ORC Certificate for Acapella

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	40.6°	40.6°	36.8°	34.9°	36.8°	39.0°	37.5°	52.0°	52.0°
Beat VMG	3.63	4.79	5.47	5.61	5.78	6.47	6.65	7.21	7.15
52°	5.51	7.01	7.70	7.86	8.36	9.74	10.03	11.71	11.61
60°	5.71	7.27	8.01	8.23	8.85	10.74	11.20	13.65	13.69
75°	6.06	7.51	8.33	9.43	9.76	12.90	13.86	17.61	18.29
90°	6.19	7.54	8.30	9.84	10.52	13.52	16.73	21.96	23.61
110°	5.78	7.20	7.87	8.56	9.77	12.53	12.91	19.46	24.43
120°	5.40	6.84	7.55	8.12	8.81	9.87	12.48	15.40	20.73
135°	3.46	5.20	6.74	7.43	7.96	8.53	9.29	11.82	14.52
150°	2.88	4.25	5.51	6.48	7.31	7.89	8.47	10.07	12.45
Run VMG	2.48	3.68	4.77	5.61	6.60	7.41	8.00	9.24	11.02
Gybe Angles	124.0°	124.0°	135.3°	146.0°	163.1°	177.5°	178.1°	176.1°	171.2°

MHR:458.0CertNo:MC051

BOAT

ClassAcapellaDesignerWalter GreeneBuilderWalter GreeneAge date02/1980Series date02/1980Offset fileAcapella 12050.offData fileMC051_Acapella

HULL

Length Overall12.050 mMaximum Beam8.540 mDraft2.505 mDisplacement4,026 kgDLR2.5658Dynamic Allowance0.650%Age Allowance0.487%RSA0.000%

PROPELLER

InstallationShaft non exposedTypeFolding 2 bladesDiameter0.431m

CREW

Weight399 kg(default)Crew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail52.4559.30Headsail Luffed31.1731.17Headsail Flying58.73SymmetricAsymmetric

COMMENTS

Proludic

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	991.3	751.5	658.2	641.8	622.6	556.7	541.7	499.3	503.8
52°	653.4	513.8	467.7	458.1	430.6	369.7	359.0	307.4	310.2
60°	630.7	495.4	449.4	437.3	406.9	335.2	321.4	263.7	262.9
75°	594.4	479.4	432.2	382.0	368.8	279.1	259.7	204.4	196.8
90°	581.9	477.2	433.7	366.0	342.3	266.3	215.2	164.0	152.5
110°	623.0	499.9	457.6	420.5	368.5	287.3	278.9	184.9	147.4
120°	666.1	526.6	476.7	443.1	408.8	364.6	288.4	233.7	173.6
135°	1041.0	692.0	534.2	484.6	452.4	421.9	387.7	304.5	247.9
150°	1250.8	847.6	653.6	555.5	492.3	456.3	424.9	357.5	289.1
Run VMG	1449.8	978.7	754.7	641.4	545.6	485.9	450.3	389.5	326.8
Windward / Leeward	1213.7	865.1	706.4	641.6	584.1	521.3	496.0	444.4	415.3
All purpose	864.2	644.9	547.0	496.9	461.2	400.8	373.5	315.8	289.6

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	593.5	1.0109
All purpose	458.0	1.3100

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassAcapellaMeasurementHIN

LOA12.050Max. Beam8.540Draft2.505Displacement4,026Dspl lightship3,627Wetted area25.24

Superstructure frontal area4.44Superstructure lateral area14.95Default crew weight399Declared crew weightN/A

PROPELLER

Propeller TypeFolding 2 blades

InstallationShaft non exposedTwin screwNoHydro generatorNo

PRD0.431PBW0.100PIPA0.0007

PSD0.035PHD0.050PHL0.075

PSA15.0°ESL0.100

RIG

Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders0Jumper strutsNoRotating mastYesMast rakeMast cant angle6°

P15.700IG14.040ISP14.700MDT10.160MDL10.330MDT20.160MDL20.330TL0.000MW0.330GO0.330

E4.500J3.900JZ1.110BAS0.980FSD0.000SFJ0.580SPL0.000WPLTPS5.980BD

FLOTATION

Flotation Date26/01/2026

BALLAST

TANKS

INVENTORY

IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1Volvo D1-20 2Anchor1515 3Mainsail

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateComment3054-M1.252.152.703.574.1352.45

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment3054-C0.050.921.843.675.527.7015.72No3058.73M2000 Height 13.65,Bord9.03, Midwidth 6.353054-J0.530.961.953.114.5614.80NoNo031.17

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateComment

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment