ORC Certificate for Extreme

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	45.9°	45.9°	44.1°	42.5°	42.1°	43.2°	46.4°	50.7°	52.5°
Beat VMG	2.57	3.54	4.27	4.69	4.93	5.07	5.16	5.19	5.00
52°	4.14	5.56	6.52	7.07	7.49	7.89	8.25	8.41	8.13
60°	4.41	5.99	7.18	7.91	8.11	8.83	9.58	10.06	9.84
75°	5.38	6.78	7.70	9.03	9.29	11.00	12.75	14.07	14.42
90°	5.51	6.89	7.93	9.82	10.27	13.00	15.55	18.12	19.44
110°	4.97	6.46	7.49	8.85	10.98	13.70	15.52	17.81	20.87
120°	4.52	6.12	7.33	8.51	10.41	12.83	15.16	18.91	20.56
135°	3.92	5.52	6.81	7.76	8.93	10.67	12.87	17.20	20.83
150°	3.19	4.63	5.93	6.91	7.72	8.76	10.51	14.18	17.58
Run VMG	2.76	4.01	5.13	5.99	6.68	7.59	9.10	12.28	15.23
Gybe Angles	142.4°	142.4°	146.5°	151.0°	149.4°	140.3°	135.9°	138.6°	142.0°

MHR:485.5CertNo:MC188

BOAT

ClassDragonfly920ExtremDesignerQuorningBuilderQuorningAge date01/2008Series date01/2003Offset fileD920Extreme.offData fileMC188-D920#155E-Extreme

HULL

Length Overall9.200 mMaximum Beam7.800 mDraft1.514 mDisplacement2,466 kgDLR3.2488Dynamic Allowance0.120%Age Allowance0.487%RSA0.000%

PROPELLER

InstallationNo PropellerTypeN/ADiameterN/A

CREW

Weight296 kg(default)Crew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail42.5046.15Headsail Luffed26.5226.52Headsail Flying53.27SymmetricAsymmetric76.55

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	1398.9	1017.5	844.0	767.0	730.1	710.3	698.4	694.0	719.3
52°	869.1	647.8	551.9	509.4	480.5	456.1	436.2	427.9	442.8
60°	817.1	600.9	501.6	455.3	443.9	407.5	375.7	357.9	366.0
75°	668.9	531.2	467.4	398.8	387.4	327.3	282.4	255.8	249.6
90°	653.7	522.6	454.1	366.4	350.4	277.0	231.5	198.6	185.2
110°	723.8	556.9	480.9	406.6	327.9	262.8	232.0	202.1	172.5
120°	797.0	587.9	490.8	423.1	345.7	280.7	237.4	190.4	175.1
135°	917.2	652.6	528.5	463.9	403.2	337.2	279.8	209.4	172.8
150°	1128.6	777.0	607.3	520.6	466.6	410.9	342.5	253.9	204.7
Run VMG	1302.7	897.3	701.2	600.8	538.7	474.4	395.5	293.2	236.4
Windward / Leeward	1349.2	957.4	772.6	683.9	634.4	592.4	546.9	493.6	477.9
All purpose	980.8	718.1	593.7	520.9	478.3	429.8	390.2	350.7	338.1

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	650.1	0.9230
All purpose	485.5	1.2359

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassDragonfly920ExtremMeasurementHIN

LOA9.200Max. Beam7.800Draft1.514Displacement2,466Dspl lightship2,170Wetted area14.39

Superstructure frontal area3.66Superstructure lateral area10.87Default crew weight296Declared crew weightN/A

PROPELLER

Propeller TypeNo Propeller

Hydro generatorNo

RIG

Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Jumper strutsNoRotating mastNoMast rakeMast cant angle0°

P13.500IG12.800ISP12.860MDT10.150MDL10.150MDT20.150MDL20.150TL0.000MW0.150GO0.150

E4.000J3.340JZ1.100BAS0.768FSD0.000SFJ0.600SPL0.000WPLTPS5.600BD

FLOTATION

Flotation Date20/01/2020

BALLAST

TANKS

INVENTORY

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain1.351.782.543.503.9642.5025/05/2012Wandering Glider sail design

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF0.051.052.104.015.807.4213.70NoYes053.2711/06/2017Target Area 53.262003-J4.0712.80NoNo026.5203/06/2008

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentASpin14.2012.0013.107.096.70106%076.5503/06/2008

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment