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	46.2°	46.2°	45.0°	45.1°	43.8°	42.6°	42.5°	41.1°	41.9°
Beat VMG	3.82	4.90	5.68	6.94	7.97	8.88	9.71	10.57	10.78
52°	6.07	7.73	8.88	10.79	12.22	13.55	14.94	16.26	16.77
60°	6.62	8.41	9.61	11.51	13.00	14.53	16.29	18.00	18.86
75°	6.09	9.05	11.43	12.10	13.79	15.78	18.20	21.39	22.74
90°	6.48	9.41	11.72	12.41	13.70	15.84	18.60	24.11	26.29
110°	5.52	8.12	10.47	12.51	14.60	13.69	15.57	20.92	28.54
120°	5.16	7.64	10.00	12.13	14.17	16.51	19.20	24.34	22.80
135°	4.57	6.82	9.02	11.01	12.63	14.40	16.64	21.78	27.85
150°	3.80	5.65	7.48	9.27	10.79	12.13	13.65	17.84	22.96
Run VMG	3.29	4.90	6.48	8.03	9.34	10.50	11.82	15.45	19.89
Gybe Angles	140.3°	140.3°	139.7°	142.1°	144.9°	145.3°	140.3°	137.4°	135.8°

MHR:336.5CertNo:MH011

BOAT

ClassIrens 78DesignerIrens_NigelBuilderGreen MarineAge date06/2014Series date06/2014Offset fileMH011i.offData fileMH011

HULL

Length Overall25.549 mMaximum Beam9.766 mDraft4.334 mDisplacement32,139 kgDLR1.8567Dynamic Allowance0.100%Age Allowance0.390%RSA-0.407%

PROPELLER

InstallationShaft exposedTypeFolding 4 bladesDiameter0.500m

CREW

Weight1,150 kg(declared)Crew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail219.58247.12Headsail Luffed91.4091.40Headsail Flying212.53SymmetricAsymmetric506.36

COMMENTS

Interceptor Length 20mm Interceptor Vertical projection 15mm

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	942.1	734.8	633.7	519.1	451.9	405.3	370.8	340.6	333.9
52°	592.8	466.0	405.3	333.7	294.6	265.7	241.0	221.4	214.6
60°	543.6	428.1	374.7	312.9	276.9	247.8	221.0	200.0	190.9
75°	590.8	397.8	315.0	297.6	261.0	228.1	197.8	168.3	158.3
90°	555.9	382.5	307.1	290.2	262.8	227.3	193.6	149.3	136.9
110°	652.2	443.6	344.0	287.9	246.7	263.1	231.3	172.1	126.2
120°	697.5	471.5	359.9	296.7	254.1	218.0	187.5	147.9	157.9
135°	788.5	528.0	399.0	327.1	285.0	250.0	216.3	165.3	129.3
150°	946.9	636.7	481.0	388.4	333.6	296.9	263.8	201.8	156.8
Run VMG	1093.4	735.2	555.4	448.5	385.3	342.8	304.6	233.0	181.0
Windward / Leeward	1007.3	735.0	594.6	483.8	418.6	374.0	337.7	286.8	257.5
All purpose	761.8	548.4	442.3	369.6	321.8	289.5	257.7	215.4	194.5

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	441.5	1.3592
All purpose	336.5	1.7829

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassIrens 78Measurement20/05/2021HIN1

LOA25.549Max. Beam9.766Draft4.334Displacement32,139Dspl lightship29,161Wetted area101.00

Superstructure frontal area22.66Superstructure lateral area61.25Default crew weight911Declared crew weight1,150

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 furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Jumper strutsNoRotating 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.Wght Condition
Measurement Level
Sailing 01FUEL PORT1,00515.00-0.600.84003420.00002FUEL STARBOARD1,00515.00-0.600.84005330.00003WATER PORT67513.00-0.701.0000410.10004WATER STARBOARD67513.00-0.701.00001560.10005GREY PORT34513.50-0.701.01001110.10006GREY STARBOARD34513.50-0.701.0100560.10007BLACK PORT24514.00-0.701.0200540.10008BLACK STARBOARD24514.00-0.701.0200490.10009FUEL 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 SailingLCGVCGGA01AncOff:MainOn:Fortress78305.501.80 02Chain98339.901.50 03Mainsail26526515.003.50 04SPINN. STAYSAIL-A25259.002.00 05A3-D015711.002.00 07Off:CrSlnt21,On:J1-C859110.002.00 08-SCR21,+SCR-C14012110.002.00 09A2 87kg08716.001.70 10GS-B03110.001.70 11J0-C09310.002.00 12CREW GEAR016518.001.00 14LiIon BATTERY585812.000.80 15MOORING LINE05514.001.50 16EngineSpares&tools03618.001.00 17SpareOils&Coolant010016.001.70 17Dishwasher51016.702.00 18Aircon+ liquids+cabling off225015.001.00 19J2C03310.001.70 204 mattresses 60kg off0014.001.70 21Radar 5kg off5010.0010.00 22Anchor Fortress 15kg off15020.501.00 23Helm station dodgers 6kg off6018.502.00

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-Da3.093.885.207.269.04219.5808/07/2026OSP6309-001 NS Loft 21 203kg MN-D

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentSCR-Cb0.111.773.527.0910.6814.4129.77NoYes0212.5315/07/2026J0-Db0.121.502.865.858.9012.1629.75No30177.1015/07/2026OSP 7068-002J1-Cb0.231.182.063.635.056.2126.45NoNo091.4008/07/2026OSP6634-001SS-Ab0.080.981.943.935.937.9616.91NoYes366.8615/07/2026OSP3865-003GS-Bb0.090.801.573.024.335.6017.17NoYes350.2015/07/2026J2-Cb0.140.851.502.803.995.1917.26NoInner047.0823/07/2026OSP6912-001 33kg

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentA2-Eb35.4332.5033.9717.8917.89100%0506.3615/07/2026OSP 7068-011A1-Ab34.8229.9232.3716.1318.2688%0446.6015/07/2026OSP 6634-004A3-Db33.0629.3231.1915.0818.1783%0408.0215/07/2026

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment