B010.001.7011DeductibleJ0-C010.002.009DeductibleA2-D 87kg016.001.7017DeductibleSpareOils&Coolant016.001.7016DeductibleEngineSpares&tools018.001.0012DeductibleCREW GEAR018.001.0013DeductibleFOOD & DRINKS017.000.5014DeductibleLiIon BATTERY5812.000.8016DeductibleDishwasher5116.702.0018Deductible-225kg 13/05/202522515DeductibleMOORING LINE014.001.50Total deductible10259.171.82

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-Cv22.833.715.057.159.01216.4620/09/2023

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentSCR-C0.111.853.577.1510.7714.5229.95NoYes0215.8910/04/2025OSP6634-003J0-C0.101.533.005.949.0512.3329.89NoYes0181.1408/05/2025OSP 6634-002J1-C0.201.202.073.655.086.1426.61NoNo092.0111/04/2025OSP 6634-001 date 2023?SS-A0.080.981.963.955.988.0016.95NoYes367.4621/08/2024GS-B0.090.831.603.044.385.6317.20YesYes350.7921/08/2024J2-B0.160.811.462.733.955.1517.27NoInner346.39Remeasured 2025 J2- upwind staysail (HWJ) approx 50% area of J1 (Solent).inside the forestay, sheeted to the selftacking jib track

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentA2-D34.4032.5033.4517.6518.2597%0495.3428/08/2024A2 87kgA1-A35.2330.2332.7316.1818.4388%0453.5821/04/2025A1-AA3-D33.5529.7531.6515.1518.5582%0417.5228/02/2024A3

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment