MultihullClub Certificate2025
Yue Liang Chuan 1 Hao
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
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 Angles50.7°50.7°49.1°48.8°47.6°46.6°46.3°45.8°47.2°
Beat VMG1.702.403.144.174.705.075.055.475.73
52°3.064.425.656.697.457.957.908.549.05
60°3.464.956.267.328.028.528.459.209.84
75°3.875.506.907.928.599.179.0910.4612.75
90°3.945.627.078.108.839.4910.2812.9317.11
110°3.575.136.537.648.399.029.6611.4115.08
120°3.204.655.997.147.998.639.2110.5912.91
135°2.553.815.046.147.127.908.519.6211.05
150°2.133.234.345.366.327.197.939.0610.24
Run VMG1.892.873.864.815.716.567.348.569.62
Gybe Angles167.3°167.3°167.6°169.4°170.3°171.2°172.7°175.4°175.0°
MHR:576.8CertNo:MC128
BOAT
ClassLagoon 450DesignerVPLPBuilderC N BordeauxAge date01/2016Series date01/2015Offset fileLagoon_450.offData fileMC128-Lagoon450-Yue Liang Chuan 1 Hao
HULL
Length Overall13.960 mMaximum Beam7.870 mDraft1.302 mDisplacement16,683 kgDLR6.0190Dynamic Allowance0.000%Age Allowance0.325%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.450m
CREW
Weight469 kg(default)Non Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail78.9188.60Headsail Luffed48.9048.90Headsail Flying100.41SymmetricAsymmetric
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.
MultihullClub Certificate2025
Yue Liang Chuan 1 Hao
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG2123.91499.31144.8862.5766.0710.7712.8657.8628.4
52°1176.2814.8637.1538.2483.0452.7455.5421.4397.8
60°1039.8727.9575.3491.5448.6422.4426.2391.3365.9
75°929.7654.4522.1454.8418.9392.6396.0344.3282.3
90°913.3640.0509.5444.7407.8379.2350.3278.5210.4
110°1008.3701.1551.4471.4428.9399.1372.7315.5238.8
120°1126.5774.2600.8504.5450.4417.2390.7339.8278.8
135°1412.1944.0713.8586.2505.7455.5423.1374.2325.9
150°1692.11114.4830.2671.6570.1500.5454.1397.2351.5
Run VMG1903.21252.8931.5748.4630.8549.2490.6420.4374.3
Selected Courses
Windward / Leeward2010.81376.11038.1805.4698.4629.9601.7539.1501.3
All purpose1441.8991.8759.7611.1539.6493.8473.6420.2375.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward756.30.7933
All purpose576.81.0403
 
MultihullClub Certificate2025
Yue Liang Chuan 1 Hao
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLagoon 450MeasurementHINFR-CNB4500
LOA13.960Max. Beam7.870Draft1.302Displacement16,683Dspl lightship16,214Wetted area49.76
Superstructure frontal area19.67Superstructure lateral area31.02Default crew weight469Declared crew weightN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.450PBW0.120PIPA0.0250
EDL2.000ST10.050ST20.180
ST30.180ST40.112ST50.300
RIG
Single headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders0Rotating mastNoMast rakeMast cant angle
P16.500IG15.840ISP16.200MDT10.180MDL10.290MDT20.180MDL20.290TL0.000MW0.300GO0.300
E6.500J4.570JZ1.900BAS1.900FSDSFJ0.440SPLWPLTPS5.300BD
ForetrianglesIdITPTPZComment015.8404.5701.900main forestay016.2005.3001.900ISP/TPS
FLOTATION
Flotation Date20/01/2020
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtCondition
Measurement
Level
Sailing
24001.000040014000.8400340
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Water4004001Fuel400340Total deductible686
Total deductible
MultihullClub Certificate2025
Yue Liang Chuan 1 Hao
ORC Multihull
Rating Office
www.orc.org/multihull
mh@orc.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain2.002.653.785.216.0178.91sistership
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF0.051.372.755.507.8710.2418.97NoYes0100.41sistership measured as a spinnakerGenoa0.661.302.694.355.9017.20NoNo048.90sistership