ORC Certificate for Gordano Goose

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°	43.4°	40.6°	40.0°	41.6°	46.6°	48.2°	50.7°
Beat VMG	2.70	3.87	4.85	5.47	5.87	6.19	6.47	6.54	6.45
52°	4.46	6.18	7.45	8.14	8.88	9.71	10.40	10.57	10.47
60°	5.08	6.83	8.00	8.65	9.73	11.04	12.00	12.34	12.40
75°	5.52	7.47	8.74	9.43	11.33	13.51	14.94	15.82	16.40
90°	5.97	7.66	9.13	11.65	12.36	15.37	17.66	19.59	21.13
110°	5.50	7.30	8.63	10.43	13.28	15.01	16.68	20.09	22.78
120°	5.10	6.86	8.22	9.80	12.06	14.56	16.87	17.28	21.57
135°	4.21	6.04	7.60	8.81	10.37	12.45	14.71	19.16	22.72
150°	3.41	5.04	6.55	7.70	8.71	10.23	12.07	15.80	19.38
Run VMG	2.95	4.36	5.68	6.67	7.54	8.86	10.45	13.68	16.78
Gybe Angles	141.3°	141.3°	144.9°	149.4°	147.1°	138.8°	138.5°	139.1°	140.9°

MHR:418.0CertNo:MC181

BOAT

ClassIrens 40DesignerIrens NigelBuilderIrensAge date04/1981Series date03/1981Offset fileGordano.offData fileMC181-Irens -Gordano Goose

HULL

Length Overall12.180 mMaximum Beam8.800 mDraft2.000 mDisplacement2,704 kgDLR1.5657Dynamic Allowance0.000%Age Allowance0.487%RSA-0.203%

PROPELLER

InstallationNo PropellerTypeN/ADiameterN/A

CREW

Weight403 kgCrew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail42.5847.65Headsail Luffed24.9324.93Headsail Flying47.90SymmetricAsymmetric88.95

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	1332.8	931.3	742.4	658.0	612.9	581.9	556.3	550.1	557.8
52°	806.6	583.0	483.0	442.3	405.3	370.9	346.1	340.5	343.8
60°	709.1	527.1	449.8	416.1	369.9	326.1	299.9	291.8	290.4
75°	652.1	482.2	411.8	381.9	317.6	266.4	241.0	227.6	219.5
90°	602.8	469.7	394.1	308.9	291.2	234.3	203.9	183.7	170.4
110°	654.4	493.1	417.2	345.3	271.2	239.8	215.8	179.2	158.1
120°	705.4	524.5	437.9	367.2	298.4	247.2	213.4	208.3	166.9
135°	854.7	596.2	473.4	408.6	347.0	289.2	244.8	187.8	158.4
150°	1057.2	714.5	549.3	467.6	413.4	351.9	298.2	227.9	185.8
Run VMG	1220.7	825.0	634.3	540.0	477.3	406.3	344.4	263.1	214.5
Windward / Leeward	1276.3	878.2	688.3	599.0	545.1	494.1	450.3	406.6	386.2
All purpose	918.6	652.9	526.0	457.0	406.3	360.0	325.9	297.2	279.7

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	560.3	1.0709
All purpose	418.0	1.4355

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassIrens 40MeasurementHIN1

LOA12.180Max. Beam8.800Draft2.000Displacement2,704Dspl lightship2,301Wetted area14.20

Superstructure frontal area6.40Superstructure lateral area11.06Default crew weight403Declared crew weightN/A

PROPELLER

Propeller TypeNo Propeller

Hydro generatorNo

RIG

Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays1Checkstays1Spreaders2Jumper strutsNoRotating mastNoMast rakeMast cant angle0°

P13.090IG13.280ISP14.300MDT10.130MDL10.210MDT20.130MDL20.150TLMWGO

E4.110J3.450JZ0.840BAS0.800FSDSFJ0.940SPLWPLTPS5.750BD

FLOTATION

Flotation Date29/11/2025

BALLAST

TANKS

INVENTORY

IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1Honda BF104040 2Battery 110Ah 3Anchor Brittany1010

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain20261.292.182.903.493.8842.5821/04/2026

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF260.051.032.134.315.406.2913.00YesYes047.90Jib260.050.440.932.294.1511.86NoNo024.9321/04/2026

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentASpin2615.1412.0413.597.688.5590%088.9521/04/2026

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment